.gitignore

@@ -1,9 +0,0 @@
-*.la
-*.lo
-*.loT
-*.o
-.deps
-.dirstamp
-.libs
-Makefile
-Makefile.in

.gitlab-ci.yml

@@ -0,0 +1,52 @@
+image: fedora:latest
+
+before_script:
+  - >
+    dnf install git libtool make libasan gawk
+    python3 python3-pyparsing glib-networking
+    meson ninja-build gdk-pixbuf2-devel
+    glib2-devel pixman-devel openssl-devel libjpeg-devel
+    libcacard-devel cyrus-sasl-devel lz4-devel opus-devel
+    gstreamer1-devel gstreamer1-plugins-base-devel
+    -y
+  - git clone ${CI_REPOSITORY_URL/spice-common.git/spice-protocol.git}
+  - meson --buildtype=release spice-protocol build-spice-protocol --prefix=/usr --werror
+  - ninja -C build-spice-protocol install
+
+makecheck:
+  script:
+  - >
+    CFLAGS='-O2 -pipe -g -fsanitize=address -fno-omit-frame-pointer -Wframe-larger-than=40920'
+    LDFLAGS='-fsanitize=address -lasan'
+    ./autogen.sh --enable-extra-checks
+  - make
+  - make check || (cat tests/test-suite.log && exit 1)
+
+meson-makecheck:
+  script:
+  - >
+    CFLAGS='-O2 -pipe -g -fsanitize=address -fno-omit-frame-pointer -Wframe-larger-than=40920'
+    LDFLAGS='-fsanitize=address -lasan'
+    meson build -Dextra-checks=true || (cat build/meson-logs/meson-log.txt && exit 1)
+  - ninja -C build
+  - (cd build && meson test) || (cat build/meson-logs/testlog.txt && exit 1)
+
+make-win:
+  script:
+  - >
+    dnf install mingw64-gcc mingw64-pkg-config mingw64-pixman mingw64-openssl
+    mingw64-opus mingw64-glib2 mingw64-glib-networking mingw64-gdk-pixbuf
+    'wine-core(x86-64)'
+    -y
+  - mkdir spice-protocol/build
+  - (cd spice-protocol/build && mingw64-meson --werror && ninja install)
+  - NOCONFIGURE=yes ./autogen.sh
+  - export WINEPATH='Z:\usr\x86_64-w64-mingw32\sys-root\mingw\bin'
+  - >
+    PYTHON=python3
+    CFLAGS='-O2 -pipe -g -fsanitize=address -fno-omit-frame-pointer -Wframe-larger-than=40920'
+    LDFLAGS='-fsanitize=address -lasan'
+    mingw64-configure --enable-extra-checks
+  - make
+  - export LANG=en_US.UTF-8
+  - make LOG_COMPILER=wine check || (cat tests/test-suite.log && exit 1)

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "common/recorder"]
+	path = common/recorder
+	url = https://github.com/c3d/recorder.git

.gitpublish

@@ -0,0 +1,3 @@
+[gitpublishprofile "default"]
+to = spice-devel@lists.freedesktop.org
+prefix = PATCH spice-common

COPYING

@@ -0,0 +1,502 @@
+                  GNU LESSER GENERAL PUBLIC LICENSE
+                       Version 2.1, February 1999
+
+ Copyright (C) 1991, 1999 Free Software Foundation, Inc.
+ 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+[This is the first released version of the Lesser GPL.  It also counts
+ as the successor of the GNU Library Public License, version 2, hence
+ the version number 2.1.]
+
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+That's all there is to it!

Makefile.am

@@ -1,76 +1,33 @@
-if OS_WIN32
-SUBDIRS = win
-endif
-
 NULL =
+ACLOCAL_AMFLAGS = -I m4
 
-noinst_LTLIBRARIES = libspice-common.la
+SUBDIRS = python_modules common docs
-libspice_common_la_SOURCES =		\
-	bitops.h			\
-	canvas_utils.c			\
-	canvas_utils.h			\
-	draw.h				\
-	lines.c				\
-	lines.h				\
-	lz.c				\
-	lz.h				\
-	lz_common.h			\
-	lz_config.h			\
-	marshaller.c			\
-	marshaller.h			\
-	mem.c				\
-	mem.h				\
-	messages.h			\
-	mutex.h				\
-	pixman_utils.c			\
-	pixman_utils.h			\
-	quic.c				\
-	quic.h				\
-	quic_config.h			\
-	rect.h				\
-	region.c			\
-	region.h			\
-	ring.h				\
-	rop3.c				\
-	rop3.h				\
-	spice_common.h			\
-	ssl_verify.c			\
-	ssl_verify.h			\
-	backtrace.c			\
-	backtrace.h			\
-	$(NULL)
 
-if SUPPORT_GL
+if ENABLE_TESTS
-libspice_common_la_SOURCES +=		\
+SUBDIRS += tests
-	gl_utils.h			\
-	glc.h				\
-	glc.c				\
-	ogl_ctx.h			\
-	ogl_ctx.c			\
-	$(NULL)
 endif
 
-INCLUDES = \
-	$(GL_CFLAGS)			\
-	$(PIXMAN_CFLAGS)		\
-	$(PROTOCOL_CFLAGS)		\
-	$(VISIBILITY_HIDDEN_CFLAGS)	\
-	$(WARN_CFLAGS)			\
-	-std=gnu99			\
-	$(NULL)
-
 EXTRA_DIST =				\
-	canvas_base.c			\
+	meson.build			\
-	canvas_base.h			\
+	meson_options.txt		\
-	gdi_canvas.c			\
+	spice_codegen.py		\
-	gdi_canvas.h			\
+	spice.proto			\
-	gl_canvas.c			\
-	gl_canvas.h			\
-	sw_canvas.c			\
-	sw_canvas.h			\
-	lz_compress_tmpl.c		\
-	lz_decompress_tmpl.c		\
-	quic_family_tmpl.c		\
-	quic_rgb_tmpl.c			\
-	quic_tmpl.c			\
 	$(NULL)
+
+DISTCLEANFILES = *.pyc
+
+MAINTAINERCLEANFILES =						\
+	$(srcdir)/INSTALL					\
+	$(srcdir)/aclocal.m4					\
+	$(srcdir)/autoscan.log					\
+	$(srcdir)/build-aux					\
+	$(srcdir)/config.h.in					\
+	$(srcdir)/m4/libtool.m4					\
+	$(srcdir)/m4/ltoptions.m4				\
+	$(srcdir)/m4/ltsugar.m4					\
+	$(srcdir)/m4/ltversion.m4				\
+	$(srcdir)/m4/lt~obsolete.m4				\
+	`find "$(srcdir)" -type f -name Makefile.in -print`	\
+	$(NULL)
+
+-include $(top_srcdir)/git.mk

autogen.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+set -e # exit on errors
+
+srcdir=`dirname $0`
+test -z "$srcdir" && srcdir=.
+
+olddir=`pwd`
+cd "$srcdir"
+
+mkdir -p m4
+autoreconf --verbose --force --install
+
+cd "$olddir"
+if [ -z "$NOCONFIGURE" ]; then
+    "$srcdir"/configure --enable-maintainer-mode --enable-python-checks ${1+"$@"}
+fi

bitops.h

@@ -1,91 +0,0 @@
-/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/*
-   Copyright (C) 2009 Red Hat, Inc.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, write to the Free Software
-
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#ifndef BITOPS_H
-#define BITOPS_H
-
-#include <spice/macros.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
-static inline int spice_bit_find_msb(unsigned int val)
-{
-    int ret;
-
-    asm ("bsrl %1,%0\n\t"
-         "jnz 1f\n\t"
-         "movl $-1,%0\n"
-         "1:"
-         : "=r"(ret) : "r"(val));
-    return ret + 1;
-}
-
-#elif defined(WIN32) && !defined(_WIN64)
-static INLINE int spice_bit_find_msb(uint32_t val)
-{
-    uint32_t r;
-    __asm {
-        bsr eax, val
-        jnz found
-        mov eax, -1
-
-found:
-        mov r, eax
-    }
-    return r + 1;
-}
-
-#else
-static INLINE int spice_bit_find_msb(unsigned int val)
-{
-    signed char index = 31;
-
-    if(val == 0) {
-        return 0;
-    }
-
-    do {
-        if(val & 0x80000000) {
-            break;
-        }
-        val <<= 1;
-    } while(--index >= 0);
-
-    return index+1;
-}
-
-#endif
-
-static INLINE int spice_bit_next_pow2(unsigned int val)
-{
-    if ((val & (val - 1)) == 0) {
-        return val;
-    }
-    return 1 << spice_bit_find_msb(val);
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif

canvas_utils.c

@@ -1,299 +0,0 @@
-/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/*
-   Copyright (C) 2009 Red Hat, Inc.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "canvas_utils.h"
-
-#include <spice/macros.h>
-
-#ifdef __GNUC__
-#include <stdlib.h>
-#include <stdio.h>
-#endif
-#include "mem.h"
-
-#ifdef WIN32
-static int gdi_handlers = 0;
-#endif
-
-#ifndef CANVAS_ERROR
-#define CANVAS_ERROR(format, ...) {                             \
-    printf("%s: " format "\n", __FUNCTION__, ## __VA_ARGS__);   \
-    abort();                                                    \
-}
-#endif
-
-static void release_data(pixman_image_t *image, void *release_data)
-{
-    PixmanData *data = (PixmanData *)release_data;
-
-#ifdef WIN32
-    if (data->bitmap) {
-        DeleteObject((HBITMAP)data->bitmap);
-        CloseHandle(data->mutex);
-        gdi_handlers--;
-    }
-#endif
-    free(data->data);
-
-    free(data);
-}
-
-static PixmanData *
-pixman_image_add_data(pixman_image_t *image)
-{
-    PixmanData *data;
-
-    data = (PixmanData *)pixman_image_get_destroy_data(image);
-    if (data == NULL) {
-        data = (PixmanData *)calloc(1, sizeof(PixmanData));
-        if (data == NULL) {
-            CANVAS_ERROR("out of memory");
-        }
-        pixman_image_set_destroy_function(image,
-                                          release_data,
-                                          data);
-    }
-
-    return data;
-}
-
-void
-spice_pixman_image_set_format(pixman_image_t *image,
-                              pixman_format_code_t format)
-{
-    PixmanData *data;
-
-    data = pixman_image_add_data(image);
-    data->format = format;
-}
-
-pixman_format_code_t
-spice_pixman_image_get_format(pixman_image_t *image)
-{
-    PixmanData *data;
-
-    data = (PixmanData *)pixman_image_get_destroy_data(image);
-    if (data != NULL &&
-        data->format != 0)
-        return data->format;
-
-    CANVAS_ERROR("Unknown pixman image type");
-}
-
-static INLINE pixman_image_t *__surface_create_stride(pixman_format_code_t format, int width, int height,
-                                                      int stride)
-{
-    uint8_t *data;
-    uint8_t *stride_data;
-    pixman_image_t *surface;
-    PixmanData *pixman_data;
-
-    data = (uint8_t *)spice_malloc_n(abs(stride), height);
-    if (stride < 0) {
-        stride_data = data + (-stride) * (height - 1);
-    } else {
-        stride_data = data;
-    }
-
-    surface = pixman_image_create_bits(format, width, height, (uint32_t *)stride_data, stride);
-
-    if (surface == NULL) {
-        free(data);
-        CANVAS_ERROR("create surface failed, out of memory");
-    }
-
-    pixman_data = pixman_image_add_data(surface);
-    pixman_data->data = data;
-    pixman_data->format = format;
-
-    return surface;
-}
-
-#ifdef WIN32
-pixman_image_t *surface_create(HDC dc, pixman_format_code_t format,
-                                int width, int height, int top_down)
-#else
-pixman_image_t * surface_create(pixman_format_code_t format, int width, int height, int top_down)
-#endif
-{
-#ifdef WIN32
-    /*
-     * Windows xp allow only 10,000 of gdi handlers, considering the fact that
-     * we limit here the number to 5000, we dont use atomic operations to sync
-     * this calculation against the other canvases (in case of multiple
-     * monitors), in worst case there will be little more than 5000 gdi
-     * handlers.
-     */
-    if (dc && gdi_handlers < 5000) {
-        uint8_t *data;
-        uint8_t *src;
-        struct {
-            BITMAPINFO inf;
-            RGBQUAD palette[255];
-        } bitmap_info;
-        int nstride;
-        pixman_image_t *surface;
-        PixmanData *pixman_data;
-        HBITMAP bitmap;
-        HANDLE mutex;
-
-        memset(&bitmap_info, 0, sizeof(bitmap_info));
-        bitmap_info.inf.bmiHeader.biSize = sizeof(bitmap_info.inf.bmiHeader);
-        bitmap_info.inf.bmiHeader.biWidth = width;
-
-        bitmap_info.inf.bmiHeader.biHeight = (!top_down) ? height : -height;
-
-        bitmap_info.inf.bmiHeader.biPlanes = 1;
-        switch (format) {
-        case PIXMAN_a8r8g8b8:
-        case PIXMAN_x8r8g8b8:
-            bitmap_info.inf.bmiHeader.biBitCount = 32;
-            nstride = width * 4;
-            break;
-        case PIXMAN_x1r5g5b5:
-        case PIXMAN_r5g6b5:
-            bitmap_info.inf.bmiHeader.biBitCount = 16;
-            nstride = SPICE_ALIGN(width * 2, 4);
-            break;
-        case PIXMAN_a8:
-            bitmap_info.inf.bmiHeader.biBitCount = 8;
-            nstride = SPICE_ALIGN(width, 4);
-            break;
-        case PIXMAN_a1:
-            bitmap_info.inf.bmiHeader.biBitCount = 1;
-            nstride = SPICE_ALIGN(width, 32) / 8;
-            break;
-        default:
-            CANVAS_ERROR("invalid format");
-        }
-
-        bitmap_info.inf.bmiHeader.biCompression = BI_RGB;
-
-        mutex = CreateMutex(NULL, 0, NULL);
-        if (!mutex) {
-            CANVAS_ERROR("Unable to CreateMutex");
-        }
-
-        bitmap = CreateDIBSection(dc, &bitmap_info.inf, 0, (VOID **)&data, NULL, 0);
-        if (!bitmap) {
-            CloseHandle(mutex);
-            CANVAS_ERROR("Unable to CreateDIBSection");
-        }
-
-        if (top_down) {
-            src = data;
-        } else {
-            src = data + nstride * (height - 1);
-            nstride = -nstride;
-        }
-
-        surface = pixman_image_create_bits(format, width, height, (uint32_t *)src, nstride);
-        if (surface == NULL) {
-            CloseHandle(mutex);
-            DeleteObject(bitmap);
-            CANVAS_ERROR("create surface failed, out of memory");
-        }
-        pixman_data = pixman_image_add_data(surface);
-        pixman_data->format = format;
-        pixman_data->bitmap = bitmap;
-        pixman_data->mutex = mutex;
-        gdi_handlers++;
-        return surface;
-    } else {
-#endif
-    if (top_down) {
-        pixman_image_t *surface;
-        PixmanData *data;
-
-        surface = pixman_image_create_bits(format, width, height, NULL, 0);
-        data = pixman_image_add_data(surface);
-        data->format = format;
-        return surface;
-    } else {
-        // NOTE: we assume here that the lz decoders always decode to RGB32.
-        int stride = 0;
-        switch (format) {
-        case PIXMAN_a8r8g8b8:
-        case PIXMAN_x8r8g8b8:
-            stride = width * 4;
-            break;
-        case PIXMAN_x1r5g5b5:
-        case PIXMAN_r5g6b5:
-            stride = SPICE_ALIGN(width * 2, 4);
-            break;
-        case PIXMAN_a8:
-            stride = SPICE_ALIGN(width, 4);
-            break;
-        case PIXMAN_a1:
-            stride = SPICE_ALIGN(width, 32) / 8;
-            break;
-        default:
-            CANVAS_ERROR("invalid format");
-        }
-        stride = -stride;
-        return __surface_create_stride(format, width, height, stride);
-    }
-#ifdef WIN32
-}
-
-#endif
-}
-
-#ifdef WIN32
-pixman_image_t *surface_create_stride(HDC dc, pixman_format_code_t format, int width, int height,
-                                      int stride)
-#else
-pixman_image_t *surface_create_stride(pixman_format_code_t format, int width, int height,
-                                      int stride)
-#endif
-{
-#ifdef WIN32
-    if (dc) {
-        if (abs(stride) == (width * 4)) {
-            return surface_create(dc, format, width, height, (stride > 0));
-        }
-    }
-#endif
-
-    return __surface_create_stride(format, width, height, stride);
-}
-
-pixman_image_t *alloc_lz_image_surface(LzDecodeUsrData *canvas_data,
-                                       pixman_format_code_t pixman_format, int width,
-                                       int height, int gross_pixels, int top_down)
-{
-    int stride;
-    pixman_image_t *surface = NULL;
-
-    stride = (gross_pixels / height) * (PIXMAN_FORMAT_BPP (pixman_format) / 8);
-
-    if (!top_down) {
-        stride = -stride;
-    }
-
-   surface = surface_create_stride(
-#ifdef WIN32
-            canvas_data->dc,
-#endif
-            pixman_format, width, height, stride);
-    canvas_data->out_surface = surface;
-    return surface;
-}

common/Makefile.am

@@ -0,0 +1,161 @@
+NULL =
+
+# Avoid need for python(pyparsing) by end users
+CLIENT_MARSHALLERS =				\
+	generated_client_demarshallers.c	\
+	generated_client_marshallers.c		\
+	generated_client_marshallers.h		\
+	$(NULL)
+
+SERVER_MARSHALLERS =				\
+	generated_server_demarshallers.c	\
+	generated_server_marshallers.c		\
+	generated_server_marshallers.h		\
+	$(NULL)
+
+BUILT_SOURCES = $(CLIENT_MARSHALLERS) $(SERVER_MARSHALLERS)
+
+noinst_LTLIBRARIES = libspice-common.la libspice-common-server.la libspice-common-client.la
+libspice_common_la_SOURCES =		\
+	agent.c				\
+	agent.h				\
+	backtrace.c			\
+	backtrace.h			\
+	canvas_utils.c			\
+	canvas_utils.h			\
+	demarshallers.h			\
+	draw.h				\
+	lines.c				\
+	lines.h				\
+	log.c				\
+	log.h				\
+	lz.c				\
+	lz.h				\
+	lz_common.h			\
+	lz_config.h			\
+	macros.h			\
+	marshaller.c			\
+	marshaller.h			\
+	mem.c				\
+	mem.h				\
+	messages.h			\
+	pixman_utils.c			\
+	pixman_utils.h			\
+	quic.c				\
+	quic.h				\
+	quic_config.h			\
+	rect.h				\
+	region.c			\
+	region.h			\
+	ring.h				\
+	rop3.c				\
+	rop3.h				\
+	snd_codec.c			\
+	snd_codec.h			\
+	udev.c				\
+	udev.h				\
+	utils.c				\
+	utils.h				\
+	verify.h			\
+	recorder.h			\
+	$(NULL)
+
+if ENABLE_RECORDER
+libspice_common_la_SOURCES += \
+	recorder/recorder.c		\
+	recorder/recorder.h		\
+	recorder/recorder_ring.c	\
+	recorder/recorder_ring.h	\
+	$(NULL)
+endif
+
+if ENABLE_AGENT_INTERFACE
+libspice_common_la_SOURCES += \
+	agent_interface.c		\
+	agent_interface.h		\
+	$(NULL)
+endif
+
+# These 2 files are not build as part of spice-common
+# build system, but modules using spice-common will build
+# them with the appropriate options. We need to let automake
+# know that these are source files so that it can properly
+# track these files dependencies
+EXTRA_libspice_common_la_SOURCES = 	\
+	sw_canvas.c			\
+	sw_canvas.h			\
+	$(NULL)
+
+libspice_common_client_la_SOURCES =		\
+	client_marshallers.h			\
+	ssl_verify.c				\
+	ssl_verify.h				\
+	$(CLIENT_MARSHALLERS)			\
+	$(NULL)
+
+libspice_common_client_la_LIBADD =		\
+	$(GIO2_LIBS)				\
+	$(NULL)
+
+libspice_common_server_la_SOURCES =		\
+	$(SERVER_MARSHALLERS)			\
+	$(NULL)
+
+AM_CPPFLAGS =				\
+	-I$(top_srcdir)			\
+	-I$(top_builddir)		\
+	$(SPICE_COMMON_CFLAGS)		\
+	$(PROTOCOL_CFLAGS)		\
+	$(NULL)
+
+libspice_common_la_LIBADD =				\
+	$(SPICE_COMMON_LIBS)				\
+	$(UDEV_LIBS)					\
+	$(NULL)
+
+MARSHALLERS_DEPS =					\
+	$(top_srcdir)/python_modules/__init__.py	\
+	$(top_srcdir)/python_modules/codegen.py		\
+	$(top_srcdir)/python_modules/demarshal.py	\
+	$(top_srcdir)/python_modules/marshal.py		\
+	$(top_srcdir)/python_modules/ptypes.py		\
+	$(top_srcdir)/python_modules/spice_parser.py	\
+	$(top_srcdir)/spice_codegen.py			\
+	$(NULL)
+
+# Note despite being autogenerated these are not part of CLEANFILES, they are
+# actually a part of EXTRA_DIST, to avoid the need for pyparser by end users
+generated_client_demarshallers.c generated_messages.h: $(top_srcdir)/spice.proto $(MARSHALLERS_DEPS)
+	$(AM_V_GEN)$(PYTHON) $(top_srcdir)/spice_codegen.py --generate-demarshallers --client --include common/messages.h \
+	--generated-declaration-file generated_messages.h $< $@ >/dev/null
+
+generated_client_marshallers.c generated_client_marshallers.h: $(top_srcdir)/spice.proto $(MARSHALLERS_DEPS)
+	$(AM_V_GEN)$(PYTHON) $(top_srcdir)/spice_codegen.py --generate-marshallers -P --include common/client_marshallers.h --client \
+	--generate-header $< $@ >/dev/null
+
+generated_server_demarshallers.c: $(top_srcdir)/spice.proto $(MARSHALLERS_DEPS)
+	$(AM_V_GEN)$(PYTHON) $(top_srcdir)/spice_codegen.py --generate-demarshallers --server --include common/messages.h $< $@ >/dev/null
+
+STRUCTS = -M String -M Rect -M Point -M DisplayBase -M Fill -M Opaque -M Copy -M Blend -M Blackness -M Whiteness -M Invers -M Rop3 -M Stroke -M Text -M Transparent -M AlphaBlend -M Composite
+generated_server_marshallers.c generated_server_marshallers.h: $(top_srcdir)/spice.proto $(MARSHALLERS_DEPS)
+	$(AM_V_GEN)$(PYTHON) $(top_srcdir)/spice_codegen.py --generate-marshallers $(STRUCTS) --server --include common/messages.h \
+    --generate-header $< $@ >/dev/null
+
+EXTRA_DIST =				\
+	$(CLIENT_MARSHALLERS)		\
+	$(SERVER_MARSHALLERS)		\
+	generated_messages.h		\
+	meson.build			\
+	canvas_base.c			\
+	canvas_base.h			\
+	lz_compress_tmpl.c		\
+	lz_decompress_tmpl.c		\
+	quic_family_tmpl.c		\
+	quic_tmpl.c			\
+	$(NULL)
+
+GITIGNOREFILES = \
+	generated_messages.h \
+	$(NULL)
+
+-include $(top_srcdir)/git.mk

common/agent.c

@@ -0,0 +1,361 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2020 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+#include "agent.h"
+
+#ifdef _WIN32
+// Windows is always little endian
+#  define FIX_ENDIAN16(x) (x) = (x)
+#  define FIX_ENDIAN32(x) (x) = (x)
+#  define FIX_ENDIAN64(x) (x) = (x)
+#else
+#  include <glib.h>
+#  define FIX_ENDIAN16(x) (x) = GUINT16_FROM_LE(x)
+#  define FIX_ENDIAN32(x) (x) = GUINT32_FROM_LE(x)
+#  define FIX_ENDIAN64(x) (x) = GUINT64_FROM_LE(x)
+#endif
+
+#include <spice/start-packed.h>
+typedef struct SPICE_ATTR_PACKED {
+    uint16_t v;
+} uint16_unaligned_t;
+
+typedef struct SPICE_ATTR_PACKED {
+    uint32_t v;
+} uint32_unaligned_t;
+
+typedef struct SPICE_ATTR_PACKED {
+    uint64_t v;
+} uint64_unaligned_t;
+#include <spice/end-packed.h>
+
+static const int agent_message_min_size[] =
+{
+    -1, /* Does not exist */
+    sizeof(VDAgentMouseState), /* VD_AGENT_MOUSE_STATE */
+    sizeof(VDAgentMonitorsConfig), /* VD_AGENT_MONITORS_CONFIG */
+    sizeof(VDAgentReply), /* VD_AGENT_REPLY */
+    sizeof(VDAgentClipboard), /* VD_AGENT_CLIPBOARD */
+    sizeof(VDAgentDisplayConfig), /* VD_AGENT_DISPLAY_CONFIG */
+    sizeof(VDAgentAnnounceCapabilities), /* VD_AGENT_ANNOUNCE_CAPABILITIES */
+    sizeof(VDAgentClipboardGrab), /* VD_AGENT_CLIPBOARD_GRAB */
+    sizeof(VDAgentClipboardRequest), /* VD_AGENT_CLIPBOARD_REQUEST */
+    sizeof(VDAgentClipboardRelease), /* VD_AGENT_CLIPBOARD_RELEASE */
+    sizeof(VDAgentFileXferStartMessage), /* VD_AGENT_FILE_XFER_START */
+    sizeof(VDAgentFileXferStatusMessage), /* VD_AGENT_FILE_XFER_STATUS */
+    sizeof(VDAgentFileXferDataMessage), /* VD_AGENT_FILE_XFER_DATA */
+    0, /* VD_AGENT_CLIENT_DISCONNECTED */
+    sizeof(VDAgentMaxClipboard), /* VD_AGENT_MAX_CLIPBOARD */
+    sizeof(VDAgentAudioVolumeSync), /* VD_AGENT_AUDIO_VOLUME_SYNC */
+    sizeof(VDAgentGraphicsDeviceInfo), /* VD_AGENT_GRAPHICS_DEVICE_INFO */
+};
+
+static AgentCheckResult
+agent_message_check_size(const VDAgentMessage *message_header,
+                         const uint32_t *capabilities, uint32_t capabilities_size)
+{
+    if (message_header->protocol != VD_AGENT_PROTOCOL) {
+        return AGENT_CHECK_WRONG_PROTOCOL_VERSION;
+    }
+
+    if (message_header->type >= SPICE_N_ELEMENTS(agent_message_min_size) ||
+        agent_message_min_size[message_header->type] < 0) {
+        return AGENT_CHECK_UNKNOWN_MESSAGE;
+    }
+
+    uint32_t min_size = agent_message_min_size[message_header->type];
+
+    if (VD_AGENT_HAS_CAPABILITY(capabilities, capabilities_size,
+                                VD_AGENT_CAP_CLIPBOARD_SELECTION)) {
+        switch (message_header->type) {
+        case VD_AGENT_CLIPBOARD_GRAB:
+        case VD_AGENT_CLIPBOARD_REQUEST:
+        case VD_AGENT_CLIPBOARD:
+        case VD_AGENT_CLIPBOARD_RELEASE:
+            min_size += 4;
+        }
+    }
+
+    if (VD_AGENT_HAS_CAPABILITY(capabilities, capabilities_size,
+                                VD_AGENT_CAP_CLIPBOARD_GRAB_SERIAL)
+        && message_header->type == VD_AGENT_CLIPBOARD_GRAB) {
+        min_size += 4;
+    }
+
+    switch (message_header->type) {
+    case VD_AGENT_MONITORS_CONFIG:
+    case VD_AGENT_FILE_XFER_START:
+    case VD_AGENT_FILE_XFER_DATA:
+    case VD_AGENT_CLIPBOARD:
+    case VD_AGENT_CLIPBOARD_GRAB:
+    case VD_AGENT_AUDIO_VOLUME_SYNC:
+    case VD_AGENT_ANNOUNCE_CAPABILITIES:
+    case VD_AGENT_GRAPHICS_DEVICE_INFO:
+    case VD_AGENT_FILE_XFER_STATUS:
+        if (message_header->size < min_size) {
+            return AGENT_CHECK_INVALID_SIZE;
+        }
+        break;
+    case VD_AGENT_MOUSE_STATE:
+    case VD_AGENT_DISPLAY_CONFIG:
+    case VD_AGENT_REPLY:
+    case VD_AGENT_CLIPBOARD_REQUEST:
+    case VD_AGENT_CLIPBOARD_RELEASE:
+    case VD_AGENT_MAX_CLIPBOARD:
+    case VD_AGENT_CLIENT_DISCONNECTED:
+        if (message_header->size != min_size) {
+            return AGENT_CHECK_INVALID_SIZE;
+        }
+        break;
+    default:
+        return AGENT_CHECK_UNKNOWN_MESSAGE;
+    }
+    return AGENT_CHECK_NO_ERROR;
+}
+
+static void uint16_from_le(uint8_t *_msg, uint32_t size, uint32_t offset)
+{
+    uint32_t i;
+    uint16_unaligned_t *msg = (uint16_unaligned_t *)(_msg + offset);
+
+    /* size % 2 should be 0 - extra bytes are ignored */
+    for (i = 0; i < size / 2; i++) {
+        FIX_ENDIAN16(msg[i].v);
+    }
+}
+
+static void uint32_from_le(uint8_t *_msg, uint32_t size, uint32_t offset)
+{
+    uint32_t i;
+    uint32_unaligned_t *msg = (uint32_unaligned_t *)(_msg + offset);
+
+    /* size % 4 should be 0 - extra bytes are ignored */
+    for (i = 0; i < size / 4; i++) {
+        FIX_ENDIAN32(msg[i].v);
+    }
+}
+
+static void
+agent_message_clipboard_from_le(const VDAgentMessage *message_header, uint8_t *data,
+                                const uint32_t *capabilities, uint32_t capabilities_size)
+{
+    size_t min_size = agent_message_min_size[message_header->type];
+    uint32_unaligned_t *data_type = (uint32_unaligned_t *) data;
+
+    if (VD_AGENT_HAS_CAPABILITY(capabilities, capabilities_size,
+                                VD_AGENT_CAP_CLIPBOARD_SELECTION)) {
+        min_size += 4;
+        data_type++;
+    }
+
+    switch (message_header->type) {
+    case VD_AGENT_CLIPBOARD_REQUEST:
+    case VD_AGENT_CLIPBOARD:
+        FIX_ENDIAN32(data_type->v);
+        break;
+    case VD_AGENT_CLIPBOARD_GRAB:
+        uint32_from_le(data, message_header->size - min_size, min_size);
+        break;
+    case VD_AGENT_CLIPBOARD_RELEASE:
+        // empty
+        break;
+    }
+}
+
+static void
+agent_message_file_xfer_from_le(const VDAgentMessage *message_header, uint8_t *data)
+{
+    uint32_unaligned_t *id = (uint32_unaligned_t *)data;
+    FIX_ENDIAN32(id->v);
+    id++; // result
+
+    switch (message_header->type) {
+    case VD_AGENT_FILE_XFER_DATA: {
+        VDAgentFileXferDataMessage *msg = (VDAgentFileXferDataMessage *) data;
+        FIX_ENDIAN64(msg->size);
+        break;
+    }
+    case VD_AGENT_FILE_XFER_STATUS: {
+        VDAgentFileXferStatusMessage *msg = (VDAgentFileXferStatusMessage *) data;
+        FIX_ENDIAN32(msg->result);
+        // from client/server we don't expect any detail
+        switch (msg->result) {
+        case VD_AGENT_FILE_XFER_STATUS_NOT_ENOUGH_SPACE:
+            if (message_header->size >= sizeof(VDAgentFileXferStatusMessage) +
+                sizeof(VDAgentFileXferStatusNotEnoughSpace)) {
+                VDAgentFileXferStatusNotEnoughSpace *err =
+                    (VDAgentFileXferStatusNotEnoughSpace*) msg->data;
+                FIX_ENDIAN64(err->disk_free_space);
+            }
+            break;
+        case VD_AGENT_FILE_XFER_STATUS_ERROR:
+            if (message_header->size >= sizeof(VDAgentFileXferStatusMessage) +
+                sizeof(VDAgentFileXferStatusError)) {
+                VDAgentFileXferStatusError *err =
+                    (VDAgentFileXferStatusError *) msg->data;
+                FIX_ENDIAN32(err->error_code);
+            }
+            break;
+        }
+        break;
+    }
+    }
+}
+
+static AgentCheckResult
+agent_message_graphics_device_info_check_from_le(const VDAgentMessage *message_header,
+                                                 uint8_t *data)
+{
+    uint8_t *const end = data + message_header->size;
+    uint32_unaligned_t *u32 = (uint32_unaligned_t *) data;
+    FIX_ENDIAN32(u32->v);
+    const uint32_t count = u32->v;
+    data += 4;
+
+    for (size_t i = 0; i < count; ++i) {
+        if ((size_t) (end - data) < sizeof(VDAgentDeviceDisplayInfo)) {
+            return AGENT_CHECK_TRUNCATED;
+        }
+        uint32_from_le(data, sizeof(VDAgentDeviceDisplayInfo), 0);
+        VDAgentDeviceDisplayInfo *info = (VDAgentDeviceDisplayInfo *) data;
+        data += sizeof(VDAgentDeviceDisplayInfo);
+        if (!info->device_address_len) {
+            return AGENT_CHECK_INVALID_DATA;
+        }
+        if ((size_t) (end - data) < info->device_address_len) {
+            return AGENT_CHECK_TRUNCATED;
+        }
+        info->device_address[info->device_address_len - 1] = 0;
+        data += info->device_address_len;
+    }
+    return AGENT_CHECK_NO_ERROR;
+}
+
+static AgentCheckResult
+agent_message_monitors_config_from_le(const VDAgentMessage *message_header, uint8_t *message)
+{
+    uint32_from_le(message, sizeof(VDAgentMonitorsConfig), 0);
+    VDAgentMonitorsConfig *vdata = (VDAgentMonitorsConfig*) message;
+    vdata->flags &= VD_AGENT_CONFIG_MONITORS_FLAG_USE_POS|
+        VD_AGENT_CONFIG_MONITORS_FLAG_PHYSICAL_SIZE;
+    size_t element_size = sizeof(vdata->monitors[0]);
+    if ((vdata->flags & VD_AGENT_CONFIG_MONITORS_FLAG_PHYSICAL_SIZE) != 0) {
+        element_size += sizeof(VDAgentMonitorMM);
+    }
+    const size_t max_monitors =
+        (message_header->size - sizeof(*vdata)) / element_size;
+    if (vdata->num_of_monitors > max_monitors) {
+        return AGENT_CHECK_TRUNCATED;
+    }
+    uint32_from_le(message, sizeof(vdata->monitors[0]) * vdata->num_of_monitors,
+                   sizeof(*vdata));
+    if ((vdata->flags & VD_AGENT_CONFIG_MONITORS_FLAG_PHYSICAL_SIZE) != 0) {
+        uint16_from_le(message, sizeof(VDAgentMonitorMM) * vdata->num_of_monitors,
+                       sizeof(*vdata) + sizeof(vdata->monitors[0]) * vdata->num_of_monitors);
+    }
+    return AGENT_CHECK_NO_ERROR;
+}
+
+AgentCheckResult
+agent_check_message(const VDAgentMessage *message_header, uint8_t *message,
+                    const uint32_t *capabilities, uint32_t capabilities_size)
+{
+    AgentCheckResult res;
+
+    res = agent_message_check_size(message_header, capabilities, capabilities_size);
+    if (res != AGENT_CHECK_NO_ERROR) {
+        return res;
+    }
+
+    switch (message_header->type) {
+    case VD_AGENT_MOUSE_STATE:
+        uint32_from_le(message, 3 * sizeof(uint32_t), 0);
+        break;
+    case VD_AGENT_REPLY:
+    case VD_AGENT_DISPLAY_CONFIG:
+    case VD_AGENT_MAX_CLIPBOARD:
+    case VD_AGENT_ANNOUNCE_CAPABILITIES:
+        uint32_from_le(message, message_header->size, 0);
+        break;
+    case VD_AGENT_MONITORS_CONFIG:
+        return agent_message_monitors_config_from_le(message_header, message);
+
+    case VD_AGENT_CLIPBOARD:
+    case VD_AGENT_CLIPBOARD_GRAB:
+    case VD_AGENT_CLIPBOARD_REQUEST:
+    case VD_AGENT_CLIPBOARD_RELEASE:
+        agent_message_clipboard_from_le(message_header, message,
+                                        capabilities, capabilities_size);
+        break;
+    case VD_AGENT_FILE_XFER_START:
+    case VD_AGENT_FILE_XFER_STATUS:
+    case VD_AGENT_FILE_XFER_DATA:
+        agent_message_file_xfer_from_le(message_header, message);
+        break;
+    case VD_AGENT_CLIENT_DISCONNECTED:
+        break;
+    case VD_AGENT_GRAPHICS_DEVICE_INFO:
+        return agent_message_graphics_device_info_check_from_le(message_header, message);
+
+    case VD_AGENT_AUDIO_VOLUME_SYNC: {
+        VDAgentAudioVolumeSync *vdata = (VDAgentAudioVolumeSync *)message;
+        const size_t max_channels =
+            (message_header->size - sizeof(*vdata)) / sizeof(vdata->volume[0]);
+        if (vdata->nchannels > max_channels) {
+            return AGENT_CHECK_TRUNCATED;
+        }
+        uint16_from_le(message, message_header->size - sizeof(*vdata), sizeof(*vdata));
+        break;
+    }
+    default:
+        return AGENT_CHECK_UNKNOWN_MESSAGE;
+    }
+    return AGENT_CHECK_NO_ERROR;
+}
+
+void
+agent_prepare_filexfer_status(AgentFileXferStatusMessageFull *status, size_t *status_size,
+                              const uint32_t *capabilities, uint32_t capabilities_size)
+{
+    if (*status_size < sizeof(status->common)) {
+        *status_size = sizeof(status->common);
+    }
+
+    // if there are details but no cap for detail remove it
+    if (!VD_AGENT_HAS_CAPABILITY(capabilities, capabilities_size,
+                                 VD_AGENT_CAP_FILE_XFER_DETAILED_ERRORS)) {
+        *status_size = sizeof(status->common);
+
+        // if detail cap is not provided and error > threshold set to error
+        if (status->common.result >= VD_AGENT_FILE_XFER_STATUS_NOT_ENOUGH_SPACE) {
+            status->common.result = VD_AGENT_FILE_XFER_STATUS_ERROR;
+        }
+    }
+
+    // fix endian
+    switch (status->common.result) {
+    case VD_AGENT_FILE_XFER_STATUS_NOT_ENOUGH_SPACE:
+        FIX_ENDIAN64(status->not_enough_space.disk_free_space);
+        break;
+    case VD_AGENT_FILE_XFER_STATUS_ERROR:
+        FIX_ENDIAN32(status->error.error_code);
+        break;
+    }
+    // header should be done last
+    FIX_ENDIAN32(status->common.id);
+    FIX_ENDIAN32(status->common.result);
+}

common/agent.h

@@ -0,0 +1,83 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2020 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+#pragma once
+
+#include <spice/macros.h>
+#include <spice/vd_agent.h>
+
+SPICE_BEGIN_DECLS
+
+#include <spice/start-packed.h>
+
+/* This helper macro is to define a structure in a way compatible with
+ * Microsoft compiler */
+#define SPICE_INNER_FIELD_STATUS_ERROR(type, name) \
+    struct SPICE_ATTR_PACKED { \
+        char common_ ## name[sizeof(VDAgentFileXferStatusMessage)]; \
+        type name; \
+    }
+
+/**
+ * Structure to fill with transfer status.
+ * Fill as much details as you can and call agent_prepare_filexfer_status
+ * before sending to adjust for capabilities and endianness.
+ * If any detail are filled the status_size passed to agent_prepare_filexfer_status
+ * should be updated.
+ */
+typedef union SPICE_ATTR_PACKED AgentFileXferStatusMessageFull {
+    VDAgentFileXferStatusMessage common;
+    SPICE_INNER_FIELD_STATUS_ERROR(VDAgentFileXferStatusNotEnoughSpace, not_enough_space);
+    SPICE_INNER_FIELD_STATUS_ERROR(VDAgentFileXferStatusError, error);
+} AgentFileXferStatusMessageFull;
+
+#undef SPICE_INNER_FIELD_STATUS_ERROR
+
+#include <spice/end-packed.h>
+
+/**
+ * Prepare AgentFileXferStatusMessageFull to
+ * be sent to network.
+ * Avoid protocol incompatibilities and endian issues
+ */
+void
+agent_prepare_filexfer_status(AgentFileXferStatusMessageFull *status, size_t *status_size,
+                              const uint32_t *capabilities, uint32_t capabilities_size);
+
+/**
+ * Possible results checking a message.
+ * Beside AGENT_CHECK_NO_ERROR all other conditions are errors.
+ */
+typedef enum AgentCheckResult {
+    AGENT_CHECK_NO_ERROR,
+    AGENT_CHECK_WRONG_PROTOCOL_VERSION,
+    AGENT_CHECK_UNKNOWN_MESSAGE,
+    AGENT_CHECK_INVALID_SIZE,
+    AGENT_CHECK_TRUNCATED,
+    AGENT_CHECK_INVALID_DATA,
+} AgentCheckResult;
+
+/**
+ * Check message from network and fix endianness
+ * Returns AGENT_CHECK_NO_ERROR if message is valid.
+ * message buffer size should be message_header->size.
+ */
+AgentCheckResult
+agent_check_message(const VDAgentMessage *message_header, uint8_t *message,
+                    const uint32_t *capabilities, uint32_t capabilities_size);
+
+SPICE_END_DECLS

common/agent_interface.c

@@ -0,0 +1,510 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2019 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <string.h>
+#include <glib.h>
+#include <stdio.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <sys/eventfd.h>
+#include <errno.h>
+#include <poll.h>
+
+#include <common/agent_interface.h>
+
+typedef struct sockaddr SA;
+
+static GThread *recorder_comm_thr;
+static bool agent_terminated = false;
+static int terminate_efd = -1;
+static FILE *communication_f = NULL;
+
+#define NB_MAX_RECORDERS 16
+static recorder_info *recorders[NB_MAX_RECORDERS];
+static uint32_t nb_recorders = 0;
+
+static forward_quality_cb_t forward_quality_cb;
+static void *forward_quality_cb_data;
+
+static on_connect_cb_t on_connect_cb;
+static void *on_connect_cb_data;
+
+static uintptr_t recorder_tick(void);
+
+#ifndef RECORDER_HZ
+#define RECORDER_HZ     1000000
+#endif // RECORDER_HZ
+
+static GMutex mutex_socket;
+
+static int agent_initialize_communication(int socket)
+{
+    uint32_t i;
+    int ret = -1;
+    FILE *socket_f;
+
+    g_mutex_lock(&mutex_socket);
+
+    if (communication_f != NULL) {
+        g_warning("A client is already connected, rejecting the connection.");
+
+        goto unlock;
+    }
+
+    socket_f = fdopen(socket, "w+b");
+
+    fprintf(socket_f, "Recorders: ");
+    for (i = 0; i < nb_recorders; i++) {
+        g_debug("Sending %s", recorders[i]->name);
+        fprintf(socket_f, "%s;", recorders[i]->name);
+    }
+    fprintf(socket_f, "\n");
+    fflush(socket_f);
+
+    for (i = 0; i < nb_recorders; i++) {
+        char enable;
+
+        if (read(socket, &enable, sizeof(enable)) != sizeof(enable)) {
+            g_warning("Invalid read on the client socket");
+
+            goto unlock;
+        }
+        if (enable != '0' && enable != '1') {
+            g_critical("Invalid enable-value received for recorder '%s': %u",
+                       recorders[i]->name, enable);
+
+            goto unlock;
+        }
+
+        if (enable == '0') {
+            continue;
+        }
+
+        recorders[i]->trace = 1;
+        g_info("Enable recorder '%s'", recorders[i]->name);
+    }
+
+    if (on_connect_cb && on_connect_cb(on_connect_cb_data)) {
+        goto unlock;
+    }
+
+    communication_f = socket_f;
+    ret = 0;
+
+unlock:
+    g_mutex_unlock(&mutex_socket);
+
+    return ret;
+}
+
+static void agent_finalize_communication(int socket)
+{
+    uint32_t i;
+    g_info("Communication socket closed.");
+
+    g_mutex_lock(&mutex_socket);
+    g_assert(socket == fileno(communication_f));
+
+    fclose(communication_f);
+    communication_f = NULL;
+
+    for (i = 0; i < nb_recorders; i++) {
+        recorders[i]->trace = 0;
+    }
+    g_mutex_unlock(&mutex_socket);
+}
+
+static void forward_quality(const char *quality)
+{
+    if (!forward_quality_cb) {
+        g_warning("Quality: No callback set, dropping the message (%s).", quality);
+        return;
+    }
+
+    g_info("Quality: Forwarding '%s'", quality);
+
+    forward_quality_cb(forward_quality_cb_data, quality);
+}
+
+static int agent_process_communication(int socket)
+{
+    static char msg_in[128];
+
+    static long unsigned int len = 0;
+
+    g_assert(socket == fileno(communication_f));
+
+    int nbytes = read(socket, msg_in + len, 1);
+
+    if (nbytes < 0 && errno == EINTR) {
+       return 0;
+    }
+
+    if (nbytes <= 0) {
+        agent_finalize_communication(socket);
+        return -1; // socket closed
+    }
+
+    if (msg_in[len] == '\0') {
+        // process quality indicator
+        forward_quality(msg_in);
+        len = 0;
+        return 0;
+    }
+
+    len += nbytes;
+
+    if (len >= sizeof(msg_in) - 1) {
+        msg_in[sizeof(msg_in) - 1] = '\0';
+        g_warning("Invalid message received (too long?): %s", msg_in);
+        len = 0;
+    }
+
+    return 0;
+}
+
+static int make_socket(guint port)
+{
+    struct sockaddr_in servaddr;
+    int listen_socket = socket(AF_INET, SOCK_STREAM, 0);
+
+    if (listen_socket == -1) {
+        g_critical("socket creation failed");
+        return -1;
+    }
+
+    int enable = 1;
+    if (setsockopt(listen_socket, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int)) < 0) {
+        g_critical("setsockopt(SO_REUSEADDR) failed");
+        close(listen_socket);
+        return -1;
+    }
+
+    memset(&servaddr, 0, sizeof(servaddr));
+
+    servaddr.sin_family = AF_INET;
+    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
+    servaddr.sin_port = htons(port);
+
+    if (bind(listen_socket, (SA *) &servaddr, sizeof(servaddr)) != 0) {
+        g_critical("socket bind failed");
+        close(listen_socket);
+        return -1;
+    }
+
+    return listen_socket;
+}
+
+static gpointer handle_communications(gpointer user_data)
+{
+    struct pollfd fds[3];
+    int nb_fd = 0;
+    int listen_socket;
+    int i;
+    guint port = GPOINTER_TO_UINT(user_data);
+
+    listen_socket = make_socket(port);
+    if (listen_socket < 0) {
+        return NULL;
+    }
+
+    g_debug("Listening!");
+
+    if ((listen(listen_socket, 1)) != 0) {
+        g_critical("listen failed: %m");
+        return NULL;
+    }
+
+    fds[0].fd = terminate_efd;
+    fds[0].events = POLLIN;
+    fds[1].fd = listen_socket;
+    fds[1].events = POLLIN;
+    nb_fd = 2;
+
+    while (!agent_terminated) {
+
+        /* Block until input arrives on one or more active sockets. */
+        int ret = poll(fds, nb_fd, -1);
+
+        if (ret < 0) {
+            g_critical("poll failed: %m");
+            break;
+        }
+
+        /* Service all the sockets with input pending. */
+        for (i = 0; i < nb_fd; i++) {
+            int fd = fds[i].fd;
+            if (fd == terminate_efd) {
+                if (fds[i].revents & POLLIN) {
+                    g_assert(agent_terminated);
+                    break;
+                }
+            } else if (fd == listen_socket) {
+                if (fds[i].revents & ~POLLIN) {
+                    g_critical("server socket closed");
+                    break;
+                }
+                if (!(fds[i].revents & POLLIN)) {
+                    continue;
+                }
+
+                /* Connection request on original socket. */
+                int new_fd = accept(listen_socket, NULL, NULL);
+
+                if (new_fd < 0) {
+                    g_critical("accept failed: %m");
+                    break;
+                }
+
+                if (nb_fd == 3) {
+                    close(new_fd);
+                    g_warning("Too many clients accepted ...");
+                    continue;
+                }
+
+                g_debug("Agent Interface: client connected!");
+
+                if (agent_initialize_communication(new_fd)) {
+                    close(new_fd);
+                    g_warning("Initialization failed ...");
+                    continue;
+                }
+
+                fds[nb_fd].fd = new_fd;
+                fds[nb_fd].events = POLLIN;
+                nb_fd++;
+
+                /* fds array modified, restart the poll. */
+                break;
+            } else {
+                if (!(fds[i].revents & POLLIN)) {
+                    continue;
+                }
+
+                /* Data arriving on an already-connected socket. */
+                if (agent_process_communication(fd) < 0) {
+                    nb_fd--;
+                }
+            }
+        }
+    }
+
+    close(terminate_efd);
+    close(listen_socket);
+
+    g_info("Agent interface thread: bye!");
+    return NULL;
+}
+
+static void recorder_deregister(void);
+
+static void recorder_initialization(unsigned int port)
+{
+    GError *error = NULL;
+
+    terminate_efd = eventfd(0, 0);
+    if (terminate_efd == -1) {
+        g_critical("eventfd failed: %m");
+        return;
+    }
+
+    recorder_comm_thr = g_thread_try_new("smart_agent_interface",
+                                         handle_communications,
+                                         GUINT_TO_POINTER((guint) port), &error);
+    if (error) {
+        g_assert(!recorder_comm_thr);
+        g_critical("Error: Could not start the agent interface thread: %s", error->message);
+        g_error_free(error);
+        return;
+    }
+
+    atexit(recorder_deregister);
+}
+
+static void recorder_interrupt_communications(void)
+{
+    agent_terminated = true;
+
+    uint64_t msg = 1;
+    ssize_t s = write(terminate_efd, &msg, sizeof(uint64_t));
+
+    if (s != sizeof(uint64_t)) {
+        g_warning("failed to send recorder thread termination event: %m");
+    }
+}
+
+
+static void recorder_deregister(void)
+{
+    if (recorder_comm_thr) {
+        recorder_interrupt_communications();
+        g_thread_join(recorder_comm_thr);
+        recorder_comm_thr = NULL;
+    }
+}
+
+void recorder_activate(recorder_info *recorder)
+{
+    if (nb_recorders >= NB_MAX_RECORDERS) {
+        g_critical("Too many recorders configured (nb max: %d)", NB_MAX_RECORDERS);
+        return;
+    }
+
+    recorders[nb_recorders] = recorder;
+    nb_recorders++;
+}
+
+static void do_send_entry(FILE *dest, recorder_info *info, recorder_entry *entry, va_list args)
+{
+    fprintf(dest, "Name: %s\nFunction: %s\nTime: %lu\n",
+            info->name, entry->where, entry->timestamp);
+
+    vfprintf(dest, entry->format, args);
+    fprintf(dest, "\n\n");
+
+    fflush(dest);
+}
+
+
+static void recorder_trace_entry(recorder_info *info, recorder_entry *entry, ...)
+// ----------------------------------------------------------------------------
+//   Show a recorder entry when a trace is enabled
+// ----------------------------------------------------------------------------
+{
+    va_list args;
+
+    if (strchr(entry->format, '\n') != NULL) {
+        g_critical("Agent records cannot contain '\n' char ... (%s)", entry->where);
+        return;
+    }
+
+    // send info/entry to the socket
+    g_mutex_lock(&mutex_socket);
+
+    if (communication_f == NULL) {
+        g_mutex_unlock(&mutex_socket);
+        return;
+    }
+
+    va_start(args, entry);
+    do_send_entry(communication_f, info, entry, args);
+    va_end(args);
+
+    if (g_strcmp0(g_getenv("SPICE_AGENT_LOG_RECORDS"), "1") == 0) {
+        va_start(args, entry);
+        do_send_entry(stderr, info, entry, args);
+        va_end(args);
+    }
+
+    g_mutex_unlock(&mutex_socket);
+}
+
+void agent_interface_start(unsigned int port)
+{
+    g_info("Launch on port %u", port);
+    recorder_initialization(port);
+}
+
+void agent_interface_set_forward_quality_cb(forward_quality_cb_t cb, void *data)
+{
+    g_debug("Received forward_quality callback");
+    forward_quality_cb = cb;
+    forward_quality_cb_data = data;
+}
+
+void agent_interface_set_on_connect_cb(on_connect_cb_t cb, void *data)
+{
+    g_debug("Received on_connect callback");
+    on_connect_cb = cb;
+    on_connect_cb_data = data;
+}
+
+void recorder_append(recorder_info *rec,
+                     const char *where,
+                     const char *format,
+                     uintptr_t a0,
+                     uintptr_t a1,
+                     uintptr_t a2,
+                     uintptr_t a3)
+// ----------------------------------------------------------------------------
+//  Enter a record entry in ring buffer with given set of args
+// ----------------------------------------------------------------------------
+{
+    recorder_entry entry;
+
+    if (!rec->trace) {
+        return;
+    }
+
+    entry.format = format;
+    entry.timestamp = recorder_tick();
+    entry.where = where;
+
+    recorder_trace_entry(rec, &entry, a0, a1, a2, a3);
+}
+
+void recorder_append2(recorder_info *rec,
+                      const char *where,
+                      const char *format,
+                      uintptr_t a0,
+                      uintptr_t a1,
+                      uintptr_t a2,
+                      uintptr_t a3,
+                      uintptr_t a4,
+                      uintptr_t a5,
+                      uintptr_t a6,
+                      uintptr_t a7)
+// ----------------------------------------------------------------------------
+//   Enter a double record (up to 8 args)
+// ----------------------------------------------------------------------------
+{
+    recorder_entry entry;
+
+    if (!rec->trace) {
+        return;
+    }
+
+    entry.format = format;
+    entry.timestamp = recorder_tick();
+    entry.where = where;
+
+    recorder_trace_entry(rec, &entry, a0, a1, a2, a3, a4, a5, a6, a7);
+}
+
+// ============================================================================
+//
+//    Support functions
+//
+// ============================================================================
+
+static uintptr_t recorder_tick(void)
+// ----------------------------------------------------------------------------
+//   Return the "ticks" as stored in the recorder
+// ----------------------------------------------------------------------------
+{
+    struct timeval t;
+
+    gettimeofday(&t, NULL);
+
+    return t.tv_sec * RECORDER_HZ + t.tv_usec / (1000000 / RECORDER_HZ);
+}

common/agent_interface.h

@@ -0,0 +1,564 @@
+#pragma once
+
+// *****************************************************************************
+// This software is licensed under the GNU Lesser General Public License v2+
+// (C) 2017-2019, Christophe de Dinechin <christophe@dinechin.org>
+// *****************************************************************************
+// This file was part of Recorder
+//
+// Recorder is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 2 of the License, or
+// (at your option) any later version.
+//
+// Recorder is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with Recorder, in a file named COPYING.
+// If not, see <https://www.gnu.org/licenses/>.
+// *****************************************************************************
+/* This file is based on Recorder's recorder.h file, that describes a general-
+ * purpose instrumentation interface. agent_interface.h is a trimmed-down
+ * version of it. */
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+static inline void
+recorder_dump_on_common_signals(unsigned add, unsigned remove)
+{
+}
+
+// ============================================================================
+//
+//    Recorder data structures
+//
+// ============================================================================
+
+typedef struct recorder_entry
+/// ---------------------------------------------------------------------------
+///   Entry in the flight recorder.
+///----------------------------------------------------------------------------
+///  Notice that the arguments are stored as "intptr_t" because that type
+///  is guaranteed to be the same size as a pointer. This allows us to
+///  properly align recorder entries to powers of 2 for efficiency.
+///  Also read explanations of \ref _recorder_double and \ref _recorder_float
+///  below regarding how to use floating-point with the recorder.
+{
+    const char *format;         ///< Printf-style format for record + file/line
+    uintptr_t   timestamp;      ///< Time at which record took place
+    const char *where;          ///< Source code function
+    uintptr_t   args[4];        ///< Four arguments, for a total of 8 fields
+} recorder_entry;
+
+
+/// A global counter indicating the order of entries across recorders.
+/// this is incremented atomically for each record() call.
+/// It must be exposed because all XYZ_record() implementations need to
+/// touch the same shared variable in order to provide a global order.
+extern uintptr_t recorder_order;
+
+typedef struct recorder_info
+///----------------------------------------------------------------------------
+///   A linked list of the activated recorders
+///----------------------------------------------------------------------------
+{
+    intptr_t                trace;      ///< Trace this recorder
+    const char *            name;       ///< Name of this parameter / recorder
+    const char *            description;///< Description of what is recorded
+    recorder_entry          data[0];    ///< Data for this recorder
+} recorder_info;
+
+// ============================================================================
+//
+//   Adding data to a recorder
+//
+// ============================================================================
+
+extern void recorder_append(recorder_info *rec,
+                            const char *where,
+                            const char *format,
+                            uintptr_t a0,
+                            uintptr_t a1,
+                            uintptr_t a2,
+                            uintptr_t a3);
+extern void recorder_append2(recorder_info *rec,
+                             const char *where,
+                             const char *format,
+                             uintptr_t a0,
+                             uintptr_t a1,
+                             uintptr_t a2,
+                             uintptr_t a3,
+                             uintptr_t a4,
+                             uintptr_t a5,
+                             uintptr_t a6,
+                             uintptr_t a7);
+extern void recorder_append3(recorder_info *rec,
+                             const char *where,
+                             const char *format,
+                             uintptr_t a0,
+                             uintptr_t a1,
+                             uintptr_t a2,
+                             uintptr_t a3,
+                             uintptr_t a4,
+                             uintptr_t a5,
+                             uintptr_t a6,
+                             uintptr_t a7,
+                             uintptr_t a8,
+                             uintptr_t a9,
+                             uintptr_t a10,
+                             uintptr_t a11);
+
+/// Activate a recorder (during construction time)
+extern void recorder_activate(recorder_info *recorder);
+
+// ============================================================================
+//
+//    Declaration of recorders and tweaks
+//
+// ============================================================================
+
+#define RECORDER_DECLARE(Name)                                          \
+/* ----------------------------------------------------------------*/   \
+/*  Declare a recorder with the given name (for use in headers)    */   \
+/* ----------------------------------------------------------------*/   \
+    extern recorder_info * const recorder_info_ptr_for_##Name;          \
+    extern struct recorder_info_for_##Name recorder_info_for_##Name
+
+
+// ============================================================================
+//
+//    Definition of recorders and tweaks
+//
+// ============================================================================
+
+#define RECORDER(Name, Size, Info)      RECORDER_DEFINE(Name,Size,Info)
+
+#define RECORDER_DEFINE(Name, Size, Info)                               \
+/*!----------------------------------------------------------------*/   \
+/*! Define a recorder type with Size elements                      */   \
+/*!----------------------------------------------------------------*/   \
+/*! \param Name is the C name fo the recorder.                          \
+ *! \param Size is the number of entries in the circular buffer.        \
+ *! \param Info is a description of the recorder for help. */           \
+                                                                        \
+/* The entry in linked list for this type */                            \
+struct recorder_info_for_##Name                                         \
+{                                                                       \
+    recorder_info       info;                                           \
+    recorder_entry      data[Size];                                     \
+}                                                                       \
+recorder_info_for_##Name =                                              \
+{                                                                       \
+    {                                                                   \
+        0, #Name, Info, {}                                              \
+    },                                                                  \
+    {}                                                                  \
+};                                                                      \
+recorder_info * const recorder_info_ptr_for_##Name =                    \
+    &recorder_info_for_##Name.info;                                     \
+                                                                        \
+RECORDER_CONSTRUCTOR                                                    \
+static void recorder_activate_##Name(void)                              \
+/* ----------------------------------------------------------------*/   \
+/*  Activate recorder before entering main()                       */   \
+/* ----------------------------------------------------------------*/   \
+{                                                                       \
+    recorder_activate(RECORDER_INFO(Name));                             \
+}                                                                       \
+                                                                        \
+/* Purposefully generate compile error if macro not followed by ; */    \
+extern void recorder_activate(recorder_info *recorder)
+
+typedef struct SpiceDummyTweak {
+    intptr_t tweak_value;
+} SpiceDummyTweak;
+
+typedef struct SpiceEmptyStruct {
+    char dummy[0];
+} SpiceEmptyStruct;
+
+#define RECORDER_TWEAK_DECLARE(rec) \
+    extern const SpiceDummyTweak spice_recorder_tweak_ ## rec
+
+#define RECORDER_TWEAK_DEFINE(rec, value, comment) \
+    const SpiceDummyTweak spice_recorder_tweak_ ## rec = { (value) }
+
+#define RECORDER_TWEAK(rec) \
+    ((spice_recorder_tweak_ ## rec).tweak_value)
+
+#define RECORDER_TRACE(rec) \
+    (sizeof(struct recorder_info_for_ ## rec) != sizeof(SpiceEmptyStruct))
+
+
+// ============================================================================
+//
+//    Access to recorder and tweak info
+//
+// ============================================================================
+
+#define RECORDER_INFO(Name)     (recorder_info_ptr_for_##Name)
+
+// ============================================================================
+//
+//    Recording stuff
+//
+// ============================================================================
+
+#define record(Name, ...)               RECORD_MACRO(Name, __VA_ARGS__)
+#define RECORD(Name,...)                RECORD_MACRO(Name, __VA_ARGS__)
+#define RECORD_MACRO(Name, ...)                                  \
+    RECORD_(RECORD,RECORD_COUNT_(__VA_ARGS__),Name,__VA_ARGS__)
+#define RECORD_(RECORD,RCOUNT,Name,...)                          \
+    RECORD__(RECORD,RCOUNT,Name,__VA_ARGS__)
+#define RECORD__(RECORD,RCOUNT,Name,...)                         \
+    RECORD##RCOUNT(Name,__VA_ARGS__)
+#define RECORD_COUNT_(...)      RECORD_COUNT__(Dummy,##__VA_ARGS__,_X,_X,_12,_11,_10,_9,_8,_7,_6,_5,_4,_3,_2,_1,_0)
+#define RECORD_COUNT__(Dummy,_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,_11,_12,_13,_N,...)      _N
+
+#define RECORD_0(Name, Format)                          \
+    recorder_append(RECORDER_INFO(Name),                \
+                    RECORDER_SOURCE_FUNCTION,           \
+                    RECORDER_SOURCE_LOCATION            \
+                    Format, 0, 0, 0, 0)
+#define RECORD_1(Name, Format, a)                       \
+    recorder_append(RECORDER_INFO(Name),                \
+                    RECORDER_SOURCE_FUNCTION,           \
+                    RECORDER_SOURCE_LOCATION            \
+                    Format,                             \
+                    RECORDER_ARG(a), 0, 0, 0)
+#define RECORD_2(Name, Format, a,b)                     \
+    recorder_append(RECORDER_INFO(Name),                \
+                    RECORDER_SOURCE_FUNCTION,           \
+                    RECORDER_SOURCE_LOCATION            \
+                    Format,                             \
+                    RECORDER_ARG(a),                    \
+                    RECORDER_ARG(b), 0, 0)
+#define RECORD_3(Name, Format, a,b,c)                   \
+    recorder_append(RECORDER_INFO(Name),                \
+                    RECORDER_SOURCE_FUNCTION,           \
+                    RECORDER_SOURCE_LOCATION            \
+                    Format,                             \
+                    RECORDER_ARG(a),                    \
+                    RECORDER_ARG(b),                    \
+                    RECORDER_ARG(c), 0)
+#define RECORD_4(Name, Format, a,b,c,d)                 \
+    recorder_append(RECORDER_INFO(Name),                \
+                    RECORDER_SOURCE_FUNCTION,           \
+                    RECORDER_SOURCE_LOCATION            \
+                    Format,                             \
+                    RECORDER_ARG(a),                    \
+                    RECORDER_ARG(b),                    \
+                    RECORDER_ARG(c),                    \
+                    RECORDER_ARG(d))
+#define RECORD_5(Name, Format, a,b,c,d,e)               \
+    recorder_append2(RECORDER_INFO(Name),               \
+                     RECORDER_SOURCE_FUNCTION,          \
+                     RECORDER_SOURCE_LOCATION           \
+                     Format,                            \
+                     RECORDER_ARG(a),                   \
+                     RECORDER_ARG(b),                   \
+                     RECORDER_ARG(c),                   \
+                     RECORDER_ARG(d),                   \
+                     RECORDER_ARG(e), 0, 0, 0)
+#define RECORD_6(Name, Format, a,b,c,d,e,f)             \
+    recorder_append2(RECORDER_INFO(Name),               \
+                     RECORDER_SOURCE_FUNCTION,          \
+                     RECORDER_SOURCE_LOCATION           \
+                     Format,                            \
+                     RECORDER_ARG(a),                   \
+                     RECORDER_ARG(b),                   \
+                     RECORDER_ARG(c),                   \
+                     RECORDER_ARG(d),                   \
+                     RECORDER_ARG(e),                   \
+                     RECORDER_ARG(f), 0, 0)
+#define RECORD_7(Name, Format, a,b,c,d,e,f,g)           \
+    recorder_append2(RECORDER_INFO(Name),               \
+                     RECORDER_SOURCE_FUNCTION,          \
+                     RECORDER_SOURCE_LOCATION           \
+                     Format,                            \
+                     RECORDER_ARG(a),                   \
+                     RECORDER_ARG(b),                   \
+                     RECORDER_ARG(c),                   \
+                     RECORDER_ARG(d),                   \
+                     RECORDER_ARG(e),                   \
+                     RECORDER_ARG(f),                   \
+                     RECORDER_ARG(g), 0)
+#define RECORD_8(Name, Format, a,b,c,d,e,f,g,h)         \
+    recorder_append2(RECORDER_INFO(Name),               \
+                     RECORDER_SOURCE_FUNCTION,          \
+                     RECORDER_SOURCE_LOCATION           \
+                     Format,                            \
+                     RECORDER_ARG(a),                   \
+                     RECORDER_ARG(b),                   \
+                     RECORDER_ARG(c),                   \
+                     RECORDER_ARG(d),                   \
+                     RECORDER_ARG(e),                   \
+                     RECORDER_ARG(f),                   \
+                     RECORDER_ARG(g),                   \
+                     RECORDER_ARG(h))
+#define RECORD_9(Name, Format, a,b,c,d,e,f,g,h,i)       \
+    recorder_append3(RECORDER_INFO(Name),               \
+                     RECORDER_SOURCE_FUNCTION,          \
+                     RECORDER_SOURCE_LOCATION           \
+                     Format,                            \
+                     RECORDER_ARG(a),                   \
+                     RECORDER_ARG(b),                   \
+                     RECORDER_ARG(c),                   \
+                     RECORDER_ARG(d),                   \
+                     RECORDER_ARG(e),                   \
+                     RECORDER_ARG(f),                   \
+                     RECORDER_ARG(g),                   \
+                     RECORDER_ARG(h),                   \
+                     RECORDER_ARG(i), 0,0,0)
+#define RECORD_10(Name, Format, a,b,c,d,e,f,g,h,i,j)    \
+    recorder_append3(RECORDER_INFO(Name),               \
+                     RECORDER_SOURCE_FUNCTION,          \
+                     RECORDER_SOURCE_LOCATION           \
+                     Format,                            \
+                     RECORDER_ARG(a),                   \
+                     RECORDER_ARG(b),                   \
+                     RECORDER_ARG(c),                   \
+                     RECORDER_ARG(d),                   \
+                     RECORDER_ARG(e),                   \
+                     RECORDER_ARG(f),                   \
+                     RECORDER_ARG(g),                   \
+                     RECORDER_ARG(h),                   \
+                     RECORDER_ARG(i),                   \
+                     RECORDER_ARG(j), 0,0)
+#define RECORD_11(Name, Format, a,b,c,d,e,f,g,h,i,j,k)  \
+    recorder_append3(RECORDER_INFO(Name),               \
+                     RECORDER_SOURCE_FUNCTION,          \
+                     RECORDER_SOURCE_LOCATION           \
+                     Format,                            \
+                     RECORDER_ARG(a),                   \
+                     RECORDER_ARG(b),                   \
+                     RECORDER_ARG(c),                   \
+                     RECORDER_ARG(d),                   \
+                     RECORDER_ARG(e),                   \
+                     RECORDER_ARG(f),                   \
+                     RECORDER_ARG(g),                   \
+                     RECORDER_ARG(h),                   \
+                     RECORDER_ARG(i),                   \
+                     RECORDER_ARG(j),                   \
+                     RECORDER_ARG(k),0)
+#define RECORD_12(Name,Format,a,b,c,d,e,f,g,h,i,j,k,l)  \
+    recorder_append3(RECORDER_INFO(Name),               \
+                     RECORDER_SOURCE_FUNCTION,          \
+                     RECORDER_SOURCE_LOCATION           \
+                     Format,                            \
+                     RECORDER_ARG(a),                   \
+                     RECORDER_ARG(b),                   \
+                     RECORDER_ARG(c),                   \
+                     RECORDER_ARG(d),                   \
+                     RECORDER_ARG(e),                   \
+                     RECORDER_ARG(f),                   \
+                     RECORDER_ARG(g),                   \
+                     RECORDER_ARG(h),                   \
+                     RECORDER_ARG(i),                   \
+                     RECORDER_ARG(j),                   \
+                     RECORDER_ARG(k),                   \
+                     RECORDER_ARG(l))
+#define RECORD_X(Name, ...)   RECORD_TOO_MANY_ARGS(printf(__VA_ARGS__))
+
+
+// Some ugly macro drudgery to make things easy to use. Adjust type.
+#ifdef __cplusplus
+#define RECORDER_ARG(arg)       _recorder_arg(arg)
+#else // !__cplusplus
+
+#if defined(__GNUC__) && !defined(__clang__)
+#  if __GNUC__ <= 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 9)
+#    define RECORDER_WITHOUT_GENERIC
+#  endif
+#endif // __GNUC__
+
+#ifdef RECORDER_WITHOUT_GENERIC
+#define RECORDER_ARG(arg) ((uintptr_t) (arg))
+#else // !RECORDER_WITHOUT_GENERIC
+#define RECORDER_ARG(arg)                               \
+    _Generic(arg,                                       \
+             unsigned char:     _recorder_unsigned,     \
+             unsigned short:    _recorder_unsigned,     \
+             unsigned:          _recorder_unsigned,     \
+             unsigned long:     _recorder_unsigned,     \
+             unsigned long long:_recorder_unsigned,     \
+             char:              _recorder_char,         \
+             signed char:       _recorder_signed,       \
+             signed short:      _recorder_signed,       \
+             signed:            _recorder_signed,       \
+             signed long:       _recorder_signed,       \
+             signed long long:  _recorder_signed,       \
+             float:             _recorder_float,        \
+             double:            _recorder_double,       \
+             default:           _recorder_pointer)(arg)
+#endif // RECORDER_WITHOUT_GENERIC
+#endif // __cplusplus
+
+// ============================================================================
+//
+//    Timing information
+//
+// ============================================================================
+
+#define RECORD_TIMING_BEGIN(rec) \
+    do { RECORD(rec, "begin");
+#define RECORD_TIMING_END(rec, op, name, value) \
+        RECORD(rec, "end" op name); \
+    } while (0)
+
+
+// ============================================================================
+//
+//   Support macros
+//
+// ============================================================================
+
+#define RECORDER_SOURCE_FUNCTION    __func__ /* Works in C99 and C++11 */
+#define RECORDER_SOURCE_LOCATION    __FILE__ ":" RECORDER_STRING(__LINE__) ":"
+#define RECORDER_STRING(LINE)       RECORDER_STRING_(LINE)
+#define RECORDER_STRING_(LINE)      #LINE
+
+#ifdef __GNUC__
+#define RECORDER_CONSTRUCTOR            __attribute__((constructor))
+#else
+#define RECORDER_CONSTRUCTOR
+#endif
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+// ============================================================================
+//
+//    Utility: Convert floating point values for vararg format
+//
+// ============================================================================
+//
+//   The recorder stores only uintptr_t in recorder entries. Integer types
+//   are promoted, pointer types are converted. Floating point values
+//   are converted a floating point type of the same size as uintptr_t,
+//   i.e. float are converted to double on 64-bit platforms, and conversely.
+
+#ifdef __cplusplus
+#include <string>
+
+// In C++, we don't use _Generic but actual overloading
+template <class inttype>
+static inline uintptr_t         _recorder_arg(inttype i)
+{
+    return (uintptr_t) i;
+}
+
+
+static inline uintptr_t         _recorder_arg(const std::string &arg)
+{
+    return (uintptr_t) arg.c_str();
+}
+#define _recorder_float         _recorder_arg
+#define _recorder_double        _recorder_arg
+
+#else // !__cplusplus
+
+static inline uintptr_t _recorder_char(char c)
+// ----------------------------------------------------------------------------
+//   Necessary because of the way generic selections work
+// ----------------------------------------------------------------------------
+{
+    return c;
+}
+
+
+static inline uintptr_t _recorder_unsigned(uintptr_t i)
+// ----------------------------------------------------------------------------
+//   Necessary because of the way generic selections work
+// ----------------------------------------------------------------------------
+{
+    return i;
+}
+
+
+static inline uintptr_t _recorder_signed(intptr_t i)
+// ----------------------------------------------------------------------------
+//   Necessary because of the way generic selections work
+// ----------------------------------------------------------------------------
+{
+    return (uintptr_t) i;
+}
+
+
+static inline uintptr_t _recorder_pointer(const void *i)
+// ----------------------------------------------------------------------------
+//   Necessary because of the way generic selections work
+// ----------------------------------------------------------------------------
+{
+    return (uintptr_t) i;
+}
+
+#endif // __cplusplus
+
+
+static inline uintptr_t _recorder_float(float f)
+// ----------------------------------------------------------------------------
+//   Convert floating point number to intptr_t representation for recorder
+// ----------------------------------------------------------------------------
+{
+    if (sizeof(float) == sizeof(intptr_t)) {
+        union { float f; uintptr_t i; } u;
+        u.f = f;
+        return u.i;
+    } else {
+        union { double d; uintptr_t i; } u;
+        u.d = (double) f;
+        return u.i;
+    }
+}
+
+
+static inline uintptr_t _recorder_double(double d)
+// ----------------------------------------------------------------------------
+//   Convert double-precision floating point number to intptr_t representation
+// ----------------------------------------------------------------------------
+{
+    if (sizeof(double) == sizeof(intptr_t)) {
+        union { double d; uintptr_t i; } u;
+        u.d = d;
+        return u.i;
+    } else {
+        // Better to lose precision than not store any data
+        union { float f; uintptr_t i; } u;
+        u.f = d;
+        return u.i;
+    }
+}
+
+// ============================================================================
+//   Agent-Interface specific definitions
+// ============================================================================
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+// launch the Agent-Interface server socket
+extern void agent_interface_start(unsigned int port);
+
+//
+typedef void (*forward_quality_cb_t)(void *, const char *);
+extern void agent_interface_set_forward_quality_cb(forward_quality_cb_t cb, void *data);
+
+// set a callback function triggered when a new client connects to the socket
+typedef int (*on_connect_cb_t)(void *);
+extern void agent_interface_set_on_connect_cb(on_connect_cb_t cb, void *data);
+#ifdef __cplusplus
+}
+#endif // __cplusplus

common/backtrace.c

@@ -22,18 +22,20 @@
  */
 
 #include <config.h>
-#include <unistd.h>
+
-#include <stdlib.h>
+#if !defined(WIN32) || defined(__MINGW32__)
-#include <stdio.h>
+
+#include "backtrace.h"
+
 #include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include <sys/types.h>
 #ifndef __MINGW32__
 #include <sys/wait.h>
 #endif
 
-#include "spice_common.h"
-
 #define GSTACK_PATH "/usr/bin/gstack"
 
 #if HAVE_EXECINFO_H
@@ -75,7 +77,6 @@ static int spice_backtrace_gstack(void)
         /* CHILD */
         char parent[16];
 
-        seteuid(0);
         close(STDIN_FILENO);
         close(STDOUT_FILENO);
         dup2(pipefd[1],STDOUT_FILENO);
@@ -131,3 +132,4 @@ void spice_backtrace(void)
         spice_backtrace_backtrace();
     }
 }
+#endif

common/backtrace.h

@@ -16,8 +16,8 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef BACKTRACE_H
+#ifndef H_SPICE_COMMON_BACKTRACE
-#define BACKTRACE_H
+#define H_SPICE_COMMON_BACKTRACE
 
 #include <spice/macros.h>
 
@@ -31,4 +31,4 @@ void spice_backtrace(void);
 
 SPICE_END_DECLS
 
-#endif // BACKTRACE_H
+#endif // H_SPICE_COMMON_BACKTRACE

common/canvas_base.h

@@ -16,24 +16,17 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef _H_CANVAS_BASE
+#ifndef H_SPICE_COMMON_CANVAS_BASE
-#define _H_CANVAS_BASE
+#define H_SPICE_COMMON_CANVAS_BASE
 
-#ifndef SPICE_CANVAS_INTERNAL
+#include <spice/macros.h>
-#error "This header shouldn't be included directly"
-#endif
 
 #include "pixman_utils.h"
 #include "lz.h"
 #include "region.h"
 #include "draw.h"
-#ifdef WIN32
-#include <windows.h>
-#endif
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
 
 typedef void (*spice_destroy_fn_t)(void *data);
 
@@ -64,7 +57,7 @@ typedef struct {
 } SpiceImageCacheOps;
 
 struct _SpiceImageCache {
-  SpiceImageCacheOps *ops;
+  const SpiceImageCacheOps *ops;
 };
 
 typedef struct {
@@ -73,7 +66,7 @@ typedef struct {
 } SpiceImageSurfacesOps;
 
 struct _SpiceImageSurfaces {
- SpiceImageSurfacesOps *ops;
+ const SpiceImageSurfacesOps *ops;
 };
 
 typedef struct {
@@ -137,6 +130,7 @@ typedef struct {
     void (*draw_text)(SpiceCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceText *text);
     void (*draw_stroke)(SpiceCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceStroke *stroke);
     void (*draw_rop3)(SpiceCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceRop3 *rop3);
+    void (*draw_composite)(SpiceCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceComposite *composite);
     void (*draw_blend)(SpiceCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceBlend *blend);
     void (*draw_blackness)(SpiceCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceBlackness *blackness);
     void (*draw_whiteness)(SpiceCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceWhiteness *whiteness);
@@ -144,9 +138,6 @@ typedef struct {
     void (*draw_transparent)(SpiceCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceTransparent* transparent);
     void (*draw_alpha_blend)(SpiceCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceAlphaBlend* alpha_blend);
     void (*put_image)(SpiceCanvas *canvas,
-#ifdef WIN32
-                      HDC dc,
-#endif
                       const SpiceRect *dest, const uint8_t *src_data,
                       uint32_t src_width, uint32_t src_height, int src_stride,
                       const QRegion *clip);
@@ -310,18 +301,13 @@ typedef struct {
     void (*copy_region)(SpiceCanvas *canvas,
                         pixman_region32_t *dest_region,
                         int dx, int dy);
-    pixman_image_t *(*get_image)(SpiceCanvas *canvas);
+    pixman_image_t *(*get_image)(SpiceCanvas *canvas, int force_opaque);
 } SpiceCanvasOps;
 
-void spice_canvas_set_usr_data(SpiceCanvas *canvas, void *data, spice_destroy_fn_t destroy_fn);
-void *spice_canvas_get_usr_data(SpiceCanvas *canvas);
-
 struct _SpiceCanvas {
   SpiceCanvasOps *ops;
 };
 
-#ifdef __cplusplus
+SPICE_END_DECLS
-}
-#endif
 
 #endif

common/canvas_utils.c

@@ -0,0 +1,180 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2009 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+#include <config.h>
+
+#include "canvas_utils.h"
+#include "mem.h"
+
+typedef struct PixmanData {
+    uint8_t *data;
+    pixman_format_code_t format;
+} PixmanData;
+
+static void release_data(SPICE_GNUC_UNUSED pixman_image_t *image,
+                         void *release_data)
+{
+    PixmanData *data = (PixmanData *)release_data;
+
+    free(data->data);
+
+    free(data);
+}
+
+static PixmanData *
+pixman_image_add_data(pixman_image_t *image)
+{
+    PixmanData *data;
+
+    data = (PixmanData *)pixman_image_get_destroy_data(image);
+    if (data == NULL) {
+        data = (PixmanData *)calloc(1, sizeof(PixmanData));
+        if (data == NULL) {
+            spice_error("out of memory");
+        }
+        pixman_image_set_destroy_function(image,
+                                          release_data,
+                                          data);
+    }
+
+    return data;
+}
+
+void
+spice_pixman_image_set_format(pixman_image_t *image,
+                              pixman_format_code_t format)
+{
+    PixmanData *data;
+
+    data = pixman_image_add_data(image);
+    data->format = format;
+}
+
+
+int spice_pixman_image_get_format(pixman_image_t *image, pixman_format_code_t *format)
+{
+    PixmanData *data;
+
+    spice_return_val_if_fail(format != NULL, 0);
+
+    data = (PixmanData *)pixman_image_get_destroy_data(image);
+    if (data != NULL && data->format != 0) {
+        *format = data->format;
+        return 1;
+    }
+
+    spice_warn_if_reached();
+    return 0;
+}
+
+pixman_image_t *surface_create_stride(pixman_format_code_t format, int width, int height,
+                                      int stride)
+{
+    uint8_t *data;
+    uint8_t *stride_data;
+    pixman_image_t *surface;
+    PixmanData *pixman_data;
+
+    data = (uint8_t *)spice_malloc_n(abs(stride), height);
+    if (stride < 0) {
+        stride_data = data + (-stride) * (height - 1);
+    } else {
+        stride_data = data;
+    }
+
+    surface = pixman_image_create_bits(format, width, height, (uint32_t *)stride_data, stride);
+
+    if (surface == NULL) {
+        free(data);
+        data = NULL;
+        spice_error("create surface failed, out of memory");
+    }
+
+    pixman_data = pixman_image_add_data(surface);
+    pixman_data->data = data;
+    pixman_data->format = format;
+
+    return surface;
+}
+
+pixman_image_t * surface_create(pixman_format_code_t format, int width, int height, int top_down)
+{
+    if (top_down) {
+        pixman_image_t *surface;
+        PixmanData *data;
+
+        surface = pixman_image_create_bits(format, width, height, NULL, 0);
+        data = pixman_image_add_data(surface);
+        data->format = format;
+        return surface;
+    } else {
+        // NOTE: we assume here that the lz decoders always decode to RGB32.
+        int stride = 0;
+        switch (format) {
+        case PIXMAN_a8r8g8b8:
+        case PIXMAN_x8r8g8b8:
+#ifdef WORDS_BIGENDIAN
+        case PIXMAN_b8g8r8a8:
+        case PIXMAN_b8g8r8x8:
+#endif
+            stride = width * 4;
+            break;
+        case PIXMAN_r8g8b8:
+#ifdef WORDS_BIGENDIAN
+        case PIXMAN_b8g8r8:
+#endif
+            // NOTE: LZ4 also decodes to RGB24
+            stride = SPICE_ALIGN(width * 3, 4);
+            break;
+        case PIXMAN_x1r5g5b5:
+        case PIXMAN_r5g6b5:
+            stride = SPICE_ALIGN(width * 2, 4);
+            break;
+        case PIXMAN_a8:
+            stride = SPICE_ALIGN(width, 4);
+            break;
+        case PIXMAN_a1:
+            stride = SPICE_ALIGN(width, 32) / 8;
+            break;
+        default:
+            spice_error("invalid format");
+        }
+        stride = -stride;
+        return surface_create_stride(format, width, height, stride);
+    }
+}
+
+pixman_image_t *alloc_lz_image_surface(LzDecodeUsrData *canvas_data,
+                                       pixman_format_code_t pixman_format, int width,
+                                       int height, int gross_pixels, int top_down)
+{
+    int stride;
+    pixman_image_t *surface = NULL;
+
+    stride = (gross_pixels / height) * (PIXMAN_FORMAT_BPP (pixman_format) / 8);
+
+    /* pixman requires strides to be 4-byte aligned */
+    stride = SPICE_ALIGN(stride, 4);
+
+    if (!top_down) {
+        stride = -stride;
+    }
+
+    surface = surface_create_stride(pixman_format, width, height, stride);
+    canvas_data->out_surface = surface;
+    return surface;
+}

common/canvas_utils.h

@@ -16,56 +16,29 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef _H_CANVAS_UTILS
+#ifndef H_SPICE_COMMON_CANVAS_UTILS
-#define _H_CANVAS_UTILS
+#define H_SPICE_COMMON_CANVAS_UTILS
-
-#ifdef WIN32
-#include <windows.h>
-#endif
 
 #include <spice/types.h>
+#include <spice/macros.h>
 
 #include "pixman_utils.h"
 #include "lz.h"
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
-
-typedef struct PixmanData {
-#ifdef WIN32
-    HBITMAP bitmap;
-    HANDLE mutex;
-#endif
-    uint8_t *data;
-    pixman_format_code_t format;
-} PixmanData;
 
 void spice_pixman_image_set_format(pixman_image_t *image,
                                    pixman_format_code_t format);
-pixman_format_code_t spice_pixman_image_get_format(pixman_image_t *image);
+int spice_pixman_image_get_format(pixman_image_t *image, pixman_format_code_t *format);
 
 
-#ifdef WIN32
-pixman_image_t *surface_create(HDC dc, pixman_format_code_t format,
-                               int width, int height, int top_down);
-#else
 pixman_image_t *surface_create(pixman_format_code_t format, int width, int height, int top_down);
-#endif
 
-#ifdef WIN32
-pixman_image_t *surface_create_stride(HDC dc, pixman_format_code_t format, int width, int height,
-                                      int stride);
-#else
 pixman_image_t *surface_create_stride(pixman_format_code_t format, int width, int height,
                                       int stride);
-#endif
 
 
 typedef struct LzDecodeUsrData {
-#ifdef WIN32
-    HDC dc;
-#endif
     pixman_image_t       *out_surface;
 } LzDecodeUsrData;
 
@@ -73,8 +46,7 @@ typedef struct LzDecodeUsrData {
 pixman_image_t *alloc_lz_image_surface(LzDecodeUsrData *canvas_data,
                                        pixman_format_code_t pixman_format, int width,
                                        int height, int gross_pixels, int top_down);
-#ifdef __cplusplus
+
-}
+SPICE_END_DECLS
-#endif
 
 #endif

common/client_marshallers.h

@@ -1,6 +1,6 @@
 /* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
 /*
-   Copyright (C) 2009 Red Hat, Inc.
+   Copyright (C) 2010 Red Hat, Inc.
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -16,23 +16,19 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef _H_GLCTX
+#ifndef H_SPICE_COMMON_CLIENT_MARSHALLERS
-#define _H_GLCTX
+#define H_SPICE_COMMON_CLIENT_MARSHALLERS
 
-#ifdef __cplusplus
+#include <spice/protocol.h>
-extern "C" {
-#endif
 
-typedef struct OGLCtx OGLCtx;
+#include "messages.h"
+#include "common/generated_client_marshallers.h"
+#include "marshaller.h"
 
-const char *oglctx_type_str(OGLCtx *ctx);
+SPICE_BEGIN_DECLS
-void oglctx_make_current(OGLCtx *ctx);
-OGLCtx *pbuf_create(int width, int heigth);
-OGLCtx *pixmap_create(int width, int heigth);
-void oglctx_destroy(OGLCtx *ctx);
 
-#ifdef __cplusplus
+SpiceMessageMarshallers *spice_message_marshallers_get(void);
-}
+
-#endif
+SPICE_END_DECLS
 
 #endif

common/demarshallers.h

@@ -0,0 +1,38 @@
+/*
+   Copyright (C) 2010 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef H_SPICE_COMMON_DEMARSHALLERS
+#define H_SPICE_COMMON_DEMARSHALLERS
+
+#include <stddef.h>
+#include <spice/macros.h>
+
+SPICE_BEGIN_DECLS
+
+typedef void (*message_destructor_t)(uint8_t *message);
+typedef uint8_t * (*spice_parse_channel_func_t)(uint8_t *message_start, uint8_t *message_end,
+                                                uint16_t message_type, int minor,
+                                                size_t *size_out,
+                                                message_destructor_t *free_message);
+
+spice_parse_channel_func_t
+spice_get_server_channel_parser(uint32_t channel, unsigned int *max_message_type);
+spice_parse_channel_func_t
+spice_get_client_channel_parser(uint32_t channel, unsigned int *max_message_type);
+
+SPICE_END_DECLS
+
+#endif

common/draw.h

@@ -28,16 +28,15 @@
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-#ifndef _H_SPICE_DRAW
+#ifndef H_SPICE_COMMON_DRAW
-#define _H_SPICE_DRAW
+#define H_SPICE_COMMON_DRAW
 
+#include <spice/macros.h>
 #include <spice/types.h>
 #include <spice/enums.h>
 #include "mem.h"
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
 
 #define SPICE_GET_ADDRESS(addr) ((void *)(uintptr_t)(addr))
 #define SPICE_SET_ADDRESS(addr, val) ((addr) = (uintptr_t)(val))
@@ -83,7 +82,7 @@ typedef struct SpiceClipRects {
 } SpiceClipRects;
 
 typedef struct SpiceClip {
-    uint32_t type;
+    uint8_t type;
     SpiceClipRects *rects;
 } SpiceClip;
 
@@ -121,7 +120,7 @@ typedef struct SpiceSurface {
 typedef struct SpiceQUICData {
     uint32_t data_size;
     SpiceChunks *data;
-} SpiceQUICData, SpiceLZRGBData, SpiceJPEGData;
+} SpiceQUICData, SpiceLZRGBData, SpiceJPEGData, SpiceLZ4Data;
 
 typedef struct SpiceLZPLTData {
     uint8_t flags;
@@ -154,6 +153,7 @@ typedef struct SpiceImage {
         SpiceLZRGBData      lz_rgb;
         SpiceLZPLTData      lz_plt;
         SpiceJPEGData       jpeg;
+        SpiceLZ4Data        lz4;
         SpiceZlibGlzRGBData zlib_glz;
         SpiceJPEGAlphaData  jpeg_alpha;
     } u;
@@ -224,6 +224,26 @@ typedef struct SpiceRop3 {
     SpiceQMask mask;
 } SpiceRop3;
 
+/* Given in 16.16 fixed point */
+typedef struct SpiceTransform {
+    uint32_t t00;
+    uint32_t t01;
+    uint32_t t02;
+    uint32_t t10;
+    uint32_t t11;
+    uint32_t t12;
+} SpiceTransform;
+
+typedef struct SpiceComposite {
+    uint32_t flags;
+    SpiceImage *src_bitmap;
+    SpiceImage *mask_bitmap;
+    SpiceTransform src_transform;
+    SpiceTransform mask_transform;
+    SpicePoint16 src_origin;
+    SpicePoint16 mask_origin;
+} SpiceComposite;
+
 typedef struct SpiceBlackness {
     SpiceQMask mask;
 } SpiceBlackness, SpiceInvers, SpiceWhiteness;
@@ -274,8 +294,12 @@ typedef struct SpiceCursorHeader {
     uint16_t hot_spot_y;
 } SpiceCursorHeader;
 
-#ifdef __cplusplus
+static inline int spice_image_descriptor_is_lossy(const SpiceImageDescriptor *descriptor)
+{
+    return descriptor->type == SPICE_IMAGE_TYPE_JPEG ||
+           descriptor->type == SPICE_IMAGE_TYPE_JPEG_ALPHA;
 }
-#endif
 
-#endif /* _H_SPICE_DRAW */
+SPICE_END_DECLS
+
+#endif // H_SPICE_COMMON_DRAW

common/lines.c

@@ -45,9 +45,7 @@ ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 SOFTWARE.
 
 ******************************************************************/
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #include <stdio.h>
 #include <spice/macros.h>
@@ -84,7 +82,7 @@ typedef struct lineGC *GCPtr;
 #define miWideDash spice_canvas_wide_dash_line
 #define miWideLine spice_canvas_wide_line
 
-static INLINE int ICEIL (double x)
+static inline int ICEIL (double x)
 {
     int _cTmp = (int)x;
     return ((x == _cTmp) || (x < 0.0)) ? _cTmp : _cTmp + 1;
@@ -412,7 +410,7 @@ miStepDash (int dist,           /* distance to step */
     totallen = 0;
     for (i = 0; i < numInDashList; i++)
         totallen += pDash[i];
-    if (totallen <= dist)
+    if (totallen > 0 && totallen <= dist)
         dist = dist % totallen;
     while (dist >= pDash[dashIndex]) {
         dist -= pDash[dashIndex];
@@ -806,14 +804,14 @@ miFillUniqueSpanGroup (GCPtr pGC, SpanGroup * spanGroup, Boolean foreground)
                         newwidths = xrealloc (newspans->widths,
                                               ysizes[index] * sizeof (int));
                         if (!newpoints || !newwidths) {
-                            int i;
-
                             for (i = 0; i < ylength; i++) {
                                 xfree (yspans[i].points);
                                 xfree (yspans[i].widths);
                             }
                             xfree (yspans);
                             xfree (ysizes);
+                            xfree (newpoints);
+                            xfree (newwidths);
                             miDisposeSpanGroup (spanGroup);
                             return;
                         }
@@ -836,8 +834,6 @@ miFillUniqueSpanGroup (GCPtr pGC, SpanGroup * spanGroup, Boolean foreground)
         points = (DDXPointRec*)xalloc (count * sizeof (DDXPointRec));
         widths = (int *)xalloc (count * sizeof (int));
         if (!points || !widths) {
-            int i;
-
             for (i = 0; i < ylength; i++) {
                 xfree (yspans[i].points);
                 xfree (yspans[i].widths);
@@ -929,7 +925,7 @@ end of the line, we will find the largest number of Y steps that
 satisfies the inequality.  In that case, since we are representing
 the Y steps as (dy - N), we will actually want to solve for the
 smallest N in that equation.
-
+
 Case 1:  X major, starting X coordinate moved by M steps
 
                 -2dx <= 2Mdy - 2Ndx - dx - B < 0
@@ -977,7 +973,7 @@ steps, so we want the highest N, so we use the < inequality:
           = floor((2Mdy + dx + B + 2dx - 1) / 2dx) - 1
           = floor((2Mdy + dx + B + 2dx - 1 - 2dx) / 2dx)
           = floor((2Mdy + dx + B - 1) / 2dx)
-
+
 Case 3: Y major, starting X coordinate moved by M steps
 
                 -2dy <= 2Ndx - 2Mdy - dy - B < 0
@@ -1023,7 +1019,7 @@ Same analysis as Case 4, but we want the smallest number of Y steps
 which means the largest N, so we use the <= inequality:
 
         N = floor((2Mdy + dy - B) / 2dx)
-
+
 Now let's try the Y coordinates, we have the same 4 cases.
 
 Case 5: X major, starting Y coordinate moved by N steps
@@ -1068,7 +1064,7 @@ Same derivations as Case 6, but we want the smallest # of X steps
 which means the largest M, so use the <= inequality:
 
         M = floor((2Ndx + dx - B) / 2dy)
-
+
 Case 7: Y major, starting Y coordinate moved by N steps
 
                 -2dy <= 2Ndx - 2Mdy - dy - B < 0
@@ -1113,7 +1109,7 @@ steps which means the largest M, so we use the < inequality:
           = floor((2Ndx + dy + B + 2dy - 1) / 2dy) - 1
           = floor((2Ndx + dy + B + 2dy - 1 - 2dy) / 2dy)
           = floor((2Ndx + dy + B - 1) / 2dy)
-
+
 So, our equations are:
 
         1:  X major move x1 to x1+M     floor((2Mdy + dx - B) / 2dx)
@@ -1826,7 +1822,7 @@ miFillRectPolyHelper (GCPtr pGC, Boolean foreground, SpanDataPtr spanData, int x
 }
 
 static int
-miPolyBuildEdge (double x0, double y0, double k,        /* x0 * dy - y0 * dx */
+miPolyBuildEdge (SPICE_GNUC_UNUSED double x0, double y0, double k, /* x0 * dy - y0 * dx */
                  int dx, int dy, int xi, int yi, int left, PolyEdgePtr edge)
 {
     int x, y, e;
@@ -1837,15 +1833,6 @@ miPolyBuildEdge (double x0, double y0, double k,        /* x0 * dy - y0 * dx */
         dx = -dx;
         k = -k;
     }
-#ifdef NOTDEF
-    {
-        double realk, kerror;
-        realk = x0 * dy - y0 * dx;
-        kerror = Fabs (realk - k);
-        if (kerror > .1)
-            printf ("realk: %g k: %g\n", realk, k);
-    }
-#endif
     y = ICEIL (y0);
     xady = ICEIL (k) + y * dx;
 
@@ -1970,7 +1957,11 @@ miPolyBuildPoly (PolyVertexPtr vertices,
 }
 
 static void
-miLineOnePoint (GCPtr pGC, Boolean foreground, SpanDataPtr spanData, int x, int y)
+miLineOnePoint (GCPtr pGC,
+                Boolean foreground,
+                SPICE_GNUC_UNUSED SpanDataPtr spanData,
+                int x,
+                int y)
 {
     DDXPointRec pt;
     int wid;
@@ -2430,7 +2421,7 @@ miLineArc (GCPtr pGC,
     int xorgi = 0, yorgi = 0;
     Spans spanRec;
     int n;
-    PolyEdgeRec edge1, edge2;
+    PolyEdgeRec edge1 = { 0 }, edge2 = { 0 };
     int edgey1, edgey2;
     Boolean edgeleft1, edgeleft2;
 
@@ -2501,13 +2492,18 @@ miLineArc (GCPtr pGC,
 }
 
 static void
-miLineProjectingCap (GCPtr pGC, Boolean foreground,
+miLineProjectingCap (GCPtr pGC,
-                     SpanDataPtr spanData, LineFacePtr face, Boolean isLeft,
+                     Boolean foreground,
-                     double xorg, double yorg, Boolean isInt)
+                     SpanDataPtr spanData,
+                     LineFacePtr face,
+                     Boolean isLeft,
+                     SPICE_GNUC_UNUSED double xorg,
+                     SPICE_GNUC_UNUSED double yorg,
+                     Boolean isInt)
 {
     int xorgi = 0, yorgi = 0;
     int lw;
-    PolyEdgeRec lefts[2], rights[2];
+    PolyEdgeRec lefts[4], rights[4];
     int lefty, righty, topy, bottomy;
     PolyEdgePtr left, right;
     PolyEdgePtr top, bottom;
@@ -2665,7 +2661,7 @@ miWideSegment (GCPtr pGC,
     PolyEdgePtr top, bottom;
     int lefty, righty, topy, bottomy;
     int signdx;
-    PolyEdgeRec lefts[2], rights[2];
+    PolyEdgeRec lefts[4], rights[4];
     LineFacePtr tface;
     int lw = pGC->lineWidth;
 
@@ -2980,9 +2976,9 @@ miWideDashSegment (GCPtr pGC,
     double L, l;
     double k;
     PolyVertexRec vertices[4];
-    PolyVertexRec saveRight = { 0 }, saveBottom;
+    PolyVertexRec saveRight = { 0, 0 }, saveBottom;
     PolySlopeRec slopes[4];
-    PolyEdgeRec left[2], right[2];
+    PolyEdgeRec left[4], right[4];
     LineFaceRec lcapFace, rcapFace;
     int nleft, nright;
     int h;

common/lines.h

@@ -46,17 +46,17 @@ SOFTWARE.
 
 ******************************************************************/
 
-#ifndef LINES_H
+#ifndef H_SPICE_COMMON_LINES
-#define LINES_H
+#define H_SPICE_COMMON_LINES
 
-#include <pixman_utils.h>
 #include <stdlib.h>
 #include <string.h>
+#include <spice/macros.h>
+
+#include "pixman_utils.h"
 #include "draw.h"
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
 
 typedef struct lineGC lineGC;
 
@@ -131,8 +131,6 @@ extern int spice_canvas_clip_spans(pixman_region32_t *clip_region,
                                    int *new_widths,
                                    int sorted);
 
-#ifdef __cplusplus
+SPICE_END_DECLS
-}
-#endif
 
-#endif /* LINES_H */
+#endif // H_SPICE_COMMON_LINES

common/log.c

@@ -0,0 +1,71 @@
+/*
+   Copyright (C) 2012-2015 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include <glib.h>
+#include <stdlib.h>
+#include <common/recorder.h>
+
+#include "log.h"
+#include "backtrace.h"
+
+#define G_LOG_DOMAIN "Spice"
+
+SPICE_CONSTRUCTOR_FUNC(spice_log_init)
+{
+    recorder_dump_on_common_signals(0, 0);
+}
+
+G_GNUC_PRINTF(5, 0)
+static void spice_logv(const char *log_domain,
+                       GLogLevelFlags log_level,
+                       const char *strloc,
+                       const char *function,
+                       const char *format,
+                       va_list args)
+{
+    GString *log_msg;
+
+    log_msg = g_string_new(NULL);
+    if (strloc && function) {
+        g_string_append_printf(log_msg, "%s:%s: ", strloc, function);
+    }
+    if (format) {
+        g_string_append_vprintf(log_msg, format, args);
+    }
+    g_log(log_domain, log_level, "%s", log_msg->str);
+    g_string_free(log_msg, TRUE);
+
+    if ((log_level & G_LOG_LEVEL_CRITICAL) != 0) {
+        spice_backtrace();
+        abort();
+    }
+}
+
+void spice_log(GLogLevelFlags log_level,
+               const char *strloc,
+               const char *function,
+               const char *format,
+               ...)
+{
+    va_list args;
+
+    va_start (args, format);
+    spice_logv (G_LOG_DOMAIN, log_level, strloc, function, format, args);
+    va_end (args);
+}

common/log.h

@@ -0,0 +1,110 @@
+/*
+   Copyright (C) 2012 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef H_SPICE_COMMON_LOG
+#define H_SPICE_COMMON_LOG
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <glib.h>
+#include <spice/macros.h>
+
+#include "macros.h"
+
+SPICE_BEGIN_DECLS
+
+#ifdef SPICE_LOG_DOMAIN
+#error Do not use obsolete SPICE_LOG_DOMAIN macro, is currently unused
+#endif
+
+#define SPICE_STRLOC  __FILE__ ":" G_STRINGIFY (__LINE__)
+
+void spice_log(GLogLevelFlags log_level,
+               const char *strloc,
+               const char *function,
+               const char *format,
+               ...) G_GNUC_PRINTF(4, 5);
+
+/* FIXME: name is misleading, this aborts.. */
+#define spice_return_if_fail(x) G_STMT_START {                          \
+    if G_LIKELY(x) { } else {                                           \
+        spice_critical("condition `%s' failed", #x);                    \
+        return;                                                         \
+    }                                                                   \
+} G_STMT_END
+
+/* FIXME: name is misleading, this aborts.. */
+#define spice_return_val_if_fail(x, val) G_STMT_START {                 \
+    if G_LIKELY(x) { } else {                                           \
+        spice_critical("condition `%s' failed", #x);                    \
+        return (val);                                                   \
+    }                                                                   \
+} G_STMT_END
+
+#define spice_warn_if_reached() G_STMT_START {                          \
+    spice_log(G_LOG_LEVEL_WARNING, SPICE_STRLOC, __FUNCTION__, "should not be reached"); \
+} G_STMT_END
+
+#define spice_info(...) G_STMT_START {                                  \
+    spice_log(G_LOG_LEVEL_INFO, SPICE_STRLOC, __FUNCTION__, "" __VA_ARGS__); \
+} G_STMT_END
+
+#define spice_debug(...) G_STMT_START {                                 \
+    spice_log(G_LOG_LEVEL_DEBUG, SPICE_STRLOC, __FUNCTION__, "" __VA_ARGS__); \
+} G_STMT_END
+
+#define spice_warning(...) G_STMT_START {                               \
+    spice_log(G_LOG_LEVEL_WARNING, SPICE_STRLOC, __FUNCTION__, "" __VA_ARGS__); \
+} G_STMT_END
+
+#define spice_critical(...) G_STMT_START {                              \
+    spice_log(G_LOG_LEVEL_CRITICAL, SPICE_STRLOC, __FUNCTION__, "" __VA_ARGS__); \
+    SPICE_UNREACHABLE;                                                  \
+} G_STMT_END
+
+#define spice_error(...) G_STMT_START {                                 \
+    spice_log(G_LOG_LEVEL_ERROR, SPICE_STRLOC, __FUNCTION__, "" __VA_ARGS__); \
+    SPICE_UNREACHABLE;                                                  \
+} G_STMT_END
+
+#define spice_warn_if_fail(x) G_STMT_START {            \
+    if G_LIKELY(x) { } else {                           \
+        spice_warning("condition `%s' failed", #x);     \
+    }                                                   \
+} G_STMT_END
+
+#define spice_assert(x) G_STMT_START {                  \
+    if G_LIKELY(x) { } else {                           \
+        spice_error("assertion `%s' failed", #x);       \
+    }                                                   \
+} G_STMT_END
+
+#if ENABLE_EXTRA_CHECKS
+enum { spice_extra_checks = 1 };
+#else
+enum { spice_extra_checks = 0 };
+#endif
+
+#define spice_extra_assert(x) G_STMT_START {            \
+    if (!spice_extra_checks || G_LIKELY(x)) { } else {  \
+        spice_error("assertion `%s' failed", #x);       \
+    }                                                   \
+} G_STMT_END
+
+SPICE_END_DECLS
+
+#endif // H_SPICE_COMMON_LOG

common/lz.c

@@ -43,29 +43,16 @@
    SOFTWARE.
 
 */
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #include "lz.h"
 
-#define DEBUG
-
-#ifdef DEBUG
-
-#define ASSERT(usr, x) \
-    if (!(x)) (usr)->error(usr, "%s: ASSERT %s failed\n", __FUNCTION__, #x);
-
-#else
-
-#define ASSERT(usr, x)
-
-#endif
-
 #define HASH_LOG 13
 #define HASH_SIZE (1 << HASH_LOG)
 #define HASH_MASK (HASH_SIZE - 1)
 
+/* Maximum image size, mainly to avoid possible integer overflows */
+#define SPICE_MAX_IMAGE_SIZE (1024 * 1024 * 1024 - 1)
 
 typedef struct LzImageSegment LzImageSegment;
 struct LzImageSegment {
@@ -102,7 +89,6 @@ typedef struct Encoder {
     // (2) a pointer to the first byte in the segment that matches the word
     HashEntry htab[HASH_SIZE];
 
-    uint8_t            *io_start;
     uint8_t            *io_now;
     uint8_t            *io_end;
     size_t io_bytes_count;
@@ -113,7 +99,7 @@ typedef struct Encoder {
 /****************************************************/
 /* functions for managing the pool of image segments*/
 /****************************************************/
-static INLINE LzImageSegment *lz_alloc_image_seg(Encoder *encoder);
+static inline LzImageSegment *lz_alloc_image_seg(Encoder *encoder);
 static void lz_reset_image_seg(Encoder *encoder);
 static int lz_read_image_segments(Encoder *encoder, uint8_t *first_lines,
                                   unsigned int num_first_lines);
@@ -121,7 +107,7 @@ static int lz_read_image_segments(Encoder *encoder, uint8_t *first_lines,
 
 // return a free image segment if one exists. Make allocation if needed. adds it to the
 // tail of the image segments lists
-static INLINE LzImageSegment *lz_alloc_image_seg(Encoder *encoder)
+static inline LzImageSegment *lz_alloc_image_seg(Encoder *encoder)
 {
     LzImageSegment *ret;
 
@@ -148,7 +134,7 @@ static INLINE LzImageSegment *lz_alloc_image_seg(Encoder *encoder)
 }
 
 // adding seg to the head of free segments (lz_reset_image_seg removes it from used ones)
-static INLINE void __lz_free_image_seg(Encoder *encoder, LzImageSegment *seg)
+static inline void __lz_free_image_seg(Encoder *encoder, LzImageSegment *seg)
 {
     seg->next = encoder->free_image_segs;
     encoder->free_image_segs = seg;
@@ -184,7 +170,7 @@ static int lz_read_image_segments(Encoder *encoder, uint8_t *first_lines,
     uint8_t* lines = first_lines;
     int row;
 
-    ASSERT(encoder->usr, !encoder->head_image_segs);
+    spice_return_val_if_fail(!encoder->head_image_segs, FALSE);
 
     image_seg = lz_alloc_image_seg(encoder);
     if (!image_seg) {
@@ -224,7 +210,7 @@ error_1:
 /**************************************************************************
 * Handling encoding and decoding of a byte
 ***************************************************************************/
-static INLINE int more_io_bytes(Encoder *encoder)
+static inline int more_io_bytes(Encoder *encoder)
 {
     uint8_t *io_ptr;
     int num_io_bytes = encoder->usr->more_space(encoder->usr, &io_ptr);
@@ -234,20 +220,20 @@ static INLINE int more_io_bytes(Encoder *encoder)
     return num_io_bytes;
 }
 
-static INLINE void encode(Encoder *encoder, uint8_t byte)
+static inline void encode(Encoder *encoder, uint8_t byte)
 {
     if (encoder->io_now == encoder->io_end) {
         if (more_io_bytes(encoder) <= 0) {
             encoder->usr->error(encoder->usr, "%s: no more bytes\n", __FUNCTION__);
         }
-        ASSERT(encoder->usr, encoder->io_now);
+        spice_return_if_fail(encoder->io_now);
     }
 
-    ASSERT(encoder->usr, encoder->io_now < encoder->io_end);
+    spice_return_if_fail(encoder->io_now < encoder->io_end);
     *(encoder->io_now++) = byte;
 }
 
-static INLINE void encode_32(Encoder *encoder, unsigned int word)
+static inline void encode_32(Encoder *encoder, unsigned int word)
 {
     encode(encoder, (uint8_t)(word >> 24));
     encode(encoder, (uint8_t)(word >> 16) & 0x0000ff);
@@ -255,37 +241,32 @@ static INLINE void encode_32(Encoder *encoder, unsigned int word)
     encode(encoder, (uint8_t)(word & 0x0000ff));
 }
 
-static INLINE void encode_copy_count(Encoder *encoder, uint8_t copy_count)
+static inline void encode_copy_count(Encoder *encoder, uint8_t copy_count)
 {
     encode(encoder, copy_count);
     encoder->io_last_copy = encoder->io_now - 1; // io_now cannot be the first byte of the buffer
 }
 
-static INLINE void update_copy_count(Encoder *encoder, uint8_t copy_count)
+static inline void update_copy_count(Encoder *encoder, uint8_t copy_count)
 {
-    ASSERT(encoder->usr, encoder->io_last_copy);
+    spice_return_if_fail(encoder->io_last_copy);
     *(encoder->io_last_copy) = copy_count;
 }
 
-static INLINE void encode_level(Encoder *encoder, uint8_t level_code)
-{
-    *(encoder->io_start) |= level_code;
-}
-
 // decrease the io ptr by 1
-static INLINE void compress_output_prev(Encoder *encoder)
+static inline void compress_output_prev(Encoder *encoder)
 {
     // io_now cannot be the first byte of the buffer
     encoder->io_now--;
     // the function should be called only when copy count is written unnecessarily by lz_compress
-    ASSERT(encoder->usr, encoder->io_now == encoder->io_last_copy)
+    spice_return_if_fail(encoder->io_now == encoder->io_last_copy);
 }
 
 static int encoder_reset(Encoder *encoder, uint8_t *io_ptr, uint8_t *io_ptr_end)
 {
-    ASSERT(encoder->usr, io_ptr <= io_ptr_end);
+    spice_return_val_if_fail(io_ptr <= io_ptr_end, FALSE);
+
     encoder->io_bytes_count = io_ptr_end - io_ptr;
-    encoder->io_start = io_ptr;
     encoder->io_now = io_ptr;
     encoder->io_end = io_ptr_end;
     encoder->io_last_copy = NULL;
@@ -293,20 +274,20 @@ static int encoder_reset(Encoder *encoder, uint8_t *io_ptr, uint8_t *io_ptr_end)
     return TRUE;
 }
 
-static INLINE uint8_t decode(Encoder *encoder)
+static inline uint8_t decode(Encoder *encoder)
 {
     if (encoder->io_now == encoder->io_end) {
         int num_io_bytes = more_io_bytes(encoder);
         if (num_io_bytes <= 0) {
             encoder->usr->error(encoder->usr, "%s: no more bytes\n", __FUNCTION__);
         }
-        ASSERT(encoder->usr, encoder->io_now);
+        spice_assert(encoder->io_now);
     }
-    ASSERT(encoder->usr, encoder->io_now < encoder->io_end);
+    spice_assert(encoder->io_now < encoder->io_end);
     return *(encoder->io_now++);
 }
 
-static INLINE uint32_t decode_32(Encoder *encoder)
+static inline uint32_t decode_32(Encoder *encoder)
 {
     uint32_t word = 0;
     word |= decode(encoder);
@@ -319,7 +300,7 @@ static INLINE uint32_t decode_32(Encoder *encoder)
     return word;
 }
 
-static INLINE int is_io_to_decode_end(Encoder *encoder)
+static inline int is_io_to_decode_end(Encoder *encoder)
 {
     if (encoder->io_now != encoder->io_end) {
         return FALSE;
@@ -393,30 +374,23 @@ void lz_destroy(LzContext *lz)
 #endif
 
 
-#ifdef __GNUC__
+#include <spice/start-packed.h>
-#define ATTR_PACKED __attribute__ ((__packed__))
-#else
-#define ATTR_PACKED
-#pragma pack(push)
-#pragma pack(1)
-#endif
-
 
 /* the palette images will be treated as one byte pixels. Their width should be transformed
    accordingly.
 */
-typedef struct ATTR_PACKED one_byte_pixel_t {
+typedef struct SPICE_ATTR_PACKED one_byte_pixel_t {
     uint8_t a;
 } one_byte_pixel_t;
 
-typedef struct ATTR_PACKED rgb32_pixel_t {
+typedef struct SPICE_ATTR_PACKED rgb32_pixel_t {
     uint8_t b;
     uint8_t g;
     uint8_t r;
     uint8_t pad;
 } rgb32_pixel_t;
 
-typedef struct ATTR_PACKED rgb24_pixel_t {
+typedef struct SPICE_ATTR_PACKED rgb24_pixel_t {
     uint8_t b;
     uint8_t g;
     uint8_t r;
@@ -424,11 +398,7 @@ typedef struct ATTR_PACKED rgb24_pixel_t {
 
 typedef uint16_t rgb16_pixel_t;
 
-#ifndef __GNUC__
+#include <spice/end-packed.h>
-#pragma pack(pop)
-#endif
-
-#undef ATTR_PACKED
 
 
 #define MAX_COPY 32
@@ -476,6 +446,13 @@ typedef uint16_t rgb16_pixel_t;
 #define TO_RGB32
 #include "lz_decompress_tmpl.c"
 
+#define LZ_A8
+#include "lz_compress_tmpl.c"
+#define LZ_A8
+#include "lz_decompress_tmpl.c"
+#define LZ_A8
+#define TO_RGB32
+#include "lz_decompress_tmpl.c"
 
 #define LZ_RGB16
 #include "lz_compress_tmpl.c"
@@ -504,6 +481,44 @@ typedef uint16_t rgb16_pixel_t;
 #undef LZ_UNEXPECT_CONDITIONAL
 #undef LZ_EXPECT_CONDITIONAL
 
+static void lz_set_sizes(Encoder *encoder, int type, int width, int height, int stride)
+{
+    if (width < 0) {
+        encoder->usr->error(encoder->usr, "invalid lz width %d\n", width);
+    }
+    if (height < 0) {
+        encoder->usr->error(encoder->usr, "invalid lz height %d\n", height);
+    }
+    if (stride < 0) {
+        encoder->usr->error(encoder->usr, "invalid lz stride %d\n", stride);
+    }
+
+    if (IS_IMAGE_TYPE_PLT[type]) {
+        if (stride > (width / PLT_PIXELS_PER_BYTE[type])) {
+            if (((width % PLT_PIXELS_PER_BYTE[type]) == 0) || (
+                    (stride - (width / PLT_PIXELS_PER_BYTE[type])) > 1)) {
+                encoder->usr->error(encoder->usr, "stride overflows (plt)\n");
+            }
+        }
+    } else {
+        if (stride != width * RGB_BYTES_PER_PIXEL[type]) {
+            encoder->usr->error(encoder->usr, "stride != width*bytes_per_pixel (rgb) %d != %d * %d (%d)\n",
+                                stride, width, RGB_BYTES_PER_PIXEL[type],
+                                type);
+        }
+    }
+
+    // avoid too big images
+    if ((uint64_t) stride * height > SPICE_MAX_IMAGE_SIZE) {
+        encoder->usr->error(encoder->usr, "image too large\n");
+    }
+
+    encoder->type = type;
+    encoder->width = width;
+    encoder->height = height;
+    encoder->stride = stride;
+}
+
 int lz_encode(LzContext *lz, LzImageType type, int width, int height, int top_down,
               uint8_t *lines, unsigned int num_lines, int stride,
               uint8_t *io_ptr, unsigned int num_io_bytes)
@@ -511,23 +526,7 @@ int lz_encode(LzContext *lz, LzImageType type, int width, int height, int top_do
     Encoder *encoder = (Encoder *)lz;
     uint8_t *io_ptr_end = io_ptr + num_io_bytes;
 
-    encoder->type = type;
+    lz_set_sizes(encoder, type, width, height, stride);
-    encoder->width = width;
-    encoder->height = height;
-    encoder->stride = stride;
-
-    if (IS_IMAGE_TYPE_PLT[encoder->type]) {
-        if (encoder->stride > (width / PLT_PIXELS_PER_BYTE[encoder->type])) {
-            if (((width % PLT_PIXELS_PER_BYTE[encoder->type]) == 0) || (
-                    (encoder->stride - (width / PLT_PIXELS_PER_BYTE[encoder->type])) > 1)) {
-                encoder->usr->error(encoder->usr, "stride overflows (plt)\n");
-            }
-        }
-    } else {
-        if (encoder->stride != width * RGB_BYTES_PER_PIXEL[encoder->type]) {
-            encoder->usr->error(encoder->usr, "stride != width*bytes_per_pixel (rgb)\n");
-        }
-    }
 
     // assign the output buffer
     if (!encoder_reset(encoder, io_ptr, io_ptr_end)) {
@@ -571,6 +570,9 @@ int lz_encode(LzContext *lz, LzImageType type, int width, int height, int top_do
     case LZ_IMAGE_TYPE_XXXA:
         lz_rgb_alpha_compress(encoder);
         break;
+    case LZ_IMAGE_TYPE_A8:
+        lz_a8_compress(encoder);
+        break;
     case LZ_IMAGE_TYPE_INVALID:
     default:
         encoder->usr->error(encoder->usr, "bad image type\n");
@@ -610,10 +612,15 @@ void lz_decode_begin(LzContext *lz, uint8_t *io_ptr, unsigned int num_io_bytes,
         encoder->usr->error(encoder->usr, "bad version\n");
     }
 
-    encoder->type = (LzImageType)decode_32(encoder);
+    int type = decode_32(encoder);
-    encoder->width = decode_32(encoder);
+    if (type <= LZ_IMAGE_TYPE_INVALID || type > LZ_IMAGE_TYPE_A8) {
-    encoder->height = decode_32(encoder);
+        encoder->usr->error(encoder->usr, "invalid lz type %d\n", type);
-    encoder->stride = decode_32(encoder);
+    }
+    int width = decode_32(encoder);
+    int height = decode_32(encoder);
+    int stride = decode_32(encoder);
+    lz_set_sizes(encoder, type, width, height, stride);
+
     *out_top_down = decode_32(encoder);
 
     *out_width = encoder->width;
@@ -646,6 +653,7 @@ void lz_decode(LzContext *lz, LzImageType to_type, uint8_t *buf)
             if (!encoder->palette) {
                 encoder->usr->error(encoder->usr,
                                     "a palette is missing (for bpp to rgb decoding)\n");
+                return;
             }
             switch (encoder->type) {
             case LZ_IMAGE_TYPE_PLT1_BE:
@@ -707,7 +715,7 @@ void lz_decode(LzContext *lz, LzImageType to_type, uint8_t *buf)
             if (encoder->type == to_type) {
                 out_size = lz_rgb32_decompress(encoder, (rgb32_pixel_t *)buf, size);
                 alpha_size = lz_rgb_alpha_decompress(encoder, (rgb32_pixel_t *)buf, size);
-                ASSERT(encoder->usr, alpha_size == size);
+                spice_assert(alpha_size == size);
             } else {
                 encoder->usr->error(encoder->usr, "unsupported output format\n");
             }
@@ -720,6 +728,17 @@ void lz_decode(LzContext *lz, LzImageType to_type, uint8_t *buf)
                 encoder->usr->error(encoder->usr, "unsupported output format\n");
             }
             break;
+        case LZ_IMAGE_TYPE_A8:
+            if (encoder->type == to_type) {
+                alpha_size = lz_a8_decompress(encoder, (one_byte_pixel_t *)buf, size);
+                out_size = alpha_size;
+            } else if (to_type == LZ_IMAGE_TYPE_RGB32) {
+                alpha_size = lz_a8_to_rgb32_decompress(encoder, (rgb32_pixel_t *)buf, size);
+                out_size = alpha_size;
+            } else {
+                encoder->usr->error(encoder->usr, "unsupported output format\n");
+            }
+            break;
         case LZ_IMAGE_TYPE_PLT1_LE:
         case LZ_IMAGE_TYPE_PLT1_BE:
         case LZ_IMAGE_TYPE_PLT4_LE:
@@ -731,8 +750,8 @@ void lz_decode(LzContext *lz, LzImageType to_type, uint8_t *buf)
         }
     }
 
-    ASSERT(encoder->usr, is_io_to_decode_end(encoder));
+    spice_assert(is_io_to_decode_end(encoder));
-    ASSERT(encoder->usr, out_size == size);
+    spice_assert(out_size == size);
 
     if (out_size != size) {
         encoder->usr->error(encoder->usr, "bad decode size\n");

common/lz.h

@@ -3,24 +3,26 @@
         dictionary compression for images based on fastlz (http://www.fastlz.org/)
         (Distributed under MIT license).
 */
-#ifndef __LZ_H
+#ifndef H_SPICE_COMMON_LZ
-#define __LZ_H
+#define H_SPICE_COMMON_LZ
+
+#include <spice/macros.h>
 
 #include "lz_common.h"
 #include "lz_config.h"
 #include "draw.h"
+#include "macros.h"
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
 
 typedef void *LzContext;
 
 typedef struct LzUsrContext LzUsrContext;
 struct LzUsrContext {
-    void (*error)(LzUsrContext *usr, const char *fmt, ...);
+    SPICE_GNUC_NORETURN
-    void (*warn)(LzUsrContext *usr, const char *fmt, ...);
+    SPICE_GNUC_PRINTF(2, 3) void (*error)(LzUsrContext *usr, const char *fmt, ...);
-    void (*info)(LzUsrContext *usr, const char *fmt, ...);
+    SPICE_GNUC_PRINTF(2, 3) void (*warn)(LzUsrContext *usr, const char *fmt, ...);
+    SPICE_GNUC_PRINTF(2, 3) void (*info)(LzUsrContext *usr, const char *fmt, ...);
     void    *(*malloc)(LzUsrContext *usr, int size);
     void (*free)(LzUsrContext *usr, void *ptr);
     int (*more_space)(LzUsrContext *usr, uint8_t **io_ptr);     // get the next chunk of the
@@ -75,8 +77,6 @@ LzContext *lz_create(LzUsrContext *usr);
 
 void lz_destroy(LzContext *lz);
 
-#ifdef __cplusplus
+SPICE_END_DECLS
-}
-#endif
 
-#endif  // __LZ_H
+#endif // H_SPICE_COMMON_LZ

common/lz_common.h

@@ -20,14 +20,13 @@
 
 /*common header for encoder and decoder*/
 
-#ifndef _LZ_COMMON_H
+#ifndef H_SPICE_COMMON_LZ_COMMON
-#define _LZ_COMMON_H
+#define H_SPICE_COMMON_LZ_COMMON
 
-#ifdef __cplusplus
+#include <spice/macros.h>
-extern "C" {
+#include "verify.h"
-#endif
 
-//#define DEBUG
+SPICE_BEGIN_DECLS
 
 /* change the max window size will require change in the encoding format*/
 #define LZ_MAX_WINDOW_SIZE (1 << 25)
@@ -44,26 +43,30 @@ typedef enum {
     LZ_IMAGE_TYPE_RGB24,
     LZ_IMAGE_TYPE_RGB32,
     LZ_IMAGE_TYPE_RGBA,
-    LZ_IMAGE_TYPE_XXXA
+    LZ_IMAGE_TYPE_XXXA,
+    LZ_IMAGE_TYPE_A8
 } LzImageType;
 
 #define LZ_IMAGE_TYPE_MASK 0x0f
 #define LZ_IMAGE_TYPE_LOG 4 // number of bits required for coding the image type
 
 /* access to the arrays is based on the image types */
-static const int IS_IMAGE_TYPE_PLT[] = {0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0};
+static const int IS_IMAGE_TYPE_PLT[] = {0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0};
-static const int IS_IMAGE_TYPE_RGB[] = {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1};
+static const int IS_IMAGE_TYPE_RGB[] = {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1};
 static const int PLT_PIXELS_PER_BYTE[] = {0, 8, 8, 2, 2, 1};
-static const int RGB_BYTES_PER_PIXEL[] = {0, 1, 1, 1, 1, 1, 2, 3, 4, 4, 4};
+static const int RGB_BYTES_PER_PIXEL[] = {0, 1, 1, 1, 1, 1, 2, 3, 4, 4, 4, 1};
 
+verify(SPICE_N_ELEMENTS(IS_IMAGE_TYPE_PLT) == (LZ_IMAGE_TYPE_A8 + 1));
+verify(SPICE_N_ELEMENTS(IS_IMAGE_TYPE_RGB) == (LZ_IMAGE_TYPE_A8 + 1));
+verify(SPICE_N_ELEMENTS(PLT_PIXELS_PER_BYTE) == (LZ_IMAGE_TYPE_PLT8 + 1));
+verify(SPICE_N_ELEMENTS(RGB_BYTES_PER_PIXEL) == (LZ_IMAGE_TYPE_A8 + 1));
 
-#define LZ_MAGIC (*(uint32_t *)"LZ  ")
+/* ASCII "LZ  " */
+#define LZ_MAGIC 0x20205a4c
 #define LZ_VERSION_MAJOR 1U
 #define LZ_VERSION_MINOR 1U
 #define LZ_VERSION ((LZ_VERSION_MAJOR << 16) | (LZ_VERSION_MINOR & 0xffff))
 
-#ifdef __cplusplus
+SPICE_END_DECLS
-}
-#endif
 
-#endif  // _LZ_COMMON_H
+#endif // H_SPICE_COMMON_LZ_COMMON

common/lz_compress_tmpl.c

@@ -40,11 +40,9 @@
    SOFTWARE.
 
 */
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
-#define DJB2_START 5381;
+#define DJB2_START 5381
 #define DJB2_HASH(hash, c) (hash = ((hash << 5) + hash) ^ (c)) //|{hash = ((hash << 5) + hash) + c;}
 
 /*
@@ -71,6 +69,21 @@
     }
 #endif
 
+#ifdef LZ_A8
+#define PIXEL one_byte_pixel_t
+#define FNAME(name) lz_a8_##name
+#define ENCODE_PIXEL(e, pix) encode(e, (pix).a)   // gets the pixel and write only the needed bytes
+                                                  // from the pixel
+#define SAME_PIXEL(pix1, pix2) ((pix1).a == (pix2).a)
+#define HASH_FUNC(v, p) {  \
+    v = DJB2_START;        \
+    DJB2_HASH(v, p[0].a);  \
+    DJB2_HASH(v, p[1].a);  \
+    DJB2_HASH(v, p[2].a);  \
+    v &= HASH_MASK;        \
+    }
+#endif
+
 #ifdef LZ_RGB_ALPHA
 //#undef LZ_RGB_ALPHA
 #define PIXEL rgb32_pixel_t
@@ -90,9 +103,8 @@
 #ifdef LZ_RGB16
 #define PIXEL rgb16_pixel_t
 #define FNAME(name) lz_rgb16_##name
-#define GET_r(pix) (((pix) >> 10) & 0x1f)
+#define GET_rgb(pix) ((pix) & 0x7fffu)
-#define GET_g(pix) (((pix) >> 5) & 0x1f)
+#define SAME_PIXEL(p1, p2) (GET_rgb(p1) == GET_rgb(p2))
-#define GET_b(pix) ((pix) & 0x1f)
 #define ENCODE_PIXEL(e, pix) {encode(e, (pix) >> 8); encode(e, (pix) & 0xff);}
 
 #define HASH_FUNC(v, p) {                 \
@@ -110,20 +122,17 @@
 #ifdef LZ_RGB24
 #define PIXEL rgb24_pixel_t
 #define FNAME(name) lz_rgb24_##name
-#define ENCODE_PIXEL(e, pix) {encode(e, (pix).b); encode(e, (pix).g); encode(e, (pix).r);}
 #endif
 
 #ifdef LZ_RGB32
 #define PIXEL rgb32_pixel_t
 #define FNAME(name) lz_rgb32_##name
-#define ENCODE_PIXEL(e, pix) {encode(e, (pix).b); encode(e, (pix).g); encode(e, (pix).r);}
 #endif
 
 
 #if  defined(LZ_RGB24) || defined(LZ_RGB32)
-#define GET_r(pix) ((pix).r)
+#define ENCODE_PIXEL(e, pix) {encode(e, (pix).b); encode(e, (pix).g); encode(e, (pix).r);}
-#define GET_g(pix) ((pix).g)
+#define SAME_PIXEL(p1, p2) ((p1).r == (p2).r && (p1).g == (p2).g && (p1).b == (p2).b)
-#define GET_b(pix) ((pix).b)
 #define HASH_FUNC(v, p) {    \
     v = DJB2_START;          \
     DJB2_HASH(v, p[0].r);    \
@@ -139,12 +148,6 @@
     }
 #endif
 
-#if defined(LZ_RGB16) || defined(LZ_RGB24) || defined(LZ_RGB32)
-#define SAME_PIXEL(p1, p2) (GET_r(p1) == GET_r(p2) && GET_g(p1) == GET_g(p2) && \
-                            GET_b(p1) == GET_b(p2))
-
-#endif
-
 #define PIXEL_ID(pix_ptr, seg_ptr) (pix_ptr - ((PIXEL *)seg_ptr->lines) + seg_ptr->size_delta)
 
 // when encoding, the ref can be in previous segment, and we should check that it doesn't
@@ -177,7 +180,7 @@ static void FNAME(compress_seg)(Encoder *encoder, LzImageSegment *seg, PIXEL *fr
         size_t distance;
 
         /* minimum match length */
-#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA)
+#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA) || defined(LZ_A8)
         size_t len = 3;
 #elif defined(LZ_RGB16)
         size_t len = 2;
@@ -199,9 +202,7 @@ static void FNAME(compress_seg)(Encoder *encoder, LzImageSegment *seg, PIXEL *fr
                 ip += 3;
                 ref = anchor + 2;
                 ref_limit = (PIXEL *)(seg->lines_end);
-#if defined(LZ_RGB16) || defined(LZ_RGB24) || defined(LZ_RGB32)
+
-                len = 3;
-#endif
                 goto match;
             }
         }
@@ -234,7 +235,7 @@ static void FNAME(compress_seg)(Encoder *encoder, LzImageSegment *seg, PIXEL *fr
         ip++;
 
         /* minimum match length for rgb16 is 2 and for plt and alpha is 3 */
-#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA) || defined(LZ_RGB16)
+#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA) || defined(LZ_RGB16) || defined(LZ_A8)
         if (!SAME_PIXEL(*ref, *ip)) {
             ref++;
             ip++;
@@ -244,7 +245,7 @@ static void FNAME(compress_seg)(Encoder *encoder, LzImageSegment *seg, PIXEL *fr
         ip++;
 #endif
 
-#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA)
+#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA) || defined(LZ_A8)
         if (!SAME_PIXEL(*ref, *ip)) {
             ref++;
             ip++;
@@ -255,7 +256,7 @@ static void FNAME(compress_seg)(Encoder *encoder, LzImageSegment *seg, PIXEL *fr
 #endif
         /* far, needs at least 5-byte match */
         if (distance >= MAX_DISTANCE) {
-#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA)
+#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA) || defined(LZ_A8)
             if (ref >= (ref_limit - 1)) {
                 goto literal;
             }
@@ -272,7 +273,7 @@ static void FNAME(compress_seg)(Encoder *encoder, LzImageSegment *seg, PIXEL *fr
             ref++;
             ip++;
             len++;
-#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA)
+#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA) || defined(LZ_A8)
             if (!SAME_PIXEL(*ref, *ip)) {
                 ref++;
                 ip++;
@@ -310,7 +311,6 @@ match:        // RLE or dictionary (both are encoded by distance from ref (-1) a
             // TODO: maybe separate a run from the same seg or from different ones in order
             //       to spare ref < ref_limit and that way we can also perform 8 calls of
             //       (ref++ != ip++) outside a loop
-            for (;;) {
             while ((ip < ip_bound) && (ref < ref_limit)) {
                 if (!SAME_PIXEL(*ref, *ip)) {
                     ref++;
@@ -321,8 +321,6 @@ match:        // RLE or dictionary (both are encoded by distance from ref (-1) a
                     ip++;
                 }
             }
-                break;
-            }
         }
 
         /* if we have copied something, adjust the copy count */
@@ -393,27 +391,23 @@ match:        // RLE or dictionary (both are encoded by distance from ref (-1) a
 
         /* update the hash at match boundary */
 #if defined(LZ_RGB16) || defined(LZ_RGB24) || defined(LZ_RGB32)
-        if (ip > anchor) {
+        if (ip > anchor)
 #endif
+        {
             HASH_FUNC(hval, ip);
             encoder->htab[hval].ref = (uint8_t *)ip;
-        ip++;
             encoder->htab[hval].image_seg = seg;
-#if defined(LZ_RGB16) || defined(LZ_RGB24) || defined(LZ_RGB32)
-    } else {ip++;
         }
-#endif
+        ip++;
 #if defined(LZ_RGB24) || defined(LZ_RGB32)
-        if (ip > anchor) {
+        if (ip > anchor)
 #endif
+        {
             HASH_FUNC(hval, ip);
             encoder->htab[hval].ref = (uint8_t *)ip;
-        ip++;
             encoder->htab[hval].image_seg = seg;
-#if defined(LZ_RGB24) || defined(LZ_RGB32)
-    } else {ip++;
         }
-#endif
+        ip++;
         /* assuming literal copy */
         encode_copy_count(encoder, MAX_COPY - 1);
         continue;
@@ -513,17 +507,11 @@ static void FNAME(compress)(Encoder *encoder)
 #undef PIXEL
 #undef ENCODE_PIXEL
 #undef SAME_PIXEL
-#undef LZ_READU16
 #undef HASH_FUNC
-#undef BYTES_TO_16
+#undef GET_rgb
-#undef HASH_FUNC_16
-#undef GET_r
-#undef GET_g
-#undef GET_b
-#undef GET_CODE
 #undef LZ_PLT
 #undef LZ_RGB_ALPHA
 #undef LZ_RGB16
 #undef LZ_RGB24
 #undef LZ_RGB32
-#undef HASH_FUNC2
+#undef LZ_A8

common/lz_config.h

@@ -18,8 +18,8 @@
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */
 
-#ifndef __LZ_CONFIG_H
+#ifndef H_SPICE_COMMON_LZ_CONFIG
-#define __LZ_CONFIG_H
+#define H_SPICE_COMMON_LZ_CONFIG
 
 #include <spice/types.h>
 #include <spice/macros.h>
@@ -36,4 +36,4 @@
 #endif  // QXLDD
 #endif  //__GNUC__
 
-#endif  //__LZ_CONFIG_H
+#endif // H_SPICE_COMMON_LZ_CONFIG

common/lz_decompress_tmpl.c

@@ -59,9 +59,7 @@
     COPY_COMP_PIXEL(encoder, out) - copies pixel from the compressed buffer to the decompressed
                                     buffer. Increases out.
 */
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #if !defined(LZ_RGB_ALPHA)
 #define COPY_PIXEL(p, out) (*out++ = p)
@@ -153,6 +151,26 @@
 #endif // TO_RGB32
 #endif
 
+#ifndef CAST_PLT_DISTANCE
+#define CAST_PLT_DISTANCE(dist) (dist)
+#endif
+
+#ifdef LZ_A8
+#ifndef TO_RGB32
+#define OUT_PIXEL one_byte_pixel_t
+#define FNAME(name) lz_a8_##name
+#define COPY_COMP_PIXEL(encoder, out) {out->a = decode(encoder); out++;}
+#else // TO_RGB32
+#define OUT_PIXEL rgb32_pixel_t
+#define FNAME(name) lz_a8_to_rgb32_##name
+#define COPY_COMP_PIXEL(encoder, out) {                     \
+        (out)->b = (out)->g = (out)->r = 0;                 \
+        (out)->pad = decode(encoder);                       \
+        (out)++;                                            \
+    }
+#endif
+#endif
+
 #ifdef LZ_RGB16
 #ifndef TO_RGB32
 #define OUT_PIXEL rgb16_pixel_t
@@ -204,18 +222,18 @@
 static size_t FNAME(decompress)(Encoder *encoder, OUT_PIXEL *out_buf, int size)
 {
     OUT_PIXEL    *op = out_buf;
-    OUT_PIXEL    *op_limit = out_buf + size;
+    OUT_PIXEL    *const op_limit = out_buf + size;
-    uint32_t ctrl = decode(encoder);
-    int loop = TRUE;
 
-    do {
+    for (;;) {
-        const OUT_PIXEL *ref = op;
+        uint32_t ctrl = decode(encoder);
-        uint32_t len = ctrl >> 5;
-        uint32_t ofs = (ctrl & 31) << 8; // 5 MSb of distance
 
         if (ctrl >= MAX_COPY) { // reference (dictionary/RLE)
             /* retrieving the reference and the match length */
 
+            const OUT_PIXEL *ref = op;
+            uint32_t len = ctrl >> 5;
+            uint32_t ofs = (ctrl & 31) << 8; // 5 MSb of distance
+
             uint8_t code;
             len--;
             //ref -= ofs;
@@ -237,7 +255,7 @@ static size_t FNAME(decompress)(Encoder *encoder, OUT_PIXEL *out_buf, int size)
                 }
             }
 
-#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA)
+#if defined(LZ_PLT) || defined(LZ_RGB_ALPHA) || defined(LZ_A8)
             len += 3; // length is biased by 2 + 1 (fixing bias)
 #elif defined(LZ_RGB16)
             len += 2; // length is biased by 1 + 1 (fixing bias)
@@ -246,17 +264,13 @@ static size_t FNAME(decompress)(Encoder *encoder, OUT_PIXEL *out_buf, int size)
 #endif
             ofs += 1; // offset is biased by 1       (fixing bias)
 
-#if defined(TO_RGB32)
-#if defined(PLT4_BE) || defined(PLT4_LE) || defined(PLT1_BE) || defined(PLT1_LE)
             ofs = CAST_PLT_DISTANCE(ofs);
             len = CAST_PLT_DISTANCE(len);
-#endif
-#endif
             ref -= ofs;
 
-            ASSERT(encoder->usr, op + len <= op_limit);
+            spice_assert(op + len <= op_limit);
-            ASSERT(encoder->usr, ref + len <= op_limit);
+            spice_assert(ref + len <= op_limit);
-            ASSERT(encoder->usr, ref >= out_buf);
+            spice_assert(ref >= out_buf);
 
             // TODO: optimize by not calling loop at least 3 times when not PLT_TO_RGB32 (len is
             //       always >=3). in PLT_TO_RGB32 len >= 3*number_of_pixels_per_byte
@@ -267,41 +281,31 @@ static size_t FNAME(decompress)(Encoder *encoder, OUT_PIXEL *out_buf, int size)
                                           //       because the number of pixel copied is larger
                                           //       then one...
                 /* optimize copy for a run */
-                OUT_PIXEL b = *ref;
+                const OUT_PIXEL b = *ref;
                 for (; len; --len) {
                     COPY_PIXEL(b, op);
-                    ASSERT(encoder->usr, op <= op_limit);
+                    spice_extra_assert(op <= op_limit);
                 }
             } else {
                 for (; len; --len) {
                     COPY_REF_PIXEL(ref, op);
-                    ASSERT(encoder->usr, op <= op_limit);
+                    spice_extra_assert(op <= op_limit);
                 }
             }
         } else { // copy
             ctrl++; // copy count is biased by 1
-#if defined(TO_RGB32) && (defined(PLT4_BE) || defined(PLT4_LE) || defined(PLT1_BE) || \
+            spice_assert(op + CAST_PLT_DISTANCE(ctrl) <= op_limit);
-                                                                                   defined(PLT1_LE))
+
-            ASSERT(encoder->usr, op + CAST_PLT_DISTANCE(ctrl) <= op_limit);
+            do {
-#else
-            ASSERT(encoder->usr, op + ctrl <= op_limit);
-#endif
                 COPY_COMP_PIXEL(encoder, op);
-
+                spice_extra_assert(op <= op_limit);
-            ASSERT(encoder->usr, op <= op_limit);
+            } while(--ctrl);
-
-            for (--ctrl; ctrl; ctrl--) {
-                COPY_COMP_PIXEL(encoder, op);
-                ASSERT(encoder->usr, op <= op_limit);
-            }
         }
 
-        if (LZ_EXPECT_CONDITIONAL(op < op_limit)) {
+        if (LZ_UNEXPECT_CONDITIONAL(op >= op_limit)) {
-            ctrl = decode(encoder);
+            break;
-        } else {
+        }
-            loop = FALSE;
     }
-    } while (LZ_EXPECT_CONDITIONAL(loop));
 
     return (op - out_buf);
 }
@@ -315,6 +319,7 @@ static size_t FNAME(decompress)(Encoder *encoder, OUT_PIXEL *out_buf, int size)
 #undef LZ_RGB16
 #undef LZ_RGB24
 #undef LZ_RGB32
+#undef LZ_A8
 #undef LZ_RGB_ALPHA
 #undef TO_RGB32
 #undef OUT_PIXEL

common/macros.h

@@ -0,0 +1,56 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2009 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef H_SPICE_COMMON_MACROS
+#define H_SPICE_COMMON_MACROS
+
+#include "verify.h"
+
+#ifdef __GNUC__
+#define SPICE_CONSTRUCTOR_FUNC(func_name) \
+    static void __attribute__((constructor)) func_name(void)
+#define SPICE_DESTRUCTOR_FUNC(func_name) \
+    static void __attribute__((destructor)) func_name(void)
+#elif defined(_MSC_VER)
+#define SPICE_CONSTRUCTOR_FUNC(func_name) \
+    static void func_name(void); \
+    static int func_name ## _wrapper(void) { func_name(); return 0; } \
+    __pragma(section(".CRT$XCU",read)) \
+    __declspec(allocate(".CRT$XCU")) static int (* _array ## func_name)(void) = func_name ## _wrapper; \
+    static void func_name(void)
+#define SPICE_DESTRUCTOR_FUNC(func_name) \
+    static void func_name(void); \
+    static int func_name ## _wrapper(void) { func_name(); return 0; } \
+    __pragma(section(".CRT$XPU",read)) \
+    __declspec(allocate(".CRT$XPU")) static int (* _array ## func_name)(void) = func_name ## _wrapper; \
+    static void func_name(void)
+#else
+#error Please implement SPICE_CONSTRUCTOR_FUNC and SPICE_DESTRUCTOR_FUNC for this compiler
+#endif
+
+#define SPICE_VERIFY(cond) verify_expr(cond, (void)1)
+
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
+#define SPICE_UNREACHABLE __builtin_unreachable()
+#elif defined(_MSC_VER)
+#define SPICE_UNREACHABLE __assume(0)
+#else
+#define SPICE_UNREACHABLE for(;;) continue
+#endif
+
+#endif // H_SPICE_COMMON_MACROS

common/marshaller.c

@@ -15,34 +15,60 @@
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
+#include "log.h"
 #include "marshaller.h"
 #include "mem.h"
 #include <string.h>
 #include <stdlib.h>
 #include <assert.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#include <spice/start-packed.h>
+typedef struct SPICE_ATTR_PACKED {
+    int16_t val;
+} int16_unaligned_t;
+
+typedef struct SPICE_ATTR_PACKED {
+    uint16_t val;
+} uint16_unaligned_t;
+
+typedef struct SPICE_ATTR_PACKED {
+    int32_t val;
+} int32_unaligned_t;
+
+typedef struct SPICE_ATTR_PACKED {
+    uint32_t val;
+} uint32_unaligned_t;
+
+typedef struct SPICE_ATTR_PACKED {
+    int64_t val;
+} int64_unaligned_t;
+
+typedef struct SPICE_ATTR_PACKED {
+    uint64_t val;
+} uint64_unaligned_t;
+#include <spice/end-packed.h>
+
+#define write_int8(ptr,v) (*(int8_t *)(ptr) = v)
+#define write_uint8(ptr,v) (*(uint8_t *)(ptr) = v)
 
 #ifdef WORDS_BIGENDIAN
-#define write_int8(ptr,v) (*((int8_t *)(ptr)) = v)
+#define write_int16(ptr,v) (((uint16_unaligned_t *)(ptr))->val = SPICE_BYTESWAP16((uint16_t)(v)))
-#define write_uint8(ptr,v) (*((uint8_t *)(ptr)) = v)
+#define write_uint16(ptr,v) (((uint16_unaligned_t *)(ptr))->val = SPICE_BYTESWAP16((uint16_t)(v)))
-#define write_int16(ptr,v) (*((int16_t *)(ptr)) = SPICE_BYTESWAP16((uint16_t)(v)))
+#define write_int32(ptr,v) (((uint32_unaligned_t *)(ptr))->val = SPICE_BYTESWAP32((uint32_t)(v)))
-#define write_uint16(ptr,v) (*((uint16_t *)(ptr)) = SPICE_BYTESWAP16((uint16_t)(v)))
+#define write_uint32(ptr,v) (((uint32_unaligned_t *)(ptr))->val = SPICE_BYTESWAP32((uint32_t)(v)))
-#define write_int32(ptr,v) (*((int32_t *)(ptr)) = SPICE_BYTESWAP32((uint32_t)(v)))
+#define write_int64(ptr,v) (((uint64_unaligned_t *)(ptr))->val = SPICE_BYTESWAP64((uint64_t)(v)))
-#define write_uint32(ptr,v) (*((uint32_t *)(ptr)) = SPICE_BYTESWAP32((uint32_t)(v)))
+#define write_uint64(ptr,v) (((uint64_unaligned_t *)(ptr))->val = SPICE_BYTESWAP64((uint64_t)(v)))
-#define write_int64(ptr,v) (*((int64_t *)(ptr)) = SPICE_BYTESWAP64((uint64_t)(v)))
-#define write_uint64(ptr,v) (*((uint64_t *)(ptr)) = SPICE_BYTESWAP64((uint64_t)(v)))
 #else
-#define write_int8(ptr,v) (*((int8_t *)(ptr)) = v)
+#define write_int16(ptr,v) (((int16_unaligned_t *)(ptr))->val = v)
-#define write_uint8(ptr,v) (*((uint8_t *)(ptr)) = v)
+#define write_uint16(ptr,v) (((uint16_unaligned_t *)(ptr))->val = v)
-#define write_int16(ptr,v) (*((int16_t *)(ptr)) = v)
+#define write_int32(ptr,v) (((int32_unaligned_t *)(ptr))->val = v)
-#define write_uint16(ptr,v) (*((uint16_t *)(ptr)) = v)
+#define write_uint32(ptr,v) (((uint32_unaligned_t *)(ptr))->val = v)
-#define write_int32(ptr,v) (*((int32_t *)(ptr)) = v)
+#define write_int64(ptr,v) (((int64_unaligned_t *)(ptr))->val = v)
-#define write_uint32(ptr,v) (*((uint32_t *)(ptr)) = v)
+#define write_uint64(ptr,v) (((uint64_unaligned_t *)(ptr))->val = v)
-#define write_int64(ptr,v) (*((int64_t *)(ptr)) = v)
-#define write_uint64(ptr,v) (*((uint64_t *)(ptr)) = v)
 #endif
 
 typedef struct {
@@ -68,7 +94,6 @@ typedef struct SpiceMarshallerData SpiceMarshallerData;
 typedef struct {
     SpiceMarshaller *marshaller;
     int item_nr;
-    int is_64bit;
     size_t offset;
 } MarshallerRef;
 
@@ -80,25 +105,26 @@ struct SpiceMarshaller {
     MarshallerRef pointer_ref;
 
     int n_items;
-    int items_size; /* number of items availible in items */
+    int items_size; /* number of items available in items */
     MarshallerItem *items;
 
     MarshallerItem static_items[N_STATIC_ITEMS];
+    int num_fd;
+    int fd[4];
 };
 
 struct SpiceMarshallerData {
     size_t total_size;
     size_t base;
-    SpiceMarshaller *marshallers;
     SpiceMarshaller *last_marshaller;
 
     size_t current_buffer_position;
     MarshallerBuffer *current_buffer;
     MarshallerItem *current_buffer_item;
-    MarshallerBuffer *buffers;
 
-    SpiceMarshaller static_marshaller;
+    // first marshaller and buffer are statically allocated here
-    MarshallerBuffer static_buffer;
+    SpiceMarshaller marshallers[1];
+    MarshallerBuffer buffers[1];
 };
 
 static void spice_marshaller_init(SpiceMarshaller *m,
@@ -111,6 +137,8 @@ static void spice_marshaller_init(SpiceMarshaller *m,
     m->n_items = 0;
     m->items_size = N_STATIC_ITEMS;
     m->items = m->static_items;
+    m->fd[0] = m->fd[1] = m->fd[2] = m->fd[3] = -1;
+    m->num_fd = 0;
 }
 
 SpiceMarshaller *spice_marshaller_new(void)
@@ -120,16 +148,15 @@ SpiceMarshaller *spice_marshaller_new(void)
 
     d = spice_new(SpiceMarshallerData, 1);
 
-    d->last_marshaller = d->marshallers = &d->static_marshaller;
+    d->last_marshaller = d->marshallers;
     d->total_size = 0;
     d->base = 0;
-    d->buffers = &d->static_buffer;
     d->buffers->next = NULL;
     d->current_buffer = d->buffers;
     d->current_buffer_position = 0;
     d->current_buffer_item = NULL;
 
-    m = &d->static_marshaller;
+    m = d->marshallers;
     spice_marshaller_init(m, d);
 
     return m;
@@ -160,6 +187,7 @@ void spice_marshaller_reset(SpiceMarshaller *m)
 {
     SpiceMarshaller *m2, *next;
     SpiceMarshallerData *d;
+    int i;
 
     /* Only supported for root marshaller */
     assert(m->data->marshallers == m);
@@ -179,6 +207,14 @@ void spice_marshaller_reset(SpiceMarshaller *m)
     m->n_items = 0;
     m->total_size = 0;
 
+    for (i = 0; i < m->num_fd; i++) {
+        if (m->fd[i] >= 0) {
+            close(m->fd[i]);
+            m->fd[i] = -1;
+        }
+    }
+    m->num_fd = 0;
+
     d = m->data;
     d->last_marshaller = d->marshallers;
     d->total_size = 0;
@@ -238,6 +274,11 @@ static size_t remaining_buffer_size(SpiceMarshallerData *d)
     return MARSHALLER_BUFFER_SIZE - d->current_buffer_position;
 }
 
+static void reserve_space_free_data(uint8_t *data, SPICE_GNUC_UNUSED void *opaque)
+{
+    free(data);
+}
+
 uint8_t *spice_marshaller_reserve_space(SpiceMarshaller *m, size_t size)
 {
     MarshallerItem *item;
@@ -276,7 +317,7 @@ uint8_t *spice_marshaller_reserve_space(SpiceMarshaller *m, size_t size)
         /* Large item, allocate by itself */
         item->data = (uint8_t *)spice_malloc(size);
         item->len = size;
-        item->free_data = (spice_marshaller_item_free_func)free;
+        item->free_data = reserve_space_free_data;
         item->opaque = NULL;
     } else {
         /* Use next buffer */
@@ -310,7 +351,7 @@ void spice_marshaller_unreserve_space(SpiceMarshaller *m, size_t size)
     item->len -= size;
 }
 
-uint8_t *spice_marshaller_add_ref_full(SpiceMarshaller *m, uint8_t *data, size_t size,
+uint8_t *spice_marshaller_add_by_ref_full(SpiceMarshaller *m, uint8_t *data, size_t size,
                                           spice_marshaller_item_free_func free_data, void *opaque)
 {
     MarshallerItem *item;
@@ -333,7 +374,7 @@ uint8_t *spice_marshaller_add_ref_full(SpiceMarshaller *m, uint8_t *data, size_t
     return data;
 }
 
-uint8_t *spice_marshaller_add(SpiceMarshaller *m, uint8_t *data, size_t size)
+uint8_t *spice_marshaller_add(SpiceMarshaller *m, const uint8_t *data, size_t size)
 {
     uint8_t *ptr;
 
@@ -342,17 +383,20 @@ uint8_t *spice_marshaller_add(SpiceMarshaller *m, uint8_t *data, size_t size)
     return ptr;
 }
 
-uint8_t *spice_marshaller_add_ref(SpiceMarshaller *m, uint8_t *data, size_t size)
+uint8_t *spice_marshaller_add_by_ref(SpiceMarshaller *m, const uint8_t *data, size_t size)
 {
-    return spice_marshaller_add_ref_full(m, data, size, NULL, NULL);
+    /* the cast to no-const here is safe as data is used for writing only if
+     * free_data pointer is not NULL
+     */
+    return spice_marshaller_add_by_ref_full(m, (uint8_t *) data, size, NULL, NULL);
 }
 
-void spice_marshaller_add_ref_chunks(SpiceMarshaller *m, SpiceChunks *chunks)
+void spice_marshaller_add_chunks_by_ref(SpiceMarshaller *m, SpiceChunks *chunks)
 {
     unsigned int i;
 
     for (i = 0; i < chunks->num_chunks; i++) {
-        spice_marshaller_add_ref(m, chunks->chunk[i].data,
+        spice_marshaller_add_by_ref(m, chunks->chunk[i].data,
                                     chunks->chunk[i].len);
     }
 }
@@ -373,13 +417,13 @@ SpiceMarshaller *spice_marshaller_get_submarshaller(SpiceMarshaller *m)
     return m2;
 }
 
-SpiceMarshaller *spice_marshaller_get_ptr_submarshaller(SpiceMarshaller *m, int is_64bit)
+SpiceMarshaller *spice_marshaller_get_ptr_submarshaller(SpiceMarshaller *m)
 {
     SpiceMarshaller *m2;
     uint8_t *p;
     int size;
 
-    size = is_64bit ? 8 : 4;
+    size = 4;
 
     p = spice_marshaller_reserve_space(m, size);
     memset(p, 0, size);
@@ -387,12 +431,11 @@ SpiceMarshaller *spice_marshaller_get_ptr_submarshaller(SpiceMarshaller *m, int
     m2->pointer_ref.marshaller = m;
     m2->pointer_ref.item_nr = m->n_items - 1;
     m2->pointer_ref.offset = m->items[m->n_items - 1].len - size;
-    m2->pointer_ref.is_64bit = is_64bit;
 
     return m2;
 }
 
-uint8_t *lookup_ref(MarshallerRef *ref)
+static uint8_t *lookup_ref(MarshallerRef *ref)
 {
     MarshallerItem *item;
 
@@ -419,7 +462,7 @@ uint8_t *spice_marshaller_linearize(SpiceMarshaller *m, size_t skip_bytes,
     /* Only supported for root marshaller */
     assert(m->data->marshallers == m);
 
-    if (m->n_items == 1) {
+    if (m->n_items == 1 && m->next == NULL) {
         *free_res = FALSE;
         if (m->items[0].len <= skip_bytes) {
             *len = 0;
@@ -492,18 +535,19 @@ void spice_marshaller_flush(SpiceMarshaller *m)
     for (m2 = m; m2 != NULL; m2 = m2->next) {
         if (m2->pointer_ref.marshaller != NULL && m2->total_size > 0) {
             ptr_pos = lookup_ref(&m2->pointer_ref);
-            if (m2->pointer_ref.is_64bit) {
+            write_uint32(ptr_pos, spice_marshaller_get_offset(m2));
-                write_uint64(ptr_pos,
-                             spice_marshaller_get_offset(m2));
-            } else {
-                write_uint32(ptr_pos,
-                             spice_marshaller_get_offset(m2));
-            }
         }
     }
 }
 
-#ifndef WIN32
+#ifdef WIN32
+// this definition is ABI compatible with WSABUF
+struct iovec {
+    unsigned long iov_len;
+    void *iov_base;
+};
+#endif
+
 int spice_marshaller_fill_iovec(SpiceMarshaller *m, struct iovec *vec,
                                 int n_vec, size_t skip_bytes)
 {
@@ -525,7 +569,7 @@ int spice_marshaller_fill_iovec(SpiceMarshaller *m, struct iovec *vec,
             if (v == n_vec) {
                 return v; /* Not enough space in vec */
             }
-            vec[v].iov_base = (void *)item->data + skip_bytes;
+            vec[v].iov_base = (uint8_t *)item->data + skip_bytes;
             vec[v].iov_len = item->len - skip_bytes;
             skip_bytes = 0;
             v++;
@@ -535,7 +579,6 @@ int spice_marshaller_fill_iovec(SpiceMarshaller *m, struct iovec *vec,
 
     return v;
 }
-#endif
 
 void *spice_marshaller_add_uint64(SpiceMarshaller *m, uint64_t v)
 {
@@ -564,7 +607,7 @@ void *spice_marshaller_add_uint32(SpiceMarshaller *m, uint32_t v)
     return (void *)ptr;
 }
 
-void spice_marshaller_set_uint32(SpiceMarshaller *m, void *ref, uint32_t v)
+void spice_marshaller_set_uint32(SPICE_GNUC_UNUSED SpiceMarshaller *m, void *ref, uint32_t v)
 {
     write_uint32((uint8_t *)ref, v);
 }
@@ -613,3 +656,26 @@ void *spice_marshaller_add_int8(SpiceMarshaller *m, int8_t v)
     write_int8(ptr, v);
     return (void *)ptr;
 }
+
+void spice_marshaller_add_fd(SpiceMarshaller *m, int fd)
+{
+    spice_assert(m->num_fd < 4);
+
+    if (fd != -1) {
+        m->fd[m->num_fd] = dup(fd);
+        if (m->fd[m->num_fd] == -1) {
+            perror("dup");
+        }
+        m->num_fd++;
+    }
+}
+
+int spice_marshaller_get_fds(SpiceMarshaller *m, int fd[4])
+{
+    int num_fd = m->num_fd;
+
+    memcpy(fd, m->fd, sizeof(m->fd));
+    m->num_fd = 0;
+
+    return num_fd;
+}

common/marshaller.h

@@ -16,18 +16,20 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef _H_MARSHALLER
+#ifndef H_SPICE_COMMON_MARSHALLER
-#define _H_MARSHALLER
+#define H_SPICE_COMMON_MARSHALLER
 
+#include <stdbool.h>
+#include <spice/macros.h>
 #include <spice/types.h>
 #include "mem.h"
 #ifndef WIN32
 #include <sys/uio.h>
+#else
+struct iovec;
 #endif
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
 
 typedef struct SpiceMarshaller SpiceMarshaller;
 typedef void (*spice_marshaller_item_free_func)(uint8_t *data, void *opaque);
@@ -37,11 +39,11 @@ void spice_marshaller_reset(SpiceMarshaller *m);
 void spice_marshaller_destroy(SpiceMarshaller *m);
 uint8_t *spice_marshaller_reserve_space(SpiceMarshaller *m, size_t size);
 void spice_marshaller_unreserve_space(SpiceMarshaller *m, size_t size);
-uint8_t *spice_marshaller_add(SpiceMarshaller *m, uint8_t *data, size_t size);
+uint8_t *spice_marshaller_add(SpiceMarshaller *m, const uint8_t *data, size_t size);
-uint8_t *spice_marshaller_add_ref(SpiceMarshaller *m, uint8_t *data, size_t size);
+uint8_t *spice_marshaller_add_by_ref(SpiceMarshaller *m, const uint8_t *data, size_t size);
-uint8_t *spice_marshaller_add_ref_full(SpiceMarshaller *m, uint8_t *data, size_t size,
+uint8_t *spice_marshaller_add_by_ref_full(SpiceMarshaller *m, uint8_t *data, size_t size,
                                           spice_marshaller_item_free_func free_data, void *opaque);
-void     spice_marshaller_add_ref_chunks(SpiceMarshaller *m, SpiceChunks *chunks);
+void spice_marshaller_add_chunks_by_ref(SpiceMarshaller *m, SpiceChunks *chunks);
 void spice_marshaller_flush(SpiceMarshaller *m);
 void spice_marshaller_set_base(SpiceMarshaller *m, size_t base);
 uint8_t *spice_marshaller_linearize(SpiceMarshaller *m, size_t skip,
@@ -51,11 +53,9 @@ size_t spice_marshaller_get_offset(SpiceMarshaller *m);
 size_t spice_marshaller_get_size(SpiceMarshaller *m);
 size_t spice_marshaller_get_total_size(SpiceMarshaller *m);
 SpiceMarshaller *spice_marshaller_get_submarshaller(SpiceMarshaller *m);
-SpiceMarshaller *spice_marshaller_get_ptr_submarshaller(SpiceMarshaller *m, int is_64bit);
+SpiceMarshaller *spice_marshaller_get_ptr_submarshaller(SpiceMarshaller *m);
-#ifndef WIN32
 int spice_marshaller_fill_iovec(SpiceMarshaller *m, struct iovec *vec,
                                 int n_vec, size_t skip_bytes);
-#endif
 void *spice_marshaller_add_uint64(SpiceMarshaller *m, uint64_t v);
 void *spice_marshaller_add_int64(SpiceMarshaller *m, int64_t v);
 void *spice_marshaller_add_uint32(SpiceMarshaller *m, uint32_t v);
@@ -67,8 +67,9 @@ void *spice_marshaller_add_int8(SpiceMarshaller *m, int8_t v);
 
 void  spice_marshaller_set_uint32(SpiceMarshaller *m, void *ref, uint32_t v);
 
-#ifdef __cplusplus
+void  spice_marshaller_add_fd(SpiceMarshaller *m, int fd);
-}
+int   spice_marshaller_get_fds(SpiceMarshaller *m, int fd[4]);
-#endif
+
+SPICE_END_DECLS
 
 #endif

common/mem.c

@@ -15,20 +15,17 @@
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #include "mem.h"
-#include <stdlib.h>
+
-#include <stdio.h>
 #include <string.h>
 
 #ifndef MALLOC_ERROR
-#define MALLOC_ERROR(format, ...) {                             \
+#define MALLOC_ERROR(...) SPICE_STMT_START {    \
-    printf(format "\n", ## __VA_ARGS__);   \
+    spice_error(__VA_ARGS__);                   \
     abort();                                    \
-}
+} SPICE_STMT_END
 #endif
 
 size_t spice_strnlen(const char *str, size_t max_len)
@@ -46,13 +43,15 @@ size_t spice_strnlen(const char *str, size_t max_len)
 char *spice_strdup(const char *str)
 {
     char *copy;
+    size_t len;
 
     if (str == NULL) {
         return NULL;
     }
 
-    copy = (char *)spice_malloc(strlen(str) + 1);
+    len = strlen(str) + 1;
-    strcpy(copy, str);
+    copy = (char *)spice_malloc(len);
+    memcpy(copy, str, len);
     return copy;
 }
 
@@ -94,8 +93,7 @@ void *spice_malloc(size_t n_bytes)
             return mem;
         }
 
-        MALLOC_ERROR("spice_malloc: panic: unable to allocate %lu bytes\n",
+        MALLOC_ERROR("unable to allocate %lu bytes", (unsigned long)n_bytes);
-                     (unsigned long)n_bytes);
     }
     return NULL;
 }
@@ -111,8 +109,7 @@ void *spice_malloc0(size_t n_bytes)
             return mem;
         }
 
-        MALLOC_ERROR("spice_malloc0: panic: unable to allocate %lu bytes\n",
+        MALLOC_ERROR("unable to allocate %lu bytes", (unsigned long)n_bytes);
-                     (unsigned long)n_bytes);
     }
     return NULL;
 }
@@ -126,8 +123,7 @@ void *spice_realloc(void *mem, size_t n_bytes)
             return mem;
         }
 
-        MALLOC_ERROR("spice_realloc: panic: unable to allocate %lu bytes\n",
+        MALLOC_ERROR("unable to allocate %lu bytes", (unsigned long)n_bytes);
-                     (unsigned long)n_bytes);
     }
 
     free(mem);
@@ -140,7 +136,7 @@ void *spice_realloc(void *mem, size_t n_bytes)
 void *spice_malloc_n(size_t n_blocks, size_t n_block_bytes)
 {
     if (SIZE_OVERFLOWS (n_blocks, n_block_bytes)) {
-        MALLOC_ERROR("spice_malloc_n: overflow allocating %lu*%lu bytes",
+        MALLOC_ERROR("overflow allocating %lu*%lu bytes",
                      (unsigned long)n_blocks, (unsigned long)n_block_bytes);
     }
 
@@ -295,3 +291,25 @@ size_t spice_buffer_remove(SpiceBuffer *buffer, size_t len)
     buffer->offset -= len;
     return len;
 }
+
+#ifdef SPICE_DEBUG_ALIGNMENT
+void spice_alignment_warning(const char *loc, void *p, unsigned sz)
+{
+    static const char *last_loc = NULL;
+    if (loc != last_loc) {
+        last_loc = loc;
+        spice_log(G_LOG_LEVEL_WARNING, loc, __FUNCTION__,
+                  "Misaligned access at %p, alignment %u", p, sz);
+    }
+}
+
+void spice_alignment_debug(const char *loc, void *p, unsigned sz)
+{
+    static const char *last_loc = NULL;
+    if (loc != last_loc) {
+        last_loc = loc;
+        spice_log(G_LOG_LEVEL_DEBUG, loc, __FUNCTION__,
+                  "Expected misaligned access at %p, alignment %u", p, sz);
+    }
+}
+#endif // SPICE_DEBUG_ALIGNMENT

common/mem.h

@@ -16,19 +16,14 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef _H_MEM
+#ifndef H_SPICE_COMMON_MEM
-#define _H_MEM
+#define H_SPICE_COMMON_MEM
 
+#include "log.h"
 #include <stdlib.h>
 #include <spice/macros.h>
 
-#ifdef HAVE_CONFIG_H
+SPICE_BEGIN_DECLS
-# include <config.h>
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
 
 #ifdef STDC_HEADERS
 # include <stdlib.h>
@@ -134,7 +129,6 @@ size_t spice_strnlen(const char *str, size_t max_len);
 #else
 
 /* Unoptimized version: always call the _n() function. */
-
 #define _SPICE_NEW(struct_type, n_structs, func)                        \
     ((struct_type *) spice_##func##_n ((n_structs), sizeof (struct_type)))
 #define _SPICE_RENEW(struct_type, mem, n_structs, func)                 \
@@ -142,6 +136,46 @@ size_t spice_strnlen(const char *str, size_t max_len);
 
 #endif
 
+/* Cast to a type with stricter alignment constraints (to build with clang) */
+
+/* Misaligned cast to a type with stricter alignment */
+#ifndef SPICE_DEBUG_ALIGNMENT
+#define SPICE_UNALIGNED_CAST(type, value) ((type)(void *)(value))
+#define SPICE_ALIGNED_CAST(type, value)   ((type)(void *)(value))
+
+#else // SPICE_DEBUG_ALIGNMENT
+#define SPICE_ALIGNED_CAST(type, value)                                 \
+    ((type)spice_alignment_check(G_STRLOC,                              \
+                                 (void *)(value),                       \
+                                 __alignof(*((type)0))))
+
+#define SPICE_UNALIGNED_CAST(type, value)                               \
+    ((type)spice_alignment_weak_check(G_STRLOC,                         \
+                                      (void *)(value),                  \
+                                      __alignof(*((type)0))))
+
+extern void spice_alignment_warning(const char *loc, void *p, unsigned sz);
+extern void spice_alignment_debug(const char *loc, void *p, unsigned sz);
+
+static inline void *spice_alignment_check(const char *loc,
+                                          void *ptr, unsigned sz)
+{
+    if (G_UNLIKELY(((uintptr_t) ptr & (sz-1U)) != 0))
+        spice_alignment_warning(loc, ptr, sz);
+    return ptr;
+
+}
+
+static inline void *spice_alignment_weak_check(const char *loc,
+                                               void *ptr, unsigned sz)
+{
+    if (G_UNLIKELY(((uintptr_t) ptr & (sz-1U)) != 0))
+        spice_alignment_debug(loc, ptr, sz);
+    return ptr;
+
+}
+#endif // SPICE_DEBUG_ALIGNMENT
+
 #define spice_new(struct_type, n_structs) _SPICE_NEW(struct_type, n_structs, malloc)
 #define spice_new0(struct_type, n_structs) _SPICE_NEW(struct_type, n_structs, malloc0)
 #define spice_renew(struct_type, mem, n_structs) _SPICE_RENEW(struct_type, mem, n_structs, realloc)
@@ -156,7 +190,6 @@ void spice_buffer_append(SpiceBuffer *buffer, const void *data, size_t len);
 size_t spice_buffer_copy(SpiceBuffer *buffer, void *dest, size_t len);
 size_t spice_buffer_remove(SpiceBuffer *buffer, size_t len);
 
-#ifdef __cplusplus
+SPICE_END_DECLS
-}
+
-#endif
 #endif

common/meson.build

@@ -0,0 +1,194 @@
+#
+# libspice-common
+#
+spice_common_sources = [
+  'agent.c',
+  'agent.h',
+  'backtrace.c',
+  'backtrace.h',
+  'canvas_utils.c',
+  'canvas_utils.h',
+  'demarshallers.h',
+  'draw.h',
+  'lines.c',
+  'lines.h',
+  'log.c',
+  'log.h',
+  'lz.c',
+  'lz.h',
+  'lz_common.h',
+  'lz_config.h',
+  'macros.h',
+  'marshaller.c',
+  'marshaller.h',
+  'mem.c',
+  'mem.h',
+  'messages.h',
+  'pixman_utils.c',
+  'pixman_utils.h',
+  'quic.c',
+  'quic.h',
+  'quic_config.h',
+  'rect.h',
+  'region.c',
+  'region.h',
+  'ring.h',
+  'rop3.c',
+  'rop3.h',
+  'snd_codec.c',
+  'snd_codec.h',
+  'utils.c',
+  'utils.h',
+  'udev.c',
+  'udev.h',
+  'verify.h',
+  'recorder.h'
+]
+
+if get_option('instrumentation') == 'recorder'
+  spice_common_sources += [
+    'recorder/recorder.c',
+    'recorder/recorder.h',
+    'recorder/recorder_ring.c',
+    'recorder/recorder_ring.h'
+  ]
+endif
+if get_option('instrumentation') == 'agent'
+  spice_common_sources += [
+    'agent_interface.c',
+    'agent_interface.h'
+  ]
+endif
+
+spice_common_lib = static_library('spice-common', spice_common_sources,
+                                  install : false,
+                                  include_directories : spice_common_include,
+                                  dependencies : spice_common_deps)
+
+spice_common_dep = declare_dependency(link_with : spice_common_lib,
+                                      include_directories : spice_common_include,
+                                      dependencies : spice_common_deps)
+
+
+# client_demarshallers
+if spice_common_generate_client_code or spice_common_generate_server_code
+  codegen_cmd = [python, spice_codegen]
+  codegen_args = ['--generate-demarshallers',
+                  '--client',
+                  '--include', 'common/messages.h',
+                  '--generated-declaration-file', '@OUTPUT1@',
+                  '@INPUT@', '@OUTPUT0@']
+
+  client_demarshallers = custom_target('client_demarshallers',
+                                       input : [spice_proto],
+                                       output : ['generated_client_demarshallers.c', 'generated_messages.h'],
+                                       install : false,
+                                       command : [codegen_cmd, codegen_args],
+                                       depend_files : [spice_codegen_files, 'messages.h'])
+endif
+
+#
+# libspice-common-client
+#
+if spice_common_generate_client_code
+  # client_marshallers
+  codegen_args = ['--generate-marshallers',
+                  '--generate-header',
+                  '-P',
+                  '--client',
+                  '--include', 'common/client_marshallers.h',
+                  '@INPUT0@', '@OUTPUT0@']
+
+  client_marshallers = custom_target('client_marshallers',
+                                     input : [spice_proto, client_demarshallers],
+                                     output : ['generated_client_marshallers.c', 'generated_client_marshallers.h'],
+                                     install : false,
+                                     command : [codegen_cmd, codegen_args],
+                                     depend_files : [spice_codegen_files, 'client_marshallers.h'])
+
+  spice_common_client_sources = [
+    client_demarshallers,
+    client_marshallers,
+    'client_marshallers.h',
+    'ssl_verify.c',
+    'ssl_verify.h',
+  ]
+
+  spice_common_client_lib = static_library('spice-common-client', spice_common_client_sources,
+                                           install : false,
+                                           dependencies : [spice_common_dep, gio2_deps])
+
+  spice_common_client_dep = declare_dependency(sources : client_marshallers[1],
+                                               link_with : spice_common_client_lib,
+                                               dependencies : [spice_common_dep, gio2_deps])
+endif
+
+#
+# libspice-common-server
+#
+if spice_common_generate_server_code
+  structs_args = [
+   '-M', 'String',
+   '-M', 'Rect',
+   '-M', 'Point',
+   '-M', 'DisplayBase',
+   '-M', 'Fill',
+   '-M', 'Opaque',
+   '-M', 'Copy',
+   '-M', 'Blend',
+   '-M', 'Blackness',
+   '-M', 'Whiteness',
+   '-M', 'Invers',
+   '-M', 'Rop3',
+   '-M', 'Stroke',
+   '-M', 'Text',
+   '-M', 'Transparent',
+   '-M', 'AlphaBlend',
+   '-M', 'Composite',
+  ]
+
+  targets = [
+    { 'name' : 'server_demarshallers',
+      'input' : [ spice_proto, client_demarshallers ],
+      'output' : ['generated_server_demarshallers.c'],
+      'codegen_args' : ['--generate-demarshallers',
+                        '--server',
+                        '--include', 'common/messages.h',
+                        '@INPUT0@', '@OUTPUT0@'],
+    },
+    { 'name' : 'server_marshallers',
+      'input' : [ spice_proto, client_demarshallers ],
+      'output' : ['generated_server_marshallers.c', 'generated_server_marshallers.h'],
+      'codegen_args' : ['--generate-marshallers',
+                        '--generate-header',
+                        '--server',
+                        structs_args,
+                        '--include', 'common/messages.h',
+                        '@INPUT0@', '@OUTPUT0@']
+    },
+  ]
+
+  spice_common_server_sources = []
+  spice_common_server_dep_sources = []
+
+  foreach t : targets
+    target = custom_target(t['name'],
+                           input : t['input'],
+                           output : t['output'],
+                           install : false,
+                           command : [codegen_cmd, t['codegen_args']],
+                           depend_files : [spice_codegen_files, 'messages.h'])
+    spice_common_server_sources += target
+    if t['output'].length() > 1
+      spice_common_server_dep_sources += target[1]
+    endif
+  endforeach
+
+  spice_common_server_lib = static_library('spice-common-server', spice_common_server_sources,
+                                           install : false,
+                                           dependencies : spice_common_dep)
+
+  spice_common_server_dep = declare_dependency(sources : spice_common_server_dep_sources,
+                                               link_with : spice_common_server_lib,
+                                               dependencies : spice_common_dep)
+endif

common/messages.h

@@ -0,0 +1,73 @@
+/*
+   Copyright (C) 2009-2010 Red Hat, Inc.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+
+       * Redistributions of source code must retain the above copyright
+         notice, this list of conditions and the following disclaimer.
+       * Redistributions in binary form must reproduce the above copyright
+         notice, this list of conditions and the following disclaimer in
+         the documentation and/or other materials provided with the
+         distribution.
+       * Neither the name of the copyright holder nor the names of its
+         contributors may be used to endorse or promote products derived
+         from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
+   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+   PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef H_SPICE_COMMON_MESSAGES
+#define H_SPICE_COMMON_MESSAGES
+
+#include <spice/protocol.h>
+#include <spice/macros.h>
+
+#ifdef USE_SMARTCARD
+#include <libcacard.h>
+#endif
+
+#include "draw.h"
+
+SPICE_BEGIN_DECLS
+
+typedef struct SpiceMsgCompressedData {
+    uint8_t type;
+    uint32_t uncompressed_size;
+    uint32_t compressed_size;
+    uint8_t *compressed_data;
+} SpiceMsgCompressedData;
+
+#define SPICE_AGENT_MAX_DATA_SIZE 2048
+
+#ifdef USE_SMARTCARD
+typedef struct SpiceMsgSmartcard {
+    VSCMsgType type;
+    uint32_t length;
+    uint32_t reader_id;
+    uint8_t data[0];
+} SpiceMsgSmartcard;
+#endif
+
+#include <common/generated_messages.h>
+
+typedef SpiceMsgMainAgentTokens SpiceMsgcMainAgentTokens;
+typedef SpiceMsgMainAgentTokens SpiceMsgcMainAgentStart;
+typedef SpiceMsgDisplayDrawCopy SpiceMsgDisplayDrawBlend;
+typedef SpiceMsgPlaybackMode SpiceMsgcRecordMode;
+typedef SpiceMsgPlaybackPacket SpiceMsgcRecordPacket;
+
+SPICE_END_DECLS
+
+#endif // H_SPICE_COMMON_MESSAGES

common/pixman_utils.c

@@ -15,22 +15,26 @@
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #include "pixman_utils.h"
-#include "spice_common.h"
-#include <spice/macros.h>
 
-#include <stdlib.h>
 #include <string.h>
-#include <stdio.h>
 #include "mem.h"
 
+/*
+ * src is used for most OPs, hidden within _equation attribute. For some
+ * operations (such as "clear" and "noop") src is not used and then we have
+ * to add SPICE_GNUC_UNUSED, that's just a __attribute__((__unused__)), to
+ * make GCC happy.
+ * Also, according to GCC documentation [0], the unused attribute "(...) means
+ * that the variable is meant to be possibly unused. GCC does not produce a
+ * warning for this variable.". So, we are safe adding it, even if src is used
+ * for most OPs.
+ */
 #define SOLID_RASTER_OP(_name, _size, _type, _equation)  \
 static void                                        \
-solid_rop_ ## _name ## _ ## _size (_type *ptr, int len, _type src)  \
+solid_rop_ ## _name ## _ ## _size (_type *ptr, int len, SPICE_GNUC_UNUSED _type src)  \
 {                                                  \
     while (len--) {                                \
         _type dst = *ptr;                          \
@@ -206,12 +210,12 @@ void spice_pixman_fill_rect(pixman_image_t *dest,
     depth = spice_pixman_image_get_bpp(dest);
     /* stride is in bytes, depth in bits */
 
-    ASSERT(x >= 0);
+    spice_assert(x >= 0);
-    ASSERT(y >= 0);
+    spice_assert(y >= 0);
-    ASSERT(width > 0);
+    spice_assert(width > 0);
-    ASSERT(height > 0);
+    spice_assert(height > 0);
-    ASSERT(x + width <= pixman_image_get_width(dest));
+    spice_assert(x + width <= pixman_image_get_width(dest));
-    ASSERT(y + height <= pixman_image_get_height(dest));
+    spice_assert(y + height <= pixman_image_get_height(dest));
 
     if (pixman_fill(bits,
                     stride / 4,
@@ -231,7 +235,7 @@ void spice_pixman_fill_rect(pixman_image_t *dest,
         byte_width = 2 * width;
         value = (value & 0xffff) * 0x00010001;
     } else {
-        ASSERT (depth == 32)
+        spice_assert (depth == 32);
         byte_line = ((uint8_t *)bits) + stride * y + x * 4;
         byte_width = 4 * width;
     }
@@ -298,13 +302,13 @@ void spice_pixman_fill_rect_rop(pixman_image_t *dest,
     depth = spice_pixman_image_get_bpp(dest);
     /* stride is in bytes, depth in bits */
 
-    ASSERT(x >= 0);
+    spice_assert(x >= 0);
-    ASSERT(y >= 0);
+    spice_assert(y >= 0);
-    ASSERT(width > 0);
+    spice_assert(width > 0);
-    ASSERT(height > 0);
+    spice_assert(height > 0);
-    ASSERT(x + width <= pixman_image_get_width(dest));
+    spice_assert(x + width <= pixman_image_get_width(dest));
-    ASSERT(y + height <= pixman_image_get_height(dest));
+    spice_assert(y + height <= pixman_image_get_height(dest));
-    ASSERT(rop >= 0 && rop < 16);
+    spice_assert(rop < 16);
 
     if (depth == 8) {
         solid_rop_8_func_t rop_func = solid_rops_8[rop];
@@ -358,13 +362,13 @@ void spice_pixman_tile_rect(pixman_image_t *dest,
     tile_width = pixman_image_get_width(tile);
     tile_height = pixman_image_get_height(tile);
 
-    ASSERT(x >= 0);
+    spice_assert(x >= 0);
-    ASSERT(y >= 0);
+    spice_assert(y >= 0);
-    ASSERT(width > 0);
+    spice_assert(width > 0);
-    ASSERT(height > 0);
+    spice_assert(height > 0);
-    ASSERT(x + width <= pixman_image_get_width(dest));
+    spice_assert(x + width <= pixman_image_get_width(dest));
-    ASSERT(y + height <= pixman_image_get_height(dest));
+    spice_assert(y + height <= pixman_image_get_height(dest));
-    ASSERT(depth == spice_pixman_image_get_bpp(tile));
+    spice_assert(depth == spice_pixman_image_get_bpp(tile));
 
     tile_start_x = (x - offset_x) % tile_width;
     if (tile_start_x < 0) {
@@ -406,7 +410,7 @@ void spice_pixman_tile_rect(pixman_image_t *dest,
             }
         }
     }  else {
-        ASSERT (depth == 32);
+        spice_assert (depth == 32);
 
         byte_line = ((uint8_t *)bits) + stride * y + x * 4;
         tile_line = ((uint8_t *)tile_bits) + tile_stride * tile_start_y + tile_start_x * 4;
@@ -449,14 +453,14 @@ void spice_pixman_tile_rect_rop(pixman_image_t *dest,
     tile_width = pixman_image_get_width(tile);
     tile_height = pixman_image_get_height(tile);
 
-    ASSERT(x >= 0);
+    spice_assert(x >= 0);
-    ASSERT(y >= 0);
+    spice_assert(y >= 0);
-    ASSERT(width > 0);
+    spice_assert(width > 0);
-    ASSERT(height > 0);
+    spice_assert(height > 0);
-    ASSERT(x + width <= pixman_image_get_width(dest));
+    spice_assert(x + width <= pixman_image_get_width(dest));
-    ASSERT(y + height <= pixman_image_get_height(dest));
+    spice_assert(y + height <= pixman_image_get_height(dest));
-    ASSERT(rop >= 0 && rop < 16);
+    spice_assert(rop < 16);
-    ASSERT(depth == spice_pixman_image_get_bpp(tile));
+    spice_assert(depth == spice_pixman_image_get_bpp(tile));
 
     tile_start_x = (x - offset_x) % tile_width;
     if (tile_start_x < 0) {
@@ -504,7 +508,7 @@ void spice_pixman_tile_rect_rop(pixman_image_t *dest,
     }  else {
         tiled_rop_32_func_t rop_func = tiled_rops_32[rop];
 
-        ASSERT (depth == 32);
+        spice_assert (depth == 32);
 
         byte_line = ((uint8_t *)bits) + stride * y + x * 4;
         tile_line = ((uint8_t *)tile_bits) + tile_stride * tile_start_y + tile_start_x * 4;
@@ -536,6 +540,11 @@ void spice_pixman_blit(pixman_image_t *dest,
     uint8_t *src_line;
     int byte_width;
 
+    if (!src) {
+        fprintf(stderr, "missing src!");
+        return;
+    }
+
     bits = pixman_image_get_data(dest);
     stride = pixman_image_get_stride(dest);
     depth = spice_pixman_image_get_bpp(dest);
@@ -569,17 +578,17 @@ void spice_pixman_blit(pixman_image_t *dest,
         return;
     }
 
-    ASSERT(src_x >= 0);
+    spice_assert(src_x >= 0);
-    ASSERT(src_y >= 0);
+    spice_assert(src_y >= 0);
-    ASSERT(dest_x >= 0);
+    spice_assert(dest_x >= 0);
-    ASSERT(dest_y >= 0);
+    spice_assert(dest_y >= 0);
-    ASSERT(width > 0);
+    spice_assert(width > 0);
-    ASSERT(height > 0);
+    spice_assert(height > 0);
-    ASSERT(dest_x + width <= pixman_image_get_width(dest));
+    spice_assert(dest_x + width <= pixman_image_get_width(dest));
-    ASSERT(dest_y + height <= pixman_image_get_height(dest));
+    spice_assert(dest_y + height <= pixman_image_get_height(dest));
-    ASSERT(src_x + width <= pixman_image_get_width(src));
+    spice_assert(src_x + width <= pixman_image_get_width(src));
-    ASSERT(src_y + height <= pixman_image_get_height(src));
+    spice_assert(src_y + height <= pixman_image_get_height(src));
-    ASSERT(depth == src_depth);
+    spice_assert(depth == src_depth);
 
     if (pixman_blt(src_bits,
                    bits,
@@ -601,7 +610,7 @@ void spice_pixman_blit(pixman_image_t *dest,
         byte_width = width * 2;
         src_line = ((uint8_t *)src_bits) + src_stride * src_y + src_x * 2;
     }  else {
-        ASSERT (depth == 32);
+        spice_assert (depth == 32);
         byte_line = ((uint8_t *)bits) + stride * dest_y + dest_x * 4;
         byte_width = width * 4;
         src_line = ((uint8_t *)src_bits) + src_stride * src_y + src_x * 4;
@@ -660,17 +669,17 @@ void spice_pixman_blit_rop (pixman_image_t *dest,
         return;
     }
 
-    ASSERT(src_x >= 0);
+    spice_assert(src_x >= 0);
-    ASSERT(src_y >= 0);
+    spice_assert(src_y >= 0);
-    ASSERT(dest_x >= 0);
+    spice_assert(dest_x >= 0);
-    ASSERT(dest_y >= 0);
+    spice_assert(dest_y >= 0);
-    ASSERT(width > 0);
+    spice_assert(width > 0);
-    ASSERT(height > 0);
+    spice_assert(height > 0);
-    ASSERT(dest_x + width <= pixman_image_get_width(dest));
+    spice_assert(dest_x + width <= pixman_image_get_width(dest));
-    ASSERT(dest_y + height <= pixman_image_get_height(dest));
+    spice_assert(dest_y + height <= pixman_image_get_height(dest));
-    ASSERT(src_x + width <= pixman_image_get_width(src));
+    spice_assert(src_x + width <= pixman_image_get_width(src));
-    ASSERT(src_y + height <= pixman_image_get_height(src));
+    spice_assert(src_y + height <= pixman_image_get_height(src));
-    ASSERT(depth == src_depth);
+    spice_assert(depth == src_depth);
 
     if (depth == 8) {
         copy_rop_8_func_t rop_func = copy_rops_8[rop];
@@ -697,7 +706,7 @@ void spice_pixman_blit_rop (pixman_image_t *dest,
     }  else {
         copy_rop_32_func_t rop_func = copy_rops_32[rop];
 
-        ASSERT (depth == 32);
+        spice_assert (depth == 32);
         byte_line = ((uint8_t *)bits) + stride * dest_y + dest_x * 4;
         src_line = ((uint8_t *)src_bits) + src_stride * src_y + src_x * 4;
 
@@ -756,17 +765,17 @@ void spice_pixman_blit_colorkey (pixman_image_t *dest,
         return;
     }
 
-    ASSERT(src_x >= 0);
+    spice_assert(src_x >= 0);
-    ASSERT(src_y >= 0);
+    spice_assert(src_y >= 0);
-    ASSERT(dest_x >= 0);
+    spice_assert(dest_x >= 0);
-    ASSERT(dest_y >= 0);
+    spice_assert(dest_y >= 0);
-    ASSERT(width > 0);
+    spice_assert(width > 0);
-    ASSERT(height > 0);
+    spice_assert(height > 0);
-    ASSERT(dest_x + width <= pixman_image_get_width(dest));
+    spice_assert(dest_x + width <= pixman_image_get_width(dest));
-    ASSERT(dest_y + height <= pixman_image_get_height(dest));
+    spice_assert(dest_y + height <= pixman_image_get_height(dest));
-    ASSERT(src_x + width <= pixman_image_get_width(src));
+    spice_assert(src_x + width <= pixman_image_get_width(src));
-    ASSERT(src_y + height <= pixman_image_get_height(src));
+    spice_assert(src_y + height <= pixman_image_get_height(src));
-    ASSERT(depth == spice_pixman_image_get_bpp(src));
+    spice_assert(depth == spice_pixman_image_get_bpp(src));
 
     if (depth == 8) {
         byte_line = ((uint8_t *)bits) + stride * dest_y + dest_x;
@@ -806,7 +815,7 @@ void spice_pixman_blit_colorkey (pixman_image_t *dest,
             src_line += src_stride;
         }
     }  else {
-        ASSERT (depth == 32);
+        spice_assert (depth == 32);
         byte_line = ((uint8_t *)bits) + stride * dest_y + dest_x * 4;
         src_line = ((uint8_t *)src_bits) + src_stride * src_y + src_x * 4;
 
@@ -924,8 +933,7 @@ pixman_format_code_t spice_surface_format_to_pixman(uint32_t surface_format)
     case SPICE_SURFACE_FMT_32_ARGB:
         return PIXMAN_a8r8g8b8;
     default:
-        printf("Unknown surface format %d\n", surface_format);
+        g_error("Unknown surface format %d\n", surface_format);
-        abort();
         break;
     }
         return (pixman_format_code_t)0; /* Not reached */
@@ -958,10 +966,12 @@ pixman_format_code_t spice_bitmap_format_to_pixman(int bitmap_format,
     case SPICE_BITMAP_FMT_RGBA:
         return PIXMAN_a8r8g8b8;
 
+    case SPICE_BITMAP_FMT_8BIT_A:
+        return PIXMAN_a8;
+
     case SPICE_BITMAP_FMT_INVALID:
     default:
-        printf("Unknown bitmap format %d\n", bitmap_format);
+        g_error("Unknown bitmap format %d\n", bitmap_format);
-        abort();
         return PIXMAN_a8r8g8b8;
     }
 }
@@ -985,25 +995,13 @@ pixman_image_t *spice_bitmap_try_as_pixman(int src_format,
 
     switch (src_format) {
     case SPICE_BITMAP_FMT_32BIT:
-#ifdef WORDS_BIGENDIAN
+        pixman_format = PIXMAN_LE_x8r8g8b8;
-        pixman_format = PIXMAN_b8g8r8x8;
-#else
-        pixman_format = PIXMAN_x8r8g8b8;
-#endif
         break;
     case SPICE_BITMAP_FMT_RGBA:
-#ifdef WORDS_BIGENDIAN
+        pixman_format = PIXMAN_LE_a8r8g8b8;
-        pixman_format = PIXMAN_b8g8r8a8;
-#else
-        pixman_format = PIXMAN_a8r8g8b8;
-#endif
         break;
     case SPICE_BITMAP_FMT_24BIT:
-#ifdef WORDS_BIGENDIAN
+        pixman_format = PIXMAN_LE_r8g8b8;
-        pixman_format = PIXMAN_b8g8r8;
-#else
-        pixman_format = PIXMAN_r8g8b8;
-#endif
         break;
     case SPICE_BITMAP_FMT_16BIT:
 #ifdef WORDS_BIGENDIAN
@@ -1037,26 +1035,6 @@ pixman_image_t *spice_bitmap_try_as_pixman(int src_format,
 #define UINT32_FROM_LE(x) (x)
 #endif
 
-static INLINE uint32_t rgb_16_555_to_32(uint16_t color)
-{
-    uint32_t ret;
-
-    ret = ((color & 0x001f) << 3) | ((color & 0x001c) >> 2);
-    ret |= ((color & 0x03e0) << 6) | ((color & 0x0380) << 1);
-    ret |= ((color & 0x7c00) << 9) | ((color & 0x7000) << 4);
-
-    return ret;
-}
-
-static INLINE uint16_t rgb_32_to_16_555(uint32_t color)
-{
-    return
-        (((color) >> 3) & 0x001f) |
-        (((color) >> 6) & 0x03e0) |
-        (((color) >> 9) & 0x7c00);
-}
-
-
 static void bitmap_32_to_32(uint8_t* dest, int dest_stride,
                             uint8_t* src, int src_stride,
                             int width, uint8_t* end)
@@ -1078,6 +1056,15 @@ static void bitmap_32_to_32(uint8_t* dest, int dest_stride,
 #endif
 }
 
+static void bitmap_8_to_8(uint8_t* dest, int dest_stride,
+                          uint8_t* src, int src_stride,
+                          int width, uint8_t* end)
+{
+    for (; src != end; src += src_stride, dest += dest_stride) {
+        memcpy(dest, src, width);
+    }
+}
+
 static void bitmap_24_to_32(uint8_t* dest, int dest_stride,
                             uint8_t* src, int src_stride,
                             int width, uint8_t* end)
@@ -1131,7 +1118,7 @@ static void bitmap_8_32_to_32(uint8_t *dest, int dest_stride,
 #endif
 
     if (!palette) {
-        PANIC("No palette");
+        spice_error("No palette");
         return;
     }
 
@@ -1177,7 +1164,7 @@ static void bitmap_8_16_to_16_555(uint8_t *dest, int dest_stride,
 #endif
 
     if (!palette) {
-        PANIC("No palette");
+        spice_error("No palette");
         return;
     }
 
@@ -1223,7 +1210,7 @@ static void bitmap_4be_32_to_32(uint8_t* dest, int dest_stride,
 #endif
 
     if (!palette) {
-        PANIC("No palette");
+        spice_error("No palette");
         return;
     }
 
@@ -1273,7 +1260,7 @@ static void bitmap_4be_16_to_16_555(uint8_t* dest, int dest_stride,
 #endif
 
     if (!palette) {
-        PANIC("No palette");
+        spice_error("No palette");
         return;
     }
 
@@ -1310,7 +1297,7 @@ static void bitmap_4be_16_to_16_555(uint8_t* dest, int dest_stride,
     }
 }
 
-static INLINE int test_bit_be(void* addr, int bit)
+static inline int test_bit_be(void* addr, int bit)
 {
     return !!(((uint8_t*)addr)[bit >> 3] & (0x80 >> (bit & 0x07)));
 }
@@ -1323,7 +1310,7 @@ static void bitmap_1be_32_to_32(uint8_t* dest, int dest_stride,
     uint32_t fore_color;
     uint32_t back_color;
 
-    ASSERT(palette != NULL);
+    spice_assert(palette != NULL);
 
     if (!palette) {
         return;
@@ -1355,7 +1342,7 @@ static void bitmap_1be_16_to_16_555(uint8_t* dest, int dest_stride,
     uint16_t fore_color;
     uint16_t back_color;
 
-    ASSERT(palette != NULL);
+    spice_assert(palette != NULL);
 
     if (!palette) {
         return;
@@ -1380,6 +1367,25 @@ static void bitmap_1be_16_to_16_555(uint8_t* dest, int dest_stride,
 
 #ifdef NOT_USED_ATM
 
+static inline uint32_t rgb_16_555_to_32(uint16_t color)
+{
+    uint32_t ret;
+
+    ret = ((color & 0x001f) << 3) | ((color & 0x001c) >> 2);
+    ret |= ((color & 0x03e0) << 6) | ((color & 0x0380) << 1);
+    ret |= ((color & 0x7c00) << 9) | ((color & 0x7000) << 4);
+
+    return ret;
+}
+
+static inline uint16_t rgb_32_to_16_555(uint32_t color)
+{
+    return
+        (((color) >> 3) & 0x001f) |
+        (((color) >> 6) & 0x03e0) |
+        (((color) >> 9) & 0x7c00);
+}
+
 static void bitmap_16_to_32(uint8_t* dest, int dest_stride,
                             uint8_t* src, int src_stride,
                             int width, uint8_t* end)
@@ -1461,7 +1467,7 @@ pixman_image_t *spice_bitmap_to_pixman(pixman_image_t *dest_image,
     dest = (uint8_t *)pixman_image_get_data(dest_image);
     dest_stride = pixman_image_get_stride(dest_image);
     if (!(flags & SPICE_BITMAP_FLAGS_TOP_DOWN)) {
-        ASSERT(height > 0);
+        spice_assert(height > 0);
         dest += dest_stride * (height - 1);
         dest_stride = -dest_stride;
     }
@@ -1472,6 +1478,9 @@ pixman_image_t *spice_bitmap_to_pixman(pixman_image_t *dest_image,
     case SPICE_BITMAP_FMT_RGBA:
         bitmap_32_to_32(dest, dest_stride, src, src_stride, width, end);
         break;
+    case SPICE_BITMAP_FMT_8BIT_A:
+        bitmap_8_to_8(dest, dest_stride, src, src_stride, width, end);
+        break;
     case SPICE_BITMAP_FMT_24BIT:
         bitmap_24_to_32(dest, dest_stride, src, src_stride, width, end);
         break;
@@ -1485,7 +1494,7 @@ pixman_image_t *spice_bitmap_to_pixman(pixman_image_t *dest_image,
         } else if (palette_surface_format == SPICE_SURFACE_FMT_16_555) {
             bitmap_8_16_to_16_555(dest, dest_stride, src, src_stride, width, end, palette);
         } else {
-            PANIC("Unsupported palette format");
+            spice_error("Unsupported palette format");
         }
         break;
     case SPICE_BITMAP_FMT_4BIT_BE:
@@ -1495,7 +1504,7 @@ pixman_image_t *spice_bitmap_to_pixman(pixman_image_t *dest_image,
         } else if (palette_surface_format == SPICE_SURFACE_FMT_16_555) {
             bitmap_4be_16_to_16_555(dest, dest_stride, src, src_stride, width, end, palette);
         } else {
-            PANIC("Unsupported palette format");
+            spice_error("Unsupported palette format");
         }
         break;
     case SPICE_BITMAP_FMT_1BIT_BE:
@@ -1505,11 +1514,11 @@ pixman_image_t *spice_bitmap_to_pixman(pixman_image_t *dest_image,
         } else if (palette_surface_format == SPICE_SURFACE_FMT_16_555) {
             bitmap_1be_16_to_16_555(dest, dest_stride, src, src_stride, width, end, palette);
         } else {
-            PANIC("Unsupported palette format");
+            spice_error("Unsupported palette format");
         }
         break;
     default:
-        PANIC("Unsupported bitmap format");
+        spice_error("Unsupported bitmap format");
         break;
     }
 

common/pixman_utils.h

@@ -16,20 +16,29 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef _H__PIXMAN_UTILS
+#ifndef H_SPICE_COMMON_PIXMAN_UTILS
-#define _H__PIXMAN_UTILS
+#define H_SPICE_COMMON_PIXMAN_UTILS
 
 #include <spice/types.h>
+#include <spice/macros.h>
 #include <stdlib.h>
 #define PIXMAN_DONT_DEFINE_STDINT
 #include <pixman.h>
 
 #include "draw.h"
 
-#ifdef __cplusplus
+#ifdef WORDS_BIGENDIAN
-extern "C" {
+# define PIXMAN_LE_x8r8g8b8   PIXMAN_b8g8r8x8
+# define PIXMAN_LE_a8r8g8b8   PIXMAN_b8g8r8a8
+# define PIXMAN_LE_r8g8b8     PIXMAN_b8g8r8
+#else
+# define PIXMAN_LE_x8r8g8b8   PIXMAN_x8r8g8b8
+# define PIXMAN_LE_a8r8g8b8   PIXMAN_a8r8g8b8
+# define PIXMAN_LE_r8g8b8     PIXMAN_r8g8b8
 #endif
 
+SPICE_BEGIN_DECLS
+
 /* This lists all possible 2 argument binary raster ops.
  * This enum has the same values as the X11 GXcopy type
  * and same as the GL constants (GL_AND etc) if you
@@ -129,8 +138,6 @@ void spice_pixman_copy_rect(pixman_image_t *image,
                             int w, int h,
                             int dest_x, int dest_y);
 
-#ifdef __cplusplus
+SPICE_END_DECLS
-}
-#endif
 
-#endif /* _H__PIXMAN_UTILS */
+#endif // H_SPICE_COMMON_PIXMAN_UTILS

common/quic.h

@@ -16,14 +16,13 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef __QUIC_H
+#ifndef H_SPICE_COMMON_QUIC
-#define __QUIC_H
+#define H_SPICE_COMMON_QUIC
 
-#include "quic_config.h"
+#include <spice/macros.h>
+#include "macros.h"
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
 
 typedef enum {
     QUIC_IMAGE_TYPE_INVALID,
@@ -41,9 +40,10 @@ typedef void *QuicContext;
 
 typedef struct QuicUsrContext QuicUsrContext;
 struct QuicUsrContext {
-    void (*error)(QuicUsrContext *usr, const char *fmt, ...);
+    SPICE_GNUC_NORETURN
-    void (*warn)(QuicUsrContext *usr, const char *fmt, ...);
+    SPICE_GNUC_PRINTF(2, 3) void (*error)(QuicUsrContext *usr, const char *fmt, ...);
-    void (*info)(QuicUsrContext *usr, const char *fmt, ...);
+    SPICE_GNUC_PRINTF(2, 3) void (*warn)(QuicUsrContext *usr, const char *fmt, ...);
+    SPICE_GNUC_PRINTF(2, 3) void (*info)(QuicUsrContext *usr, const char *fmt, ...);
     void *(*malloc)(QuicUsrContext *usr, int size);
     void (*free)(QuicUsrContext *usr, void *ptr);
     int (*more_space)(QuicUsrContext *usr, uint32_t **io_ptr, int rows_completed);
@@ -63,10 +63,6 @@ int quic_decode(QuicContext *quic, QuicImageType type, uint8_t *buf, int stride)
 QuicContext *quic_create(QuicUsrContext *usr);
 void quic_destroy(QuicContext *quic);
 
-void quic_init(void);
+SPICE_END_DECLS
-
-#ifdef __cplusplus
-}
-#endif
 
 #endif

common/quic_config.h

@@ -16,15 +16,13 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef __QUIC_CONFIG_H
+#ifndef H_SPICE_COMMON_QUIC_CONFIG
-#define __QUIC_CONFIG_H
+#define H_SPICE_COMMON_QUIC_CONFIG
 
 #include <spice/types.h>
 #include <spice/macros.h>
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
 
 #ifdef __GNUC__
 #include <string.h>
@@ -41,8 +39,6 @@ extern "C" {
 #endif  // QXLDD
 #endif  //__GNUC__
 
-#ifdef __cplusplus
+SPICE_END_DECLS
-}
-#endif
 
 #endif

common/quic_family_tmpl.c

@@ -15,9 +15,7 @@
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #ifdef QUIC_FAMILY_8BPC
 #undef QUIC_FAMILY_8BPC
@@ -34,26 +32,19 @@
 #define BPC 5
 #endif
 
-
+static inline unsigned int FNAME(golomb_code)(const BYTE n, const unsigned int l)
-static unsigned int FNAME(golomb_code_len)(const BYTE n, const unsigned int l)
 {
-    if (n < VNAME(family).nGRcodewords[l]) {
+    return VNAME(family).golomb_code[n][l];
-        return (n >> l) + 1 + l;
-    } else {
-        return VNAME(family).notGRcwlen[l];
-    }
 }
 
-static void FNAME(golomb_coding)(const BYTE n, const unsigned int l, unsigned int * const codeword,
+static inline unsigned int FNAME(golomb_code_len)(const BYTE n, const unsigned int l)
-                                 unsigned int * const codewordlen)
 {
-    if (n < VNAME(family).nGRcodewords[l]) {
+    return VNAME(family).golomb_code_len[n][l];
-        (*codeword) = bitat[l] | (n & bppmask[l]);
-        (*codewordlen) = (n >> l) + l + 1;
-    } else {
-        (*codeword) = n - VNAME(family).nGRcodewords[l];
-        (*codewordlen) = VNAME(family).notGRcwlen[l];
 }
+
+static void FNAME(golomb_coding)(Encoder *encoder, const BYTE n, const unsigned int l)
+{
+    encode(encoder, FNAME(golomb_code)(n, l), FNAME(golomb_code_len)(n, l));
 }
 
 static unsigned int FNAME(golomb_decoding)(const unsigned int l, const unsigned int bits,
@@ -74,13 +65,16 @@ static unsigned int FNAME(golomb_decoding)(const unsigned int l, const unsigned
 
 /* update the bucket using just encoded curval */
 static void FNAME(update_model)(CommonState *state, s_bucket * const bucket,
-                                const BYTE curval, unsigned int bpp)
+                                const BYTE curval)
 {
+    SPICE_VERIFY(BPC >= 1);
+    spice_return_if_fail (bucket != NULL);
+
+    const unsigned int bpp = BPC;
     COUNTER * const pcounters = bucket->pcounters;
     unsigned int i;
     unsigned int bestcode;
     unsigned int bestcodelen;
-    //unsigned int bpp = encoder->bpp;
 
     /* update counters, find minimum */
 
@@ -107,9 +101,14 @@ static void FNAME(update_model)(CommonState *state, s_bucket * const bucket,
 
 static s_bucket *FNAME(find_bucket)(Channel *channel, const unsigned int val)
 {
-    ASSERT(channel->encoder->usr, val < (0x1U << BPC));
+    spice_extra_assert(val < (0x1U << BPC));
 
-    return channel->_buckets_ptrs[val];
+    /* The and (&) here is to avoid buffer overflows in case of garbage or malicious
+     * attempts. Is much faster then using comparisons and save us from such situations.
+     * Note that on normal build the check above won't be compiled as this code path
+     * is pretty hot and would cause speed regressions.
+     */
+    return channel->_buckets_ptrs[val & ((1U << BPC) - 1)];
 }
 
 #undef FNAME

common/quic_tmpl.c

@@ -0,0 +1,662 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2009 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+#include <config.h>
+
+#define COMPRESS_IMP
+
+#if defined(ONE_BYTE) || defined(FOUR_BYTE)
+#  define FARGS_DECL(...) (Encoder *encoder, Channel *channel_a, __VA_ARGS__)
+#  define FARGS_CALL(...) (encoder, channel_a, __VA_ARGS__)
+#  define UNCOMPRESS_PIX_START(row) do { } while (0)
+#  define SET_a(pix, val) ((pix)->a = val)
+#  define GET_a(pix) ((pix)->a)
+#  define SAME_PIXEL(p1, p2) (GET_a(p1) == GET_a(p2))
+#  define COPY_PIXEL(dest, src) \
+    SET_a(dest, GET_a(src));
+#  define DECLARE_STATE_VARIABLES \
+    CommonState *state = &channel_a->state
+#  define DECLARE_CHANNEL_VARIABLES \
+    BYTE * const correlate_row_a = channel_a->correlate_row
+#  define APPLY_ALL_COMP(macro, ...) \
+    macro(a, ## __VA_ARGS__)
+#else
+#  define FARGS_DECL(...) (Encoder *encoder, __VA_ARGS__)
+#  define FARGS_CALL(...) (encoder, __VA_ARGS__)
+#  define SAME_PIXEL(p1, p2)                               \
+    (GET_r(p1) == GET_r(p2) && GET_g(p1) == GET_g(p2) &&   \
+     GET_b(p1) == GET_b(p2))
+#  define COPY_PIXEL(dest, src) \
+    SET_r(dest, GET_r(src)); \
+    SET_g(dest, GET_g(src)); \
+    SET_b(dest, GET_b(src))
+#  define DECLARE_STATE_VARIABLES \
+    CommonState *state = &encoder->rgb_state
+#  define DECLARE_CHANNEL_VARIABLES \
+    Channel * const channel_r = encoder->channels; \
+    Channel * const channel_g = channel_r + 1; \
+    Channel * const channel_b = channel_g + 1; \
+    BYTE * const correlate_row_r = channel_r->correlate_row; \
+    BYTE * const correlate_row_g = channel_g->correlate_row; \
+    BYTE * const correlate_row_b = channel_b->correlate_row
+#  define APPLY_ALL_COMP(macro, ...) \
+    macro(r, ## __VA_ARGS__); \
+    macro(g, ## __VA_ARGS__); \
+    macro(b, ## __VA_ARGS__)
+#endif
+
+#ifdef ONE_BYTE
+#undef ONE_BYTE
+#define FNAME(name) quic_one_##name
+#define PIXEL one_byte_t
+#define BPC 8
+#endif
+
+#ifdef FOUR_BYTE
+#undef FOUR_BYTE
+#define FNAME(name) quic_four_##name
+#define PIXEL four_bytes_t
+#define BPC 8
+#endif
+
+#ifdef QUIC_RGB32
+#undef QUIC_RGB32
+#define PIXEL rgb32_pixel_t
+#define FNAME(name) quic_rgb32_##name
+#define BPC 8
+#define SET_r(pix, val) ((pix)->r = val)
+#define GET_r(pix) ((pix)->r)
+#define SET_g(pix, val) ((pix)->g = val)
+#define GET_g(pix) ((pix)->g)
+#define SET_b(pix, val) ((pix)->b = val)
+#define GET_b(pix) ((pix)->b)
+#define UNCOMPRESS_PIX_START(pix) ((pix)->pad = 0)
+#endif
+
+#ifdef QUIC_RGB24
+#undef QUIC_RGB24
+#define PIXEL rgb24_pixel_t
+#define FNAME(name) quic_rgb24_##name
+#define BPC 8
+#define SET_r(pix, val) ((pix)->r = val)
+#define GET_r(pix) ((pix)->r)
+#define SET_g(pix, val) ((pix)->g = val)
+#define GET_g(pix) ((pix)->g)
+#define SET_b(pix, val) ((pix)->b = val)
+#define GET_b(pix) ((pix)->b)
+#define UNCOMPRESS_PIX_START(pix)
+#endif
+
+#ifdef QUIC_RGB16
+#undef QUIC_RGB16
+#define PIXEL rgb16_pixel_t
+#define FNAME(name) quic_rgb16_##name
+#define BPC 5
+#define SET_r(pix, val) (*(pix) = (*(pix) & ~(0x1f << 10)) | ((val) << 10))
+#define GET_r(pix) ((*(pix) >> 10) & 0x1f)
+#define SET_g(pix, val) (*(pix) = (*(pix) & ~(0x1f << 5)) | ((val) << 5))
+#define GET_g(pix) ((*(pix) >> 5) & 0x1f)
+#define SET_b(pix, val) (*(pix) = (*(pix) & ~0x1f) | (val))
+#define GET_b(pix) (*(pix) & 0x1f)
+#define UNCOMPRESS_PIX_START(pix) (*(pix) = 0)
+#endif
+
+#ifdef QUIC_RGB16_TO_32
+#undef QUIC_RGB16_TO_32
+#define PIXEL rgb32_pixel_t
+#define FNAME(name) quic_rgb16_to_32_##name
+#define BPC 5
+#undef COMPRESS_IMP
+#define SET_r(pix, val) ((pix)->r = ((val) << 3) | (((val) & 0x1f) >> 2))
+#define GET_r(pix) ((pix)->r >> 3)
+#define SET_g(pix, val) ((pix)->g = ((val) << 3) | (((val) & 0x1f) >> 2))
+#define GET_g(pix) ((pix)->g >> 3)
+#define SET_b(pix, val) ((pix)->b = ((val) << 3) | (((val) & 0x1f) >> 2))
+#define GET_b(pix) ((pix)->b >> 3)
+#define UNCOMPRESS_PIX_START(pix) ((pix)->pad = 0)
+#endif
+
+#define FNAME_DECL(name) FNAME(name) FARGS_DECL
+#define FNAME_CALL(name) FNAME(name) FARGS_CALL
+
+#if BPC == 5
+#  define golomb_coding golomb_coding_5bpc
+#  define golomb_decoding golomb_decoding_5bpc
+#  define update_model update_model_5bpc
+#  define find_bucket find_bucket_5bpc
+#  define family family_5bpc
+#  define BPC_MASK 0x1fU
+#elif BPC == 8
+#  define golomb_coding golomb_coding_8bpc
+#  define golomb_decoding golomb_decoding_8bpc
+#  define update_model update_model_8bpc
+#  define find_bucket find_bucket_8bpc
+#  define family family_8bpc
+#  define BPC_MASK 0xffU
+#else
+#  error BPC must be 5 or 8
+#endif
+
+#define _PIXEL_A(channel, curr) ((unsigned int)GET_##channel((curr) - 1))
+#define _PIXEL_B(channel, prev) ((unsigned int)GET_##channel(prev))
+
+/*  a  */
+
+#define DECORRELATE_0(channel, curr, bpc_mask)\
+    family.xlatU2L[(unsigned)((int)GET_##channel(curr) - (int)_PIXEL_A(channel, curr)) & bpc_mask]
+
+#define CORRELATE_0(channel, curr, correlate, bpc_mask)\
+    ((family.xlatL2U[correlate] + _PIXEL_A(channel, curr)) & bpc_mask)
+
+
+/*  (a+b)/2  */
+#define DECORRELATE(channel, prev, curr, bpc_mask, r)                                          \
+    r = family.xlatU2L[(unsigned)((int)GET_##channel(curr) - (int)((_PIXEL_A(channel, curr) +  \
+    _PIXEL_B(channel, prev)) >> 1)) & bpc_mask]
+
+#define CORRELATE(channel, prev, curr, correlate, bpc_mask, r)                                  \
+    SET_##channel(r, ((family.xlatL2U[correlate] +                                              \
+         (int)((_PIXEL_A(channel, curr) + _PIXEL_B(channel, prev)) >> 1)) & bpc_mask))
+
+
+#define COMPRESS_ONE_ROW0_0(channel)                                    \
+    correlate_row_##channel[0] = family.xlatU2L[GET_##channel(cur_row)];\
+    golomb_coding(encoder, correlate_row_##channel[0],                  \
+                  find_bucket(channel_##channel,                        \
+                              correlate_row_##channel[-1])->bestcode)
+
+#define COMPRESS_ONE_ROW0(channel, index)                                               \
+    correlate_row_##channel[index] = DECORRELATE_0(channel, &cur_row[index], bpc_mask); \
+    golomb_coding(encoder, correlate_row_##channel[index],                              \
+                  find_bucket(channel_##channel,                                        \
+                              correlate_row_##channel[index - 1])->bestcode)
+
+#define UPDATE_MODEL_COMP(channel, index)                                                   \
+    update_model(state, find_bucket(channel_##channel, correlate_row_##channel[index - 1]), \
+                 correlate_row_##channel[index])
+#define UPDATE_MODEL(index) APPLY_ALL_COMP(UPDATE_MODEL_COMP, index)
+
+#define RLE_PRED_IMP                                                                \
+if (SAME_PIXEL(&prev_row[i - 1], &prev_row[i])) {                                   \
+    if (run_index != i && i > 2 && SAME_PIXEL(&cur_row[i - 1], &cur_row[i - 2])) {  \
+        goto do_run;                                                                \
+    }                                                                               \
+}
+
+#ifdef COMPRESS_IMP
+
+static void FNAME_DECL(compress_row0_seg)(int i,
+                                          const PIXEL * const cur_row,
+                                          const int end,
+                                          const unsigned int waitmask,
+                                          const unsigned int bpc_mask)
+{
+    DECLARE_STATE_VARIABLES;
+    DECLARE_CHANNEL_VARIABLES;
+    int stopidx;
+
+    spice_assert(end - i > 0);
+
+    if (i == 0) {
+        APPLY_ALL_COMP(COMPRESS_ONE_ROW0_0);
+
+        if (state->waitcnt) {
+            state->waitcnt--;
+        } else {
+            state->waitcnt = (tabrand(&state->tabrand_seed) & waitmask);
+            UPDATE_MODEL(0);
+        }
+        stopidx = ++i + state->waitcnt;
+    } else {
+        stopidx = i + state->waitcnt;
+    }
+
+    while (stopidx < end) {
+        for (; i <= stopidx; i++) {
+            APPLY_ALL_COMP(COMPRESS_ONE_ROW0, i);
+        }
+
+        UPDATE_MODEL(stopidx);
+        stopidx = i + (tabrand(&state->tabrand_seed) & waitmask);
+    }
+
+    for (; i < end; i++) {
+        APPLY_ALL_COMP(COMPRESS_ONE_ROW0, i);
+    }
+    state->waitcnt = stopidx - end;
+}
+
+#undef COMPRESS_ONE_ROW0_0
+#undef COMPRESS_ONE_ROW0
+
+static void FNAME_DECL(compress_row0)(const PIXEL *cur_row, unsigned int width)
+{
+    DECLARE_STATE_VARIABLES;
+    const unsigned int bpc_mask = BPC_MASK;
+    int pos = 0;
+
+    while ((DEFwmimax > (int)state->wmidx) && (state->wmileft <= width)) {
+        if (state->wmileft) {
+            FNAME_CALL(compress_row0_seg)(pos, cur_row, pos + state->wmileft,
+                                          bppmask[state->wmidx], bpc_mask);
+            width -= state->wmileft;
+            pos += state->wmileft;
+        }
+
+        state->wmidx++;
+        set_wm_trigger(state);
+        state->wmileft = DEFwminext;
+    }
+
+    if (width) {
+        FNAME_CALL(compress_row0_seg)(pos, cur_row, pos + width,
+                                      bppmask[state->wmidx], bpc_mask);
+        if (DEFwmimax > (int)state->wmidx) {
+            state->wmileft -= width;
+        }
+    }
+
+    spice_assert((int)state->wmidx <= DEFwmimax);
+    spice_assert(state->wmidx <= 32);
+    spice_assert(DEFwminext > 0);
+}
+
+#define COMPRESS_ONE_0(channel) \
+    correlate_row_##channel[0] = family.xlatU2L[(unsigned)((int)GET_##channel(cur_row) -              \
+                                                          (int)GET_##channel(prev_row) ) & bpc_mask]; \
+    golomb_coding(encoder, correlate_row_##channel[0],                                                \
+                  find_bucket(channel_##channel, correlate_row_##channel[-1])->bestcode)
+
+#define COMPRESS_ONE(channel, index)                                                                   \
+     DECORRELATE(channel, &prev_row[index], &cur_row[index],bpc_mask, correlate_row_##channel[index]); \
+     golomb_coding(encoder, correlate_row_##channel[index],                                            \
+                   find_bucket(channel_##channel, correlate_row_##channel[index - 1])->bestcode)
+
+static void FNAME_DECL(compress_row_seg)(int i,
+                                         const PIXEL * const prev_row,
+                                         const PIXEL * const cur_row,
+                                         const int end,
+                                         const unsigned int waitmask,
+                                         const unsigned int bpc_mask)
+{
+    DECLARE_STATE_VARIABLES;
+    DECLARE_CHANNEL_VARIABLES;
+    int stopidx;
+    int run_index = 0;
+    int run_size;
+
+    spice_assert(end - i > 0);
+
+    if (i == 0) {
+        APPLY_ALL_COMP(COMPRESS_ONE_0);
+
+        if (state->waitcnt) {
+            state->waitcnt--;
+        } else {
+            state->waitcnt = (tabrand(&state->tabrand_seed) & waitmask);
+            UPDATE_MODEL(0);
+        }
+        stopidx = ++i + state->waitcnt;
+    } else {
+        stopidx = i + state->waitcnt;
+    }
+    for (;;) {
+        while (stopidx < end) {
+            for (; i <= stopidx; i++) {
+                RLE_PRED_IMP;
+                APPLY_ALL_COMP(COMPRESS_ONE, i);
+            }
+
+            UPDATE_MODEL(stopidx);
+            stopidx = i + (tabrand(&state->tabrand_seed) & waitmask);
+        }
+
+        for (; i < end; i++) {
+            RLE_PRED_IMP;
+            APPLY_ALL_COMP(COMPRESS_ONE, i);
+        }
+        state->waitcnt = stopidx - end;
+
+        return;
+
+do_run:
+        run_index = i;
+        state->waitcnt = stopidx - i;
+        run_size = 0;
+
+        while (SAME_PIXEL(&cur_row[i], &cur_row[i - 1])) {
+            run_size++;
+            if (++i == end) {
+                encode_state_run(encoder, state, run_size);
+                return;
+            }
+        }
+        encode_state_run(encoder, state, run_size);
+        stopidx = i + state->waitcnt;
+    }
+}
+
+static void FNAME_DECL(compress_row)(const PIXEL * const prev_row,
+                                     const PIXEL * const cur_row,
+                                     unsigned int width)
+
+{
+    DECLARE_STATE_VARIABLES;
+    const unsigned int bpc_mask = BPC_MASK;
+    unsigned int pos = 0;
+
+    while ((DEFwmimax > (int)state->wmidx) && (state->wmileft <= width)) {
+        if (state->wmileft) {
+            FNAME_CALL(compress_row_seg)(pos, prev_row, cur_row,
+                                         pos + state->wmileft, bppmask[state->wmidx],
+                                         bpc_mask);
+            width -= state->wmileft;
+            pos += state->wmileft;
+        }
+
+        state->wmidx++;
+        set_wm_trigger(state);
+        state->wmileft = DEFwminext;
+    }
+
+    if (width) {
+        FNAME_CALL(compress_row_seg)(pos, prev_row, cur_row, pos + width,
+                                     bppmask[state->wmidx], bpc_mask);
+        if (DEFwmimax > (int)state->wmidx) {
+            state->wmileft -= width;
+        }
+    }
+
+    spice_assert((int)state->wmidx <= DEFwmimax);
+    spice_assert(state->wmidx <= 32);
+    spice_assert(DEFwminext > 0);
+}
+
+#endif
+
+#define UNCOMPRESS_ONE_ROW0_0(channel)                                                                      \
+    correlate_row_##channel[0] = (BYTE)golomb_decoding(find_bucket(channel_##channel,                       \
+                                                                   correlate_row_##channel[-1])->bestcode,  \
+                                                       encoder->io_word, &codewordlen);                     \
+    SET_##channel(&cur_row[0], (BYTE)family.xlatL2U[correlate_row_##channel[0]]);                           \
+    decode_eatbits(encoder, codewordlen);
+
+#define UNCOMPRESS_ONE_ROW0(channel)                                                                           \
+    correlate_row_##channel[i] = (BYTE)golomb_decoding(find_bucket(channel_##channel,                          \
+                                                                   correlate_row_##channel[i - 1])->bestcode,  \
+                                                       encoder->io_word, &codewordlen);                        \
+    SET_##channel(&cur_row[i], CORRELATE_0(channel, &cur_row[i], correlate_row_##channel[i],                   \
+                  bpc_mask));                                                                                  \
+    decode_eatbits(encoder, codewordlen);
+
+static void FNAME_DECL(uncompress_row0_seg)(int i,
+                                            PIXEL * const cur_row,
+                                            const int end,
+                                            const unsigned int waitmask,
+                                            const unsigned int bpc_mask)
+{
+    DECLARE_STATE_VARIABLES;
+    DECLARE_CHANNEL_VARIABLES;
+    int stopidx;
+
+    spice_assert(end - i > 0);
+
+    if (i == 0) {
+        unsigned int codewordlen;
+
+        UNCOMPRESS_PIX_START(&cur_row[i]);
+        APPLY_ALL_COMP(UNCOMPRESS_ONE_ROW0_0);
+
+        if (state->waitcnt) {
+            --state->waitcnt;
+        } else {
+            state->waitcnt = (tabrand(&state->tabrand_seed) & waitmask);
+            UPDATE_MODEL(0);
+        }
+        stopidx = ++i + state->waitcnt;
+    } else {
+        stopidx = i + state->waitcnt;
+    }
+
+    while (stopidx < end) {
+        for (; i <= stopidx; i++) {
+            unsigned int codewordlen;
+
+            UNCOMPRESS_PIX_START(&cur_row[i]);
+            APPLY_ALL_COMP(UNCOMPRESS_ONE_ROW0);
+        }
+        UPDATE_MODEL(stopidx);
+        stopidx = i + (tabrand(&state->tabrand_seed) & waitmask);
+    }
+
+    for (; i < end; i++) {
+        unsigned int codewordlen;
+
+        UNCOMPRESS_PIX_START(&cur_row[i]);
+        APPLY_ALL_COMP(UNCOMPRESS_ONE_ROW0);
+    }
+    state->waitcnt = stopidx - end;
+}
+
+static void FNAME_DECL(uncompress_row0)(PIXEL * const cur_row,
+                                        unsigned int width)
+
+{
+    DECLARE_STATE_VARIABLES;
+    const unsigned int bpc_mask = BPC_MASK;
+    unsigned int pos = 0;
+
+    while ((DEFwmimax > (int)state->wmidx) && (state->wmileft <= width)) {
+        if (state->wmileft) {
+            FNAME_CALL(uncompress_row0_seg)(pos, cur_row,
+                                            pos + state->wmileft,
+                                            bppmask[state->wmidx],
+                                            bpc_mask);
+            pos += state->wmileft;
+            width -= state->wmileft;
+        }
+
+        state->wmidx++;
+        set_wm_trigger(state);
+        state->wmileft = DEFwminext;
+    }
+
+    if (width) {
+        FNAME_CALL(uncompress_row0_seg)(pos, cur_row, pos + width,
+                                        bppmask[state->wmidx], bpc_mask);
+        if (DEFwmimax > (int)state->wmidx) {
+            state->wmileft -= width;
+        }
+    }
+
+    spice_assert((int)state->wmidx <= DEFwmimax);
+    spice_assert(state->wmidx <= 32);
+    spice_assert(DEFwminext > 0);
+}
+
+#define UNCOMPRESS_ONE_0(channel)                                                                          \
+    correlate_row_##channel[0] = (BYTE)golomb_decoding(find_bucket(channel_##channel,                      \
+                                                                   correlate_row_##channel[-1])->bestcode, \
+                                                       encoder->io_word, &codewordlen);                    \
+    SET_##channel(&cur_row[0], (family.xlatL2U[correlate_row_##channel[0]] +                               \
+                  GET_##channel(prev_row)) & bpc_mask);                                                    \
+    decode_eatbits(encoder, codewordlen);
+
+#define UNCOMPRESS_ONE(channel)                                                                               \
+    correlate_row_##channel[i] = (BYTE)golomb_decoding(find_bucket(channel_##channel,                         \
+                                                                   correlate_row_##channel[i - 1])->bestcode, \
+                                                       encoder->io_word, &codewordlen);                       \
+    CORRELATE(channel, &prev_row[i], &cur_row[i], correlate_row_##channel[i], bpc_mask,                       \
+              &cur_row[i]);                                                                                   \
+    decode_eatbits(encoder, codewordlen);
+
+static void FNAME_DECL(uncompress_row_seg)(const PIXEL * const prev_row,
+                                           PIXEL * const cur_row,
+                                           int i,
+                                           const int end,
+                                           const unsigned int bpc_mask)
+{
+    DECLARE_STATE_VARIABLES;
+    DECLARE_CHANNEL_VARIABLES;
+    const unsigned int waitmask = bppmask[state->wmidx];
+    int stopidx;
+    int run_index = 0;
+    int run_end;
+
+    spice_assert(end - i > 0);
+
+    if (i == 0) {
+        unsigned int codewordlen;
+
+        UNCOMPRESS_PIX_START(&cur_row[i]);
+        APPLY_ALL_COMP(UNCOMPRESS_ONE_0);
+
+        if (state->waitcnt) {
+            --state->waitcnt;
+        } else {
+            state->waitcnt = (tabrand(&state->tabrand_seed) & waitmask);
+            UPDATE_MODEL(0);
+        }
+        stopidx = ++i + state->waitcnt;
+    } else {
+        stopidx = i + state->waitcnt;
+    }
+    for (;;) {
+        while (stopidx < end) {
+            for (; i <= stopidx; i++) {
+                unsigned int codewordlen;
+                RLE_PRED_IMP;
+                UNCOMPRESS_PIX_START(&cur_row[i]);
+                APPLY_ALL_COMP(UNCOMPRESS_ONE);
+            }
+
+            UPDATE_MODEL(stopidx);
+
+            stopidx = i + (tabrand(&state->tabrand_seed) & waitmask);
+        }
+
+        for (; i < end; i++) {
+            unsigned int codewordlen;
+            RLE_PRED_IMP;
+            UNCOMPRESS_PIX_START(&cur_row[i]);
+            APPLY_ALL_COMP(UNCOMPRESS_ONE);
+        }
+
+        state->waitcnt = stopidx - end;
+
+        return;
+
+do_run:
+        state->waitcnt = stopidx - i;
+        run_index = i;
+        run_end = decode_state_run(encoder, state);
+        if (run_end < 0 || run_end > (end - i)) {
+            encoder->usr->error(encoder->usr, "wrong RLE\n");
+        }
+        run_end += i;
+
+        for (; i < run_end; i++) {
+            UNCOMPRESS_PIX_START(&cur_row[i]);
+            COPY_PIXEL(&cur_row[i], &cur_row[i - 1]);
+        }
+
+        if (i == end) {
+            return;
+        }
+
+        stopidx = i + state->waitcnt;
+    }
+}
+
+static void FNAME_DECL(uncompress_row)(const PIXEL * const prev_row,
+                                       PIXEL * const cur_row,
+                                       unsigned int width)
+
+{
+    DECLARE_STATE_VARIABLES;
+    const unsigned int bpc_mask = BPC_MASK;
+    unsigned int pos = 0;
+
+    while ((DEFwmimax > (int)state->wmidx) && (state->wmileft <= width)) {
+        if (state->wmileft) {
+            FNAME_CALL(uncompress_row_seg)(prev_row, cur_row, pos,
+                                           pos + state->wmileft, bpc_mask);
+            pos += state->wmileft;
+            width -= state->wmileft;
+        }
+
+        state->wmidx++;
+        set_wm_trigger(state);
+        state->wmileft = DEFwminext;
+    }
+
+    if (width) {
+        FNAME_CALL(uncompress_row_seg)(prev_row, cur_row, pos,
+                                       pos + width, bpc_mask);
+        if (DEFwmimax > (int)state->wmidx) {
+            state->wmileft -= width;
+        }
+    }
+
+    spice_assert((int)state->wmidx <= DEFwmimax);
+    spice_assert(state->wmidx <= 32);
+    spice_assert(DEFwminext > 0);
+}
+
+#undef PIXEL
+#undef FARGS_CALL
+#undef FARGS_DECL
+#undef FNAME
+#undef FNAME_CALL
+#undef FNAME_DECL
+#undef _PIXEL_A
+#undef _PIXEL_B
+#undef SAME_PIXEL
+#undef RLE_PRED_IMP
+#undef UPDATE_MODEL
+#undef DECORRELATE_0
+#undef DECORRELATE
+#undef COMPRESS_ONE_0
+#undef COMPRESS_ONE
+#undef CORRELATE_0
+#undef CORRELATE
+#undef UNCOMPRESS_ONE_ROW0_0
+#undef UNCOMPRESS_ONE_ROW0
+#undef UNCOMPRESS_ONE_0
+#undef UNCOMPRESS_ONE
+#undef golomb_coding
+#undef golomb_decoding
+#undef update_model
+#undef find_bucket
+#undef family
+#undef BPC
+#undef BPC_MASK
+#undef COMPRESS_IMP
+#undef SET_r
+#undef GET_r
+#undef SET_g
+#undef GET_g
+#undef SET_b
+#undef GET_b
+#undef SET_a
+#undef GET_a
+#undef UNCOMPRESS_PIX_START
+#undef UPDATE_MODEL_COMP
+#undef APPLY_ALL_COMP
+#undef DECLARE_STATE_VARIABLES
+#undef DECLARE_CHANNEL_VARIABLES
+#undef COPY_PIXEL

common/recorder

@@ -0,0 +1 @@
+Subproject commit d5cbf6caba60d580401c72d0cd18c316cf1be211

common/recorder.h

@@ -0,0 +1,106 @@
+/*
+  Copyright (C) 2018 Red Hat, Inc.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+/* This file include recorder library headers or if disabled provide
+ * replacement declarations */
+
+#ifdef ENABLE_RECORDER
+#include <common/recorder/recorder.h>
+
+#elif defined(ENABLE_AGENT_INTERFACE)
+#include <common/agent_interface.h>
+
+#else
+
+#include <stdio.h>
+#include <stdint.h>
+#include <spice/macros.h>
+
+/* Replacement declarations.
+ * There declarations should generate no code (beside when no optimization are
+ * selected) but catch some possible programming warnings/errors at
+ * compile/link time like:
+ * - usage of undeclared recorders;
+ * - recording formats and arguments;
+ * - matching RECORD_TIMING_BEGIN and RECORD_TIMING_END.
+ * The only exceptions are tweaks which just generate a variable to hold the
+ * value.
+ */
+
+typedef struct SpiceEmptyStruct {
+    char dummy[0];
+} SpiceEmptyStruct;
+
+typedef struct SpiceDummyTweak {
+    intptr_t tweak_value;
+} SpiceDummyTweak;
+
+#define RECORDER_DECLARE(rec) \
+    extern const SpiceEmptyStruct spice_recorder_ ## rec
+#define RECORDER(rec, num_rings, comment) \
+    RECORDER_DEFINE(rec, num_rings, comment)
+#define RECORDER_DEFINE(rec, num_rings, comment) \
+    const SpiceEmptyStruct SPICE_GNUC_UNUSED spice_recorder_ ## rec = {}
+#define RECORDER_TRACE(rec) \
+    (sizeof(spice_recorder_ ## rec) != sizeof(SpiceEmptyStruct))
+#define RECORDER_TWEAK_DECLARE(rec) \
+    extern const SpiceDummyTweak spice_recorder_tweak_ ## rec
+#define RECORDER_TWEAK_DEFINE(rec, value, comment) \
+    const SpiceDummyTweak spice_recorder_tweak_ ## rec = { (value) }
+#define RECORDER_TWEAK(rec) \
+    ((spice_recorder_tweak_ ## rec).tweak_value)
+#define RECORD(rec, ...) do { \
+        if (sizeof((spice_recorder_ ## rec).dummy)) printf(__VA_ARGS__); \
+    } while(0)
+#define RECORD_TIMING_BEGIN(rec) \
+    do { RECORD(rec, "begin");
+#define RECORD_TIMING_END(rec, op, name, value) \
+        RECORD(rec, "end" op name); \
+    } while(0)
+#define record(...) \
+    RECORD(__VA_ARGS__)
+static inline void
+recorder_dump_on_common_signals(unsigned add, unsigned remove)
+{
+}
+#endif
+
+#if !defined(ENABLE_AGENT_INTERFACE)
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+/* Stubs for Agent-Interface specific definitions */
+static inline void
+agent_interface_start(unsigned int port)
+{
+}
+
+typedef void (*forward_quality_cb_t)(void *, const char *);
+static inline void
+agent_interface_set_forward_quality_cb(forward_quality_cb_t cb, void *data)
+{
+}
+
+typedef int (*on_connect_cb_t)(void *);
+static inline void
+agent_interface_set_on_connect_cb(on_connect_cb_t cb, void *data)
+{
+}
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+#endif

common/rect.h

@@ -16,17 +16,16 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef _H_RECT
+#ifndef H_SPICE_COMMON_RECT
-#define _H_RECT
+#define H_SPICE_COMMON_RECT
 
-#include "draw.h"
 #include <spice/macros.h>
+#include "draw.h"
+#include "log.h"
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
 
-static INLINE void rect_sect(SpiceRect* r, const SpiceRect* bounds)
+static inline void rect_sect(SpiceRect* r, const SpiceRect* bounds)
 {
     r->left = MAX(r->left, bounds->left);
     r->right = MIN(r->right, bounds->right);
@@ -37,7 +36,7 @@ static INLINE void rect_sect(SpiceRect* r, const SpiceRect* bounds)
     r->bottom = MAX(r->top, r->bottom);
 }
 
-static INLINE void rect_offset(SpiceRect* r, int dx, int dy)
+static inline void rect_offset(SpiceRect* r, int dx, int dy)
 {
     r->left += dx;
     r->right += dx;
@@ -45,24 +44,24 @@ static INLINE void rect_offset(SpiceRect* r, int dx, int dy)
     r->bottom += dy;
 }
 
-static INLINE int rect_is_empty(const SpiceRect* r)
+static inline int rect_is_empty(const SpiceRect* r)
 {
     return r->top == r->bottom || r->left == r->right;
 }
 
-static INLINE int rect_intersects(const SpiceRect* r1, const SpiceRect* r2)
+static inline int rect_intersects(const SpiceRect* r1, const SpiceRect* r2)
 {
     return r1->left < r2->right && r1->right > r2->left &&
            r1->top < r2->bottom && r1->bottom > r2->top;
 }
 
-static INLINE int rect_is_equal(const SpiceRect *r1, const SpiceRect *r2)
+static inline int rect_is_equal(const SpiceRect *r1, const SpiceRect *r2)
 {
     return r1->top == r2->top && r1->left == r2->left &&
            r1->bottom == r2->bottom && r1->right == r2->right;
 }
 
-static INLINE void rect_union(SpiceRect *dest, const SpiceRect *r)
+static inline void rect_union(SpiceRect *dest, const SpiceRect *r)
 {
     dest->top = MIN(dest->top, r->top);
     dest->left = MIN(dest->left, r->left);
@@ -70,15 +69,29 @@ static INLINE void rect_union(SpiceRect *dest, const SpiceRect *r)
     dest->right = MAX(dest->right, r->right);
 }
 
-static INLINE int rect_is_same_size(const SpiceRect *r1, const SpiceRect *r2)
+static inline int rect_is_same_size(const SpiceRect *r1, const SpiceRect *r2)
 {
     return r1->right - r1->left == r2->right - r2->left &&
            r1->bottom - r1->top == r2->bottom - r2->top;
 }
 
-#ifdef __cplusplus
+static inline int rect_contains(const SpiceRect *big_rect, const SpiceRect *small_rect)
+{
+    return big_rect->left <= small_rect->left && big_rect->right >= small_rect->right &&
+           big_rect->top <= small_rect->top && big_rect->bottom >= small_rect->bottom;
 }
-#endif
+
+static inline int rect_get_area(const SpiceRect *r)
+{
+    return (r->right - r->left) * (r->bottom - r->top);
+}
+
+static inline void rect_debug(const SpiceRect *r)
+{
+    spice_debug("(%d, %d) (%d, %d)", r->left, r->top, r->right, r->bottom);
+}
+
+SPICE_END_DECLS
 
 #ifdef __cplusplus
 
@@ -117,6 +130,21 @@ static inline int rect_is_same_size(const SpiceRect& r1, const SpiceRect& r2)
     return rect_is_same_size(&r1, &r2);
 }
 
-#endif
+static inline int rect_contains(const SpiceRect& big_rect, const SpiceRect& small_rect)
+{
+    return rect_contains(&big_rect, &small_rect);
+}
+
+static inline int rect_get_area(const SpiceRect& r)
+{
+    return rect_get_area(&r);
+}
+
+static inline void rect_debug(const SpiceRect &r)
+{
+    rect_debug(&r);
+}
+
+#endif /* __cplusplus */
 
 #endif

common/region.c

@@ -15,9 +15,7 @@
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #include <stdio.h>
 #include <string.h>
@@ -386,6 +384,17 @@ void region_ret_rects(const QRegion *rgn, SpiceRect *rects, uint32_t num_rects)
     }
 }
 
+void region_extents(const QRegion *rgn, SpiceRect *r)
+{
+    pixman_box32_t *extents;
+
+    extents = pixman_region32_extents((pixman_region32_t *)rgn);
+
+    r->left = extents->x1;
+    r->top = extents->y1;
+    r->right = extents->x2;
+    r->bottom = extents->y2;
+}
 
 int region_is_equal(const QRegion *rgn1, const QRegion *rgn2)
 {
@@ -409,7 +418,7 @@ int region_bounds_intersects(const QRegion *rgn1, const QRegion *rgn2)
     pixman_box32_t *extents1, *extents2;
 
     extents1 = pixman_region32_extents((pixman_region32_t *)rgn1);
-    extents2 = pixman_region32_extents((pixman_region32_t *)rgn1);
+    extents2 = pixman_region32_extents((pixman_region32_t *)rgn2);
 
     return EXTENTCHECK(extents1, extents2);
 }
@@ -441,6 +450,7 @@ void region_xor(QRegion *rgn, const QRegion *other_rgn)
 {
     pixman_region32_t intersection;
 
+    pixman_region32_init(&intersection);
     pixman_region32_copy(&intersection, rgn);
     pixman_region32_intersect(&intersection,
                               &intersection,
@@ -510,381 +520,3 @@ void region_dump(const QRegion *rgn, const char *prefix)
                rects[i].y2);
     }
 }
-
-#ifdef REGION_TEST
-
-static int slow_region_test(const QRegion *rgn, const QRegion *other_rgn, int query)
-{
-    pixman_region32_t intersection;
-    int res;
-
-    pixman_region32_init(&intersection);
-    pixman_region32_intersect(&intersection,
-                              (pixman_region32_t *)rgn,
-                              (pixman_region32_t *)other_rgn);
-
-    res = 0;
-
-    if (query & REGION_TEST_SHARED &&
-        pixman_region32_not_empty(&intersection)) {
-        res |= REGION_TEST_SHARED;
-    }
-
-    if (query & REGION_TEST_LEFT_EXCLUSIVE &&
-        !pixman_region32_equal(&intersection, (pixman_region32_t *)rgn)) {
-        res |= REGION_TEST_LEFT_EXCLUSIVE;
-    }
-
-    if (query & REGION_TEST_RIGHT_EXCLUSIVE &&
-        !pixman_region32_equal(&intersection, (pixman_region32_t *)other_rgn)) {
-        res |= REGION_TEST_RIGHT_EXCLUSIVE;
-    }
-
-    pixman_region32_fini(&intersection);
-
-    return res;
-}
-
-
-static int rect_is_valid(const SpiceRect *r)
-{
-    if (r->top > r->bottom || r->left > r->right) {
-        printf("%s: invalid rect\n", __FUNCTION__);
-        return FALSE;
-    }
-    return TRUE;
-}
-
-static void rect_set(SpiceRect *r, int32_t top, int32_t left, int32_t bottom, int32_t right)
-{
-    r->top = top;
-    r->left = left;
-    r->bottom = bottom;
-    r->right = right;
-    ASSERT(rect_is_valid(r));
-}
-
-static void random_region(QRegion *reg)
-{
-    int i;
-    int num_rects;
-    int x, y, w, h;
-    SpiceRect _r;
-    SpiceRect *r = &_r;
-
-    region_clear(reg);
-
-    num_rects = rand() % 20;
-    for (i = 0; i < num_rects; i++) {
-        x = rand()%100;
-        y = rand()%100;
-        w = rand()%100;
-        h = rand()%100;
-        rect_set(r,
-                 x, y,
-                 x+w, y+h);
-        region_add(reg, r);
-    }
-}
-
-static void test(const QRegion *r1, const QRegion *r2, int *expected)
-{
-    printf("r1 is_empty %s [%s]\n",
-           region_is_empty(r1) ? "TRUE" : "FALSE",
-           (region_is_empty(r1) == *(expected++)) ? "OK" : "ERR");
-    printf("r2 is_empty %s [%s]\n",
-           region_is_empty(r2) ? "TRUE" : "FALSE",
-           (region_is_empty(r2) == *(expected++)) ? "OK" : "ERR");
-    printf("is_equal %s [%s]\n",
-           region_is_equal(r1, r2) ? "TRUE" : "FALSE",
-           (region_is_equal(r1, r2) == *(expected++)) ? "OK" : "ERR");
-    printf("intersects %s [%s]\n",
-           region_intersects(r1, r2) ? "TRUE" : "FALSE",
-           (region_intersects(r1, r2) == *(expected++)) ? "OK" : "ERR");
-    printf("contains %s [%s]\n",
-           region_contains(r1, r2) ? "TRUE" : "FALSE",
-           (region_contains(r1, r2) == *(expected++)) ? "OK" : "ERR");
-}
-
-enum {
-    EXPECT_R1_EMPTY,
-    EXPECT_R2_EMPTY,
-    EXPECT_EQUAL,
-    EXPECT_SECT,
-    EXPECT_CONT,
-};
-
-int main(void)
-{
-    QRegion _r1, _r2, _r3;
-    QRegion *r1 = &_r1;
-    QRegion *r2 = &_r2;
-    QRegion *r3 = &_r3;
-    SpiceRect _r;
-    SpiceRect *r = &_r;
-    int expected[5];
-    int i, j;
-
-    region_init(r1);
-    region_init(r2);
-
-    printf("dump r1 empty rgn [%s]\n", region_is_valid(r1) ? "VALID" : "INVALID");
-    region_dump(r1, "");
-    expected[EXPECT_R1_EMPTY] = TRUE;
-    expected[EXPECT_R2_EMPTY] = TRUE;
-    expected[EXPECT_EQUAL] = TRUE;
-    expected[EXPECT_SECT] = FALSE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    region_clone(r3, r1);
-    printf("dump r3 clone rgn [%s]\n", region_is_valid(r3) ? "VALID" : "INVALID");
-    region_dump(r3, "");
-    expected[EXPECT_R1_EMPTY] = TRUE;
-    expected[EXPECT_R2_EMPTY] = TRUE;
-    expected[EXPECT_EQUAL] = TRUE;
-    expected[EXPECT_SECT] = FALSE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r3, expected);
-    region_destroy(r3);
-    printf("\n");
-
-    rect_set(r, 0, 0, 100, 100);
-    region_add(r1, r);
-    printf("dump r1 [%s]\n", region_is_valid(r1) ? "VALID" : "INVALID");
-    region_dump(r1, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = TRUE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = FALSE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    region_clear(r1);
-    rect_set(r, 0, 0, 0, 0);
-    region_add(r1, r);
-    printf("dump r1 [%s]\n", region_is_valid(r1) ? "VALID" : "INVALID");
-    region_dump(r1, "");
-    expected[EXPECT_R1_EMPTY] = TRUE;
-    expected[EXPECT_R2_EMPTY] = TRUE;
-    expected[EXPECT_EQUAL] = TRUE;
-    expected[EXPECT_SECT] = FALSE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    rect_set(r, -100, -100, 0, 0);
-    region_add(r1, r);
-    printf("dump r1 [%s]\n", region_is_valid(r1) ? "VALID" : "INVALID");
-    region_dump(r1, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = TRUE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = FALSE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    region_clear(r1);
-    rect_set(r, -100, -100, 100, 100);
-    region_add(r1, r);
-    printf("dump r1 [%s]\n", region_is_valid(r1) ? "VALID" : "INVALID");
-    region_dump(r1, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = TRUE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = FALSE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r2, expected);
-    printf("\n");
-
-
-    region_clear(r1);
-    region_clear(r2);
-
-    rect_set(r, 100, 100, 200, 200);
-    region_add(r1, r);
-    printf("dump r1 [%s]\n", region_is_valid(r1) ? "VALID" : "INVALID");
-    region_dump(r1, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = TRUE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = FALSE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    rect_set(r, 300, 300, 400, 400);
-    region_add(r1, r);
-    printf("dump r1 [%s]\n", region_is_valid(r1) ? "VALID" : "INVALID");
-    region_dump(r1, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = TRUE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = FALSE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    rect_set(r, 500, 500, 600, 600);
-    region_add(r2, r);
-    printf("dump r2 [%s]\n", region_is_valid(r2) ? "VALID" : "INVALID");
-    region_dump(r2, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = FALSE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = FALSE;
-    expected[EXPECT_CONT] = FALSE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    region_clear(r2);
-
-    rect_set(r, 100, 100, 200, 200);
-    region_add(r2, r);
-    rect_set(r, 300, 300, 400, 400);
-    region_add(r2, r);
-    printf("dump r2 [%s]\n", region_is_valid(r2) ? "VALID" : "INVALID");
-    region_dump(r2, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = FALSE;
-    expected[EXPECT_EQUAL] = TRUE;
-    expected[EXPECT_SECT] = TRUE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    region_clear(r2);
-
-    rect_set(r, 100, 100, 200, 200);
-    region_add(r2, r);
-    printf("dump r2 [%s]\n", region_is_valid(r2) ? "VALID" : "INVALID");
-    region_dump(r2, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = FALSE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = TRUE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    region_clear(r2);
-
-    rect_set(r, -2000, -2000, -1000, -1000);
-    region_add(r2, r);
-    printf("dump r2 [%s]\n", region_is_valid(r2) ? "VALID" : "INVALID");
-    region_dump(r2, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = FALSE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = FALSE;
-    expected[EXPECT_CONT] = FALSE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    region_clear(r2);
-
-    rect_set(r, -2000, -2000, 1000, 1000);
-    region_add(r2, r);
-    printf("dump r2 [%s]\n", region_is_valid(r2) ? "VALID" : "INVALID");
-    region_dump(r2, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = FALSE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = TRUE;
-    expected[EXPECT_CONT] = FALSE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    region_clear(r2);
-
-    rect_set(r, 150, 150, 175, 175);
-    region_add(r2, r);
-    printf("dump r2 [%s]\n", region_is_valid(r2) ? "VALID" : "INVALID");
-    region_dump(r2, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = FALSE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = TRUE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    region_clear(r2);
-
-    rect_set(r, 150, 150, 350, 350);
-    region_add(r2, r);
-    printf("dump r2 [%s]\n", region_is_valid(r2) ? "VALID" : "INVALID");
-    region_dump(r2, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = FALSE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = TRUE;
-    expected[EXPECT_CONT] = FALSE;
-    test(r1, r2, expected);
-    printf("\n");
-
-    region_and(r2, r1);
-    printf("dump r2 and r1 [%s]\n", region_is_valid(r2) ? "VALID" : "INVALID");
-    region_dump(r2, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = FALSE;
-    expected[EXPECT_EQUAL] = FALSE;
-    expected[EXPECT_SECT] = TRUE;
-    expected[EXPECT_CONT] = FALSE;
-    test(r2, r1, expected);
-    printf("\n");
-
-
-    region_clone(r3, r1);
-    printf("dump r3 clone rgn [%s]\n", region_is_valid(r3) ? "VALID" : "INVALID");
-    region_dump(r3, "");
-    expected[EXPECT_R1_EMPTY] = FALSE;
-    expected[EXPECT_R2_EMPTY] = FALSE;
-    expected[EXPECT_EQUAL] = TRUE;
-    expected[EXPECT_SECT] = TRUE;
-    expected[EXPECT_CONT] = TRUE;
-    test(r1, r3, expected);
-    printf("\n");
-
-    j = 0;
-    for (i = 0; i < 1000000; i++) {
-        int res1, res2, test;
-        int tests[] = {
-            REGION_TEST_LEFT_EXCLUSIVE,
-            REGION_TEST_RIGHT_EXCLUSIVE,
-            REGION_TEST_SHARED,
-            REGION_TEST_LEFT_EXCLUSIVE | REGION_TEST_RIGHT_EXCLUSIVE,
-            REGION_TEST_LEFT_EXCLUSIVE | REGION_TEST_SHARED,
-            REGION_TEST_RIGHT_EXCLUSIVE | REGION_TEST_SHARED,
-            REGION_TEST_LEFT_EXCLUSIVE | REGION_TEST_RIGHT_EXCLUSIVE | REGION_TEST_SHARED
-        };
-
-        random_region(r1);
-        random_region(r2);
-
-        for (test = 0; test < 7; test++) {
-            res1 = region_test(r1, r2, tests[test]);
-            res2 = slow_region_test(r1, r2, tests[test]);
-            if (res1 != res2) {
-                printf ("Error in region_test %d, got %d, expected %d, query=%d\n",
-                        j, res1, res2, tests[test]);
-                printf ("r1:\n");
-                region_dump(r1, "");
-                printf ("r2:\n");
-                region_dump(r2, "");
-            }
-            j++;
-        }
-    }
-
-    region_destroy(r3);
-    region_destroy(r1);
-    region_destroy(r2);
-
-    return 0;
-}
-
-#endif

common/region.h

@@ -16,21 +16,24 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef _H_REGION
+#ifndef H_SPICE_COMMON_REGION
-#define _H_REGION
+#define H_SPICE_COMMON_REGION
 
 #include <stdint.h>
-#include "draw.h"
+#include <spice/macros.h>
-#include <pixman_utils.h>
 
-#ifdef __cplusplus
+#include "draw.h"
-extern "C" {
+#include "pixman_utils.h"
-#endif
+
+SPICE_BEGIN_DECLS
 
 typedef pixman_region32_t QRegion;
 
+/* the left region is not contained entirely within the right region */
 #define REGION_TEST_LEFT_EXCLUSIVE (1 << 0)
+/* the right region is not contained entirely within the left region */
 #define REGION_TEST_RIGHT_EXCLUSIVE (1 << 1)
+/* the regions overlap */
 #define REGION_TEST_SHARED (1 << 2)
 #define REGION_TEST_ALL \
     (REGION_TEST_LEFT_EXCLUSIVE | REGION_TEST_RIGHT_EXCLUSIVE | REGION_TEST_SHARED)
@@ -41,6 +44,7 @@ void region_destroy(QRegion *rgn);
 void region_clone(QRegion *dest, const QRegion *src);
 SpiceRect *region_dup_rects(const QRegion *rgn, uint32_t *num_rects);
 void region_ret_rects(const QRegion *rgn, SpiceRect *rects, uint32_t num_rects);
+void region_extents(const QRegion *rgn, SpiceRect *r);
 
 int region_test(const QRegion *rgn, const QRegion *other_rgn, int query);
 int region_is_valid(const QRegion *rgn);
@@ -61,10 +65,9 @@ void region_remove(QRegion *rgn, const SpiceRect *r);
 
 void region_offset(QRegion *rgn, int32_t dx, int32_t dy);
 
+
 void region_dump(const QRegion *rgn, const char *prefix);
 
-#ifdef __cplusplus
+SPICE_END_DECLS
-}
-#endif
 
 #endif

common/ring.h

@@ -16,14 +16,12 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef _H_RING2
+#ifndef H_SPICE_COMMON_RING
-#define _H_RING2
+#define H_SPICE_COMMON_RING
 
-#include "spice_common.h"
+#include "log.h"
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
 
 typedef struct Ring RingItem;
 typedef struct Ring {
@@ -48,14 +46,14 @@ static inline int ring_item_is_linked(RingItem *item)
 
 static inline int ring_is_empty(Ring *ring)
 {
-    ASSERT(ring->next != NULL && ring->prev != NULL);
+    spice_assert(ring->next != NULL && ring->prev != NULL);
     return ring == ring->next;
 }
 
 static inline void ring_add(Ring *ring, RingItem *item)
 {
-    ASSERT(ring->next != NULL && ring->prev != NULL);
+    spice_assert(ring->next != NULL && ring->prev != NULL);
-    ASSERT(item->next == NULL && item->prev == NULL);
+    spice_assert(item->next == NULL && item->prev == NULL);
 
     item->next = ring->next;
     item->prev = ring;
@@ -72,54 +70,43 @@ static inline void ring_add_before(RingItem *item, RingItem *pos)
     ring_add(pos->prev, item);
 }
 
-static inline void __ring_remove(RingItem *item)
-{
-    item->next->prev = item->prev;
-    item->prev->next = item->next;
-    item->prev = item->next = 0;
-}
-
 static inline void ring_remove(RingItem *item)
 {
-    ASSERT(item->next != NULL && item->prev != NULL);
+    spice_assert(item->next != NULL && item->prev != NULL);
-    ASSERT(item->next != item);
+    spice_assert(item->next != item);
 
-    __ring_remove(item);
+    item->next->prev = item->prev;
+    item->prev->next = item->next;
+    item->prev = item->next = NULL;
 }
 
 static inline RingItem *ring_get_head(Ring *ring)
 {
-    RingItem *ret;
+    spice_assert(ring->next != NULL && ring->prev != NULL);
-
-    ASSERT(ring->next != NULL && ring->prev != NULL);
 
     if (ring_is_empty(ring)) {
         return NULL;
     }
-    ret = ring->next;
+    return ring->next;
-    return ret;
 }
 
 static inline RingItem *ring_get_tail(Ring *ring)
 {
-    RingItem *ret;
+    spice_assert(ring->next != NULL && ring->prev != NULL);
-
-    ASSERT(ring->next != NULL && ring->prev != NULL);
 
     if (ring_is_empty(ring)) {
         return NULL;
     }
-    ret = ring->prev;
+    return ring->prev;
-    return ret;
 }
 
 static inline RingItem *ring_next(Ring *ring, RingItem *pos)
 {
     RingItem *ret;
 
-    ASSERT(ring->next != NULL && ring->prev != NULL);
+    spice_assert(ring->next != NULL && ring->prev != NULL);
-    ASSERT(pos);
+    spice_assert(pos);
-    ASSERT(pos->next != NULL && pos->prev != NULL);
+    spice_assert(pos->next != NULL && pos->prev != NULL);
     ret = pos->next;
     return (ret == ring) ? NULL : ret;
 }
@@ -128,9 +115,9 @@ static inline RingItem *ring_prev(Ring *ring, RingItem *pos)
 {
     RingItem *ret;
 
-    ASSERT(ring->next != NULL && ring->prev != NULL);
+    spice_assert(ring->next != NULL && ring->prev != NULL);
-    ASSERT(pos);
+    spice_assert(pos);
-    ASSERT(pos->next != NULL && pos->prev != NULL);
+    spice_assert(pos->next != NULL && pos->prev != NULL);
     ret = pos->prev;
     return (ret == ring) ? NULL : ret;
 }
@@ -157,16 +144,12 @@ static inline unsigned int ring_get_length(Ring *ring)
     RingItem *i;
     unsigned int ret = 0;
 
-    for (i = ring_get_head(ring);
+    RING_FOREACH(i, ring)
-         i != NULL;
-         i = ring_next(ring, i))
         ret++;
 
     return ret;
 }
 
-#ifdef __cplusplus
+SPICE_END_DECLS
-}
-#endif
 
 #endif

common/rop3.c

@@ -15,14 +15,9 @@
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
-
-#include <stdio.h>
 
 #include "rop3.h"
-#include "spice_common.h"
 
 typedef void (*rop3_with_pattern_handler_t)(pixman_image_t *d, pixman_image_t *s,
                                             SpicePoint *src_pos, pixman_image_t *p,
@@ -43,17 +38,21 @@ static rop3_test_handler_t rop3_test_handlers_32[ROP3_NUM_OPS];
 static rop3_test_handler_t rop3_test_handlers_16[ROP3_NUM_OPS];
 
 
-static void default_rop3_with_pattern_handler(pixman_image_t *d, pixman_image_t *s,
+static void default_rop3_with_pattern_handler(SPICE_GNUC_UNUSED pixman_image_t *d,
-                                              SpicePoint *src_pos, pixman_image_t *p,
+                                              SPICE_GNUC_UNUSED pixman_image_t *s,
-                                              SpicePoint *pat_pos)
+                                              SPICE_GNUC_UNUSED SpicePoint *src_pos,
+                                              SPICE_GNUC_UNUSED pixman_image_t *p,
+                                              SPICE_GNUC_UNUSED SpicePoint *pat_pos)
 {
-    WARN("not implemented");
+    spice_critical("not implemented");
 }
 
-static void default_rop3_withe_color_handler(pixman_image_t *d, pixman_image_t *s, SpicePoint *src_pos,
+static void default_rop3_withe_color_handler(SPICE_GNUC_UNUSED pixman_image_t *d,
-                                             uint32_t rgb)
+                                             SPICE_GNUC_UNUSED pixman_image_t *s,
+                                             SPICE_GNUC_UNUSED SpicePoint *src_pos,
+                                             SPICE_GNUC_UNUSED uint32_t rgb)
 {
-    WARN("not implemented");
+    spice_critical("not implemented");
 }
 
 static void default_rop3_test_handler(void)
@@ -374,16 +373,10 @@ ROP3_HANDLERS(DPSoo, *src | *pat | *dest, 0xfe);
     rop3_test_handlers_32[index] = rop3_test32_##op;             \
     rop3_test_handlers_16[index] = rop3_test16_##op;
 
-void rop3_init(void)
+SPICE_CONSTRUCTOR_FUNC(rop3_global_init)
 {
-    static int need_init = 1;
     int i;
 
-    if (!need_init) {
-        return;
-    }
-    need_init = 0;
-
     for (i = 0; i < ROP3_NUM_OPS; i++) {
         rop3_with_pattern_handlers_32[i] = default_rop3_with_pattern_handler;
         rop3_with_pattern_handlers_16[i] = default_rop3_with_pattern_handler;
@@ -624,8 +617,8 @@ void do_rop3_with_pattern(uint8_t rop3, pixman_image_t *d, pixman_image_t *s, Sp
     int bpp;
 
     bpp = spice_pixman_image_get_bpp(d);
-    ASSERT (bpp == spice_pixman_image_get_bpp(s));
+    spice_assert(bpp == spice_pixman_image_get_bpp(s));
-    ASSERT (bpp == spice_pixman_image_get_bpp(p));
+    spice_assert(bpp == spice_pixman_image_get_bpp(p));
 
     if (bpp == 32) {
         rop3_with_pattern_handlers_32[rop3](d, s, src_pos, p, pat_pos);
@@ -640,7 +633,7 @@ void do_rop3_with_color(uint8_t rop3, pixman_image_t *d, pixman_image_t *s, Spic
     int bpp;
 
     bpp = spice_pixman_image_get_bpp(d);
-    ASSERT (bpp == spice_pixman_image_get_bpp(s));
+    spice_assert(bpp == spice_pixman_image_get_bpp(s));
 
     if (bpp == 32) {
         rop3_with_color_handlers_32[rop3](d, s, src_pos, rgb);

common/rop3.h

@@ -16,27 +16,22 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef _H_ROP3
+#ifndef H_SPICE_COMMON_ROP3
-#define _H_ROP3
+#define H_SPICE_COMMON_ROP3
 
 #include <stdint.h>
+#include <spice/macros.h>
 
 #include "draw.h"
 #include "pixman_utils.h"
 
-#ifdef __cplusplus
+SPICE_BEGIN_DECLS
-extern "C" {
-#endif
 
 void do_rop3_with_pattern(uint8_t rop3, pixman_image_t *d, pixman_image_t *s, SpicePoint *src_pos,
                           pixman_image_t *p, SpicePoint *pat_pos);
 void do_rop3_with_color(uint8_t rop3, pixman_image_t *d, pixman_image_t *s, SpicePoint *src_pos,
                         uint32_t rgb);
 
-void rop3_init(void);
+SPICE_END_DECLS
-
-#ifdef __cplusplus
-}
-#endif
 
 #endif

common/snd_codec.c

@@ -0,0 +1,276 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2013 Jeremy White
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* snd_codec.c
+     General purpose sound codec routines for use by Spice.
+   These routines abstract the work of picking a codec and
+   encoding and decoding the buffers.
+
+   See below for documentation of the public routines.
+*/
+
+#include "config.h"
+#include <stdio.h>
+#include <string.h>
+
+#if HAVE_OPUS
+#include  <opus.h>
+#endif
+
+#include <spice/macros.h>
+#include <spice/enums.h>
+
+#include "snd_codec.h"
+#include "mem.h"
+#include "log.h"
+
+typedef struct SndCodecInternal
+{
+    SpiceAudioDataMode mode;
+    int frequency;
+
+#if HAVE_OPUS
+    OpusEncoder *opus_encoder;
+    OpusDecoder *opus_decoder;
+#endif
+} SndCodecInternal;
+
+
+/* Opus support routines */
+#if HAVE_OPUS
+static void snd_codec_destroy_opus(SndCodecInternal *codec)
+{
+    if (codec->opus_decoder) {
+        opus_decoder_destroy(codec->opus_decoder);
+        codec->opus_decoder = NULL;
+    }
+
+    if (codec->opus_encoder) {
+        opus_encoder_destroy(codec->opus_encoder);
+        codec->opus_encoder = NULL;
+    }
+
+}
+
+static SndCodecResult snd_codec_create_opus(SndCodecInternal *codec, int purpose)
+{
+    int opus_error;
+
+    if (purpose & SND_CODEC_ENCODE) {
+        codec->opus_encoder = opus_encoder_create(codec->frequency,
+                                SND_CODEC_PLAYBACK_CHAN,
+                                OPUS_APPLICATION_AUDIO, &opus_error);
+        if (! codec->opus_encoder) {
+            g_warning("create opus encoder failed; error %d", opus_error);
+            goto error;
+        }
+    }
+
+    if (purpose & SND_CODEC_DECODE) {
+        codec->opus_decoder = opus_decoder_create(codec->frequency,
+                                SND_CODEC_PLAYBACK_CHAN, &opus_error);
+        if (! codec->opus_decoder) {
+            g_warning("create opus decoder failed; error %d", opus_error);
+            goto error;
+        }
+    }
+
+    codec->mode = SPICE_AUDIO_DATA_MODE_OPUS;
+    return SND_CODEC_OK;
+
+error:
+    snd_codec_destroy_opus(codec);
+    return SND_CODEC_UNAVAILABLE;
+}
+
+static SndCodecResult
+snd_codec_encode_opus(SndCodecInternal *codec, uint8_t *in_ptr, int in_size,
+                      uint8_t *out_ptr, int *out_size)
+{
+    int n;
+    if (in_size != SND_CODEC_OPUS_FRAME_SIZE * SND_CODEC_PLAYBACK_CHAN * 2)
+        return SND_CODEC_INVALID_ENCODE_SIZE;
+    n = opus_encode(codec->opus_encoder, (opus_int16 *) in_ptr, SND_CODEC_OPUS_FRAME_SIZE, out_ptr, *out_size);
+    if (n < 0) {
+        g_warning("opus_encode failed %d", n);
+        return SND_CODEC_ENCODE_FAILED;
+    }
+    *out_size = n;
+    return SND_CODEC_OK;
+}
+
+static SndCodecResult
+snd_codec_decode_opus(SndCodecInternal *codec, uint8_t *in_ptr, int in_size,
+                      uint8_t *out_ptr, int *out_size)
+{
+    int n;
+    n = opus_decode(codec->opus_decoder, in_ptr, in_size, (opus_int16 *) out_ptr,
+                *out_size / SND_CODEC_PLAYBACK_CHAN / 2, 0);
+    if (n < 0) {
+        g_warning("opus_decode failed %d", n);
+        return SND_CODEC_DECODE_FAILED;
+    }
+    *out_size = n * SND_CODEC_PLAYBACK_CHAN * 2 /* 16 fmt */;
+    return SND_CODEC_OK;
+}
+#endif
+
+
+/*----------------------------------------------------------------------------
+**          PUBLIC INTERFACE
+**--------------------------------------------------------------------------*/
+
+/*
+  snd_codec_is_capable
+    Returns true if the current spice implementation can
+      use the given codec, false otherwise.
+   mode must be a SPICE_AUDIO_DATA_MODE_XXX enum from spice/enum.h
+ */
+bool snd_codec_is_capable(SpiceAudioDataMode mode, int frequency)
+{
+#if HAVE_OPUS
+    if (mode == SPICE_AUDIO_DATA_MODE_OPUS &&
+         (frequency == SND_CODEC_ANY_FREQUENCY ||
+          frequency == 48000 || frequency == 24000 ||
+          frequency == 16000 || frequency == 12000 ||
+          frequency == 8000) )
+        return true;
+#endif
+
+    return false;
+}
+
+/*
+  snd_codec_create
+    Create a codec control.  Required for most functions in this library.
+    Parameters:
+      1.  codec     Pointer to preallocated codec control
+      2.  mode      SPICE_AUDIO_DATA_MODE_XXX enum from spice/enum.h
+      3.  encode    TRUE if encoding is desired
+      4.  decode    TRUE if decoding is desired
+     Returns:
+       SND_CODEC_OK  if all went well; a different code if not.
+
+  snd_codec_destroy is the obvious partner of snd_codec_create.
+ */
+SndCodecResult
+snd_codec_create(SndCodec *codec, SpiceAudioDataMode mode, int frequency, int purpose)
+{
+    SndCodecResult rc = SND_CODEC_UNAVAILABLE;
+    SndCodecInternal **c = codec;
+
+    *c = spice_new0(SndCodecInternal, 1);
+    (*c)->frequency = frequency;
+
+#if HAVE_OPUS
+    if (mode == SPICE_AUDIO_DATA_MODE_OPUS)
+        rc = snd_codec_create_opus(*c, purpose);
+#endif
+
+    return rc;
+}
+
+/*
+  snd_codec_destroy
+    The obvious companion to snd_codec_create
+*/
+void snd_codec_destroy(SndCodec *codec)
+{
+    SndCodecInternal **c = codec;
+    if (! c || ! *c)
+        return;
+
+#if HAVE_OPUS
+    snd_codec_destroy_opus(*c);
+#endif
+
+    free(*c);
+    *c = NULL;
+}
+
+/*
+  snd_codec_frame_size
+    Returns the size, in frames, of the raw PCM frame buffer
+      required by this codec.  To get bytes, you'll need
+      to multiply by channels and sample width.
+ */
+int snd_codec_frame_size(SndCodec codec)
+{
+#if HAVE_OPUS
+    SndCodecInternal *c = codec;
+    if (c && c->mode == SPICE_AUDIO_DATA_MODE_OPUS)
+        return SND_CODEC_OPUS_FRAME_SIZE;
+#endif
+    return SND_CODEC_MAX_FRAME_SIZE;
+}
+
+/*
+  snd_codec_encode
+     Encode a block of data to a compressed buffer.
+
+  Parameters:
+    1.  codec       Pointer to codec control previously allocated + created
+    2.  in_ptr      Pointer to uncompressed PCM data
+    3.  in_size     Input size
+    4.  out_ptr     Pointer to area to write encoded data
+    5.  out_size    On input, the maximum size of the output buffer; on
+                    successful return, it will hold the number of bytes
+                    returned.
+
+     Returns:
+       SND_CODEC_OK  if all went well
+*/
+SndCodecResult
+snd_codec_encode(SndCodec codec, uint8_t *in_ptr, int in_size, uint8_t *out_ptr, int *out_size)
+{
+#if HAVE_OPUS
+    SndCodecInternal *c = codec;
+    if (c && c->mode == SPICE_AUDIO_DATA_MODE_OPUS)
+        return snd_codec_encode_opus(c, in_ptr, in_size, out_ptr, out_size);
+#endif
+
+    return SND_CODEC_ENCODER_UNAVAILABLE;
+}
+
+/*
+  snd_codec_decode
+     Decode a block of data from a compressed buffer.
+
+  Parameters:
+    1.  codec       Pointer to codec control previously allocated + created
+    2.  in_ptr      Pointer to compressed data
+    3.  in_size     Input size
+    4.  out_ptr     Pointer to area to write decoded data
+    5.  out_size    On input, the maximum size of the output buffer; on
+                    successful return, it will hold the number of bytes
+                    returned.
+
+     Returns:
+       SND_CODEC_OK  if all went well
+*/
+SndCodecResult
+snd_codec_decode(SndCodec codec, uint8_t *in_ptr, int in_size, uint8_t *out_ptr, int *out_size)
+{
+#if HAVE_OPUS
+    SndCodecInternal *c = codec;
+    if (c && c->mode == SPICE_AUDIO_DATA_MODE_OPUS)
+        return snd_codec_decode_opus(c, in_ptr, in_size, out_ptr, out_size);
+#endif
+
+    return SND_CODEC_DECODER_UNAVAILABLE;
+}

common/snd_codec.h

@@ -0,0 +1,69 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2013 Jeremy White <jwhite@codeweavers.com>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef H_SPICE_COMMON_SND_CODEC
+#define H_SPICE_COMMON_SND_CODEC
+
+#include <stdbool.h>
+#include <spice/enums.h>
+
+#define SND_CODEC_OPUS_FRAME_SIZE       480
+#define SND_CODEC_OPUS_PLAYBACK_FREQ    48000
+#define SND_CODEC_OPUS_COMPRESSED_FRAME_BYTES 480
+
+#define SND_CODEC_PLAYBACK_CHAN         2
+
+#define SND_CODEC_MAX_FRAME_SIZE        SND_CODEC_OPUS_FRAME_SIZE
+#define SND_CODEC_MAX_FRAME_BYTES       (SND_CODEC_MAX_FRAME_SIZE * SND_CODEC_PLAYBACK_CHAN * 2 /* FMT_S16 */)
+#define SND_CODEC_MAX_COMPRESSED_BYTES  SND_CODEC_OPUS_COMPRESSED_FRAME_BYTES
+
+#define SND_CODEC_ANY_FREQUENCY        -1
+
+#define SND_CODEC_ENCODE                0x0001
+#define SND_CODEC_DECODE                0x0002
+
+SPICE_BEGIN_DECLS
+
+typedef enum {
+    SND_CODEC_OK,
+    SND_CODEC_UNAVAILABLE,
+    SND_CODEC_ENCODER_UNAVAILABLE,
+    SND_CODEC_DECODER_UNAVAILABLE,
+    SND_CODEC_ENCODE_FAILED,
+    SND_CODEC_DECODE_FAILED,
+    SND_CODEC_INVALID_ENCODE_SIZE,
+} SndCodecResult;
+
+typedef struct SndCodecInternal * SndCodec;
+
+bool snd_codec_is_capable(SpiceAudioDataMode mode, int frequency);
+
+SndCodecResult snd_codec_create(SndCodec *codec,
+                                SpiceAudioDataMode mode, int frequency, int purpose);
+void snd_codec_destroy(SndCodec *codec);
+
+int  snd_codec_frame_size(SndCodec codec);
+
+SndCodecResult snd_codec_encode(SndCodec codec, uint8_t *in_ptr, int in_size,
+                                uint8_t *out_ptr, int *out_size);
+SndCodecResult snd_codec_decode(SndCodec codec, uint8_t *in_ptr, int in_size,
+                                uint8_t *out_ptr, int *out_size);
+
+SPICE_END_DECLS
+
+#endif

common/ssl_verify.c

@@ -16,12 +16,11 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #include "mem.h"
 #include "ssl_verify.h"
+#include "log.h"
 
 #ifndef WIN32
 #include <sys/socket.h>
@@ -29,21 +28,14 @@
 #include <arpa/inet.h>
 #endif
 #include <ctype.h>
+#include <string.h>
+#include <gio/gio.h>
 
-#ifndef SPICE_DEBUG
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || \
-# define SPICE_DEBUG(format, ...)
+    (defined (LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000)
-#endif
+static const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *asn1)
-
-#ifdef WIN32
-static int inet_aton(const char* ip, struct in_addr* in_addr)
 {
-    unsigned long addr = inet_addr(ip);
+    return M_ASN1_STRING_data(asn1);
-
-    if (addr == INADDR_NONE) {
-        return 0;
-    }
-    in_addr->S_un.S_addr = addr;
-    return 1;
 }
 #endif
 
@@ -58,36 +50,41 @@ static int verify_pubkey(X509* cert, const char *key, size_t key_size)
         return 0;
 
     if (!cert) {
-        SPICE_DEBUG("warning: no cert!");
+        spice_debug("warning: no cert!");
         return 0;
     }
 
     cert_pubkey = X509_get_pubkey(cert);
     if (!cert_pubkey) {
-        SPICE_DEBUG("warning: reading public key from certificate failed");
+        spice_debug("warning: reading public key from certificate failed");
         goto finish;
     }
 
     bio = BIO_new_mem_buf((void*)key, key_size);
     if (!bio) {
-        SPICE_DEBUG("creating BIO failed");
+        spice_debug("creating BIO failed");
         goto finish;
     }
 
     orig_pubkey = d2i_PUBKEY_bio(bio, NULL);
     if (!orig_pubkey) {
-        SPICE_DEBUG("reading pubkey from bio failed");
+        spice_debug("reading pubkey from bio failed");
         goto finish;
     }
 
+#if OPENSSL_VERSION_NUMBER >= 0x30000000
+    ret = EVP_PKEY_eq(orig_pubkey, cert_pubkey);
+#else
     ret = EVP_PKEY_cmp(orig_pubkey, cert_pubkey);
+#endif
 
-    if (ret == 1)
+    if (ret == 1) {
-        SPICE_DEBUG("public keys match");
+        spice_debug("public keys match");
-    else if (ret == 0)
+    } else if (ret == 0) {
-        SPICE_DEBUG("public keys mismatch");
+        spice_debug("public keys mismatch");
-    else
+    } else {
-        SPICE_DEBUG("public keys types mismatch");
+        spice_debug("public keys types mismatch");
+    }
 
 finish:
     if (bio)
@@ -162,19 +159,14 @@ static int verify_hostname(X509* cert, const char *hostname)
 {
     GENERAL_NAMES* subject_alt_names;
     int found_dns_name = 0;
-    struct in_addr addr;
-    int addr_len = 0;
     int cn_match = 0;
     X509_NAME* subject;
 
-    if (!cert) {
+    spice_return_val_if_fail(hostname != NULL, 0);
-        SPICE_DEBUG("warning: no cert!");
-        return 0;
-    }
 
-    // only IpV4 supported
+    if (!cert) {
-    if (inet_aton(hostname, &addr)) {
+        spice_debug("warning: no cert!");
-        addr_len = sizeof(struct in_addr);
+        return 0;
     }
 
     /* try matching against:
@@ -200,30 +192,56 @@ static int verify_hostname(X509* cert, const char *hostname)
             const GENERAL_NAME* name = sk_GENERAL_NAME_value(subject_alt_names, i);
             if (name->type == GEN_DNS) {
                 found_dns_name = 1;
-                if (_gnutls_hostname_compare((char *)ASN1_STRING_data(name->d.dNSName),
+                if (_gnutls_hostname_compare((const char *)ASN1_STRING_get0_data(name->d.dNSName),
                                              ASN1_STRING_length(name->d.dNSName),
                                              hostname)) {
-                    SPICE_DEBUG("alt name match=%s", ASN1_STRING_data(name->d.dNSName));
+                    spice_debug("alt name match=%s", ASN1_STRING_get0_data(name->d.dNSName));
                     GENERAL_NAMES_free(subject_alt_names);
                     return 1;
                 }
             } else if (name->type == GEN_IPADD) {
-                int alt_ip_len = ASN1_STRING_length(name->d.iPAddress);
+                GInetAddress * ip;
+                const guint8 * ip_binary;
+                int alt_ip_len;
+                int ip_len;
+
                 found_dns_name = 1;
-                if ((addr_len == alt_ip_len)&&
+
-                    !memcmp(ASN1_STRING_data(name->d.iPAddress), &addr, addr_len)) {
+                ip = g_inet_address_new_from_string(hostname);
-                    SPICE_DEBUG("alt name IP match=%s",
+                if (ip == NULL) {
-                                inet_ntoa(*((struct in_addr*)ASN1_STRING_data(name->d.dNSName))));
+                    spice_warning("Could not parse hostname: %s", hostname);
+                    continue;
+                }
+
+                ip_len = g_inet_address_get_native_size(ip);
+                ip_binary = g_inet_address_to_bytes(ip);
+
+                alt_ip_len = ASN1_STRING_length(name->d.iPAddress);
+
+                if ((ip_len == alt_ip_len) &&
+                   (memcmp(ASN1_STRING_get0_data(name->d.iPAddress), ip_binary, ip_len)) == 0) {
+                    GInetAddress * alt_ip = NULL;
+                    gchar * alt_ip_string = NULL;
+
+                    alt_ip = g_inet_address_new_from_bytes(ASN1_STRING_get0_data(name->d.iPAddress),
+                                                           g_inet_address_get_family(ip));
+                    alt_ip_string = g_inet_address_to_string(alt_ip);
+                    spice_debug("alt name IP match=%s", alt_ip_string);
+
+                    g_free(alt_ip_string);
+                    g_object_unref(alt_ip);
+                    g_object_unref(ip);
                     GENERAL_NAMES_free(subject_alt_names);
                     return 1;
                 }
+                g_object_unref(ip);
             }
         }
         GENERAL_NAMES_free(subject_alt_names);
     }
 
     if (found_dns_name) {
-        SPICE_DEBUG("warning: SubjectAltName mismatch");
+        spice_debug("warning: SubjectAltName mismatch");
         return 0;
     }
 
@@ -244,38 +262,41 @@ static int verify_hostname(X509* cert, const char *hostname)
                 continue;
             }
 
-            if (_gnutls_hostname_compare((char*)ASN1_STRING_data(cn_asn1),
+            if (_gnutls_hostname_compare((const char*)ASN1_STRING_get0_data(cn_asn1),
                                          ASN1_STRING_length(cn_asn1),
                                          hostname)) {
-                SPICE_DEBUG("common name match=%s", (char*)ASN1_STRING_data(cn_asn1));
+                spice_debug("common name match=%s", (char*)ASN1_STRING_get0_data(cn_asn1));
                 cn_match = 1;
                 break;
             }
         }
     }
 
-    if (!cn_match)
+    if (!cn_match) {
-        SPICE_DEBUG("warning: common name mismatch");
+        spice_debug("warning: common name mismatch");
+    }
 
     return cn_match;
 }
 
-X509_NAME* subject_to_x509_name(const char *subject, int *nentries)
+static X509_NAME* subject_to_x509_name(const char *subject, int *nentries)
 {
     X509_NAME* in_subject;
     const char *p;
-    char *key, *val, *k, *v = NULL;
+    char *key, *val = NULL, *k, *v = NULL;
     enum {
         KEY,
         VALUE
     } state;
 
-    key = (char*)alloca(strlen(subject));
+    spice_return_val_if_fail(subject != NULL, NULL);
-    val = (char*)alloca(strlen(subject));
+    spice_return_val_if_fail(nentries != NULL, NULL);
+
+    key = (char*)alloca(strlen(subject)+1);
     in_subject = X509_NAME_new();
 
-    if (!in_subject || !key || !val) {
+    if (!in_subject || !key) {
-        SPICE_DEBUG("failed to allocate");
+        spice_debug("failed to allocate");
         return NULL;
     }
 
@@ -288,7 +309,7 @@ X509_NAME* subject_to_x509_name(const char *subject, int *nentries)
         if (*p == '\\') {
             ++p;
             if (*p != '\\' && *p != ',') {
-                SPICE_DEBUG("Invalid character after \\");
+                spice_debug("Invalid character after \\");
                 goto fail;
             }
             escape = 1;
@@ -307,6 +328,7 @@ X509_NAME* subject_to_x509_name(const char *subject, int *nentries)
             } else if (*p == '=' && !escape) {
                 state = VALUE;
                 *k = 0;
+                val = k + 1;
                 v = val;
             } else
                 *k++ = *p;
@@ -322,7 +344,7 @@ X509_NAME* subject_to_x509_name(const char *subject, int *nentries)
                                                 MBSTRING_UTF8,
                                                 (const unsigned char*)val,
                                                 -1, -1, 0)) {
-                    SPICE_DEBUG("warning: failed to add entry %s=%s to X509_NAME",
+                    spice_debug("warning: failed to add entry %s=%s to X509_NAME",
                                 key, val);
                     goto fail;
                 }
@@ -349,89 +371,145 @@ fail:
     return NULL;
 }
 
-int verify_subject(X509* cert, SpiceOpenSSLVerify* verify)
+static int verify_subject(X509* cert, SpiceOpenSSLVerify* verify)
 {
     X509_NAME *cert_subject = NULL;
+    X509_NAME* in_subject;
     int ret;
     int in_entries;
 
     if (!cert) {
-        SPICE_DEBUG("warning: no cert!");
+        spice_debug("warning: no cert!");
         return 0;
     }
 
     cert_subject = X509_get_subject_name(cert);
     if (!cert_subject) {
-        SPICE_DEBUG("warning: reading certificate subject failed");
+        spice_debug("warning: reading certificate subject failed");
         return 0;
     }
 
-    if (!verify->in_subject) {
+    in_subject = subject_to_x509_name(verify->subject, &in_entries);
-        verify->in_subject = subject_to_x509_name(verify->subject, &in_entries);
+    if (!in_subject) {
-        if (!verify->in_subject) {
+        spice_debug("warning: no in_subject!");
-            SPICE_DEBUG("warning: no in_subject!");
         return 0;
     }
-    }
 
     /* Note: this check is redundant with the pre-condition in X509_NAME_cmp */
     if (X509_NAME_entry_count(cert_subject) != in_entries) {
-        SPICE_DEBUG("subject mismatch: #entries cert=%d, input=%d",
+        spice_debug("subject mismatch: #entries cert=%d, input=%d",
             X509_NAME_entry_count(cert_subject), in_entries);
+        X509_NAME_free(in_subject);
         return 0;
     }
 
-    ret = X509_NAME_cmp(cert_subject, verify->in_subject);
+    ret = X509_NAME_cmp(cert_subject, in_subject);
 
-    if (ret == 0)
+    if (ret == 0) {
-        SPICE_DEBUG("subjects match");
+        spice_debug("subjects match");
-    else
+    } else {
-        SPICE_DEBUG("subjects mismatch");
+        char *p;
+        spice_debug("subjects mismatch");
+
+        p = X509_NAME_oneline(cert_subject, NULL, 0);
+        spice_debug("cert_subject: %s", p);
+        free(p);
+
+        p = X509_NAME_oneline(in_subject, NULL, 0);
+        spice_debug("in_subject:   %s", p);
+        free(p);
+    }
+    X509_NAME_free(in_subject);
 
     return !ret;
 }
 
 static int openssl_verify(int preverify_ok, X509_STORE_CTX *ctx)
 {
-    int depth;
+    int depth, err;
     SpiceOpenSSLVerify *v;
     SSL *ssl;
     X509* cert;
+    char buf[256];
+    unsigned int failed_verifications;
 
     ssl = (SSL*)X509_STORE_CTX_get_ex_data(ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
     v = (SpiceOpenSSLVerify*)SSL_get_app_data(ssl);
 
+    cert = X509_STORE_CTX_get_current_cert(ctx);
+    X509_NAME_oneline(X509_get_subject_name(cert), buf, 256);
     depth = X509_STORE_CTX_get_error_depth(ctx);
+    err = X509_STORE_CTX_get_error(ctx);
     if (depth > 0) {
         if (!preverify_ok) {
-            SPICE_DEBUG("openssl verify failed at depth=%d", depth);
+            spice_warning("Error in certificate chain verification: %s (num=%d:depth%d:%s)",
+                          X509_verify_cert_error_string(err), err, depth, buf);
             v->all_preverify_ok = 0;
+
+            /* if certificate verification failed, we can still authorize the server */
+            /* if its public key matches the one we hold in the peer_connect_options. */
+            if (err == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN &&
+                v->verifyop & SPICE_SSL_VERIFY_OP_PUBKEY)
+                return 1;
+
+            if (err == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN)
+                spice_debug("server certificate not being signed by the provided CA");
+
             return 0;
         } else
             return 1;
     }
 
     /* depth == 0 */
-    cert = X509_STORE_CTX_get_current_cert(ctx);
     if (!cert) {
-        SPICE_DEBUG("failed to get server certificate");
+        spice_debug("failed to get server certificate");
         return 0;
     }
 
-    if (v->verifyop & SPICE_SSL_VERIFY_OP_PUBKEY &&
+    failed_verifications = 0;
-        verify_pubkey(cert, v->pubkey, v->pubkey_size))
+    if (v->verifyop & SPICE_SSL_VERIFY_OP_PUBKEY) {
+        if (verify_pubkey(cert, v->pubkey, v->pubkey_size))
             return 1;
+        else
+            failed_verifications |= SPICE_SSL_VERIFY_OP_PUBKEY;
+    }
 
-    if (!v->all_preverify_ok || !preverify_ok)
+    if (!preverify_ok) {
+        err = X509_STORE_CTX_get_error(ctx);
+        depth = X509_STORE_CTX_get_error_depth(ctx);
+        spice_warning("Error in server certificate verification: %s (num=%d:depth%d:%s)",
+                      X509_verify_cert_error_string(err), err, depth, buf);
         return 0;
+    }
+    if (!v->all_preverify_ok) {
+        return 0;
+    }
 
-    if (v->verifyop & SPICE_SSL_VERIFY_OP_HOSTNAME &&
+    if (v->verifyop & SPICE_SSL_VERIFY_OP_SUBJECT) {
-        verify_hostname(cert, v->hostname))
+        if (verify_subject(cert, v))
             return 1;
+        else
+            failed_verifications |= SPICE_SSL_VERIFY_OP_SUBJECT;
+    } else if (v->verifyop & SPICE_SSL_VERIFY_OP_HOSTNAME) {
+       if (verify_hostname(cert, v->hostname))
+           return 1;
+        else
+            failed_verifications |= SPICE_SSL_VERIFY_OP_HOSTNAME;
+    }
 
-    if (v->verifyop & SPICE_SSL_VERIFY_OP_SUBJECT &&
+    /* If we reach this code, this means all the tests failed, thus
-        verify_subject(cert, v))
+     * verification failed
-        return 1;
+     */
+    if (failed_verifications & SPICE_SSL_VERIFY_OP_PUBKEY)
+        spice_warning("ssl: pubkey verification failed");
+
+    if (failed_verifications & SPICE_SSL_VERIFY_OP_HOSTNAME)
+        spice_warning("ssl: hostname '%s' verification failed", v->hostname);
+
+    if (failed_verifications & SPICE_SSL_VERIFY_OP_SUBJECT)
+        spice_warning("ssl: subject '%s' verification failed", v->subject);
+
+    spice_warning("ssl: verification failed");
 
     return 0;
 }
@@ -473,9 +551,6 @@ void spice_openssl_verify_free(SpiceOpenSSLVerify* verify)
     free(verify->subject);
     free(verify->hostname);
 
-    if (verify->in_subject)
-        X509_NAME_free(verify->in_subject);
-
     if (verify->ssl)
         SSL_set_app_data(verify->ssl, NULL);
     free(verify);

common/ssl_verify.h

@@ -16,12 +16,16 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef SSL_VERIFY_H
+#ifndef H_SPICE_COMMON_SSL_VERIFY
-#define SSL_VERIFY_H
+#define H_SPICE_COMMON_SSL_VERIFY
 
-#if defined(WIN32) && !defined(__MINGW32__)
+#if defined(WIN32)
 #include <windows.h>
 #include <wincrypt.h>
+#ifdef X509_NAME
+/* wincrypt.h has already a different define... */
+#undef X509_NAME
+#endif
 #endif
 
 #include <openssl/rsa.h>
@@ -29,12 +33,11 @@
 #include <openssl/x509.h>
 #include <openssl/ssl.h>
 #include <openssl/err.h>
-#undef X509_NAME
 #include <openssl/x509v3.h>
 
-#ifdef __cplusplus
+#include <spice/macros.h>
-extern "C" {
+
-#endif
+SPICE_BEGIN_DECLS
 
 typedef enum {
   SPICE_SSL_VERIFY_OP_NONE     = 0,
@@ -51,7 +54,6 @@ typedef struct {
     char                *pubkey;
     size_t              pubkey_size;
     char                *subject;
-    X509_NAME           *in_subject;
 } SpiceOpenSSLVerify;
 
 SpiceOpenSSLVerify* spice_openssl_verify_new(SSL *ssl, SPICE_SSL_VERIFY_OP verifyop,
@@ -60,7 +62,6 @@ SpiceOpenSSLVerify* spice_openssl_verify_new(SSL *ssl, SPICE_SSL_VERIFY_OP verif
                                              const char *subject);
 void spice_openssl_verify_free(SpiceOpenSSLVerify* verify);
 
-#ifdef __cplusplus
+SPICE_END_DECLS
-}
+
-#endif // __cplusplus
+#endif // H_SPICE_COMMON_SSL_VERIFY
-#endif // SSL_VERIFY_H

common/sw_canvas.c

@@ -15,21 +15,13 @@
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
-#ifdef HAVE_CONFIG_H
 #ifdef __MINGW32__
 #undef HAVE_STDLIB_H
 #endif
 #include <config.h>
-#endif
-
-#ifndef SPICE_CANVAS_INTERNAL
-#error "This file shouldn't be compiled directly"
-#endif
 
 #include <math.h>
 #include "sw_canvas.h"
-#define CANVAS_USE_PIXMAN
-#define CANVAS_SINGLE_INSTANCE
 #include "canvas_base.c"
 #include "rect.h"
 #include "region.h"
@@ -83,15 +75,33 @@ static pixman_image_t *canvas_get_pixman_brush(SwCanvas *canvas,
     case SPICE_BRUSH_TYPE_NONE:
         return NULL;
     default:
-        CANVAS_ERROR("invalid brush type");
+        spice_warn_if_reached();
+        return NULL;
     }
+    return NULL;
 }
 
-static pixman_image_t *get_image(SpiceCanvas *canvas)
+static pixman_image_t *get_image(SpiceCanvas *canvas, int force_opaque)
 {
     SwCanvas *sw_canvas = (SwCanvas *)canvas;
+    pixman_format_code_t format;
 
+    spice_pixman_image_get_format(sw_canvas->image, &format);
+    if (force_opaque && PIXMAN_FORMAT_A (format) != 0) {
+        uint32_t *data;
+        int stride;
+        int width, height;
+
+        /* Remove alpha bits from format */
+        format = (pixman_format_code_t)(((uint32_t)format) & ~(0xf << 12));
+        data = pixman_image_get_data(sw_canvas->image);
+        stride = pixman_image_get_stride(sw_canvas->image);
+        width = pixman_image_get_width(sw_canvas->image);
+        height = pixman_image_get_height(sw_canvas->image);
+        return pixman_image_create_bits(format, width, height, data, stride);
+    } else {
         pixman_image_ref(sw_canvas->image);
+    }
 
     return sw_canvas->image;
 }
@@ -343,7 +353,7 @@ static void clear_dest_alpha(pixman_image_t *dest,
     }
 
     stride = pixman_image_get_stride(dest);
-    data = (uint32_t *) (
+    data = SPICE_ALIGNED_CAST(uint32_t *,
                               (uint8_t *)pixman_image_get_data(dest) + y * stride + 4 * x);
 
     if ((*data & 0xff000000U) == 0xff000000U) {
@@ -477,7 +487,7 @@ static void __scale_image(SpiceCanvas *spice_canvas,
 
     pixman_image_set_transform(src, &transform);
     pixman_image_set_repeat(src, PIXMAN_REPEAT_NONE);
-    ASSERT(scale_mode == SPICE_IMAGE_SCALE_MODE_INTERPOLATE ||
+    spice_return_if_fail(scale_mode == SPICE_IMAGE_SCALE_MODE_INTERPOLATE ||
                          scale_mode == SPICE_IMAGE_SCALE_MODE_NEAREST);
     pixman_image_set_filter(src,
                             (scale_mode == SPICE_IMAGE_SCALE_MODE_NEAREST) ?
@@ -539,11 +549,13 @@ static void __scale_image_rop(SpiceCanvas *spice_canvas,
     pixman_box32_t *rects;
     int n_rects, i;
     pixman_fixed_t fsx, fsy;
+    pixman_format_code_t format;
 
     fsx = ((pixman_fixed_48_16_t) src_width * 65536) / dest_width;
     fsy = ((pixman_fixed_48_16_t) src_height * 65536) / dest_height;
 
-    scaled = pixman_image_create_bits(spice_pixman_image_get_format(src),
+    spice_return_if_fail(spice_pixman_image_get_format(src, &format));
+    scaled = pixman_image_create_bits(format,
                                       dest_width,
                                       dest_height,
                                       NULL, 0);
@@ -558,7 +570,7 @@ static void __scale_image_rop(SpiceCanvas *spice_canvas,
 
     pixman_image_set_transform(src, &transform);
     pixman_image_set_repeat(src, PIXMAN_REPEAT_NONE);
-    ASSERT(scale_mode == SPICE_IMAGE_SCALE_MODE_INTERPOLATE ||
+    spice_return_if_fail(scale_mode == SPICE_IMAGE_SCALE_MODE_INTERPOLATE ||
                          scale_mode == SPICE_IMAGE_SCALE_MODE_NEAREST);
     pixman_image_set_filter(src,
                             (scale_mode == SPICE_IMAGE_SCALE_MODE_NEAREST) ?
@@ -659,7 +671,7 @@ static void __blend_image(SpiceCanvas *spice_canvas,
 
     mask = NULL;
     if (overall_alpha != 0xff) {
-        pixman_color_t color = { 0 };
+        pixman_color_t color = { 0, 0, 0, 0 };
         color.alpha = overall_alpha * 0x101;
         mask = pixman_image_create_solid_fill(&color);
     }
@@ -752,14 +764,14 @@ static void __blend_scale_image(SpiceCanvas *spice_canvas,
 
     mask = NULL;
     if (overall_alpha != 0xff) {
-        pixman_color_t color = { 0 };
+        pixman_color_t color = { 0, 0, 0, 0 };
         color.alpha = overall_alpha * 0x101;
         mask = pixman_image_create_solid_fill(&color);
     }
 
     pixman_image_set_transform(src, &transform);
     pixman_image_set_repeat(src, PIXMAN_REPEAT_NONE);
-    ASSERT(scale_mode == SPICE_IMAGE_SCALE_MODE_INTERPOLATE ||
+    spice_return_if_fail(scale_mode == SPICE_IMAGE_SCALE_MODE_INTERPOLATE ||
                          scale_mode == SPICE_IMAGE_SCALE_MODE_NEAREST);
     pixman_image_set_filter(src,
                             (scale_mode == SPICE_IMAGE_SCALE_MODE_NEAREST) ?
@@ -895,11 +907,13 @@ static void __colorkey_scale_image(SpiceCanvas *spice_canvas,
     pixman_box32_t *rects;
     int n_rects, i;
     pixman_fixed_t fsx, fsy;
+    pixman_format_code_t format;
 
     fsx = ((pixman_fixed_48_16_t) src_width * 65536) / dest_width;
     fsy = ((pixman_fixed_48_16_t) src_height * 65536) / dest_height;
 
-    scaled = pixman_image_create_bits(spice_pixman_image_get_format (src),
+    spice_return_if_fail(spice_pixman_image_get_format(src, &format));
+    scaled = pixman_image_create_bits(format,
                                       dest_width,
                                       dest_height,
                                       NULL, 0);
@@ -977,9 +991,6 @@ static void colorkey_scale_image_from_surface(SpiceCanvas *spice_canvas,
 }
 
 static void canvas_put_image(SpiceCanvas *spice_canvas,
-#ifdef WIN32
-                             HDC dc,
-#endif
                              const SpiceRect *dest, const uint8_t *src_data,
                              uint32_t src_width, uint32_t src_height, int src_stride,
                              const QRegion *clip)
@@ -994,7 +1005,7 @@ static void canvas_put_image(SpiceCanvas *spice_canvas,
     src = pixman_image_create_bits(PIXMAN_x8r8g8b8,
                                    src_width,
                                    src_height,
-                                   (uint32_t*)src_data,
+                                   SPICE_ALIGNED_CAST(uint32_t*,src_data),
                                    src_stride);
 
 
@@ -1042,7 +1053,7 @@ static void canvas_draw_text(SpiceCanvas *spice_canvas, SpiceRect *bbox,
     pixman_region32_t dest_region;
     pixman_image_t *str_mask, *brush;
     SpiceString *str;
-    SpicePoint pos;
+    SpicePoint pos = { 0, 0 };
     int depth;
 
     pixman_region32_init_rect(&dest_region,
@@ -1064,7 +1075,7 @@ static void canvas_draw_text(SpiceCanvas *spice_canvas, SpiceRect *bbox,
 
         /* Nothing else makes sense for text and we should deprecate it
          * and actually it means OVER really */
-        ASSERT(text->fore_mode == SPICE_ROPD_OP_PUT);
+        spice_return_if_fail(text->fore_mode == SPICE_ROPD_OP_PUT);
 
         pixman_region32_init_rect(&back_region,
                                   text->back_area.left,
@@ -1087,10 +1098,10 @@ static void canvas_draw_text(SpiceCanvas *spice_canvas, SpiceRect *bbox,
     } else if (str->flags & SPICE_STRING_FLAGS_RASTER_A4) {
         depth = 4;
     } else if (str->flags & SPICE_STRING_FLAGS_RASTER_A8) {
-        WARN("untested path A8 glyphs");
+        spice_warning("untested path A8 glyphs");
         depth = 8;
     } else {
-        WARN("unsupported path vector glyphs");
+        spice_warning("unsupported path vector glyphs");
         pixman_region32_fini (&dest_region);
         return;
     }
@@ -1133,7 +1144,7 @@ static void canvas_read_bits(SpiceCanvas *spice_canvas, uint8_t *dest,
     uint8_t *dest_end;
     int bpp;
 
-    ASSERT(canvas && area);
+    spice_return_if_fail(canvas && area);
 
     surface = canvas->image;
 
@@ -1170,28 +1181,21 @@ static void canvas_destroy(SpiceCanvas *spice_canvas)
     free(canvas);
 }
 
-static int need_init = 1;
 static SpiceCanvasOps sw_canvas_ops;
 
 static SpiceCanvas *canvas_create_common(pixman_image_t *image,
-                                         uint32_t format
+                                         uint32_t format,
+                                         SpiceImageCache *bits_cache,
 #ifdef SW_CANVAS_CACHE
-                           , SpiceImageCache *bits_cache
+                                         SpicePaletteCache *palette_cache,
-                           , SpicePaletteCache *palette_cache
-#elif defined(SW_CANVAS_IMAGE_CACHE)
-                           , SpiceImageCache *bits_cache
 #endif
-                           , SpiceImageSurfaces *surfaces
+                                         SpiceImageSurfaces *surfaces,
-                           , SpiceGlzDecoder *glz_decoder
+                                         SpiceGlzDecoder *glz_decoder,
-                           , SpiceJpegDecoder *jpeg_decoder
+                                         SpiceJpegDecoder *jpeg_decoder,
-                           , SpiceZlibDecoder *zlib_decoder
+                                         SpiceZlibDecoder *zlib_decoder)
-                           )
 {
     SwCanvas *canvas;
 
-    if (need_init) {
-        return NULL;
-    }
     spice_pixman_image_set_format(image,
                                   spice_surface_format_to_pixman(format));
 
@@ -1199,18 +1203,15 @@ static SpiceCanvas *canvas_create_common(pixman_image_t *image,
     canvas_base_init(&canvas->base, &sw_canvas_ops,
                      pixman_image_get_width(image),
                      pixman_image_get_height(image),
-                               format
+                     format,
+                     bits_cache,
 #ifdef SW_CANVAS_CACHE
-                               , bits_cache
+                     palette_cache,
-                               , palette_cache
-#elif defined(SW_CANVAS_IMAGE_CACHE)
-                               , bits_cache
 #endif
-                               , surfaces
+                     surfaces,
-                               , glz_decoder
+                     glz_decoder,
-                               , jpeg_decoder
+                     jpeg_decoder,
-                               , zlib_decoder
+                     zlib_decoder);
-                               );
     canvas->private_data = NULL;
     canvas->private_data_size = 0;
 
@@ -1219,78 +1220,37 @@ static SpiceCanvas *canvas_create_common(pixman_image_t *image,
     return (SpiceCanvas *)canvas;
 }
 
-SpiceCanvas *canvas_create(int width, int height, uint32_t format
-#ifdef SW_CANVAS_CACHE
-                           , SpiceImageCache *bits_cache
-                           , SpicePaletteCache *palette_cache
-#elif defined(SW_CANVAS_IMAGE_CACHE)
-                           , SpiceImageCache *bits_cache
-#endif
-                           , SpiceImageSurfaces *surfaces
-                           , SpiceGlzDecoder *glz_decoder
-                           , SpiceJpegDecoder *jpeg_decoder
-                           , SpiceZlibDecoder *zlib_decoder
-                           )
-{
-    pixman_image_t *image;
-
-    image = pixman_image_create_bits(spice_surface_format_to_pixman (format),
-                                     width, height, NULL, 0);
-
-    return canvas_create_common(image, format
-#ifdef SW_CANVAS_CACHE
-                                , bits_cache
-                                , palette_cache
-#elif defined(SW_CANVAS_IMAGE_CACHE)
-                                , bits_cache
-#endif
-                                , surfaces
-                                , glz_decoder
-                                , jpeg_decoder
-                                , zlib_decoder
-                                );
-}
-
 SpiceCanvas *canvas_create_for_data(int width, int height, uint32_t format,
-                                    uint8_t *data, int stride
+                                    uint8_t *data, int stride,
+                                    SpiceImageCache *bits_cache,
 #ifdef SW_CANVAS_CACHE
-                           , SpiceImageCache *bits_cache
+                                    SpicePaletteCache *palette_cache,
-                           , SpicePaletteCache *palette_cache
-#elif defined(SW_CANVAS_IMAGE_CACHE)
-                           , SpiceImageCache *bits_cache
 #endif
-                           , SpiceImageSurfaces *surfaces
+                                    SpiceImageSurfaces *surfaces,
-                           , SpiceGlzDecoder *glz_decoder
+                                    SpiceGlzDecoder *glz_decoder,
-                           , SpiceJpegDecoder *jpeg_decoder
+                                    SpiceJpegDecoder *jpeg_decoder,
-                           , SpiceZlibDecoder *zlib_decoder
+                                    SpiceZlibDecoder *zlib_decoder)
-                           )
 {
     pixman_image_t *image;
 
     image = pixman_image_create_bits(spice_surface_format_to_pixman(format),
-                                     width, height, (uint32_t *)data, stride);
+                                     width, height,
+                                     SPICE_ALIGNED_CAST(uint32_t *,data),
+                                     stride);
 
-    return canvas_create_common(image, format
+    return canvas_create_common(image, format,
+                                bits_cache,
 #ifdef SW_CANVAS_CACHE
-                                , bits_cache
+                                palette_cache,
-                                , palette_cache
-#elif defined(SW_CANVAS_IMAGE_CACHE)
-                                , bits_cache
 #endif
-                                , surfaces
+                                surfaces,
-                                , glz_decoder
+                                glz_decoder,
-                                , jpeg_decoder
+                                jpeg_decoder,
-                                , zlib_decoder
+                                zlib_decoder);
-                                );
 }
 
-void sw_canvas_init(void) //unsafe global function
+SPICE_CONSTRUCTOR_FUNC(sw_canvas_global_init) //unsafe global function
 {
-    if (!need_init) {
-        return;
-    }
-    need_init = 0;
-
     canvas_base_init_ops(&sw_canvas_ops);
     sw_canvas_ops.draw_text = canvas_draw_text;
     sw_canvas_ops.put_image = canvas_put_image;
@@ -1323,5 +1283,4 @@ void sw_canvas_init(void) //unsafe global function
     sw_canvas_ops.colorkey_scale_image_from_surface = colorkey_scale_image_from_surface;
     sw_canvas_ops.copy_region = copy_region;
     sw_canvas_ops.get_image = get_image;
-    rop3_init();
 }

common/sw_canvas.h

@@ -16,38 +16,31 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
-#include "glc.h"
+#ifndef H_SPICE_COMMON_SW_CANVAS
+#define H_SPICE_COMMON_SW_CANVAS
+
+#include <stdint.h>
+#include <spice/macros.h>
+
+#include "draw.h"
+#include "pixman_utils.h"
 #include "canvas_base.h"
 #include "region.h"
 
-#ifndef SPICE_CANVAS_INTERNAL
+SPICE_BEGIN_DECLS
-#error "This header shouldn't be included directly"
-#endif
 
-#ifndef _H__GL_CANVAS
+SpiceCanvas *canvas_create_for_data(int width, int height, uint32_t format, uint8_t *data, int stride
-#define _H__GL_CANVAS
+                           , SpiceImageCache *bits_cache
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-SpiceCanvas *gl_canvas_create(int width, int height, uint32_t format
 #ifdef SW_CANVAS_CACHE
-                           , SpiceImageCache *bits_cache
                            , SpicePaletteCache *palette_cache
-#elif defined(SW_CANVAS_IMAGE_CACHE)
-                           , SpiceImageCache *bits_cache
 #endif
                            , SpiceImageSurfaces *surfaces
                            , SpiceGlzDecoder *glz_decoder
                            , SpiceJpegDecoder *jpeg_decoder
                            , SpiceZlibDecoder *zlib_decoder
                            );
-void gl_canvas_set_textures_lost(SpiceCanvas *canvas, int textures_lost);
-void gl_canvas_init(void);
 
-#ifdef __cplusplus
+
-}
+SPICE_END_DECLS
-#endif
 
 #endif

common/udev.c

@@ -0,0 +1,78 @@
+/*
+   Copyright (C) 2023 Intel Corporation.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+#include "udev.h"
+
+#ifdef HAVE_UDEV
+#include <libudev.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+GpuVendor spice_udev_detect_gpu(int gpu_vendor)
+{
+    struct udev *udev;
+    struct udev_device *drm_dev, *pci_dev;
+    struct udev_enumerate *udev_enum;
+    struct udev_list_entry *entry, *devices;
+    const char *path, *vendor_id;
+    GpuVendor vendor = VENDOR_GPU_NOTDETECTED;
+
+    udev = udev_new();
+    if (!udev) {
+        return VENDOR_GPU_UNKNOWN;
+    }
+
+    udev_enum = udev_enumerate_new(udev);
+    if (udev_enum) {
+        udev_enumerate_add_match_subsystem(udev_enum, "drm");
+        udev_enumerate_add_match_sysname(udev_enum, "card[0-9]");
+        udev_enumerate_scan_devices(udev_enum);
+        devices = udev_enumerate_get_list_entry(udev_enum);
+
+        udev_list_entry_foreach(entry, devices) {
+            path = udev_list_entry_get_name(entry);
+            drm_dev = udev_device_new_from_syspath(udev, path);
+            if (!drm_dev) {
+                continue;
+            }
+
+            pci_dev = udev_device_get_parent_with_subsystem_devtype(drm_dev,
+                                                                    "pci", NULL);
+            if (pci_dev) {
+                vendor_id = udev_device_get_sysattr_value(pci_dev, "vendor");
+                if (vendor_id && strtol(vendor_id, NULL, 16) == gpu_vendor) {
+                    vendor = VENDOR_GPU_DETECTED;
+                    udev_device_unref(drm_dev);
+                    break;
+                }
+            }
+            udev_device_unref(drm_dev);
+        }
+        udev_enumerate_unref(udev_enum);
+    }
+    udev_unref(udev);
+
+    return vendor;
+}
+#else
+GpuVendor spice_udev_detect_gpu(int gpu_vendor)
+{
+    return VENDOR_GPU_UNKNOWN;
+}
+#endif
+

common/udev.h

@@ -0,0 +1,33 @@
+/*
+   Copyright (C) 2023 Intel Corporation.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+#include <spice/macros.h>
+
+#define INTEL_VENDOR_ID 0x8086
+
+typedef enum {
+    VENDOR_GPU_UNKNOWN,
+    VENDOR_GPU_DETECTED,
+    VENDOR_GPU_NOTDETECTED,
+} GpuVendor;
+
+SPICE_BEGIN_DECLS
+
+GpuVendor spice_udev_detect_gpu(int gpu_vendor);
+
+SPICE_END_DECLS

common/utils.c

@@ -0,0 +1,66 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2010, 2011, 2018 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include "utils.h"
+
+/* These 2 functions come from
+ * libvirt-glib/libvirt-gconfig/libvirt-gconfig-helpers.c
+ * Copyright (C) 2010, 2011 Red Hat, Inc.
+ * LGPLv2.1+ licensed */
+
+const char *
+spice_genum_get_nick(GType enum_type, gint value)
+{
+    GEnumClass *enum_class;
+    GEnumValue *enum_value;
+
+    g_return_val_if_fail(G_TYPE_IS_ENUM(enum_type), NULL);
+
+    enum_class = g_type_class_ref(enum_type);
+    enum_value = g_enum_get_value(enum_class, value);
+    g_type_class_unref(enum_class);
+
+    if (enum_value != NULL) {
+        return enum_value->value_nick;
+    }
+
+    g_return_val_if_reached(NULL);
+}
+
+int
+spice_genum_get_value(GType enum_type, const char *nick,
+                      gint default_value)
+{
+    GEnumClass *enum_class;
+    GEnumValue *enum_value;
+
+    g_return_val_if_fail(G_TYPE_IS_ENUM(enum_type), default_value);
+    g_return_val_if_fail(nick != NULL, default_value);
+
+    enum_class = g_type_class_ref(enum_type);
+    enum_value = g_enum_get_value_by_nick(enum_class, nick);
+    g_type_class_unref(enum_class);
+
+    if (enum_value != NULL) {
+        return enum_value->value;
+    }
+
+    g_return_val_if_reached(default_value);
+}

common/utils.h

@@ -0,0 +1,57 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   Copyright (C) 2010, 2011, 2018 Red Hat, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef H_SPICE_COMMON_UTILS
+#define H_SPICE_COMMON_UTILS
+
+#include <glib.h>
+#include <glib-object.h>
+#include <stdint.h>
+
+G_BEGIN_DECLS
+
+const char *spice_genum_get_nick(GType enum_type, gint value);
+int spice_genum_get_value(GType enum_type, const char *nick,
+                          gint default_value);
+
+#define BIT_BYTE(nr)            ((nr) / 8)
+#define BIT_MASK(nr)            (1 << ((nr) % 8))
+
+/**
+ * set_bitmap - Set a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ */
+static inline void set_bitmap(uint32_t nr, uint8_t *addr)
+{
+    addr[BIT_BYTE(nr)] |= BIT_MASK(nr);
+}
+
+/**
+ * test_bitmap - Determine whether a bit is set
+ * @nr: bit number to test
+ * @addr: Address to start counting from
+ */
+static inline int test_bitmap(uint32_t nr, const uint8_t *addr)
+{
+    return 1 & (addr[BIT_BYTE(nr)] >> (nr % 8));
+}
+
+G_END_DECLS
+
+#endif //H_SPICE_COMMON_UTILS

common/verify.h

@@ -0,0 +1,283 @@
+/* Compile-time assert-like macros.
+
+   Copyright (C) 2005-2006, 2009-2019 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as published by
+   the Free Software Foundation; either version 2.1 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paul Eggert, Bruno Haible, and Jim Meyering.  */
+
+#ifndef _GL_VERIFY_H
+#define _GL_VERIFY_H
+
+
+/* Define _GL_HAVE__STATIC_ASSERT to 1 if _Static_assert works as per C11.
+   This is supported by GCC 4.6.0 and later, in C mode, and its use
+   here generates easier-to-read diagnostics when verify (R) fails.
+
+   Define _GL_HAVE_STATIC_ASSERT to 1 if static_assert works as per C++11.
+   This is supported by GCC 6.1.0 and later, in C++ mode.
+
+   Use this only with GCC.  If we were willing to slow 'configure'
+   down we could also use it with other compilers, but since this
+   affects only the quality of diagnostics, why bother?  */
+#if (4 < __GNUC__ + (6 <= __GNUC_MINOR__) \
+     && (201112L <= __STDC_VERSION__  || !defined __STRICT_ANSI__) \
+     && !defined __cplusplus)
+# define _GL_HAVE__STATIC_ASSERT 1
+#endif
+#if (6 <= __GNUC__) && defined __cplusplus
+# define _GL_HAVE_STATIC_ASSERT 1
+#endif
+
+/* FreeBSD 9.1 <sys/cdefs.h>, included by <stddef.h> and lots of other
+   system headers, defines a conflicting _Static_assert that is no
+   better than ours; override it.  */
+#ifndef _GL_HAVE_STATIC_ASSERT
+# include <stddef.h>
+# undef _Static_assert
+#endif
+
+/* Each of these macros verifies that its argument R is nonzero.  To
+   be portable, R should be an integer constant expression.  Unlike
+   assert (R), there is no run-time overhead.
+
+   If _Static_assert works, verify (R) uses it directly.  Similarly,
+   _GL_VERIFY_TRUE works by packaging a _Static_assert inside a struct
+   that is an operand of sizeof.
+
+   The code below uses several ideas for C++ compilers, and for C
+   compilers that do not support _Static_assert:
+
+   * The first step is ((R) ? 1 : -1).  Given an expression R, of
+     integral or boolean or floating-point type, this yields an
+     expression of integral type, whose value is later verified to be
+     constant and nonnegative.
+
+   * Next this expression W is wrapped in a type
+     struct _gl_verify_type {
+       unsigned int _gl_verify_error_if_negative: W;
+     }.
+     If W is negative, this yields a compile-time error.  No compiler can
+     deal with a bit-field of negative size.
+
+     One might think that an array size check would have the same
+     effect, that is, that the type struct { unsigned int dummy[W]; }
+     would work as well.  However, inside a function, some compilers
+     (such as C++ compilers and GNU C) allow local parameters and
+     variables inside array size expressions.  With these compilers,
+     an array size check would not properly diagnose this misuse of
+     the verify macro:
+
+       void function (int n) { verify (n < 0); }
+
+   * For the verify macro, the struct _gl_verify_type will need to
+     somehow be embedded into a declaration.  To be portable, this
+     declaration must declare an object, a constant, a function, or a
+     typedef name.  If the declared entity uses the type directly,
+     such as in
+
+       struct dummy {...};
+       typedef struct {...} dummy;
+       extern struct {...} *dummy;
+       extern void dummy (struct {...} *);
+       extern struct {...} *dummy (void);
+
+     two uses of the verify macro would yield colliding declarations
+     if the entity names are not disambiguated.  A workaround is to
+     attach the current line number to the entity name:
+
+       #define _GL_CONCAT0(x, y) x##y
+       #define _GL_CONCAT(x, y) _GL_CONCAT0 (x, y)
+       extern struct {...} * _GL_CONCAT (dummy, __LINE__);
+
+     But this has the problem that two invocations of verify from
+     within the same macro would collide, since the __LINE__ value
+     would be the same for both invocations.  (The GCC __COUNTER__
+     macro solves this problem, but is not portable.)
+
+     A solution is to use the sizeof operator.  It yields a number,
+     getting rid of the identity of the type.  Declarations like
+
+       extern int dummy [sizeof (struct {...})];
+       extern void dummy (int [sizeof (struct {...})]);
+       extern int (*dummy (void)) [sizeof (struct {...})];
+
+     can be repeated.
+
+   * Should the implementation use a named struct or an unnamed struct?
+     Which of the following alternatives can be used?
+
+       extern int dummy [sizeof (struct {...})];
+       extern int dummy [sizeof (struct _gl_verify_type {...})];
+       extern void dummy (int [sizeof (struct {...})]);
+       extern void dummy (int [sizeof (struct _gl_verify_type {...})]);
+       extern int (*dummy (void)) [sizeof (struct {...})];
+       extern int (*dummy (void)) [sizeof (struct _gl_verify_type {...})];
+
+     In the second and sixth case, the struct type is exported to the
+     outer scope; two such declarations therefore collide.  GCC warns
+     about the first, third, and fourth cases.  So the only remaining
+     possibility is the fifth case:
+
+       extern int (*dummy (void)) [sizeof (struct {...})];
+
+   * GCC warns about duplicate declarations of the dummy function if
+     -Wredundant-decls is used.  GCC 4.3 and later have a builtin
+     __COUNTER__ macro that can let us generate unique identifiers for
+     each dummy function, to suppress this warning.
+
+   * This implementation exploits the fact that older versions of GCC,
+     which do not support _Static_assert, also do not warn about the
+     last declaration mentioned above.
+
+   * GCC warns if -Wnested-externs is enabled and verify() is used
+     within a function body; but inside a function, you can always
+     arrange to use verify_expr() instead.
+
+   * In C++, any struct definition inside sizeof is invalid.
+     Use a template type to work around the problem.  */
+
+/* Concatenate two preprocessor tokens.  */
+#define _GL_CONCAT(x, y) _GL_CONCAT0 (x, y)
+#define _GL_CONCAT0(x, y) x##y
+
+/* _GL_COUNTER is an integer, preferably one that changes each time we
+   use it.  Use __COUNTER__ if it works, falling back on __LINE__
+   otherwise.  __LINE__ isn't perfect, but it's better than a
+   constant.  */
+#if defined __COUNTER__ && __COUNTER__ != __COUNTER__
+# define _GL_COUNTER __COUNTER__
+#else
+# define _GL_COUNTER __LINE__
+#endif
+
+/* Generate a symbol with the given prefix, making it unique if
+   possible.  */
+#define _GL_GENSYM(prefix) _GL_CONCAT (prefix, _GL_COUNTER)
+
+/* Verify requirement R at compile-time, as an integer constant expression
+   that returns 1.  If R is false, fail at compile-time, preferably
+   with a diagnostic that includes the string-literal DIAGNOSTIC.  */
+
+#define _GL_VERIFY_TRUE(R, DIAGNOSTIC) \
+   (!!sizeof (_GL_VERIFY_TYPE (R, DIAGNOSTIC)))
+
+#ifdef __cplusplus
+# if !GNULIB_defined_struct__gl_verify_type
+template <int w>
+  struct _gl_verify_type {
+    unsigned int _gl_verify_error_if_negative: w;
+  };
+#  define GNULIB_defined_struct__gl_verify_type 1
+# endif
+# define _GL_VERIFY_TYPE(R, DIAGNOSTIC) \
+    _gl_verify_type<(R) ? 1 : -1>
+#elif defined _GL_HAVE__STATIC_ASSERT
+# define _GL_VERIFY_TYPE(R, DIAGNOSTIC) \
+    struct {                                   \
+      _Static_assert (R, DIAGNOSTIC);          \
+      int _gl_dummy;                          \
+    }
+#else
+# define _GL_VERIFY_TYPE(R, DIAGNOSTIC) \
+    struct { unsigned int _gl_verify_error_if_negative: (R) ? 1 : -1; }
+#endif
+
+/* Verify requirement R at compile-time, as a declaration without a
+   trailing ';'.  If R is false, fail at compile-time, preferably
+   with a diagnostic that includes the string-literal DIAGNOSTIC.
+
+   Unfortunately, unlike C11, this implementation must appear as an
+   ordinary declaration, and cannot appear inside struct { ... }.  */
+
+#ifdef _GL_HAVE__STATIC_ASSERT
+# define _GL_VERIFY _Static_assert
+#else
+# define _GL_VERIFY(R, DIAGNOSTIC)				       \
+    extern int (*_GL_GENSYM (_gl_verify_function) (void))	       \
+      [_GL_VERIFY_TRUE (R, DIAGNOSTIC)]
+#endif
+
+/* _GL_STATIC_ASSERT_H is defined if this code is copied into assert.h.  */
+#ifdef _GL_STATIC_ASSERT_H
+# if !defined _GL_HAVE__STATIC_ASSERT && !defined _Static_assert
+#  define _Static_assert(R, DIAGNOSTIC) _GL_VERIFY (R, DIAGNOSTIC)
+# endif
+# if !defined _GL_HAVE_STATIC_ASSERT && !defined static_assert
+#  define static_assert _Static_assert /* C11 requires this #define.  */
+# endif
+#endif
+
+/* @assert.h omit start@  */
+
+/* Each of these macros verifies that its argument R is nonzero.  To
+   be portable, R should be an integer constant expression.  Unlike
+   assert (R), there is no run-time overhead.
+
+   There are two macros, since no single macro can be used in all
+   contexts in C.  verify_true (R) is for scalar contexts, including
+   integer constant expression contexts.  verify (R) is for declaration
+   contexts, e.g., the top level.  */
+
+/* Verify requirement R at compile-time, as an integer constant expression.
+   Return 1.  This is equivalent to verify_expr (R, 1).
+
+   verify_true is obsolescent; please use verify_expr instead.  */
+
+#define verify_true(R) _GL_VERIFY_TRUE (R, "verify_true (" #R ")")
+
+/* Verify requirement R at compile-time.  Return the value of the
+   expression E.  */
+
+#define verify_expr(R, E) \
+   (_GL_VERIFY_TRUE (R, "verify_expr (" #R ", " #E ")") ? (E) : (E))
+
+/* Verify requirement R at compile-time, as a declaration without a
+   trailing ';'.  */
+
+#ifdef __GNUC__
+# define verify(R) _GL_VERIFY (R, "verify (" #R ")")
+#else
+/* PGI barfs if R is long.  Play it safe.  */
+# define verify(R) _GL_VERIFY (R, "verify (...)")
+#endif
+
+#ifndef __has_builtin
+# define __has_builtin(x) 0
+#endif
+
+/* Assume that R always holds.  This lets the compiler optimize
+   accordingly.  R should not have side-effects; it may or may not be
+   evaluated.  Behavior is undefined if R is false.  */
+
+#if (__has_builtin (__builtin_unreachable) \
+     || 4 < __GNUC__ + (5 <= __GNUC_MINOR__))
+# define assume(R) ((R) ? (void) 0 : __builtin_unreachable ())
+#elif 1200 <= _MSC_VER
+# define assume(R) __assume (R)
+#elif ((defined GCC_LINT || defined lint) \
+       && (__has_builtin (__builtin_trap) \
+           || 3 < __GNUC__ + (3 < __GNUC_MINOR__ + (4 <= __GNUC_PATCHLEVEL__))))
+  /* Doing it this way helps various packages when configured with
+     --enable-gcc-warnings, which compiles with -Dlint.  It's nicer
+     when 'assume' silences warnings even with older GCCs.  */
+# define assume(R) ((R) ? (void) 0 : __builtin_trap ())
+#else
+  /* Some tools grok NOTREACHED, e.g., Oracle Studio 12.6.  */
+# define assume(R) ((R) ? (void) 0 : /*NOTREACHED*/ (void) 0)
+#endif
+
+/* @assert.h omit end@  */
+
+#endif

configure.ac

@@ -0,0 +1,81 @@
+AC_PREREQ([2.63])
+
+AC_INIT([spice-common],
+        [noversion],
+        [spice-devel@lists.freedesktop.org])
+
+AC_CONFIG_SRCDIR([common/log.h])
+AC_CONFIG_MACRO_DIR([m4])
+AM_CONFIG_HEADER([config.h])
+AC_CONFIG_AUX_DIR([build-aux])
+
+# For automake >= 1.12
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+
+# Checks for programs
+AM_INIT_AUTOMAKE([1.11 dist-xz no-dist-gzip tar-ustar foreign subdir-objects -Wall -Werror])
+AM_MAINTAINER_MODE
+AM_SILENT_RULES([yes])
+LT_INIT
+SPICE_MANUAL
+
+AC_PROG_CC
+AC_PROG_CC_C99
+if test "x$ac_cv_prog_cc_c99" = xno; then
+    AC_MSG_ERROR([C99 compiler is required.])
+fi
+AM_PROG_CC_C_O
+
+AC_CHECK_HEADERS([sys/mman.h regex.h])
+AC_CHECK_FUNCS([sigaction drand48 setlinebuf])
+AC_SEARCH_LIBS(regcomp, [regex rx])
+
+SPICE_CHECK_SYSDEPS
+SPICE_EXTRA_CHECKS
+
+AC_ARG_ENABLE([tests],
+  AS_HELP_STRING([--enable-tests],
+                 [Enable tests @<:@default=yes@:>@]),
+  [],
+  enable_tests="yes")
+AM_CONDITIONAL(ENABLE_TESTS, test "x$enable_tests" = "xyes")
+
+AC_ARG_ENABLE([alignment-checks],
+  AS_HELP_STRING([--enable-alignment-checks],
+                 [Enable runtime checks for cast alignment @<:@default=no@:>@]),
+  [],
+  enable_alignment_checks="no")
+AS_IF([test "x$enable_alignment_checks" = "xyes"],
+      [AC_DEFINE([SPICE_DEBUG_ALIGNMENT], 1, [Enable runtime checks for cast alignment])])
+
+SPICE_CHECK_INSTRUMENTATION
+
+# Checks for libraries
+PKG_CHECK_MODULES([PROTOCOL], [spice-protocol >= 0.14.2])
+
+SPICE_CHECK_PYTHON_MODULES()
+
+SPICE_CHECK_PIXMAN
+SPICE_CHECK_SMARTCARD
+SPICE_CHECK_GLIB2
+SPICE_CHECK_OPUS
+SPICE_CHECK_OPENSSL
+SPICE_CHECK_GDK_PIXBUF
+SPICE_CHECK_UDEV
+
+SPICE_COMMON_CFLAGS='$(PIXMAN_CFLAGS) $(SMARTCARD_CFLAGS) $(GLIB2_CFLAGS) $(OPUS_CFLAGS) $(OPENSSL_CFLAGS)'
+SPICE_COMMON_CFLAGS="$SPICE_COMMON_CFLAGS -DG_LOG_DOMAIN=\\\"Spice\\\""
+SPICE_COMMON_LIBS='$(PIXMAN_LIBS) $(GLIB2_LIBS) $(OPUS_LIBS) $(OPENSSL_LIBS)'
+AC_SUBST(SPICE_COMMON_CFLAGS)
+AC_SUBST(SPICE_COMMON_LIBS)
+
+# The End!
+AC_CONFIG_FILES([
+  Makefile
+  common/Makefile
+  python_modules/Makefile
+  tests/Makefile
+  docs/Makefile
+])
+
+AC_OUTPUT

docs/Makefile.am

@@ -0,0 +1,27 @@
+NULL =
+CLEANFILES =
+
+ASCIIDOC_FILES =				\
+	spice_protocol.txt			\
+	spice_uri_scheme.txt			\
+	$(NULL)
+
+ASCIIDOC_FLAGS = -n -a icons -a toc
+
+EXTRA_DIST =					\
+	$(ASCIIDOC_FILES)			\
+	meson.build				\
+	$(NULL)
+
+if BUILD_HTML_MANUAL
+ASCIIDOC_HTML = $(ASCIIDOC_FILES:.txt=.html)
+
+CLEANFILES += $(ASCIIDOC_HTML)
+
+all-local: $(ASCIIDOC_HTML)
+
+.txt.html:
+	$(AM_V_GEN)$(ASCIIDOC) $(ASCIIDOC_FLAGS) -o $@ $<
+endif
+
+-include $(top_srcdir)/git.mk

docs/meson.build

@@ -0,0 +1,12 @@
+if get_option('manual')
+  asciidoc = find_program('asciidoc', required : false)
+  if asciidoc.found()
+    foreach f: ['spice_protocol.txt', 'spice_uri_scheme.txt']
+      custom_target('HTML for @0@'.format(f),
+                    input : f,
+                    output : '@BASENAME@.html',
+                    build_by_default : true,
+                    command : [asciidoc, '-n', '-a', 'icons', '-a', 'toc', '-o', '@OUTPUT@', '@INPUT@'])
+    endforeach
+  endif
+endif

docs/spice_protocol.txt

@@ -0,0 +1,477 @@
+Spice protocol format file
+==========================
+
+Copyright (C) 2016 Red Hat, Inc.
+Licensed under a Creative Commons Attribution-Share Alike 3.0
+United States License (see http://creativecommons.org/licenses/by-sa/3.0/us/legalcode).
+
+Basic
+-----
+The spice protocol format file defines the network protocol used by spice.
+It resemble the C format.
+
+    file ::= <definitions> <protocol> ;
+    definitions ::= <definition>|<definitions><definition> ;
+    definition ::= <typedef>|<structure>|<enum>|<flag>|<message>|<channel> ;
+    protocol ::= "protocol" <identifier> "{" <protocol_channels> "}" ";" ;
+    protocol_channels ::= <protocol_channel>|<protocol_channels><protocol_channel> ;
+    protocol_channel ::= <identifier> <identifier> [ "=" <integer> ] ";" ;
+    integer ::= <hex>|<dec> ;
+    dec ::= [+-][0-9]+ ;
+    hex ::= "0x" [0-9a-f]+ ;
+    identifier ::= [a-z][a-z0-9_]* ;
+
+(here BNF with some regular expression is used).
+
+It's used to generate automatically code to marshal/demarshal the network data.
+
+Example:
+
+    channel ExampleChannel {
+       message {
+          uint32 dummy;
+       } Dummy;
+    };
+
+    protocol Example {
+        ExampleChannel first = 1001;
+    };
+
+As you can see brackets like C are used and structures looks like C but you
+can also see that keywords like `channel`, `protocol`, `message` or some
+predefined types like `uint32` are proper of the protocol.
+
+Comments
+--------
+Both C and C++ style comments are supported
+
+    // this is a comment
+    /* this is a comment too
+       but can be split in multiple lines */
+
+Base types
+----------
+
+All int from 8 to 64 bit (8, 16, 32 and 64) are supported either signed or unsigned.
+Also you can pass one unix descriptor.
+
+    base_type ::= "int8"|"uint8"|"int16"|"uint16"|"int32"|"uint32"|"int64"|"uint64"|"unix_fd" ;
+
+Example:
+
+    int16 x;
+
+Enumerations and flags
+----------------------
+
+It's possible to specify enumerations and flags. The difference is that flags are defined as 2 power
+values and can be combined. Enumerations and flags must have a size (`8`, `16` or `32`) specified.
+
+    enum ::= <enum_type> "{" [ <enumflag_items> ] "}" <attributes> ";" ;
+    flag ::= <flag_type> "{" [ <enumflag_items> ] "}" <attributes> ";" ;
+    enum_type ::= "enum8"|"enum16"|"enum32" ;
+    flag_type ::= "flag8"|"flag16"|"flag32" ;
+    enumflag_items ::= <enumflag_item>|<enumflag_items><enumflag_item>
+    enumflag_item ::= <enum_name> [ "=" <integer> ] [ "," ] ;
+    enum_name ::= [a-z0-9_]* ;
+
+Example:
+
+    enum16 Level {
+        LOW = 0x100,
+        MEDIUM,
+        HIGH = 0x1000
+    };
+
+Variables
+---------
+
+As you should already have noted variables are similar to C syntax but there are
+some differences.
+
+    variable ::= <type> [ "*" ] <identifier> [ "[" <array_size> "]" ] <attributes>;
+
+The `*` specify a pointer. This is quite different from C. For the protocol it
+specifies that in the protocol stream a relative offset is put that points to that
+variable usually after all defined fields. This happens even on arrays, so for instance
+
+    int32 *n;
+
+containing a 0x12345678 `n` value could ended up coded as
+
+    04 00 00 00 // 4 as offset
+    78 56 34 12 // `n`
+
+(little endian). While an array of 2 items defined as
+
+    int32 *n[2];
+
+and containing 0x12345678 and 0x9abcdef could end up with
+
+    04 00 00 00 // 4 as offset
+    78 56 34 12 // `n`[0]
+    ef cd ab 09 // `n`[1]
+
+note that `int32 *n[2]` defined a pointer to an array of 2 items and not
+an array of pointers as C.
+
+*WARNING*: You should avoid using pointers on protocol if not necessary as they are complicated
+to handle not using autogenerated code and also use more space on the network.
+
+Arrays
+------
+
+As seen above the easiest way to define an array size is specifying a constant value.
+However there are multiple way to specify the size
+
+    array_size ::= <integer>|<identifier>|""|<array_size_image>|<array_size_cstring> ;
+    array_size_image ::= "image_size" "(" <integer> "," <identifier> ")" ;
+    array_size_cstring ::= "cstring()" ;
+
+We already seen integer.
+Specifying an identifier name instead (should be variable) indicate that the length is specified
+in another field, for instance
+
+    uint8 name_len;
+    int8 name[name_len];
+
+allows to put a name of `name_len` len.
+The empty value tells that the array will end when the containing message end so if we have
+
+    int8 name[];
+
+and the message is
+
+    66 6f 6f
+
+possibly the name we want is `foo` (66 6f 6f is the ASCII encoding for `foo`).
+
+TODO: what happen with two [] in the structure ??
+TODO: can a [] array not be the last and what happens ??
+
+`image_size` allow to specify an array holding an image, for instance
+
+    uint16 width;
+    uint16 height;
+    uint8 raw_image[image_size(8, width, height)];
+
+could contain row data in raw_image. The constant `8` is the bit size of the image.
+
+`cstring` allows to specify NUL-terminated sequence so having
+
+    int8 name[cstring()];
+
+and the message as
+
+    66 6f 6f 00
+
+we'll have the `foo` name. Note that the field does not need to end the message as in `int8 name[]` example.
+
+Structures
+----------
+
+The simplest compound type is the structure. As in C is defined as a list of fields (any variable or switch).
+But as a protocol definition there are no alignment or padding and every field (beside pointer values) follow each other.
+
+    struct ::= "struct" <identifier> "{" [ <fields> ] "}" <attributes> ";" ;
+    fields ::= <field>|<fields><field> ;
+    field ::= <variable>|<switch>
+
+Example:
+
+    struct Point {
+        int32 x;
+        int32 y;
+    };
+
+Messages
+--------
+
+Messages have the same syntax of structure (beside `message`) with the difference that they can
+be used directly inside channels.
+
+    message ::= "message" <identifier> "{" [ <fields> ] "}" <attributes> ";" ;
+
+Switches
+--------
+
+TODO
+
+Type definitions
+----------------
+
+Like C type definition allow to short types defining new ones.
+
+    typedef ::= "typedef" <identifier> <type> <attributes> ;
+
+note that unlike C name came before the type.
+
+Example:
+
+    typedef XCoord int32;
+
+Channels
+--------
+
+    channel ::= "channel" <identifier> [ ":" <identifier> ] "{" <channel_messages> "}" <attributes> ";" ;
+    channel_messages ::= <channel_message>|<channel_messages><channel_message> ;
+    channel_message ::= "server:" | "client:" | "message" <identifier> [ "=" <integer> ] ;
+
+Example:
+
+    channel ExampleChannel {
+    server:
+       message {
+          uint32 dummy;
+       } Dummy;
+    };
+
+Note that every message is associated with a number which is used in the protocol.
+The assignment work in a similar way to enumeration in C beside first message is
+assigned 1 value and not 0. So first message (if no integer is specified) is assigned
+1, second 2 and so on.
+
+`server:` or `client:` specify the direction of messages following, `server` specify
+messages from server while `client` from client. If not specified is assumed from
+server.
+
+For each channel you can specify a parent channel. Derived channel inherits all
+messages specified in the parent.
+Note that messages from parent can be overridden by derived channels.
+
+Protocol
+--------
+
+    protocol ::= "protocol" <identifier> "{" <protocol_channels> "}" ";" ;
+    protocol_channels ::= <protocol_channel>|<protocol_channels><protocol_channel> ;
+    protocol_channel ::= <identifier> <identifier> [ "=" <integer> ] ";" ;
+
+Example:
+
+    protocol Example {
+        ExampleChannel first = 1001;
+    };
+
+Protocol specify the list of channel supported. Channel have an associated number
+assigned in a similar way of channels (incremented from one to the next with
+first starting from 0 if not specified).
+
+*NOTE*: Due to the way currently code is generate you should use
+small numbers.
+
+Attributes
+----------
+
+As you probably noted attributed can be specified for lot of definitions.
+They allow to change code generated or specific constraints of the protocol.
+
+    attributes ::= ""|<attributes><attribute>|<attribute> ;
+    attribute ::= <attribute_name> [ "(" <attribute_values> ")" ] ;
+    attribute_values ::= <attribute_values> "," <attribute_value> | <attribute_value>
+    attribute_value ::= <integer> | <identifier>
+    attribute_name ::= @[a-z][a-z0-9_]* ;
+
+Mostly of the attributes have no arguments, other currently have only one
+argument.
+
+*NOTE*: Some comments are also written in `spice-common` `python_modules/ptypes.py`
+source file.
+
+ctype
+~~~~~
+
+Specify the structure type name that the generated marshaller/demarshaller code
+will use. By default the name will be converted to CamelCase and prefixed by
+`Spice` so for example a structure like
+
+    struct Point {
+        int32 x;
+        int32 y;
+    } @ctype(MyPoint);
+
+will be marshalled into a C structure like
+
+    struct MyPoint {
+        int32_t x;
+        int32_t y;
+    };
+
+prefix
+~~~~~~
+
+This attribute allows to specify the prefix used for generated enumerations (both
+protocol enumerations and flags generate C enumerations). By default the enumeration
+will use upper case of the enum/flag name prefixed with `SPICE_` and followed by item so
+
+    enum32 level {
+        LOW,
+        HIGH,
+    };
+
+will generate
+
+    typedef enum SpiceLevel {
+        SPICE_LEVEL_LOW,
+        SPICE_LEVEL_HIGH,
+        SPICE_LEVEL_ENUM_END
+    } SpiceLevel;
+
+while
+
+    enum32 level {
+        LOW,
+        HIGH,
+    } @prefix(LVL_);
+
+will generate
+
+    typedef enum SpiceLevel {
+        LVL_LOW,
+        LVL_HIGH,
+        SPICE_LEVEL_ENUM_END
+    } SpiceLevel;
+
+(note that an automatic `END` enumeration is generated and name is not affected).
+
+end
+~~~
+
+This attribute specifies that the data will be appended/embedded in the final C structure.
+
+Example:
+
+    struct test {
+        uint16 len;
+        uint16 array[len] @end;
+    };
+
+Output C structure:
+
+    struct test {
+        uint16_t len;
+        uint16_t array[0];
+    };
+
+The generated code will allocate the C structure to allow space for extracted array.
+
+*WARNING*: This option is usually confused with with empty size protocol. The
+empty protocol array size specify array that extend on the network data while
+the `@end` attribute specify to extend the C structure (for instance in the example
+the attribute was attached to a `len`-sized array).
+
+to_ptr
+~~~~~~
+
+This specifies that the corresponding C structure field contains a pointer to
+the data. On marshalling the pointer is used, on demarshalling the data is
+allocated in the memory block that holds the returned structure.
+The type of this field must be a structure.
+
+Example:
+
+    struct test {
+        uint16 num;
+    };
+
+    struct msg {
+        test ptr @to_ptr;
+    };
+
+Output C structure:
+
+    struct test {
+        uint16_t num;
+    };
+
+    struct msg {
+        struct test *ptr;
+    };
+
+nocopy
+~~~~~~
+
+TODO
+
+as_ptr
+~~~~~~
+
+TODO
+
+nomarshal
+~~~~~~~~~
+
+Do not generate code for marshalling this variable.
+Usually used on last array element to make possible to manually feed data.
+
+Example:
+    struct Data {
+        uint32 data_size;
+        uint8 data[data_size] @nomarshal;
+    };
+
+zero_terminated
+~~~~~~~~~~~~~~~
+
+The field should terminated by zero.
+Actually it's not used by python code so it's not enforced and no
+code is generated.
+
+marshall
+~~~~~~~~
+
+TODO
+
+nonnull
+~~~~~~~
+
+This pointer field cannot be NULL. This means that marshaller assume C structure
+contain not NULL pointer and demarshaller will fail to demarshall message if offset
+is 0.
+
+unique_flag
+~~~~~~~~~~~
+
+This flag field should contain just a single flag.
+Actually it's not used by python code so it's not enforced and no
+code is generated.
+
+deprecated
+~~~~~~~~~~
+
+This flag currently apply only to enumerations and flags types and will set
+generated C enumeration constant to deprecated
+
+ptr_array
+~~~~~~~~~
+
+TODO
+
+outvar
+~~~~~~
+
+TODO
+
+anon
+~~~~
+
+TODO
+
+chunk
+~~~~~
+
+TODO
+
+ifdef
+~~~~~
+
+TODO
+
+zero
+~~~~
+
+TODO
+
+virtual
+~~~~~~~
+
+TODO

docs/spice_uri_scheme.txt

@@ -0,0 +1,131 @@
+The "spice" URI scheme
+======================
+
+This document is inspired by 'The "vnc" URI Scheme' (rfc7869) and
+attempts to document a standard Spice URI scheme.
+
+The normative syntax of the Spice URI is defined in the <spice-uri>
+rule in the following syntax specification.  This specification
+uses the Augmented Backus-Naur Form (ABNF) as described in
+[RFC5234].  The Spice URI conforms to the generic URI syntax
+specified in [RFC3986].  The <userinfo>, <host>, <port>,
+<unreserved>, and <pct-encoded> rules are defined in [RFC3986].
+
+ spice-uri = spice-scheme "://" [ userinfo "@" ] [ host [ ":" port ] ]
+              [ "?" [ spice-params ] ]
+
+ spice-scheme = "spice" / "spice+unix" / "spice+tls"
+
+ spice-params = param "=" value *("&" param "=" value) ["&"]
+
+ param = 1*( param-char )
+
+ value = *( param-char )
+
+ param-char = unreserved / pct-encoded / unreserved-symbols
+
+ unreserved-symbols = ":" / "/" / "@" / "!" / "$" / "'"
+                       / "(" / ")" / "*" / "," / ";"
+
+The "?", "=", and "&" characters are used to delimit Spice parameters
+and must be percent-encoded when representing a data octet as
+specified in [RFC3986].  Within the <spice-params> portion of a Spice
+URI, the <unreserved-symbols> do not have special meaning and need not
+be percent-encoded when representing a data octet.
+
+A Spice URI has the general form:
+
+ spice-scheme://host:port?param1=value1&param2=value2...
+
+The host information and each parameter value specify information
+used in establishing or operating the remote desktop session as
+specified in Section "URI Parameters".
+
+URI Parameters
+--------------
+
+A description of host information and URI parameters is provided in
+this section.  Information on the constraints of various data types is
+provided in Section "Data Types".  All parameters are considered optional;
+however, a client will not be able to connect without sufficient
+information.
+
+A parameter without a specified default value indicates that no
+default value is implied by this URI scheme; however, Spice clients
+can apply implementation-dependent default behaviors otherwise
+consistent with this document.
+
+The <host> and <port> values in the "spice://" and "spice+tls://" URIs
+specify the address of the Spice server on the remote host:
+
+[options="header"]
+|=======================================================================
+| Name       | Type       | Description                     | Default
+| host       | string     | Spice server hostname or IP     | none
+| port       | ushort     | Spice server port               | none
+|=======================================================================
+
+The <host> value in the "spice+unix://" URI specify the UNIX domain
+socket path of the Spice server on the local host:
+
+[options="header"]
+|=======================================================================
+| Name       | Type       | Description                     | Default
+| host       | string     | UNIX domain socket path         | none
+|=======================================================================
+
+The Spice URI parameter values specify remote desktop connection or
+session properties, including aspects of client operation, usability,
+and security as specified in the table below:
+
+[options="header"]
+|=======================================================================
+| Name       | Type       | Description                     | Default
+| port       | ushort     | Spice server port (legacy)      | none
+| tls-port   | ushort     | Spice server TLS port (legacy)  | none
+| password   | string     | Spice server password (legacy)  | none
+| ...        |            |                                 |
+|=======================================================================
+
+Parameter names SHOULD be provided in the case specified in this
+document; however, for compatibility, clients SHOULD accept
+parameters in a case-insensitive manner.  Values SHALL be interpreted
+in a case-sensitive manner, unless otherwise noted.
+
+Additional parameters likely to be useful with multiple Spice clients
+can be added to the "URI Parameters" registry (at the moment,
+discussed and approved on the Spice mailing list).  Individual clients
+MAY support parameters specific to that client.  Spice clients
+supporting application-specific parameters SHOULD include a
+distinguishing prefix within the parameter name, such as the name of
+the application package specified in source code except when precluded
+by compatibility constraints.  For example:
+
+ spice://?com.redhat.spiceclient.MonitorMapping=2&
+
+It can also be expected that clients will maintain backward
+compatibility with legacy URI formats and parameters.
+
+Legacy software applications respond to "spice" URIs in different ways
+and may fail to behave as expected.  It is advisable to test "spice"
+URIs with specific applications or consult application-specific
+documentation.
+
+Data Types
+----------
+
+Spice URIs can be percent-encoded as specified in [RFC3986] and MUST
+be decoded.  After decoding, the following type constraints and
+semantics apply:
+
+string
+~~~~~~
+
+Values of "string" type are UTF8-encoded strings as specified in
+[RFC3629].
+
+ushort
+~~~~~~
+
+The "ushort" values represent unsigned 16-bit integers expressed
+in decimal digits with value between 0-65535 inclusive.

gdi_canvas.h

@@ -1,51 +0,0 @@
-/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/*
-   Copyright (C) 2009 Red Hat, Inc.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef _H__GDI_CANVAS
-#define _H__GDI_CANVAS
-
-#ifndef SPICE_CANVAS_INTERNAL
-#error "This header shouldn't be included directly"
-#endif
-
-#include <stdint.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include "pixman_utils.h"
-#include "canvas_base.h"
-#include "region.h"
-
-SpiceCanvas *gdi_canvas_create(int width, int height,
-                               HDC dc, class RecurciveMutex *lock, uint32_t format,
-                               SpiceImageCache *bits_cache,
-                               SpicePaletteCache *palette_cache,
-                               SpiceImageSurfaces *surfaces,
-                               SpiceGlzDecoder *glz_decoder,
-                               SpiceJpegDecoder *jpeg_decoder,
-                               SpiceZlibDecoder *zlib_decoder);
-
-void gdi_canvas_init(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif

git.mk

@@ -0,0 +1,400 @@
+# git.mk, a small Makefile to autogenerate .gitignore files
+# for autotools-based projects.
+#
+# Copyright 2009, Red Hat, Inc.
+# Copyright 2010,2011,2012,2013 Behdad Esfahbod
+# Written by Behdad Esfahbod
+#
+# Copying and distribution of this file, with or without modification,
+# is permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+#
+# The latest version of this file can be downloaded from:
+GIT_MK_URL = https://raw.githubusercontent.com/behdad/git.mk/master/git.mk
+#
+# Bugs, etc, should be reported upstream at:
+#   https://github.com/behdad/git.mk
+#
+# To use in your project, import this file in your git repo's toplevel,
+# then do "make -f git.mk".  This modifies all Makefile.am files in
+# your project to -include git.mk.  Remember to add that line to new
+# Makefile.am files you create in your project, or just rerun the
+# "make -f git.mk".
+#
+# This enables automatic .gitignore generation.  If you need to ignore
+# more files, add them to the GITIGNOREFILES variable in your Makefile.am.
+# But think twice before doing that.  If a file has to be in .gitignore,
+# chances are very high that it's a generated file and should be in one
+# of MOSTLYCLEANFILES, CLEANFILES, DISTCLEANFILES, or MAINTAINERCLEANFILES.
+#
+# The only case that you need to manually add a file to GITIGNOREFILES is
+# when remove files in one of mostlyclean-local, clean-local, distclean-local,
+# or maintainer-clean-local make targets.
+#
+# Note that for files like editor backup, etc, there are better places to
+# ignore them.  See "man gitignore".
+#
+# If "make maintainer-clean" removes the files but they are not recognized
+# by this script (that is, if "git status" shows untracked files still), send
+# me the output of "git status" as well as your Makefile.am and Makefile for
+# the directories involved and I'll diagnose.
+#
+# For a list of toplevel files that should be in MAINTAINERCLEANFILES, see
+# Makefile.am.sample in the git.mk git repo.
+#
+# Don't EXTRA_DIST this file.  It is supposed to only live in git clones,
+# not tarballs.  It serves no useful purpose in tarballs and clutters the
+# build dir.
+#
+# This file knows how to handle autoconf, automake, libtool, gtk-doc,
+# gnome-doc-utils, yelp.m4, mallard, intltool, gsettings, dejagnu, appdata,
+# appstream, hotdoc.
+#
+# This makefile provides the following targets:
+#
+# - all: "make all" will build all gitignore files.
+# - gitignore: makes all gitignore files in the current dir and subdirs.
+# - .gitignore: make gitignore file for the current dir.
+# - gitignore-recurse: makes all gitignore files in the subdirs.
+#
+# KNOWN ISSUES:
+#
+# - Recursive configure doesn't work as $(top_srcdir)/git.mk inside the
+#   submodule doesn't find us.  If you have configure.{in,ac} files in
+#   subdirs, add a proxy git.mk file in those dirs that simply does:
+#   "include $(top_srcdir)/../git.mk".  Add more ..'s to your taste.
+#   And add those files to git.  See vte/gnome-pty-helper/git.mk for
+#   example.
+#
+
+
+
+###############################################################################
+# Variables user modules may want to add to toplevel MAINTAINERCLEANFILES:
+###############################################################################
+
+#
+# Most autotools-using modules should be fine including this variable in their
+# toplevel MAINTAINERCLEANFILES:
+GITIGNORE_MAINTAINERCLEANFILES_TOPLEVEL = \
+	$(srcdir)/aclocal.m4 \
+	$(srcdir)/autoscan.log \
+	$(srcdir)/configure.scan \
+	`AUX_DIR=$(srcdir)/$$(cd $(top_srcdir); $(AUTOCONF) --trace 'AC_CONFIG_AUX_DIR:$$1' ./configure.ac); \
+	 test "x$$AUX_DIR" = "x$(srcdir)/" && AUX_DIR=$(srcdir); \
+	 for x in \
+		ar-lib \
+		compile \
+		config.guess \
+		config.rpath \
+		config.sub \
+		depcomp \
+		install-sh \
+		ltmain.sh \
+		missing \
+		mkinstalldirs \
+		test-driver \
+		ylwrap \
+	 ; do echo "$$AUX_DIR/$$x"; done` \
+	`cd $(top_srcdir); $(AUTOCONF) --trace 'AC_CONFIG_HEADERS:$$1' ./configure.ac | \
+	head -n 1 | while read f; do echo "$(srcdir)/$$f.in"; done`
+#
+# All modules should also be fine including the following variable, which
+# removes automake-generated Makefile.in files:
+GITIGNORE_MAINTAINERCLEANFILES_MAKEFILE_IN = \
+	`cd $(top_srcdir); $(AUTOCONF) --trace 'AC_CONFIG_FILES:$$1' ./configure.ac | \
+	while read f; do \
+	  case $$f in Makefile|*/Makefile) \
+	    test -f "$(srcdir)/$$f.am" && echo "$(srcdir)/$$f.in";; esac; \
+	done`
+#
+# Modules that use libtool and use  AC_CONFIG_MACRO_DIR() may also include this,
+# though it's harmless to include regardless.
+GITIGNORE_MAINTAINERCLEANFILES_M4_LIBTOOL = \
+	`MACRO_DIR=$(srcdir)/$$(cd $(top_srcdir); $(AUTOCONF) --trace 'AC_CONFIG_MACRO_DIR:$$1' ./configure.ac); \
+	 if test "x$$MACRO_DIR" != "x$(srcdir)/"; then \
+		for x in \
+			libtool.m4 \
+			ltoptions.m4 \
+			ltsugar.m4 \
+			ltversion.m4 \
+			lt~obsolete.m4 \
+		; do echo "$$MACRO_DIR/$$x"; done; \
+	 fi`
+#
+# Modules that use gettext and use  AC_CONFIG_MACRO_DIR() may also include this,
+# though it's harmless to include regardless.
+GITIGNORE_MAINTAINERCLEANFILES_M4_GETTEXT = \
+	`MACRO_DIR=$(srcdir)/$$(cd $(top_srcdir); $(AUTOCONF) --trace 'AC_CONFIG_MACRO_DIR:$$1' ./configure.ac); \
+	if test "x$$MACRO_DIR" != "x$(srcdir)/"; then	\
+		for x in				\
+			codeset.m4			\
+			extern-inline.m4		\
+			fcntl-o.m4			\
+			gettext.m4			\
+			glibc2.m4			\
+			glibc21.m4			\
+			iconv.m4			\
+			intdiv0.m4			\
+			intl.m4				\
+			intldir.m4			\
+			intlmacosx.m4			\
+			intmax.m4			\
+			inttypes-pri.m4			\
+			inttypes_h.m4			\
+			lcmessage.m4			\
+			lib-ld.m4			\
+			lib-link.m4			\
+			lib-prefix.m4			\
+			lock.m4				\
+			longlong.m4			\
+			nls.m4				\
+			po.m4				\
+			printf-posix.m4			\
+			progtest.m4			\
+			size_max.m4			\
+			stdint_h.m4			\
+			threadlib.m4			\
+			uintmax_t.m4			\
+			visibility.m4			\
+			wchar_t.m4			\
+			wint_t.m4			\
+			xsize.m4			\
+		; do echo "$$MACRO_DIR/$$x"; done; \
+	fi`
+
+
+
+###############################################################################
+# Default rule is to install ourselves in all Makefile.am files:
+###############################################################################
+
+git-all: git-mk-install
+
+git-mk-install:
+	@echo "Installing git makefile"
+	@any_failed=; \
+		find "`test -z "$(top_srcdir)" && echo . || echo "$(top_srcdir)"`" -name Makefile.am | while read x; do \
+		if grep 'include .*/git.mk' $$x >/dev/null; then \
+			echo "$$x already includes git.mk"; \
+		else \
+			failed=; \
+			echo "Updating $$x"; \
+			{ cat $$x; \
+			  echo ''; \
+			  echo '-include $$(top_srcdir)/git.mk'; \
+			} > $$x.tmp || failed=1; \
+			if test x$$failed = x; then \
+				mv $$x.tmp $$x || failed=1; \
+			fi; \
+			if test x$$failed = x; then : else \
+				echo "Failed updating $$x"; >&2 \
+				any_failed=1; \
+			fi; \
+	fi; done; test -z "$$any_failed"
+
+git-mk-update:
+	wget $(GIT_MK_URL) -O $(top_srcdir)/git.mk
+
+.PHONY: git-all git-mk-install git-mk-update
+
+
+
+###############################################################################
+# Actual .gitignore generation:
+###############################################################################
+
+$(srcdir)/.gitignore: Makefile.am $(top_srcdir)/git.mk $(top_srcdir)/configure.ac
+	@echo "git.mk: Generating $@"
+	@{ \
+		if test "x$(DOC_MODULE)" = x -o "x$(DOC_MAIN_SGML_FILE)" = x; then :; else \
+			for x in \
+				$(DOC_MODULE)-decl-list.txt \
+				$(DOC_MODULE)-decl.txt \
+				tmpl/$(DOC_MODULE)-unused.sgml \
+				"tmpl/*.bak" \
+				$(REPORT_FILES) \
+				$(DOC_MODULE).pdf \
+				xml html \
+			; do echo "/$$x"; done; \
+			FLAVOR=$$(cd $(top_srcdir); $(AUTOCONF) --trace 'GTK_DOC_CHECK:$$2' ./configure.ac); \
+			case $$FLAVOR in *no-tmpl*) echo /tmpl;; esac; \
+			if echo "$(SCAN_OPTIONS)" | grep -q "\-\-rebuild-types"; then \
+				echo "/$(DOC_MODULE).types"; \
+			fi; \
+			if echo "$(SCAN_OPTIONS)" | grep -q "\-\-rebuild-sections"; then \
+				echo "/$(DOC_MODULE)-sections.txt"; \
+			fi; \
+			if test "$(abs_srcdir)" != "$(abs_builddir)" ; then \
+				for x in \
+					$(SETUP_FILES) \
+					$(DOC_MODULE).types \
+				; do echo "/$$x"; done; \
+			fi; \
+		fi; \
+		if test "x$(DOC_MODULE)$(DOC_ID)" = x -o "x$(DOC_LINGUAS)" = x; then :; else \
+			for lc in $(DOC_LINGUAS); do \
+				for x in \
+					$(if $(DOC_MODULE),$(DOC_MODULE).xml) \
+					$(DOC_PAGES) \
+					$(DOC_INCLUDES) \
+				; do echo "/$$lc/$$x"; done; \
+			done; \
+			for x in \
+				$(_DOC_OMF_ALL) \
+				$(_DOC_DSK_ALL) \
+				$(_DOC_HTML_ALL) \
+				$(_DOC_MOFILES) \
+				$(DOC_H_FILE) \
+				"*/.xml2po.mo" \
+				"*/*.omf.out" \
+			; do echo /$$x; done; \
+		fi; \
+		if test "x$(HOTDOC)" = x; then :; else \
+			$(foreach project, $(HOTDOC_PROJECTS),echo "/$(call HOTDOC_TARGET,$(project))"; \
+				echo "/$(shell $(call HOTDOC_PROJECT_COMMAND,$(project)) --get-conf-path output)" ; \
+				echo "/$(shell $(call HOTDOC_PROJECT_COMMAND,$(project)) --get-private-folder)" ; \
+			) \
+			for x in \
+				.hotdoc.d \
+			; do echo "/$$x"; done; \
+		fi; \
+		if test "x$(HELP_ID)" = x -o "x$(HELP_LINGUAS)" = x; then :; else \
+			for lc in $(HELP_LINGUAS); do \
+				for x in \
+					$(HELP_FILES) \
+					"$$lc.stamp" \
+					"$$lc.mo" \
+				; do echo "/$$lc/$$x"; done; \
+			done; \
+		fi; \
+		if test "x$(gsettings_SCHEMAS)" = x; then :; else \
+			for x in \
+				$(gsettings_SCHEMAS:.xml=.valid) \
+				$(gsettings__enum_file) \
+			; do echo "/$$x"; done; \
+		fi; \
+		if test "x$(appdata_XML)" = x; then :; else \
+			for x in \
+				$(appdata_XML:.xml=.valid) \
+			; do echo "/$$x"; done; \
+		fi; \
+		if test "x$(appstream_XML)" = x; then :; else \
+			for x in \
+				$(appstream_XML:.xml=.valid) \
+			; do echo "/$$x"; done; \
+		fi; \
+		if test -f $(srcdir)/po/Makefile.in.in; then \
+			for x in \
+				ABOUT-NLS \
+				po/Makefile.in.in \
+				po/Makefile.in.in~ \
+				po/Makefile.in \
+				po/Makefile \
+				po/Makevars.template \
+				po/POTFILES \
+				po/Rules-quot \
+				po/stamp-it \
+				po/stamp-po \
+				po/.intltool-merge-cache \
+				"po/*.gmo" \
+				"po/*.header" \
+				"po/*.mo" \
+				"po/*.sed" \
+				"po/*.sin" \
+				po/$(GETTEXT_PACKAGE).pot \
+				intltool-extract.in \
+				intltool-merge.in \
+				intltool-update.in \
+			; do echo "/$$x"; done; \
+		fi; \
+		if test -f $(srcdir)/configure; then \
+			for x in \
+				autom4te.cache \
+				configure \
+				config.h \
+				stamp-h1 \
+				libtool \
+				config.lt \
+			; do echo "/$$x"; done; \
+		fi; \
+		if test "x$(DEJATOOL)" = x; then :; else \
+			for x in \
+				$(DEJATOOL) \
+			; do echo "/$$x.sum"; echo "/$$x.log"; done; \
+			echo /site.exp; \
+		fi; \
+		if test "x$(am__dirstamp)" = x; then :; else \
+			echo "$(am__dirstamp)"; \
+		fi; \
+		if test "x$(findstring libtool,$(LTCOMPILE))" = x -a "x$(findstring libtool,$(LTCXXCOMPILE))" = x -a "x$(GTKDOC_RUN)" = x; then :; else \
+			for x in \
+				"*.lo" \
+				".libs" "_libs" \
+			; do echo "$$x"; done; \
+		fi; \
+		for x in \
+			.gitignore \
+			$(GITIGNOREFILES) \
+			$(CLEANFILES) \
+			$(PROGRAMS) $(check_PROGRAMS) $(EXTRA_PROGRAMS) \
+			$(LIBRARIES) $(check_LIBRARIES) $(EXTRA_LIBRARIES) \
+			$(LTLIBRARIES) $(check_LTLIBRARIES) $(EXTRA_LTLIBRARIES) \
+			so_locations \
+			$(MOSTLYCLEANFILES) \
+			$(TEST_LOGS) \
+			$(TEST_LOGS:.log=.trs) \
+			$(TEST_SUITE_LOG) \
+			$(TESTS:=.test) \
+			"*.gcda" \
+			"*.gcno" \
+			$(DISTCLEANFILES) \
+			$(am__CONFIG_DISTCLEAN_FILES) \
+			$(CONFIG_CLEAN_FILES) \
+			TAGS ID GTAGS GRTAGS GSYMS GPATH tags \
+			"*.tab.c" \
+			$(MAINTAINERCLEANFILES) \
+			$(BUILT_SOURCES) \
+			$(patsubst %.vala,%.c,$(filter %.vala,$(SOURCES))) \
+			$(filter %_vala.stamp,$(DIST_COMMON)) \
+			$(filter %.vapi,$(DIST_COMMON)) \
+			$(filter $(addprefix %,$(notdir $(patsubst %.vapi,%.h,$(filter %.vapi,$(DIST_COMMON))))),$(DIST_COMMON)) \
+			Makefile \
+			Makefile.in \
+			"*.orig" \
+			"*.rej" \
+			"*.bak" \
+			"*~" \
+			".*.sw[nop]" \
+			".dirstamp" \
+		; do echo "/$$x"; done; \
+		for x in \
+			"*.$(OBJEXT)" \
+			$(DEPDIR) \
+		; do echo "$$x"; done; \
+	} | \
+	sed "s@^/`echo "$(srcdir)" | sed 's/\(.\)/[\1]/g'`/@/@" | \
+	sed 's@/[.]/@/@g' | \
+	LC_ALL=C sort | uniq > $@.tmp && \
+	mv $@.tmp $@;
+
+all: $(srcdir)/.gitignore gitignore-recurse-maybe
+gitignore: $(srcdir)/.gitignore gitignore-recurse
+
+gitignore-recurse-maybe:
+	@for subdir in $(DIST_SUBDIRS); do \
+	  case " $(SUBDIRS) " in \
+	    *" $$subdir "*) :;; \
+	    *) test "$$subdir" = . -o -e "$$subdir/.git" || (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) gitignore || echo "Skipping $$subdir");; \
+	  esac; \
+	done
+gitignore-recurse:
+	@for subdir in $(DIST_SUBDIRS); do \
+	    test "$$subdir" = . -o -e "$$subdir/.git" || (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) gitignore || echo "Skipping $$subdir"); \
+	done
+
+maintainer-clean: gitignore-clean
+gitignore-clean:
+	-rm -f $(srcdir)/.gitignore
+
+.PHONY: gitignore-clean gitignore gitignore-recurse gitignore-recurse-maybe

gl_canvas.c

@@ -1,906 +0,0 @@
-/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/*
-   Copyright (C) 2009 Red Hat, Inc.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifndef SPICE_CANVAS_INTERNAL
-#error "This file shouldn't be compiled directly"
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "quic.h"
-#include "rop3.h"
-#include "region.h"
-
-#define GL_CANVAS
-#include "canvas_base.c"
-
-typedef struct GLCanvas GLCanvas;
-
-struct GLCanvas {
-    CanvasBase base;
-    GLCCtx glc;
-    void *private_data;
-    int private_data_size;
-    int textures_lost;
-};
-
-static inline uint8_t *copy_opposite_image(GLCanvas *canvas, void *data, int stride, int height)
-{
-    uint8_t *ret_data = (uint8_t *)data;
-    uint8_t *dest;
-    uint8_t *src;
-    int i;
-
-    if (!canvas->private_data) {
-        canvas->private_data = spice_malloc_n(height, stride);
-        if (!canvas->private_data) {
-            return ret_data;
-        }
-        canvas->private_data_size = stride * height;
-    }
-
-    if (canvas->private_data_size < (stride * height)) {
-        free(canvas->private_data);
-        canvas->private_data = spice_malloc_n(height, stride);
-        if (!canvas->private_data) {
-            return ret_data;
-        }
-        canvas->private_data_size = stride * height;
-    }
-
-    dest = (uint8_t *)canvas->private_data;
-    src = (uint8_t *)data + (height - 1) * stride;
-
-    for (i = 0; i < height; ++i) {
-        memcpy(dest, src, stride);
-        dest += stride;
-        src -= stride;
-    }
-    return (uint8_t *)canvas->private_data;
-}
-
-static pixman_image_t *canvas_surf_to_trans_surf(GLCImage *image,
-                                                 uint32_t trans_color)
-{
-    int width = image->width;
-    int height = image->height;
-    uint8_t *src_line;
-    uint8_t *end_src_line;
-    int src_stride;
-    uint8_t *dest_line;
-    int dest_stride;
-    pixman_image_t *ret;
-    int i;
-
-    ret = pixman_image_create_bits(PIXMAN_a8r8g8b8, width, height, NULL, 0);
-    if (ret == NULL) {
-        CANVAS_ERROR("create surface failed");
-    }
-
-    src_line = image->pixels;
-    src_stride = image->stride;
-    end_src_line = src_line + src_stride * height;
-
-    dest_line = (uint8_t *)pixman_image_get_data(ret);
-    dest_stride = pixman_image_get_stride(ret);
-
-    for (; src_line < end_src_line; src_line += src_stride, dest_line += dest_stride) {
-        for (i = 0; i < width; i++) {
-            if ((((uint32_t*)src_line)[i] & 0x00ffffff) == trans_color) {
-                ((uint32_t*)dest_line)[i] = 0;
-            } else {
-                ((uint32_t*)dest_line)[i] = (((uint32_t*)src_line)[i]) | 0xff000000;
-            }
-        }
-    }
-
-    return ret;
-}
-
-static GLCPath get_path(GLCanvas *canvas, SpicePath *s)
-{
-    GLCPath path = glc_path_create(canvas->glc);
-    int i;
-
-    for (i = 0; i < s->num_segments; i++) {
-        SpicePathSeg* seg = s->segments[i];
-        SpicePointFix* point = seg->points;
-        SpicePointFix* end_point = point + seg->count;
-
-        if (seg->flags & SPICE_PATH_BEGIN) {
-            glc_path_move_to(path, fix_to_double(point->x), fix_to_double(point->y));
-            point++;
-        }
-
-        if (seg->flags & SPICE_PATH_BEZIER) {
-            ASSERT((point - end_point) % 3 == 0);
-            for (; point + 2 < end_point; point += 3) {
-                glc_path_curve_to(path,
-                                  fix_to_double(point[0].x), fix_to_double(point[0].y),
-                                  fix_to_double(point[1].x), fix_to_double(point[1].y),
-                                  fix_to_double(point[2].x), fix_to_double(point[2].y));
-            }
-        } else {
-            for (; point < end_point; point++) {
-                glc_path_line_to(path, fix_to_double(point->x), fix_to_double(point->y));
-            }
-        }
-        if (seg->flags & SPICE_PATH_END) {
-            if (seg->flags & SPICE_PATH_CLOSE) {
-                glc_path_close(path);
-            }
-        }
-    }
-
-    return path;
-}
-
-#define SET_GLC_RECT(dest, src) {                   \
-    (dest)->x = (src)->left;                        \
-    (dest)->y = (src)->top;                         \
-    (dest)->width = (src)->right - (src)->left;     \
-    (dest)->height = (src)->bottom - (src)->top;    \
-}
-
-#define SET_GLC_BOX(dest, src) {                    \
-    (dest)->x = (src)->x1;                          \
-    (dest)->y = (src)->y1;                          \
-    (dest)->width = (src)->x2 - (src)->x1;          \
-    (dest)->height = (src)->y2 - (src)->y1;         \
-}
-
-static void set_clip(GLCanvas *canvas, SpiceRect *bbox, SpiceClip *clip)
-{
-    GLCRect rect;
-    glc_clip_reset(canvas->glc);
-
-    switch (clip->type) {
-    case SPICE_CLIP_TYPE_NONE:
-        break;
-    case SPICE_CLIP_TYPE_RECTS: {
-        uint32_t n = clip->rects->num_rects;
-        SpiceRect *now = clip->rects->rects;
-        SpiceRect *end = now + n;
-
-        if (n == 0) {
-            rect.x = rect.y = 0;
-            rect.width = rect.height = 0;
-            glc_clip_rect(canvas->glc, &rect, GLC_CLIP_OP_SET);
-            break;
-        } else {
-            SET_GLC_RECT(&rect, now);
-            glc_clip_rect(canvas->glc, &rect, GLC_CLIP_OP_SET);
-        }
-
-        for (now++; now < end; now++) {
-            SET_GLC_RECT(&rect, now);
-            glc_clip_rect(canvas->glc, &rect, GLC_CLIP_OP_OR);
-        }
-        break;
-    }
-    default:
-        CANVAS_ERROR("invalid clip type");
-    }
-}
-
-static void set_mask(GLCanvas *canvas, SpiceQMask *mask, int x, int y)
-{
-    pixman_image_t *image;
-
-    if (!(image = canvas_get_mask(&canvas->base, mask, NULL))) {
-        glc_clear_mask(canvas->glc, GLC_MASK_A);
-        return;
-    }
-
-
-    glc_set_mask(canvas->glc, x - mask->pos.x, y - mask->pos.y,
-                 pixman_image_get_width(image),
-                 pixman_image_get_height(image),
-                 pixman_image_get_stride(image),
-                 (uint8_t *)pixman_image_get_data(image), GLC_MASK_A);
-}
-
-static inline void surface_to_image(GLCanvas *canvas, pixman_image_t *surface, GLCImage *image,
-                                    int ignore_stride)
-{
-    int depth = pixman_image_get_depth(surface);
-
-    ASSERT(depth == 32 || depth == 24);
-    image->format = (depth == 24) ? GLC_IMAGE_RGB32 : GLC_IMAGE_ARGB32;
-    image->width = pixman_image_get_width(surface);
-    image->height = pixman_image_get_height(surface);
-    image->stride = pixman_image_get_stride(surface);
-    image->pixels = (uint8_t *)pixman_image_get_data(surface);
-    image->pallet = NULL;
-    if (ignore_stride) {
-        return;
-    }
-    if (image->stride < 0) {
-        image->stride = -image->stride;
-        image->pixels = image->pixels - (image->height - 1) * image->stride;
-    } else {
-        image->pixels = copy_opposite_image(canvas, image->pixels, image->stride, image->height);
-    }
-}
-
-static void set_brush(GLCanvas *canvas, SpiceBrush *brush)
-{
-    switch (brush->type) {
-    case SPICE_BRUSH_TYPE_SOLID: {
-        uint32_t color = brush->u.color;
-        double r, g, b;
-
-        b = (double)(color & canvas->base.color_mask) / canvas->base.color_mask;
-        color >>= canvas->base.color_shift;
-        g = (double)(color & canvas->base.color_mask) / canvas->base.color_mask;
-        color >>= canvas->base.color_shift;
-        r = (double)(color & canvas->base.color_mask) / canvas->base.color_mask;
-        glc_set_rgb(canvas->glc, r, g, b);
-        break;
-    }
-    case SPICE_BRUSH_TYPE_PATTERN: {
-        GLCImage image;
-        GLCPattern pattern;
-        pixman_image_t *surface;
-
-        surface = canvas_get_image(&canvas->base, brush->u.pattern.pat, FALSE);
-        surface_to_image(canvas, surface, &image, 0);
-
-        pattern = glc_pattern_create(canvas->glc, -brush->u.pattern.pos.x,
-                                     -brush->u.pattern.pos.y, &image);
-
-        glc_set_pattern(canvas->glc, pattern);
-        glc_pattern_destroy(pattern);
-        pixman_image_unref (surface);
-    }
-    case SPICE_BRUSH_TYPE_NONE:
-        return;
-    default:
-        CANVAS_ERROR("invalid brush type");
-    }
-}
-
-static void set_op(GLCanvas *canvas, uint16_t rop_decriptor)
-{
-    GLCOp op;
-
-    switch (rop_decriptor) {
-    case SPICE_ROPD_OP_PUT:
-        op = GLC_OP_COPY;
-        break;
-    case SPICE_ROPD_OP_XOR:
-        op = GLC_OP_XOR;
-        break;
-    case SPICE_ROPD_OP_BLACKNESS:
-        op = GLC_OP_CLEAR;
-        break;
-    case SPICE_ROPD_OP_WHITENESS:
-        op = GLC_OP_SET;
-        break;
-    case SPICE_ROPD_OP_PUT | SPICE_ROPD_INVERS_BRUSH:
-    case SPICE_ROPD_OP_PUT | SPICE_ROPD_INVERS_SRC:
-        op = GLC_OP_COPY_INVERTED;
-        break;
-    case SPICE_ROPD_OP_INVERS:
-        op = GLC_OP_INVERT;
-        break;
-    case SPICE_ROPD_OP_AND:
-        op = GLC_OP_AND;
-        break;
-    case SPICE_ROPD_OP_AND | SPICE_ROPD_INVERS_RES:
-        op = GLC_OP_NAND;
-        break;
-    case SPICE_ROPD_OP_OR:
-        op = GLC_OP_OR;
-        break;
-    case SPICE_ROPD_OP_OR | SPICE_ROPD_INVERS_RES:
-        op = GLC_OP_NOR;
-        break;
-    case SPICE_ROPD_OP_XOR | SPICE_ROPD_INVERS_RES:
-        op = GLC_OP_EQUIV;
-        break;
-    case SPICE_ROPD_OP_AND | SPICE_ROPD_INVERS_DEST:
-        op = GLC_OP_AND_REVERSE;
-        break;
-    case SPICE_ROPD_OP_AND | SPICE_ROPD_INVERS_BRUSH:
-    case SPICE_ROPD_OP_AND | SPICE_ROPD_INVERS_SRC:
-        op = GLC_OP_AND_INVERTED;
-        break;
-    case SPICE_ROPD_OP_OR | SPICE_ROPD_INVERS_DEST:
-        op = GLC_OP_OR_REVERSE;
-        break;
-    case SPICE_ROPD_OP_OR | SPICE_ROPD_INVERS_BRUSH:
-    case SPICE_ROPD_OP_OR | SPICE_ROPD_INVERS_SRC:
-        op = GLC_OP_OR_INVERTED;
-        break;
-    default:
-        WARN("GLC_OP_NOOP");
-        op = GLC_OP_NOOP;
-    }
-    glc_set_op(canvas->glc, op);
-}
-
-static void gl_canvas_draw_fill(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceFill *fill)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    GLCRect rect;
-    set_clip(canvas, bbox, clip);
-    set_mask(canvas, &fill->mask, bbox->left, bbox->top);
-    set_brush(canvas, &fill->brush);
-    set_op(canvas, fill->rop_descriptor);
-    SET_GLC_RECT(&rect, bbox);
-
-    glc_fill_rect(canvas->glc, &rect);
-    glc_flush(canvas->glc);
-}
-
-static void gl_canvas_draw_copy(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceCopy *copy)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    pixman_image_t *surface;
-    GLCRecti src;
-    GLCRecti dest;
-    GLCImage image;
-
-    set_clip(canvas, bbox, clip);
-    set_mask(canvas, &copy->mask, bbox->left, bbox->top);
-    set_op(canvas, copy->rop_descriptor);
-
-    //todo: optimize get_image (use ogl conversion + remove unnecessary copy of 32bpp)
-    surface = canvas_get_image(&canvas->base, copy->src_bitmap, FALSE);
-    surface_to_image(canvas, surface, &image, 0);
-    SET_GLC_RECT(&dest, bbox);
-    SET_GLC_RECT(&src, &copy->src_area);
-    glc_draw_image(canvas->glc, &dest, &src, &image, 0, 1);
-
-    pixman_image_unref(surface);
-    glc_flush(canvas->glc);
-}
-
-static void gl_canvas_draw_opaque(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceOpaque *opaque)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    pixman_image_t *surface;
-    GLCRecti src;
-    GLCRecti dest;
-    GLCRect fill_rect;
-    GLCImage image;
-
-    set_clip(canvas, bbox, clip);
-    set_mask(canvas, &opaque->mask, bbox->left, bbox->top);
-
-    glc_set_op(canvas->glc, (opaque->rop_descriptor & SPICE_ROPD_INVERS_SRC) ? GLC_OP_COPY_INVERTED :
-               GLC_OP_COPY);
-    surface = canvas_get_image(&canvas->base, opaque->src_bitmap, FALSE);
-    surface_to_image(canvas, surface, &image, 0);
-    SET_GLC_RECT(&dest, bbox);
-    SET_GLC_RECT(&src, &opaque->src_area);
-    glc_draw_image(canvas->glc, &dest, &src, &image, 0, 1);
-    pixman_image_unref(surface);
-
-    set_brush(canvas, &opaque->brush);
-    set_op(canvas, opaque->rop_descriptor & ~SPICE_ROPD_INVERS_SRC);
-    SET_GLC_RECT(&fill_rect, bbox);
-    glc_fill_rect(canvas->glc, &fill_rect);
-
-    glc_flush(canvas->glc);
-}
-
-static void gl_canvas_draw_alpha_blend(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceAlphaBlend *alpha_blend)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    pixman_image_t *surface;
-    GLCRecti src;
-    GLCRecti dest;
-    GLCImage image;
-
-    set_clip(canvas, bbox, clip);
-    glc_clear_mask(canvas->glc, GLC_MASK_A);
-    glc_set_op(canvas->glc, GLC_OP_COPY);
-
-    surface = canvas_get_image(&canvas->base, alpha_blend->src_bitmap, FALSE);
-    surface_to_image(canvas, surface, &image, 0);
-    SET_GLC_RECT(&dest, bbox);
-    SET_GLC_RECT(&src, &alpha_blend->src_area);
-    glc_draw_image(canvas->glc, &dest, &src, &image, 0, (double)alpha_blend->alpha / 0xff);
-
-    pixman_image_unref(surface);
-    glc_flush(canvas->glc);
-}
-
-static void gl_canvas_draw_blend(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceBlend *blend)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    pixman_image_t *surface;
-    GLCRecti src;
-    GLCRecti dest;
-    GLCImage image;
-
-    set_clip(canvas, bbox, clip);
-    set_mask(canvas, &blend->mask, bbox->left, bbox->top);
-    set_op(canvas, blend->rop_descriptor);
-
-    surface = canvas_get_image(&canvas->base, blend->src_bitmap, FALSE);
-    SET_GLC_RECT(&dest, bbox);
-    SET_GLC_RECT(&src, &blend->src_area);
-    surface_to_image(canvas, surface, &image, 0);
-    glc_draw_image(canvas->glc, &dest, &src, &image, 0, 1);
-
-    pixman_image_unref(surface);
-    glc_flush(canvas->glc);
-}
-
-static void gl_canvas_draw_transparent(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceTransparent *transparent)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    pixman_image_t *surface;
-    pixman_image_t *trans_surf;
-    GLCImage image;
-    GLCRecti src;
-    GLCRecti dest;
-
-    set_clip(canvas, bbox, clip);
-    glc_clear_mask(canvas->glc, GLC_MASK_A);
-    glc_set_op(canvas->glc, GLC_OP_COPY);
-
-    surface = canvas_get_image(&canvas->base, transparent->src_bitmap, FALSE);
-    surface_to_image(canvas, surface, &image, 0);
-
-    trans_surf = canvas_surf_to_trans_surf(&image, transparent->true_color);
-    pixman_image_unref(surface);
-
-    surface_to_image(canvas, trans_surf, &image, 1);
-    SET_GLC_RECT(&dest, bbox);
-    SET_GLC_RECT(&src, &transparent->src_area);
-    glc_draw_image(canvas->glc, &dest, &src, &image, 0, 1);
-
-    pixman_image_unref(trans_surf);
-    glc_flush(canvas->glc);
-}
-
-static inline void fill_common(GLCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceQMask * mask, GLCOp op)
-{
-    GLCRect rect;
-
-    set_clip(canvas, bbox, clip);
-    set_mask(canvas, mask, bbox->left, bbox->top);
-    glc_set_op(canvas->glc, op);
-    SET_GLC_RECT(&rect, bbox);
-    glc_fill_rect(canvas->glc, &rect);
-}
-
-static void gl_canvas_draw_whiteness(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceWhiteness *whiteness)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    fill_common(canvas, bbox, clip, &whiteness->mask, GLC_OP_SET);
-}
-
-static void gl_canvas_draw_blackness(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceBlackness *blackness)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    fill_common(canvas, bbox, clip, &blackness->mask, GLC_OP_CLEAR);
-}
-
-static void gl_canvas_draw_invers(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceInvers *invers)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    fill_common(canvas, bbox, clip, &invers->mask, GLC_OP_INVERT);
-}
-
-static void gl_canvas_draw_rop3(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceRop3 *rop3)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    pixman_image_t *d;
-    pixman_image_t *s;
-    GLCImage image;
-    SpicePoint src_pos;
-    uint8_t *data_opp;
-    int src_stride;
-
-    set_clip(canvas, bbox, clip);
-    set_mask(canvas, &rop3->mask, bbox->left, bbox->top);
-
-    glc_set_op(canvas->glc, GLC_OP_COPY);
-
-    image.format = GLC_IMAGE_RGB32;
-    image.width = bbox->right - bbox->left;
-    image.height = bbox->bottom - bbox->top;
-
-    image.pallet = NULL;
-
-    d = pixman_image_create_bits(PIXMAN_x8r8g8b8, image.width, image.height, NULL, 0);
-    if (d == NULL) {
-        CANVAS_ERROR("create surface failed");
-    }
-    image.pixels = (uint8_t *)pixman_image_get_data(d);
-    image.stride = pixman_image_get_stride(d);
-
-    glc_read_pixels(canvas->glc, bbox->left, bbox->top, &image);
-    data_opp = copy_opposite_image(canvas, image.pixels,
-                                   image.stride,
-                                   pixman_image_get_height(d));
-    memcpy(image.pixels, data_opp,
-           image.stride * pixman_image_get_height(d));
-
-    s = canvas_get_image(&canvas->base, rop3->src_bitmap, FALSE);
-    src_stride = pixman_image_get_stride(s);
-    if (src_stride > 0) {
-        data_opp = copy_opposite_image(canvas, (uint8_t *)pixman_image_get_data(s),
-                                       src_stride, pixman_image_get_height(s));
-        memcpy((uint8_t *)pixman_image_get_data(s), data_opp,
-               src_stride * pixman_image_get_height(s));
-    }
-
-    if (!rect_is_same_size(bbox, &rop3->src_area)) {
-        pixman_image_t *scaled_s = canvas_scale_surface(s, &rop3->src_area, image.width,
-                                                        image.height, rop3->scale_mode);
-        pixman_image_unref(s);
-        s = scaled_s;
-        src_pos.x = 0;
-        src_pos.y = 0;
-    } else {
-        src_pos.x = rop3->src_area.left;
-        src_pos.y = rop3->src_area.top;
-    }
-
-    if (pixman_image_get_width(s) - src_pos.x < image.width ||
-        pixman_image_get_height(s) - src_pos.y < image.height) {
-        CANVAS_ERROR("bad src bitmap size");
-    }
-
-    if (rop3->brush.type == SPICE_BRUSH_TYPE_PATTERN) {
-        pixman_image_t *p = canvas_get_image(&canvas->base, rop3->brush.u.pattern.pat, FALSE);
-        SpicePoint pat_pos;
-
-        pat_pos.x = (bbox->left - rop3->brush.u.pattern.pos.x) % pixman_image_get_width(p);
-
-        pat_pos.y = (bbox->top - rop3->brush.u.pattern.pos.y) % pixman_image_get_height(p);
-
-        //for now (bottom-top)
-        if (pat_pos.y < 0) {
-            pat_pos.y = pixman_image_get_height(p) + pat_pos.y;
-        }
-        pat_pos.y = (image.height + pat_pos.y) % pixman_image_get_height(p);
-        pat_pos.y = pixman_image_get_height(p) - pat_pos.y;
-
-        do_rop3_with_pattern(rop3->rop3, d, s, &src_pos, p, &pat_pos);
-        pixman_image_unref(p);
-    } else {
-        uint32_t color = (canvas->base.color_shift) == 8 ? rop3->brush.u.color :
-                                                         canvas_16bpp_to_32bpp(rop3->brush.u.color);
-        do_rop3_with_color(rop3->rop3, d, s, &src_pos, color);
-    }
-
-    pixman_image_unref(s);
-
-    GLCRecti dest;
-    GLCRecti src;
-    dest.x = bbox->left;
-    dest.y = bbox->top;
-
-    image.pixels = copy_opposite_image(canvas, image.pixels, pixman_image_get_stride(d),
-                                       pixman_image_get_height(d));
-
-    src.x = src.y = 0;
-    dest.width = src.width = image.width;
-    dest.height = src.height = image.height;
-    glc_draw_image(canvas->glc, &dest, &src, &image, 0, 1);
-    pixman_image_unref(d);
-}
-
-static void gl_canvas_draw_stroke(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceStroke *stroke)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    GLCPath path;
-
-    set_clip(canvas, bbox, clip);
-    glc_clear_mask(canvas->glc, GLC_MASK_A);
-    set_op(canvas, stroke->fore_mode);
-    set_brush(canvas, &stroke->brush);
-
-    if (stroke->attr.flags & SPICE_LINE_FLAGS_STYLED) {
-        WARN("SPICE_LINE_FLAGS_STYLED");
-    }
-    glc_set_line_width(canvas->glc, 1.0);
-
-    path = get_path(canvas, stroke->path);
-    glc_stroke_path(canvas->glc, path);
-    glc_path_destroy(path);
-}
-
-static void gl_canvas_draw_text(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpiceText *text)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    GLCRect rect;
-    SpiceString *str;
-
-    set_clip(canvas, bbox, clip);
-    glc_clear_mask(canvas->glc, GLC_MASK_A);
-
-    if (!rect_is_empty(&text->back_area)) {
-        set_brush(canvas, &text->back_brush);
-        set_op(canvas, text->back_mode);
-        SET_GLC_RECT(&rect, bbox);
-        glc_fill_rect(canvas->glc, &rect);
-    }
-
-    str = (SpiceString *)SPICE_GET_ADDRESS(text->str);
-    set_brush(canvas, &text->fore_brush);
-    set_op(canvas, text->fore_mode);
-    if (str->flags & SPICE_STRING_FLAGS_RASTER_A1) {
-        SpicePoint pos;
-        pixman_image_t *mask = canvas_get_str_mask(&canvas->base, str, 1, &pos);
-        _glc_fill_mask(canvas->glc, pos.x, pos.y,
-                       pixman_image_get_width(mask),
-                       pixman_image_get_height(mask),
-                       pixman_image_get_stride(mask),
-                       (uint8_t *)pixman_image_get_data(mask));
-        pixman_image_unref(mask);
-    } else if (str->flags & SPICE_STRING_FLAGS_RASTER_A4) {
-        SpicePoint pos;
-        pixman_image_t *mask = canvas_get_str_mask(&canvas->base, str, 4, &pos);
-        glc_fill_alpha(canvas->glc, pos.x, pos.y,
-                       pixman_image_get_width(mask),
-                       pixman_image_get_height(mask),
-                       pixman_image_get_stride(mask),
-                       (uint8_t *)pixman_image_get_data(mask));
-
-        pixman_image_unref(mask);
-    } else if (str->flags & SPICE_STRING_FLAGS_RASTER_A8) {
-        WARN("untested path A8 glyphs, doing nothing");
-        if (0) {
-            SpicePoint pos;
-            pixman_image_t *mask = canvas_get_str_mask(&canvas->base, str, 8, &pos);
-            glc_fill_alpha(canvas->glc, pos.x, pos.y,
-                           pixman_image_get_width(mask),
-                           pixman_image_get_height(mask),
-                           pixman_image_get_stride(mask),
-                           (uint8_t *)pixman_image_get_data(mask));
-            pixman_image_unref(mask);
-        }
-    } else {
-        WARN("untested path vector glyphs, doing nothing");
-        if (0) {
-            //draw_vector_str(canvas, str, &text->fore_brush, text->fore_mode);
-        }
-    }
-    glc_flush(canvas->glc);
-}
-
-static void gl_canvas_clear(SpiceCanvas *spice_canvas)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    glc_clear(canvas->glc);
-    glc_flush(canvas->glc);
-}
-
-static void gl_canvas_copy_bits(SpiceCanvas *spice_canvas, SpiceRect *bbox, SpiceClip *clip, SpicePoint *src_pos)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    set_clip(canvas, bbox, clip);
-    glc_clear_mask(canvas->glc, GLC_MASK_A);
-    glc_set_op(canvas->glc, GLC_OP_COPY);
-    glc_copy_pixels(canvas->glc, bbox->left, bbox->top, src_pos->x, src_pos->y,
-                    bbox->right - bbox->left, bbox->bottom - bbox->top);
-}
-
-static void gl_canvas_read_bits(SpiceCanvas *spice_canvas, uint8_t *dest, int dest_stride, const SpiceRect *area)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    GLCImage image;
-
-    ASSERT(dest_stride > 0);
-    image.format = GLC_IMAGE_RGB32;
-    image.height = area->bottom - area->top;
-    image.width = area->right - area->left;
-    image.pixels = dest;
-    image.stride = dest_stride;
-    glc_read_pixels(canvas->glc, area->left, area->top, &image);
-}
-
-static void gl_canvas_group_start(SpiceCanvas *spice_canvas, QRegion *region)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    GLCRect *glc_rects;
-    GLCRect *now, *end;
-    int num_rect;
-    pixman_box32_t *rects;
-
-    canvas_base_group_start(spice_canvas, region);
-
-    rects = pixman_region32_rectangles(region, &num_rect);
-
-    glc_rects = spice_new(GLCRect, num_rect);
-    now = glc_rects;
-    end = glc_rects + num_rect;
-
-    for (; now < end; now++, rects++) {
-        SET_GLC_BOX(now, rects);
-    }
-    glc_mask_rects(canvas->glc, num_rect, glc_rects, GLC_MASK_B);
-
-    free(glc_rects);
-}
-
-static void gl_canvas_put_image(SpiceCanvas *spice_canvas, const SpiceRect *dest, const uint8_t *src_data,
-                         uint32_t src_width, uint32_t src_height, int src_stride,
-                         const QRegion *clip)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-    GLCRecti src;
-    GLCRecti gldest;
-    GLCImage image;
-    uint32_t i;
-
-    ASSERT(src_stride <= 0)
-    glc_clip_reset(canvas->glc);
-
-    if (clip) {
-        int num_rects;
-        pixman_box32_t *rects = pixman_region32_rectangles((pixman_region32_t *)clip,
-                                                           &num_rects);
-        GLCRect rect;
-        if (num_rects == 0) {
-            rect.x = rect.y = rect.width = rect.height = 0;
-            glc_clip_rect(canvas->glc, &rect, GLC_CLIP_OP_SET);
-        } else {
-            SET_GLC_BOX(&rect, rects);
-            glc_clip_rect(canvas->glc, &rect, GLC_CLIP_OP_SET);
-            for (i = 1; i < num_rects; i++) {
-                SET_GLC_BOX(&rect, rects + i);
-                glc_clip_rect(canvas->glc, &rect, GLC_CLIP_OP_OR);
-            }
-        }
-    }
-
-    SET_GLC_RECT(&gldest, dest);
-    src.x = src.y = 0;
-    src.width = src_width;
-    src.height = src_height;
-
-    image.format = GLC_IMAGE_RGB32;
-    image.width = src_width;
-    image.height = src_height;
-    src_stride = -src_stride;
-    image.stride = src_stride;
-    image.pixels = (uint8_t *)src_data - (src_height - 1) * src_stride;
-    image.pallet = NULL;
-    glc_draw_image(canvas->glc, &gldest, &src, &image, 0, 1);
-
-    glc_flush(canvas->glc);
-}
-
-static void gl_canvas_group_end(SpiceCanvas *spice_canvas)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-
-    canvas_base_group_end(spice_canvas);
-    glc_clear_mask(canvas->glc, GLC_MASK_B);
-}
-
-static int need_init = 1;
-static SpiceCanvasOps gl_canvas_ops;
-
-SpiceCanvas *gl_canvas_create(int width, int height, uint32_t format
-#ifdef SW_CANVAS_CACHE
-                              , SpiceImageCache *bits_cache
-                              , SpicePaletteCache *palette_cache
-#elif defined(SW_CANVAS_IMAGE_CACHE)
-                              , SpiceImageCache *bits_cache
-#endif
-                              , SpiceImageSurfaces *surfaces
-                              , SpiceGlzDecoder *glz_decoder
-                              , SpiceJpegDecoder *jpeg_decoder
-                              , SpiceZlibDecoder *zlib_decoder
-                           )
-{
-    GLCanvas *canvas;
-    int init_ok;
-
-    if (need_init) {
-        return NULL;
-    }
-    canvas = spice_new0(GLCanvas, 1);
-
-    if (!(canvas->glc = glc_create(width, height))) {
-        goto error_1;
-    }
-    canvas->private_data = NULL;
-    init_ok = canvas_base_init(&canvas->base, &gl_canvas_ops,
-                               width, height, format
-#ifdef SW_CANVAS_CACHE
-                               , bits_cache
-                               , palette_cache
-#elif defined(SW_CANVAS_IMAGE_CACHE)
-                               , bits_cache
-#endif
-                               , surfaces
-                               , glz_decoder
-                               , jpeg_decoder
-                               , zlib_decoder
-                               );
-    if (!init_ok) {
-        goto error_2;
-    }
-
-    return (SpiceCanvas *)canvas;
-
-error_2:
-    glc_destroy(canvas->glc, 0);
-error_1:
-    free(canvas);
-
-    return NULL;
-}
-
-void gl_canvas_set_textures_lost(SpiceCanvas *spice_canvas,
-                                 int textures_lost)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-
-    canvas->textures_lost = textures_lost;
-}
-
-static void gl_canvas_destroy(SpiceCanvas *spice_canvas)
-{
-    GLCanvas *canvas = (GLCanvas *)spice_canvas;
-
-    if (!canvas) {
-        return;
-    }
-    canvas_base_destroy(&canvas->base);
-    glc_destroy(canvas->glc, canvas->textures_lost);
-    free(canvas->private_data);
-    free(canvas);
-}
-
-void gl_canvas_init(void) //unsafe global function
-{
-    if (!need_init) {
-        return;
-    }
-    need_init = 0;
-
-    canvas_base_init_ops(&gl_canvas_ops);
-    gl_canvas_ops.draw_fill = gl_canvas_draw_fill;
-    gl_canvas_ops.draw_copy = gl_canvas_draw_copy;
-    gl_canvas_ops.draw_opaque = gl_canvas_draw_opaque;
-    gl_canvas_ops.copy_bits = gl_canvas_copy_bits;
-    gl_canvas_ops.draw_text = gl_canvas_draw_text;
-    gl_canvas_ops.draw_stroke = gl_canvas_draw_stroke;
-    gl_canvas_ops.draw_rop3 = gl_canvas_draw_rop3;
-    gl_canvas_ops.draw_blend = gl_canvas_draw_blend;
-    gl_canvas_ops.draw_blackness = gl_canvas_draw_blackness;
-    gl_canvas_ops.draw_whiteness = gl_canvas_draw_whiteness;
-    gl_canvas_ops.draw_invers = gl_canvas_draw_invers;
-    gl_canvas_ops.draw_transparent = gl_canvas_draw_transparent;
-    gl_canvas_ops.draw_alpha_blend = gl_canvas_draw_alpha_blend;
-    gl_canvas_ops.put_image = gl_canvas_put_image;
-    gl_canvas_ops.clear = gl_canvas_clear;
-    gl_canvas_ops.read_bits = gl_canvas_read_bits;
-    gl_canvas_ops.group_start = gl_canvas_group_start;
-    gl_canvas_ops.group_end = gl_canvas_group_end;
-    gl_canvas_ops.destroy = gl_canvas_destroy;
-
-    rop3_init();
-}

gl_utils.h

@@ -1,61 +0,0 @@
-/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/*
-   Copyright (C) 2009 Red Hat, Inc.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, write to the Free Software
-
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#ifndef GL_UTILS_H
-#define GL_UTILS_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifdef RED_DEBUG
-#define GLC_ERROR_TEST_FLUSH {                                        \
-    GLenum gl_err;  glFlush();                                        \
-    if ((gl_err = glGetError()) != GL_NO_ERROR) {                     \
-        printf("%s[%d]: opengl error: %s\n",  __FUNCTION__, __LINE__, \
-        gluErrorString(gl_err));                                      \
-        abort();                                                      \
-    }                                                                 \
-}
-
-#define GLC_ERROR_TEST_FINISH {                                       \
-    GLenum gl_err;  glFinish();                                       \
-    if ((gl_err = glGetError()) != GL_NO_ERROR) {                     \
-        printf("%s[%d]: opengl error: %s\n",  __FUNCTION__, __LINE__, \
-        gluErrorString(gl_err));                                      \
-        abort();                                                      \
-    }                                                                 \
-}
-#else
-#define GLC_ERROR_TEST_FLUSH ;
-
-#define GLC_ERROR_TEST_FINISH ;
-#endif
-
-#include "bitops.h"
-
-#define find_msb spice_bit_find_msb
-#define gl_get_to_power_two spice_bit_next_pow2
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif

glc.h

@@ -1,167 +0,0 @@
-/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/*
-   Copyright (C) 2009 Red Hat, Inc.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, write to the Free Software
-
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#ifndef _H_GL_CANVASE
-#define _H_GL_CANVASE
-
-#include <stdint.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef void * GLCCtx;
-typedef void * GLCPattern;
-typedef void * GLCPath;
-
-typedef struct GLCRect {
-    double x;
-    double y;
-    double width;
-    double height;
-} GLCRect;
-
-typedef struct GLCRecti {
-    int x;
-    int y;
-    int width;
-    int height;
-} GLCRecti;
-
-typedef enum  {
-    GLC_IMAGE_RGB32,
-    GLC_IMAGE_ARGB32,
-} GLCImageFormat;
-
-typedef struct GLCPImage {
-    GLCImageFormat format;
-    int width;
-    int height;
-    int stride;
-    uint8_t *pixels;
-    uint32_t *pallet;
-} GLCImage;
-
-GLCPattern glc_pattern_create(GLCCtx glc, int x_orign, int y_orign, const GLCImage *image);
-void glc_pattern_set(GLCPattern pattern, int x_orign, int y_orign, const GLCImage *image);
-void glc_pattern_destroy(GLCPattern pattern);
-
-void glc_path_move_to(GLCPath path, double x, double y);
-void glc_path_line_to(GLCPath path, double x, double y);
-void glc_path_curve_to(GLCPath path, double p1_x, double p1_y, double p2_x, double p2_y,
-                       double p3_x, double p3_y);
-void glc_path_rel_move_to(GLCPath path, double x, double y);
-void glc_path_rel_line_to(GLCPath path, double x, double y);
-void glc_path_rel_curve_to(GLCPath path, double p1_x, double p1_y, double p2_x, double p2_y,
-                           double p3_x, double p3_y);
-void glc_path_close(GLCPath path);
-
-void glc_path_cleare(GLCPath);
-GLCPath glc_path_create(GLCCtx glc);
-void glc_path_destroy(GLCPath path);
-
-void glc_set_rgb(GLCCtx glc, double red, double green, double blue);
-void glc_set_rgba(GLCCtx glc, double red, double green, double blue, double alpha);
-void glc_set_pattern(GLCCtx glc, GLCPattern pattern);
-
-typedef enum  {
-    GLC_OP_CLEAR = 0x1500,
-    GLC_OP_SET = 0x150F,
-    GLC_OP_COPY = 0x1503,
-    GLC_OP_COPY_INVERTED = 0x150C,
-    GLC_OP_NOOP = 0x1505,
-    GLC_OP_INVERT = 0x150A,
-    GLC_OP_AND = 0x1501,
-    GLC_OP_NAND = 0x150E,
-    GLC_OP_OR = 0x1507,
-    GLC_OP_NOR = 0x1508,
-    GLC_OP_XOR = 0x1506,
-    GLC_OP_EQUIV = 0x1509,
-    GLC_OP_AND_REVERSE = 0x1502,
-    GLC_OP_AND_INVERTED = 0x1504,
-    GLC_OP_OR_REVERSE = 0x150B,
-    GLC_OP_OR_INVERTED = 0x150D,
-} GLCOp;
-
-void glc_set_op(GLCCtx glc, GLCOp op);
-void glc_set_alpha_factor(GLCCtx glc, double alpah);
-
-typedef enum  {
-    GLC_FILL_MODE_WINDING_ODD,
-    GLC_FILL_MODE_WINDING_NONZERO,
-} GLCFillMode;
-
-void glc_set_fill_mode(GLCCtx glc, GLCFillMode mode);
-void glc_set_line_width(GLCCtx glc, double width);
-void glc_set_line_end_cap(GLCCtx glc, int style);
-void glc_set_line_join(GLCCtx glc, int style);
-void glc_set_miter_limit(GLCCtx glc, int limit);
-void glc_set_line_dash(GLCCtx glc, const double *dashes, int num_dashes, double offset);
-
-typedef enum  {
-    GLC_MASK_A,
-    GLC_MASK_B,
-} GLCMaskID;
-
-void glc_set_mask(GLCCtx glc, int x_dest, int y_dest, int width, int height,
-                  int stride, const uint8_t *bitmap, GLCMaskID id);
-void glc_mask_rects(GLCCtx glc, int num_rect, GLCRect *rects, GLCMaskID id);
-void glc_clear_mask(GLCCtx glc, GLCMaskID id);
-
-typedef enum {
-    GLC_CLIP_OP_SET,
-    GLC_CLIP_OP_OR,
-    GLC_CLIP_OP_AND,
-    GLC_CLIP_OP_EXCLUDE,
-} GLCClipOp;
-
-void glc_clip_rect(GLCCtx glc, const GLCRect *rect, GLCClipOp op);
-void glc_clip_path(GLCCtx glc, GLCPath path, GLCClipOp op);
-void glc_clip_mask(GLCCtx glc, int x_dest, int y_dest, int width, int height, int stride,
-                   const uint8_t *bitmap, GLCClipOp op);
-void glc_clip_reset(GLCCtx glc);
-
-void glc_fill_rect(GLCCtx glc, const GLCRect *rect);
-void glc_fill_path(GLCCtx glc, GLCPath path);
-void _glc_fill_mask(GLCCtx glc, int x_dest, int y_dest, int width, int height, int stride,
-                    const uint8_t *bitmap);
-void glc_fill_alpha(GLCCtx glc, int x_dest, int y_dest, int width, int height, int stride,
-                    const uint8_t *alpha_mask);
-
-void glc_stroke_rect(GLCCtx glc, const GLCRect *rect);
-void glc_stroke_path(GLCCtx glc, GLCPath path);
-
-void glc_draw_image(GLCCtx glc, const GLCRecti *dest, const GLCRecti *src, const GLCImage *image,
-                    int scale_mode, double alpha);
-
-void glc_copy_pixels(GLCCtx glc, int x_dest, int y_dest, int x_src, int y_src, int width,
-                     int height);
-void glc_read_pixels(GLCCtx glc, int x, int y, GLCImage *image);
-
-void glc_flush(GLCCtx glc);
-void glc_clear(GLCCtx glc);
-GLCCtx glc_create(int width, int height);
-void glc_destroy(GLCCtx glc, int textures_lost);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif

m4/ax_python_module.m4

@@ -0,0 +1,49 @@
+# ===========================================================================
+#     http://www.gnu.org/software/autoconf-archive/ax_python_module.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_PYTHON_MODULE(modname[, fatal])
+#
+# DESCRIPTION
+#
+#   Checks for Python module.
+#
+#   If fatal is non-empty then absence of a module will trigger an error.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Andrew Collier
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved. This file is offered as-is, without any
+#   warranty.
+
+#serial 6
+
+AU_ALIAS([AC_PYTHON_MODULE], [AX_PYTHON_MODULE])
+AC_DEFUN([AX_PYTHON_MODULE],[
+    if test -z $PYTHON;
+    then
+        PYTHON="python"
+    fi
+    PYTHON_NAME=`basename $PYTHON`
+    AC_MSG_CHECKING($PYTHON_NAME module: $1)
+	$PYTHON -c "import $1" 2>/dev/null
+	if test $? -eq 0;
+	then
+		AC_MSG_RESULT(yes)
+		eval AS_TR_CPP(HAVE_PYMOD_$1)=yes
+	else
+		AC_MSG_RESULT(no)
+		eval AS_TR_CPP(HAVE_PYMOD_$1)=no
+		#
+		if test -n "$2"
+		then
+			AC_MSG_ERROR(failed to find required module $1)
+			exit 1
+		fi
+	fi
+])

m4/common.m4

@@ -0,0 +1,6 @@
+dnl This file should be included by spice-common user from
+dnl configure.ac to have all required checks in order to use spice-common
+m4_define(spice_common_dir,m4_bpatsubst(__file__,[/m4/common\.m4],[]))dnl
+dnl Automatically include m4 files in m4 directory
+AC_CONFIG_MACRO_DIRS(spice_common_dir[/m4])dnl
+SPICE_COMMON(spice_common_dir)

m4/spice-deps.m4

@@ -0,0 +1,368 @@
+# SPICE_WARNING(warning)
+# SPICE_PRINT_MESSAGES
+# ----------------------
+# Collect warnings and print them at the end so they are clearly visible.
+# ---------------------
+AC_DEFUN([SPICE_WARNING],[AS_VAR_APPEND([spice_warnings],["|$1"])])
+AC_DEFUN([SPICE_PRINT_MESSAGES],[
+    ac_save_IFS="$IFS"
+    IFS="|"
+    for msg in $spice_warnings; do
+        IFS="$ac_save_IFS"
+        AS_VAR_IF([msg],[],,[AC_MSG_WARN([$msg]); echo >&2])
+    done
+    IFS="$ac_save_IFS"
+])
+
+
+# SPICE_EXTRA_CHECKS()
+# --------------------
+# Check for --enable-extra-checks option
+# --------------------
+AC_DEFUN([SPICE_EXTRA_CHECKS],[
+AC_ARG_ENABLE([extra-checks],
+               AS_HELP_STRING([--enable-extra-checks=@<:@yes/no@:>@],
+                              [Enable expensive checks @<:@default=no@:>@]))
+AM_CONDITIONAL(ENABLE_EXTRA_CHECKS, test "x$enable_extra_checks" = "xyes")
+AM_COND_IF([ENABLE_EXTRA_CHECKS], AC_DEFINE([ENABLE_EXTRA_CHECKS], 1, [Enable extra checks on code]))
+])
+
+
+# SPICE_CHECK_SYSDEPS()
+# ---------------------
+# Checks for header files and library functions needed by spice-common.
+# ---------------------
+AC_DEFUN([SPICE_CHECK_SYSDEPS], [
+    AC_C_BIGENDIAN
+    AC_FUNC_ALLOCA
+    AC_CHECK_HEADERS([arpa/inet.h netinet/in.h stdlib.h sys/socket.h unistd.h])
+
+    # Checks for typedefs, structures, and compiler characteristics
+    AC_C_INLINE
+
+    # Checks for library functions
+    # do not check malloc or realloc, since that cannot be cross-compiled checked
+    AC_CHECK_FUNCS([floor])
+    AC_SEARCH_LIBS([hypot], [m], [], [
+        AC_MSG_ERROR([unable to find the hypot() function])
+    ])
+])
+
+
+# SPICE_CHECK_SMARTCARD
+# ---------------------
+# Adds a --enable-smartcard switch in order to enable/disable smartcard
+# support, and checks if the needed libraries are available. If found, it will
+# return the flags to use in the SMARTCARD_CFLAGS and SMARTCARD_LIBS variables, and
+# it will define a USE_SMARTCARD preprocessor symbol as well as a HAVE_SMARTCARD
+# Makefile conditional.
+#----------------------
+AC_DEFUN([SPICE_CHECK_SMARTCARD], [
+    AC_ARG_ENABLE([smartcard],
+      AS_HELP_STRING([--enable-smartcard=@<:@yes/no/auto@:>@],
+                     [Enable smartcard support @<:@default=auto@:>@]),
+      [],
+      [enable_smartcard="auto"])
+
+    have_smartcard=no
+    if test "x$enable_smartcard" != "xno"; then
+      PKG_CHECK_MODULES([SMARTCARD], [libcacard >= 2.5.1], [have_smartcard=yes], [have_smartcard=no])
+      if test "x$enable_smartcard" = "xyes" && test "x$have_smartcard" = "xno"; then
+        AC_MSG_ERROR([smarcard support explicitly requested, but some required packages are not available])
+      fi
+      if test "x$have_smartcard" = "xyes"; then
+        AC_DEFINE(USE_SMARTCARD, [1], [Define if supporting smartcard proxying])
+      fi
+    fi
+    AM_CONDITIONAL(HAVE_SMARTCARD, test "x$have_smartcard" = "xyes")
+])
+
+
+# SPICE_CHECK_OPUS
+# ----------------
+# Check for the availability of Opus. If found, it will return the flags to use
+# in the OPUS_CFLAGS and OPUS_LIBS variables, and it will define a
+# HAVE_OPUS preprocessor symbol as well as a HAVE_OPUS Makefile conditional.
+# ----------------
+AC_DEFUN([SPICE_CHECK_OPUS], [
+    AC_ARG_ENABLE([opus],
+        [  --disable-opus       Disable Opus audio codec (enabled by default)],,
+        [enable_opus="auto"])
+    if test "x$enable_opus" != "xno"; then
+        PKG_CHECK_MODULES([OPUS], [opus >= 0.9.14], [have_opus=yes], [have_opus=no])
+        if test "x$enable_opus" = "xauto" && test "x$have_opus" = "xno"; then
+            AC_MSG_ERROR([Opus could not be detected, explicitly use --disable-opus if that's intentional])
+        fi
+        if test "x$enable_opus" = "xyes" && test "x$have_opus" != "xyes"; then
+            AC_MSG_ERROR([--enable-opus has been specified, but Opus is missing])
+        fi
+    fi
+
+    AM_CONDITIONAL([HAVE_OPUS], [test "x$have_opus" = "xyes"])
+    AM_COND_IF([HAVE_OPUS], AC_DEFINE([HAVE_OPUS], [1], [Define if we have OPUS]))
+])
+
+
+# SPICE_CHECK_PIXMAN
+# ------------------
+# Check for the availability of pixman. If found, it will return the flags to
+# use in the PIXMAN_CFLAGS and PIXMAN_LIBS variables.
+#-------------------
+AC_DEFUN([SPICE_CHECK_PIXMAN], [
+    PKG_CHECK_MODULES(PIXMAN, pixman-1 >= 0.17.7)
+])
+
+
+# SPICE_CHECK_GLIB2
+# -----------------
+# Check for the availability of glib2. If found, it will return the flags to
+# use in the GLIB2_CFLAGS and GLIB2_LIBS variables.
+#------------------
+AC_DEFUN([SPICE_CHECK_GLIB2], [
+    PKG_CHECK_MODULES(GLIB2, glib-2.0 >= 2.38)
+    PKG_CHECK_MODULES(GIO2, gio-2.0 >= 2.38)
+    GLIB2_CFLAGS="$GLIB2_CFLAGS -DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_38 -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_38"
+])
+
+# SPICE_CHECK_GDK_PIXBUF
+# ----------------------
+# Check for the availability of gdk-pixbuf. If found, it will return the flags to use
+# in the GDK_PIXBUF_CFLAGS and GDK_PIXBUF_LIBS variables, and it will define a
+# HAVE_GDK_PIXBUF preprocessor symbol as well as a HAVE_GDK_PIXBUF Makefile conditional.
+# ----------------
+AC_DEFUN([SPICE_CHECK_GDK_PIXBUF], [
+    PKG_CHECK_MODULES([GDK_PIXBUF], [gdk-pixbuf-2.0 >= 2.26], [have_gdk_pixbuf=yes], [have_gdk_pixbuf=no])
+
+    AM_CONDITIONAL([HAVE_GDK_PIXBUF], [test "x$have_gdk_pixbuf" = "xyes"])
+    AM_COND_IF([HAVE_GDK_PIXBUF], AC_DEFINE([HAVE_GDK_PIXBUF], [1], [Define if gdk-pixbuf was found]))
+])
+
+# SPICE_CHECK_PYTHON_MODULES()
+# --------------------------
+# Adds a --enable-python-checks configure flags as well as checks for the
+# availability of the python modules needed by the python scripts generating
+# C code from spice.proto. These checks are not needed when building from
+# tarballs so they are disabled by default.
+#---------------------------
+AC_DEFUN([SPICE_CHECK_PYTHON_MODULES], [
+    AC_ARG_ENABLE([python-checks],
+        AS_HELP_STRING([--enable-python-checks=@<:@yes/no@:>@],
+                       [Enable checks for Python modules needed to build from git @<:@default=no@:>@]),
+                       [],
+                       [enable_python_checks="no"])
+    if test "x$enable_python_checks" != "xno"; then
+        AS_IF([test -n "$PYTHON"], # already set required PYTHON version
+              [AM_PATH_PYTHON
+               AX_PYTHON_MODULE([pyparsing], [1])],
+              [PYTHON=python3
+               AX_PYTHON_MODULE([pyparsing])
+               test "$HAVE_PYMOD_PYPARSING" = "yes"],
+              [AM_PATH_PYTHON([3])],
+              [AC_MSG_ERROR([Python module pyparsing is required])])
+    else
+        AM_PATH_PYTHON
+    fi
+])
+
+
+# SPICE_CHECK_LZ4
+# ---------------
+# Adds a --enable-lz4 switch in order to enable/disable LZ4 compression
+# support, and checks if the needed libraries are available. If found, it will
+# return the flags to use in the LZ4_CFLAGS and LZ4_LIBS variables, and
+# it will define a USE_LZ4 preprocessor symbol and a HAVE_LZ4 conditional.
+# ---------------
+AC_DEFUN([SPICE_CHECK_LZ4], [
+    AC_ARG_ENABLE([lz4],
+      AS_HELP_STRING([--enable-lz4=@<:@yes/no/auto@:>@],
+                     [Enable LZ4 compression support @<:@default=auto@:>@]),
+      [],
+      [enable_lz4="auto"])
+
+    have_lz4="no"
+    if test "x$enable_lz4" != "xno"; then
+      # LZ4_compress_default is available in liblz4 >= 129, however liblz has changed
+      # versioning scheme making the check failing. Rather check for function definition
+      PKG_CHECK_MODULES([LZ4], [liblz4], [have_lz4="yes"], [have_lz4="no"])
+
+      if test "x$have_lz4" = "xyes"; then
+        # It is necessary to set LIBS and CFLAGS before AC_CHECK_FUNC
+        old_LIBS="$LIBS"
+        old_CFLAGS="$CFLAGS"
+        CFLAGS="$CFLAGS $LZ4_CFLAGS"
+        LIBS="$LIBS $LZ4_LIBS"
+
+        AC_CHECK_FUNC([LZ4_compress_default], [
+            AC_DEFINE(USE_LZ4, [1], [Define to build with lz4 support])],
+            [have_lz4="no"])
+        AC_CHECK_FUNCS([LZ4_compress_fast_continue])
+
+        LIBS="$old_LIBS"
+        CFLAGS="$old_CFLAGS"
+      fi
+      if test "x$enable_lz4" = "xyes" && test "x$have_lz4" = "xno"; then
+        AC_MSG_ERROR([lz4 support requested but liblz4 >= 129 could not be found])
+      fi
+    fi
+    AM_CONDITIONAL(HAVE_LZ4, test "x$have_lz4" = "xyes")
+])
+
+
+# SPICE_CHECK_GSTREAMER(VAR, version, packages-to-check-for, [action-if-found, [action-if-not-found]])
+# ---------------------
+# Checks whether the specified GStreamer modules are present and sets the
+# corresponding autoconf variables and preprocessor definitions.
+# ---------------------
+AC_DEFUN([SPICE_CHECK_GSTREAMER], [
+    AS_VAR_PUSHDEF([have_gst],[have_]m4_tolower([$1]))dnl
+    AS_VAR_PUSHDEF([gst_inspect],[GST_INSPECT_$2])dnl
+    PKG_CHECK_MODULES([$1], [$3],
+        [have_gst="yes"
+         AC_SUBST(AS_TR_SH([[$1]_CFLAGS]))
+         AC_SUBST(AS_TR_SH([[$1]_LIBS]))
+         AS_VAR_APPEND([SPICE_REQUIRES], [" $3"])
+         AC_DEFINE(AS_TR_SH([HAVE_$1]), [1], [Define if supporting GStreamer $2])
+         AC_PATH_PROG(gst_inspect, gst-inspect-$2)
+         AS_IF([test "x$gst_inspect" = x],
+               SPICE_WARNING([Cannot verify that the required runtime GStreamer $2 elements are present because gst-inspect-$2 is missing]))
+         $4],
+        [have_gst="no"
+         $5])
+    AS_VAR_POPDEF([gst_inspect])dnl
+    AS_VAR_POPDEF([have_gst])dnl
+])
+
+# SPICE_CHECK_GSTREAMER_ELEMENTS(gst-inspect, package, elements-to-check-for)
+# ---------------------
+# Checks that the specified GStreamer elements are installed. If not it
+# issues a warning and sets missing_gstreamer_elements.
+# ---------------------
+AC_DEFUN([SPICE_CHECK_GSTREAMER_ELEMENTS], [
+AS_IF([test "x$1" != x],
+      [missing=""
+       for element in $3
+       do
+           AS_VAR_PUSHDEF([cache_var],[spice_cv_prog_${1}_${element}])dnl
+           AC_CACHE_CHECK([for the $element GStreamer element], cache_var,
+                          [found=no
+                           "$1" $element >/dev/null 2>/dev/null && found=yes
+                           eval "cache_var=$found"])
+           AS_VAR_COPY(res, cache_var)
+           AS_IF([test "x$res" = "xno"], [missing="$missing $element"])
+           AS_VAR_POPDEF([cache_var])dnl
+       done
+       AS_IF([test "x$missing" != x],
+             [SPICE_WARNING([The$missing GStreamer element(s) are missing. You should be able to find them in the $2 package.])
+              missing_gstreamer_elements="yes"],
+             [test "x$missing_gstreamer_elements" = x],
+             [missing_gstreamer_elements="no"])
+      ])
+])
+
+# SPICE_CHECK_SASL
+# ----------------
+# Adds a --with-sasl switch to allow using SASL for authentication.
+# Checks whether the required library is available. If it is present,
+# it will return the flags to use in SASL_CFLAGS and SASL_LIBS variables,
+# and it will define a have_sasl configure variable and a HAVE_SASL preprocessor
+# symbol.
+# ----------------
+AC_DEFUN([SPICE_CHECK_SASL], [
+    AC_ARG_WITH([sasl],
+      [AS_HELP_STRING([--with-sasl=@<:@yes/no/auto@:>@],
+                      [use cyrus SASL for authentication @<:@default=auto@:>@])],
+                      [],
+                      [with_sasl="auto"])
+
+    have_sasl=no
+    if test "x$with_sasl" != "xno"; then
+      PKG_CHECK_MODULES([SASL], [libsasl2], [have_sasl=yes],[have_sasl=no])
+      if test "x$have_sasl" = "xno" && test "x$with_sasl" = "xyes"; then
+        AC_MSG_ERROR([Cyrus SASL support requested but libsasl2 could not be found])
+      fi
+      if test "x$have_sasl" = "xyes"; then
+        AC_DEFINE([HAVE_SASL], 1, [whether Cyrus SASL is available for authentication])
+      fi
+    fi
+])
+
+# SPICE_CHECK_OPENSSL
+# -----------------
+# Check for the availability of openssl. If found, it will return the flags to
+# use in the OPENSSL_CFLAGS and OPENSSL_LIBS variables.
+#------------------
+AC_DEFUN([SPICE_CHECK_OPENSSL], [
+    PKG_CHECK_MODULES(OPENSSL, openssl)
+])
+
+# SPICE_CHECK_UDEV
+# -----------------
+# Check for the availability of libudev. If found, it will help to determine
+# if a given vendor GPU is available or not.
+#------------------
+AC_DEFUN([SPICE_CHECK_UDEV], [
+    PKG_CHECK_MODULES([UDEV], [libudev], [have_udev=yes],[have_udev=no])
+    if test "x$have_udev" = "xyes"; then
+      AC_DEFINE([HAVE_UDEV], 1, [whether libudev is available to identify GPU])
+    fi
+])
+
+# SPICE_CHECK_INSTRUMENTATION
+# -----------------
+# Check for the availability of an instrumentation library.
+#------------------
+AC_DEFUN([SPICE_CHECK_INSTRUMENTATION], [
+    AC_ARG_ENABLE([instrumentation],
+      AS_HELP_STRING([--enable-instrumentation=@<:@recorder/agent/no@:>@],
+                     [Enable instrumentation @<:@default=no@:>@]),
+      [],
+      enable_instrumentation="no")
+    AS_IF([test "$enable_instrumentation" = "recorder"],
+           AC_DEFINE([ENABLE_RECORDER], [1], [Define if the recorder instrumentation is enabled]))
+    AS_IF([test "$enable_instrumentation" = "agent"],
+           AC_DEFINE([ENABLE_AGENT_INTERFACE], [1], [Define if the agent-interface instrumentation is enabled]))
+    AM_CONDITIONAL([ENABLE_RECORDER],[test "$enable_instrumentation" = "recorder"])
+    AM_CONDITIONAL([ENABLE_AGENT_INTERFACE],[test "$enable_instrumentation" = "agent"])
+])
+
+# SPICE_COMMON
+# -----------------
+# Define variables in order to use spice-common
+# SPICE_COMMON_DIR        directory for output libraries
+# SPICE_COMMON_CFLAGS     CFLAGS to add to use the library
+#
+# SPICE_PROTOCOL_MIN_VER  input (m4) and output (autoconf) SPICE protocol version
+# SPICE_PROTOCOL_CFLAGS   CFLAGS for SPICE protocol, already automatically included
+#
+# GLIB2_MIN_VER           input (m4) and output (shell) GLib2 minimum version
+# GLIB2_MIN_VERSION       output (shell) variable like "GLIB_VERSION_1_2" from GLIB2_MIN_VER
+#------------------
+AC_DEFUN([SPICE_COMMON], [dnl
+dnl These add some flags and checks to component using spice-common
+dnl The flags are necessary in order to make included header working
+    AC_REQUIRE([SPICE_EXTRA_CHECKS])dnl
+    AC_REQUIRE([SPICE_CHECK_INSTRUMENTATION])dnl
+dnl Get the required spice protocol version
+    m4_define([SPICE_PROTOCOL_MIN_VER],m4_ifdef([SPICE_PROTOCOL_MIN_VER],SPICE_PROTOCOL_MIN_VER,[0.14.2]))dnl
+    m4_define([SPICE_PROTOCOL_MIN_VER],m4_if(m4_version_compare(SPICE_PROTOCOL_MIN_VER,[0.14.2]),[1],SPICE_PROTOCOL_MIN_VER,[0.14.2]))dnl
+    [SPICE_PROTOCOL_MIN_VER]=SPICE_PROTOCOL_MIN_VER
+    m4_undefine([SPICE_PROTOCOL_MIN_VER])dnl
+    PKG_CHECK_MODULES([SPICE_PROTOCOL], [spice-protocol >= $SPICE_PROTOCOL_MIN_VER])
+    AC_SUBST([SPICE_PROTOCOL_MIN_VER])dnl
+dnl Get the required GLib2 version
+    m4_define([GLIB2_MIN_VER],m4_ifdef([GLIB2_MIN_VER],GLIB2_MIN_VER,[2.38]))dnl
+    m4_define([GLIB2_MIN_VER],m4_if(m4_version_compare(GLIB2_MIN_VER,[2.38]),[1],GLIB2_MIN_VER,[2.38]))dnl
+    m4_define([GLIB2_MIN_VERSION],[GLIB_VERSION_]m4_translit(GLIB2_MIN_VER,[.],[_]))dnl
+    [GLIB2_MIN_VER]=GLIB2_MIN_VER
+    [GLIB2_MIN_VERSION]=GLIB2_MIN_VERSION
+    m4_undefine([GLIB2_MIN_VER])dnl
+    m4_undefine([GLIB2_MIN_VERSION])dnl
+    PKG_CHECK_MODULES([GLIB2], [glib-2.0 >= $GLIB2_MIN_VER gio-2.0 >= $GLIB2_MIN_VER])
+dnl Configuration variables
+    AC_CONFIG_SUBDIRS([$1])dnl
+    SPICE_COMMON_CFLAGS='-I${top_srcdir}/$1 -I${top_builddir}/$1 -DG_LOG_DOMAIN=\"Spice\" $(SPICE_PROTOCOL_CFLAGS) $(GLIB2_CFLAGS)'
+    AC_SUBST([SPICE_COMMON_CFLAGS])dnl
+
+    SPICE_COMMON_DIR='${top_builddir}/$1'
+    AC_SUBST([SPICE_COMMON_DIR])dnl
+])

m4/spice_manual.m4

@@ -0,0 +1,32 @@
+dnl SPICE_MANUAL
+dnl ------------
+dnl Check if user wants manuals to be compiled and
+dnl if all programs (asciidoc and a2x) are available
+dnl ------------
+dnl Shell defines:
+dnl - have_asciidoc yes or not is asciidoc program is available
+dnl Automake macros:
+dnl - A2X a2x program or empty
+dnl - ASCIIDOC asciidoc program or emtpy
+dnl - BUILD_MANUAL if asciidoc and a2x are available
+dnl - BUILD_HTML_MANUAL if asciidoc is available (html can be produced)
+dnl - BUILD_CHUNKED_MANUAL if a2x is available
+AC_DEFUN([SPICE_MANUAL],[
+    AC_ARG_ENABLE([manual],
+                   AS_HELP_STRING([--enable-manual=@<:@auto/yes/no@:>@],
+                                  [Build SPICE manual]),
+                   [],
+                   [enable_manual="auto"])
+    if test "x$enable_manual" != "xno"; then
+        AC_PATH_PROG([ASCIIDOC], [asciidoc])
+        AS_IF([test -z "$ASCIIDOC" && test "x$enable_manual" = "xyes"],
+              [AC_MSG_ERROR([asciidoc is missing and build of manual was requested])])
+        AC_PATH_PROG([A2X], [a2x])
+        AS_IF([test -z "$A2X" && test "x$enable_manual" = "xyes"],
+              [AC_MSG_ERROR([a2x is missing and build of manual was requested])])
+    fi
+    AS_IF([test -n "$ASCIIDOC"], [have_asciidoc=yes], [have_asciidoc=no])
+    AM_CONDITIONAL([BUILD_MANUAL], [test -n "$ASCIIDOC" || test -n "$A2X"])
+    AM_CONDITIONAL([BUILD_HTML_MANUAL], [test -n "$ASCIIDOC"])
+    AM_CONDITIONAL([BUILD_CHUNKED_MANUAL], [test -n "$A2X"])
+])

meson.build

@@ -0,0 +1,181 @@
+#
+# project definition
+#
+project('spice-common', 'c',
+        meson_version : '>= 0.49.0',
+        license : 'LGPLv2.1',
+        default_options : ['warning_level=2'])
+
+if not meson.is_subproject()
+  warning('This project is only intended to be used as a subproject!')
+endif
+
+# some global vars
+spice_common_global_cflags = ['-DG_LOG_DOMAIN="Spice"',
+                              '-Wno-unused-parameter']
+
+if get_option('alignment-checks')
+  spice_common_global_cflags += ['-DSPICE_DEBUG_ALIGNMENT']
+endif
+
+spice_common_deps = []
+spice_common_include = include_directories('.')
+
+spice_proto = files('spice.proto')
+spice_codegen = files('spice_codegen.py')
+spice_codegen_files = [spice_codegen]
+
+compiler = meson.get_compiler('c')
+spice_common_config_data = configuration_data()
+if get_option('extra-checks')
+  spice_common_config_data.set('ENABLE_EXTRA_CHECKS', '1')
+endif
+if host_machine.endian() == 'big'
+  spice_common_config_data.set('WORDS_BIGENDIAN', '1')
+endif
+
+if get_option('instrumentation') == 'recorder'
+  spice_common_config_data.set('ENABLE_RECORDER', '1')
+endif
+if get_option('instrumentation') == 'agent'
+  spice_common_config_data.set('ENABLE_AGENT_INTERFACE', '1')
+endif
+
+spice_common_generate_code = get_option('generate-code')
+spice_common_generate_client_code = spice_common_generate_code == 'all' or spice_common_generate_code == 'client'
+spice_common_generate_server_code = spice_common_generate_code == 'all' or spice_common_generate_code == 'server'
+
+#
+# check for system headers
+#
+headers = ['alloca.h',
+           'arpa/inet.h',
+           'dlfcn.h',
+           'inttypes.h',
+           'netinet/in.h',
+           'stdlib.h',
+           'sys/socket.h',
+           'sys/stat.h',
+           'sys/types.h',
+           'unistd.h',
+           'regex.h',
+           'sys/mman.h']
+
+foreach header : headers
+  if compiler.has_header(header)
+    spice_common_config_data.set('HAVE_@0@'.format(header.underscorify().to_upper()), '1')
+  endif
+endforeach
+
+#
+# check for system functions
+#
+functions = ['alloca',
+             'sigaction',
+             'drand48',
+             'setlinebuf']
+
+foreach func : functions
+  if compiler.has_function(func)
+    spice_common_config_data.set('HAVE_@0@'.format(func.underscorify().to_upper()), '1')
+  endif
+endforeach
+
+# FIXME
+# check for libm, as workaround for https://github.com/mesonbuild/meson/issues/3740
+libm = compiler.find_library('m', required : false)
+if libm.found()
+  spice_common_deps += libm
+endif
+
+#
+# check for mandatory dependencies
+#
+glib_version = '2.38'
+glib_version_info = '>= @0@'.format(glib_version)
+
+spice_protocol_version = '0.14.2'
+
+spice_protocol_version_req = get_option('spice-protocol-version')
+if spice_protocol_version_req.version_compare('> @0@'.format(spice_protocol_version))
+  spice_protocol_version = spice_protocol_version_req
+endif
+
+deps = {'spice-protocol' : '>= @0@'.format(spice_protocol_version),
+        'glib-2.0'       : glib_version_info,
+        'pixman-1'       : '>= 0.17.7',
+        'openssl'        : '>= 1.0.0'}
+
+foreach dep, version : deps
+  spice_common_deps += dependency(dep, version : version)
+endforeach
+
+gio2_deps = dependency('gio-2.0', version : glib_version_info)
+
+#
+# Non-mandatory/optional dependencies
+#
+optional_deps = {'opus' : '>= 0.9.14'}
+foreach dep, version : optional_deps
+  d = dependency(dep, required : get_option(dep), version : version)
+  if d.found()
+    spice_common_deps += d
+    spice_common_config_data.set('HAVE_@0@'.format(dep.underscorify().to_upper()), '1')
+  endif
+endforeach
+
+# Python
+if spice_common_generate_client_code or spice_common_generate_server_code
+  py_module = import('python')
+  python = py_module.find_installation('python3')
+
+  if get_option('python-checks')
+    foreach module : ['pyparsing']
+      message('Checking for python module @0@'.format(module))
+      cmd = run_command(python, '-c', 'import @0@'.format(module), check : false)
+      if cmd.returncode() != 0
+        error('Python module @0@ not found'.format(module))
+      endif
+    endforeach
+  endif
+endif
+
+# smartcard check
+smartcard_dep = dependency('libcacard', required : get_option('smartcard'), version : '>= 2.5.1')
+if smartcard_dep.found()
+  spice_common_deps += smartcard_dep
+  spice_common_config_data.set('USE_SMARTCARD', '1')
+endif
+
+# udev check
+udev_dep = dependency('libudev', required : false)
+if udev_dep.found()
+  spice_common_deps += udev_dep
+  spice_common_config_data.set('HAVE_UDEV', '1')
+endif
+
+#
+# global C defines
+#
+glib_encoded_version = 'GLIB_VERSION_@0@'.format(glib_version.underscorify())
+spice_common_global_cflags += ['-DGLIB_VERSION_MIN_REQUIRED=@0@'.format(glib_encoded_version),
+                               '-DGLIB_VERSION_MAX_ALLOWED=@0@'.format(glib_encoded_version)]
+
+add_project_arguments(compiler.get_supported_arguments(spice_common_global_cflags),
+                      language : 'c')
+
+#
+# Subdirectories
+#
+subdir('python_modules')
+subdir('common')
+if get_option('tests')
+  subdir('tests')
+endif
+subdir('docs')
+
+#
+# write config.h
+#
+configure_file(output : 'config.h',
+               configuration : spice_common_config_data)

meson_options.txt

@@ -0,0 +1,54 @@
+option('alignment-checks',
+    type : 'boolean',
+    value : false,
+    yield : true,
+    description : 'Enable runtime checks for cast alignment')
+
+option('extra-checks',
+    type : 'boolean',
+    value : false,
+    yield : true,
+    description : 'Enable extra checks on code')
+
+option('opus',
+    type : 'feature',
+    yield : true,
+    description: 'Enable Opus audio codec')
+
+option('instrumentation',
+    type : 'combo',
+    value : 'no',
+    choices : ['recorder', 'agent', 'no'],
+    description: 'Enable instrumentation')
+
+option('smartcard',
+    type : 'feature',
+    yield : true,
+    description : 'Enable smartcard support')
+
+option('python-checks',
+    type : 'boolean',
+    value : true,
+    description : 'Enable checks for Python modules needed to build from git')
+
+option('manual',
+    type : 'boolean',
+    value : true,
+    yield : true,
+    description : 'Build SPICE manual')
+
+option('generate-code',
+    type : 'combo',
+    choices : ['all', 'server', 'client', 'none'],
+    description : 'Which code should be built')
+
+option('tests',
+    type : 'boolean',
+    value : true,
+    yield : true,
+    description : 'Enable SPICE tests')
+
+option('spice-protocol-version',
+    type : 'string',
+    value : '0.1', # not existing low number version
+    description : 'Minimal requested SPICE protocol version')

messages.h

@@ -1,525 +0,0 @@
-/*
-   Copyright (C) 2009-2010 Red Hat, Inc.
-
-   Redistribution and use in source and binary forms, with or without
-   modification, are permitted provided that the following conditions are
-   met:
-
-       * Redistributions of source code must retain the above copyright
-         notice, this list of conditions and the following disclaimer.
-       * Redistributions in binary form must reproduce the above copyright
-         notice, this list of conditions and the following disclaimer in
-         the documentation and/or other materials provided with the
-         distribution.
-       * Neither the name of the copyright holder nor the names of its
-         contributors may be used to endorse or promote products derived
-         from this software without specific prior written permission.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
-   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-   PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-   HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#ifndef _H_MESSAGES
-#define _H_MESSAGES
-
-#include <spice/protocol.h>
-#include "draw.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct SpiceMsgData {
-    uint32_t data_size;
-    uint8_t data[0];
-} SpiceMsgData;
-
-typedef struct SpiceMsgEmpty {
-} SpiceMsgEmpty;
-
-typedef struct SpiceMsgInputsInit {
-    uint32_t keyboard_modifiers;
-} SpiceMsgInputsInit;
-
-typedef struct SpiceMsgInputsKeyModifiers {
-    uint32_t modifiers;
-} SpiceMsgInputsKeyModifiers;
-
-typedef struct SpiceMsgMainMultiMediaTime {
-    uint32_t time;
-} SpiceMsgMainMultiMediaTime;
-
-typedef struct SpiceMsgMainMigrationBegin {
-    uint16_t port;
-    uint16_t sport;
-    uint32_t host_size;
-    uint8_t *host_data;
-    uint16_t pub_key_type;
-    uint32_t pub_key_size;
-    uint8_t *pub_key_data;
-    uint32_t cert_subject_size;
-    uint8_t *cert_subject_data;
-} SpiceMsgMainMigrationBegin;
-
-typedef struct SpiceMsgMainMigrationSwitchHost {
-    uint16_t port;
-    uint16_t sport;
-    uint32_t host_size;
-    uint8_t *host_data;
-    uint32_t cert_subject_size;
-    uint8_t *cert_subject_data;
-} SpiceMsgMainMigrationSwitchHost;
-
-
-typedef struct SpiceMsgMigrate {
-    uint32_t flags;
-} SpiceMsgMigrate;
-
-typedef struct SpiceResourceID {
-    uint8_t type;
-    uint64_t id;
-} SpiceResourceID;
-
-typedef struct SpiceResourceList {
-    uint16_t count;
-    SpiceResourceID resources[0];
-} SpiceResourceList;
-
-typedef struct SpiceMsgSetAck {
-    uint32_t generation;
-    uint32_t window;
-} SpiceMsgSetAck;
-
-typedef struct SpiceMsgcAckSync {
-  uint32_t generation;
-} SpiceMsgcAckSync;
-
-typedef struct SpiceWaitForChannel {
-    uint8_t channel_type;
-    uint8_t channel_id;
-    uint64_t message_serial;
-} SpiceWaitForChannel;
-
-typedef struct SpiceMsgWaitForChannels {
-    uint8_t wait_count;
-    SpiceWaitForChannel wait_list[0];
-} SpiceMsgWaitForChannels;
-
-typedef struct SpiceChannelId {
-    uint8_t type;
-    uint8_t id;
-} SpiceChannelId;
-
-typedef struct SpiceMsgMainInit {
-    uint32_t session_id;
-    uint32_t display_channels_hint;
-    uint32_t supported_mouse_modes;
-    uint32_t current_mouse_mode;
-    uint32_t agent_connected;
-    uint32_t agent_tokens;
-    uint32_t multi_media_time;
-    uint32_t ram_hint;
-} SpiceMsgMainInit;
-
-typedef struct SpiceMsgDisconnect {
-    uint64_t time_stamp;
-    uint32_t reason; // SPICE_ERR_?
-} SpiceMsgDisconnect;
-
-typedef struct SpiceMsgNotify {
-    uint64_t time_stamp;
-    uint32_t severity;
-    uint32_t visibilty;
-    uint32_t what;
-    uint32_t message_len;
-    uint8_t message[0];
-} SpiceMsgNotify;
-
-typedef struct SpiceMsgChannels {
-    uint32_t num_of_channels;
-    SpiceChannelId channels[0];
-} SpiceMsgChannels;
-
-typedef struct SpiceMsgMainName {
-    uint32_t name_len;
-    uint8_t name[0];
-} SpiceMsgMainName;
-
-typedef struct SpiceMsgMainUuid {
-    uint8_t uuid[16];
-} SpiceMsgMainUuid;
-
-typedef struct SpiceMsgMainMouseMode {
-    uint32_t supported_modes;
-    uint32_t current_mode;
-} SpiceMsgMainMouseMode;
-
-typedef struct SpiceMsgPing {
-    uint32_t id;
-    uint64_t timestamp;
-    void *data;
-    uint32_t data_len;
-} SpiceMsgPing;
-
-typedef struct SpiceMsgMainAgentDisconnect {
-    uint32_t error_code; // SPICE_ERR_?
-} SpiceMsgMainAgentDisconnect;
-
-#define SPICE_AGENT_MAX_DATA_SIZE 2048
-
-typedef struct SpiceMsgMainAgentTokens {
-    uint32_t num_tokens;
-} SpiceMsgMainAgentTokens, SpiceMsgcMainAgentTokens, SpiceMsgcMainAgentStart;
-
-typedef struct SpiceMsgcClientInfo {
-    uint64_t cache_size;
-} SpiceMsgcClientInfo;
-
-typedef struct SpiceMsgcMainMouseModeRequest {
-    uint32_t mode;
-} SpiceMsgcMainMouseModeRequest;
-
-typedef struct SpiceCursor {
-    uint32_t flags;
-    SpiceCursorHeader header;
-    uint32_t data_size;
-    uint8_t *data;
-} SpiceCursor;
-
-typedef struct SpiceMsgDisplayMode {
-    uint32_t x_res;
-    uint32_t y_res;
-    uint32_t bits;
-} SpiceMsgDisplayMode;
-
-typedef struct SpiceMsgSurfaceCreate {
-    uint32_t surface_id;
-    uint32_t width;
-    uint32_t height;
-    uint32_t format;
-    uint32_t flags;
-} SpiceMsgSurfaceCreate;
-
-typedef struct SpiceMsgSurfaceDestroy {
-    uint32_t surface_id;
-} SpiceMsgSurfaceDestroy;
-
-typedef struct SpiceMsgDisplayBase {
-    uint32_t surface_id;
-    SpiceRect box;
-    SpiceClip clip;
-} SpiceMsgDisplayBase;
-
-typedef struct SpiceMsgDisplayDrawFill {
-    SpiceMsgDisplayBase base;
-    SpiceFill data;
-} SpiceMsgDisplayDrawFill;
-
-typedef struct SpiceMsgDisplayDrawOpaque {
-    SpiceMsgDisplayBase base;
-    SpiceOpaque data;
-} SpiceMsgDisplayDrawOpaque;
-
-typedef struct SpiceMsgDisplayDrawCopy {
-    SpiceMsgDisplayBase base;
-    SpiceCopy data;
-} SpiceMsgDisplayDrawCopy;
-
-typedef struct SpiceMsgDisplayDrawTransparent {
-    SpiceMsgDisplayBase base;
-    SpiceTransparent data;
-} SpiceMsgDisplayDrawTransparent;
-
-typedef struct SpiceMsgDisplayDrawAlphaBlend {
-    SpiceMsgDisplayBase base;
-    SpiceAlphaBlend data;
-} SpiceMsgDisplayDrawAlphaBlend;
-
-typedef struct SpiceMsgDisplayCopyBits {
-    SpiceMsgDisplayBase base;
-    SpicePoint src_pos;
-} SpiceMsgDisplayCopyBits;
-
-typedef SpiceMsgDisplayDrawCopy SpiceMsgDisplayDrawBlend;
-
-typedef struct SpiceMsgDisplayDrawRop3 {
-    SpiceMsgDisplayBase base;
-    SpiceRop3 data;
-} SpiceMsgDisplayDrawRop3;
-
-typedef struct SpiceMsgDisplayDrawBlackness {
-    SpiceMsgDisplayBase base;
-    SpiceBlackness data;
-} SpiceMsgDisplayDrawBlackness;
-
-typedef struct SpiceMsgDisplayDrawWhiteness {
-    SpiceMsgDisplayBase base;
-    SpiceWhiteness data;
-} SpiceMsgDisplayDrawWhiteness;
-
-typedef struct SpiceMsgDisplayDrawInvers {
-    SpiceMsgDisplayBase base;
-    SpiceInvers data;
-} SpiceMsgDisplayDrawInvers;
-
-typedef struct SpiceMsgDisplayDrawStroke {
-    SpiceMsgDisplayBase base;
-    SpiceStroke data;
-} SpiceMsgDisplayDrawStroke;
-
-typedef struct SpiceMsgDisplayDrawText {
-    SpiceMsgDisplayBase base;
-    SpiceText data;
-} SpiceMsgDisplayDrawText;
-
-typedef struct SpiceMsgDisplayInvalOne {
-    uint64_t id;
-} SpiceMsgDisplayInvalOne;
-
-typedef struct SpiceMsgDisplayStreamCreate {
-    uint32_t surface_id;
-    uint32_t id;
-    uint32_t flags;
-    uint32_t codec_type;
-    uint64_t stamp;
-    uint32_t stream_width;
-    uint32_t stream_height;
-    uint32_t src_width;
-    uint32_t src_height;
-    SpiceRect dest;
-    SpiceClip clip;
-} SpiceMsgDisplayStreamCreate;
-
-typedef struct SpiceMsgDisplayStreamData {
-    uint32_t id;
-    uint32_t multi_media_time;
-    uint32_t data_size;
-    uint8_t data[0];
-} SpiceMsgDisplayStreamData;
-
-typedef struct SpiceMsgDisplayStreamClip {
-    uint32_t id;
-    SpiceClip clip;
-} SpiceMsgDisplayStreamClip;
-
-typedef struct SpiceMsgDisplayStreamDestroy {
-    uint32_t id;
-} SpiceMsgDisplayStreamDestroy;
-
-typedef struct SpiceMsgCursorInit {
-    SpicePoint16 position;
-    uint16_t trail_length;
-    uint16_t trail_frequency;
-    uint8_t visible;
-    SpiceCursor cursor;
-} SpiceMsgCursorInit;
-
-typedef struct SpiceMsgCursorSet {
-    SpicePoint16 position;
-    uint8_t visible;
-    SpiceCursor cursor;
-} SpiceMsgCursorSet;
-
-typedef struct SpiceMsgCursorMove {
-    SpicePoint16 position;
-} SpiceMsgCursorMove;
-
-typedef struct SpiceMsgCursorTrail {
-    uint16_t length;
-    uint16_t frequency;
-} SpiceMsgCursorTrail;
-
-typedef struct SpiceMsgcDisplayInit {
-    uint8_t pixmap_cache_id;
-    int64_t pixmap_cache_size; //in pixels
-    uint8_t glz_dictionary_id;
-    int32_t glz_dictionary_window_size;       // in pixels
-} SpiceMsgcDisplayInit;
-
-typedef struct SpiceMsgcKeyDown {
-    uint32_t code;
-} SpiceMsgcKeyDown;
-
-typedef struct SpiceMsgcKeyUp {
-    uint32_t code;
-} SpiceMsgcKeyUp;
-
-typedef struct SpiceMsgcKeyModifiers {
-    uint32_t modifiers;
-} SpiceMsgcKeyModifiers;
-
-typedef struct SpiceMsgcMouseMotion {
-    int32_t dx;
-    int32_t dy;
-    uint32_t buttons_state;
-} SpiceMsgcMouseMotion;
-
-typedef struct SpiceMsgcMousePosition {
-    uint32_t x;
-    uint32_t y;
-    uint32_t buttons_state;
-    uint8_t display_id;
-} SpiceMsgcMousePosition;
-
-typedef struct SpiceMsgcMousePress {
-    int32_t button;
-    int32_t buttons_state;
-} SpiceMsgcMousePress;
-
-typedef struct SpiceMsgcMouseRelease {
-    int32_t button;
-    int32_t buttons_state;
-} SpiceMsgcMouseRelease;
-
-typedef struct SpiceMsgAudioVolume {
-    uint8_t nchannels;
-    uint16_t volume[0];
-} SpiceMsgAudioVolume;
-
-typedef struct SpiceMsgAudioMute {
-    uint8_t mute;
-} SpiceMsgAudioMute;
-
-typedef struct SpiceMsgPlaybackMode {
-    uint32_t time;
-    uint32_t mode; //SPICE_AUDIO_DATA_MODE_?
-    uint8_t *data;
-    uint32_t data_size;
-} SpiceMsgPlaybackMode, SpiceMsgcRecordMode;
-
-typedef struct SpiceMsgPlaybackStart {
-    uint32_t channels;
-    uint32_t format; //SPICE_AUDIO_FMT_?
-    uint32_t frequency;
-    uint32_t time;
-} SpiceMsgPlaybackStart;
-
-typedef struct SpiceMsgPlaybackPacket {
-    uint32_t time;
-    uint8_t *data;
-    uint32_t data_size;
-} SpiceMsgPlaybackPacket, SpiceMsgcRecordPacket;
-
-typedef struct SpiceMsgRecordStart {
-    uint32_t channels;
-    uint32_t format; //SPICE_AUDIO_FMT_?
-    uint32_t frequency;
-} SpiceMsgRecordStart;
-
-typedef struct SpiceMsgcRecordStartMark {
-    uint32_t time;
-} SpiceMsgcRecordStartMark;
-
-typedef struct SpiceMsgTunnelInit {
-    uint16_t max_num_of_sockets;
-    uint32_t max_socket_data_size;
-} SpiceMsgTunnelInit;
-
-typedef uint8_t SpiceTunnelIPv4[4];
-
-typedef struct SpiceMsgTunnelIpInfo {
-    uint16_t type;
-    union {
-      SpiceTunnelIPv4 ipv4;
-    } u;
-    uint8_t data[0];
-} SpiceMsgTunnelIpInfo;
-
-typedef struct SpiceMsgTunnelServiceIpMap {
-    uint32_t service_id;
-    SpiceMsgTunnelIpInfo virtual_ip;
-} SpiceMsgTunnelServiceIpMap;
-
-typedef struct SpiceMsgTunnelSocketOpen {
-    uint16_t connection_id;
-    uint32_t service_id;
-    uint32_t tokens;
-} SpiceMsgTunnelSocketOpen;
-
-/* connection id must be the first field in msgs directed to a specific connection */
-
-typedef struct SpiceMsgTunnelSocketFin {
-    uint16_t connection_id;
-} SpiceMsgTunnelSocketFin;
-
-typedef struct SpiceMsgTunnelSocketClose {
-    uint16_t connection_id;
-} SpiceMsgTunnelSocketClose;
-
-typedef struct SpiceMsgTunnelSocketData {
-    uint16_t connection_id;
-    uint8_t data[0];
-} SpiceMsgTunnelSocketData;
-
-typedef struct SpiceMsgTunnelSocketTokens {
-    uint16_t connection_id;
-    uint32_t num_tokens;
-} SpiceMsgTunnelSocketTokens;
-
-typedef struct SpiceMsgTunnelSocketClosedAck {
-    uint16_t connection_id;
-} SpiceMsgTunnelSocketClosedAck;
-
-typedef struct SpiceMsgcTunnelAddGenericService {
-    uint32_t type;
-    uint32_t id;
-    uint32_t group;
-    uint32_t port;
-    uint64_t name;
-    uint64_t description;
-    union {
-        SpiceMsgTunnelIpInfo ip;
-    } u;
-} SpiceMsgcTunnelAddGenericService;
-
-typedef struct SpiceMsgcTunnelRemoveService {
-    uint32_t id;
-} SpiceMsgcTunnelRemoveService;
-
-/* connection id must be the first field in msgs directed to a specific connection */
-
-typedef struct SpiceMsgcTunnelSocketOpenAck {
-    uint16_t connection_id;
-    uint32_t tokens;
-} SpiceMsgcTunnelSocketOpenAck;
-
-typedef struct SpiceMsgcTunnelSocketOpenNack {
-    uint16_t connection_id;
-} SpiceMsgcTunnelSocketOpenNack;
-
-typedef struct SpiceMsgcTunnelSocketData {
-    uint16_t connection_id;
-    uint8_t data[0];
-} SpiceMsgcTunnelSocketData;
-
-typedef struct SpiceMsgcTunnelSocketFin {
-    uint16_t connection_id;
-} SpiceMsgcTunnelSocketFin;
-
-typedef struct SpiceMsgcTunnelSocketClosed {
-    uint16_t connection_id;
-} SpiceMsgcTunnelSocketClosed;
-
-typedef struct SpiceMsgcTunnelSocketClosedAck {
-    uint16_t connection_id;
-} SpiceMsgcTunnelSocketClosedAck;
-
-typedef struct SpiceMsgcTunnelSocketTokens {
-    uint16_t connection_id;
-    uint32_t num_tokens;
-} SpiceMsgcTunnelSocketTokens;
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _H_SPICE_PROTOCOL */

mutex.h

@@ -1,44 +0,0 @@
-/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/*
-   Copyright (C) 2009 Red Hat, Inc.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef _H_MUTEX
-#define _H_MUTEX
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifdef _WIN32
-#include <windows.h>
-typedef CRITICAL_SECTION mutex_t;
-#define MUTEX_INIT(mutex) InitializeCriticalSection(&mutex)
-#define MUTEX_LOCK(mutex) EnterCriticalSection(&mutex)
-#define MUTEX_UNLOCK(mutex) LeaveCriticalSection(&mutex)
-#else
-#include <pthread.h>
-typedef pthread_mutex_t mutex_t;
-#define MUTEX_INIT(mutex) pthread_mutex_init(&mutex, NULL);
-#define MUTEX_LOCK(mutex) pthread_mutex_lock(&mutex)
-#define MUTEX_UNLOCK(mutex) pthread_mutex_unlock(&mutex)
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // _H_MUTEX

ogl_ctx.c

@@ -1,251 +0,0 @@
-/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/*
-   Copyright (C) 2009 Red Hat, Inc.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <X11/Xlib.h>
-#include <GL/glx.h>
-
-#include "ogl_ctx.h"
-#include "spice_common.h"
-
-enum {
-    OGLCTX_TYPE_PBUF,
-    OGLCTX_TYPE_PIXMAP,
-};
-
-struct OGLCtx {
-    int type;
-    Display *x_display;
-    GLXContext glx_context;
-    GLXDrawable drawable;
-};
-
-typedef struct OGLPixmapCtx {
-    OGLCtx base;
-    Pixmap pixmap;
-} OGLPixmapCtx;
-
-
-
-const char *oglctx_type_str(OGLCtx *ctx)
-{
-    static const char *pbuf_str = "pbuf";
-    static const char *pixmap_str = "pixmap";
-    static const char *invalid_str = "invalid";
-
-    switch (ctx->type) {
-    case OGLCTX_TYPE_PBUF:
-        return pbuf_str;
-    case OGLCTX_TYPE_PIXMAP:
-        return pixmap_str;
-    default:
-        return invalid_str;
-    }
-}
-
-void oglctx_make_current(OGLCtx *ctx)
-{
-    if (!glXMakeCurrent(ctx->x_display, ctx->drawable, ctx->glx_context)) {
-        printf("%s: failed\n", __FUNCTION__);
-    }
-}
-
-OGLCtx *pbuf_create(int width, int heigth)
-{
-    OGLCtx *ctx;
-    Display *x_display;
-    int num_configs;
-    GLXFBConfig *fb_config;
-    GLXPbuffer glx_pbuf;
-    GLXContext glx_context;
-
-    const int glx_attributes[] = {  GLX_RENDER_TYPE, GLX_RGBA_BIT,
-                                    GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT,
-                                    GLX_RED_SIZE, 8,
-                                    GLX_GREEN_SIZE, 8,
-                                    GLX_BLUE_SIZE, 8,
-                                    GLX_ALPHA_SIZE, 8,
-                                    GLX_STENCIL_SIZE, 4,
-                                    0 };
-
-    int pbuf_attrib[] = { GLX_PRESERVED_CONTENTS, True,
-                          GLX_PBUFFER_WIDTH, width,
-                          GLX_PBUFFER_HEIGHT, heigth,
-                          GLX_LARGEST_PBUFFER, False,
-                          0, 0 };
-
-    if (!(ctx = calloc(1, sizeof(*ctx)))) {
-        printf("%s: alloc pbuf failed\n", __FUNCTION__);
-        return NULL;
-    }
-
-    if (!(x_display = XOpenDisplay(NULL))) {
-        printf("%s: open display failed\n", __FUNCTION__);
-        goto error_1;
-    }
-
-    if (!(fb_config = glXChooseFBConfig(x_display, 0, glx_attributes, &num_configs)) ||
-                                                                            !num_configs) {
-        printf("%s: choose fb config failed\n", __FUNCTION__);
-        goto error_2;
-    }
-
-    if (!(glx_pbuf = glXCreatePbuffer(x_display, fb_config[0], pbuf_attrib))) {
-        goto error_3;
-    }
-
-    if (!(glx_context = glXCreateNewContext(x_display, fb_config[0], GLX_RGBA_TYPE, NULL, True))) {
-        printf("%s: create context failed\n", __FUNCTION__);
-        goto error_4;
-    }
-
-    XFree(fb_config);
-
-    ctx->type = OGLCTX_TYPE_PBUF;
-    ctx->drawable = glx_pbuf;
-    ctx->glx_context = glx_context;
-    ctx->x_display = x_display;
-
-    return ctx;
-
-error_4:
-    glXDestroyPbuffer(x_display, glx_pbuf);
-
-error_3:
-    XFree(fb_config);
-
-error_2:
-    XCloseDisplay(x_display);
-
-error_1:
-    free(ctx);
-
-    return NULL;
-}
-
-OGLCtx *pixmap_create(int width, int heigth)
-{
-    Display *x_display;
-    int num_configs;
-    GLXFBConfig *fb_config;
-    GLXPixmap glx_pixmap;
-    GLXContext glx_context;
-    Pixmap pixmap;
-    int screen;
-    Window root_window;
-    OGLPixmapCtx *pix;
-
-    const int glx_attributes[] = {  GLX_RENDER_TYPE, GLX_RGBA_BIT,
-                                    GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT,
-                                    GLX_RED_SIZE, 8,
-                                    GLX_GREEN_SIZE, 8,
-                                    GLX_BLUE_SIZE, 8,
-                                    GLX_ALPHA_SIZE, 8,
-                                    GLX_STENCIL_SIZE, 4,
-                                    0 };
-
-    if (!(pix = calloc(1, sizeof(*pix)))) {
-        printf("%s: alloc pix failed\n", __FUNCTION__);
-        return NULL;
-    }
-
-    if (!(x_display = XOpenDisplay(NULL))) {
-        printf("%s: open display failed\n", __FUNCTION__);
-        goto error_1;
-    }
-
-    screen = DefaultScreen(x_display);
-    root_window = RootWindow(x_display, screen);
-
-    if (!(fb_config = glXChooseFBConfig(x_display, 0, glx_attributes, &num_configs)) ||
-                                                                              !num_configs) {
-        printf("%s: choose fb config failed\n", __FUNCTION__);
-        goto error_2;
-    }
-
-    if (!(pixmap = XCreatePixmap(x_display, root_window, width, heigth, 32 /*use fb config*/))) {
-        printf("%s: create x pixmap failed\n", __FUNCTION__);
-        goto error_3;
-    }
-
-    if (!(glx_pixmap = glXCreatePixmap(x_display, fb_config[0], pixmap, NULL))) {
-        printf("%s: create glx pixmap failed\n", __FUNCTION__);
-        goto error_4;
-    }
-
-
-    if (!(glx_context = glXCreateNewContext(x_display, fb_config[0], GLX_RGBA_TYPE, NULL, True))) {
-        printf("%s: create context failed\n", __FUNCTION__);
-        goto error_5;
-    }
-
-    XFree(fb_config);
-
-    pix->base.type = OGLCTX_TYPE_PIXMAP;
-    pix->base.x_display = x_display;
-    pix->base.drawable = glx_pixmap;
-    pix->base.glx_context = glx_context;
-    pix->pixmap = pixmap;
-
-    return &pix->base;
-
-error_5:
-    glXDestroyPixmap(x_display, glx_pixmap);
-
-error_4:
-    XFreePixmap(x_display, pixmap);
-
-error_3:
-    XFree(fb_config);
-
-error_2:
-    XCloseDisplay(x_display);
-
-error_1:
-    free(pix);
-
-    return NULL;
-}
-
-void oglctx_destroy(OGLCtx *ctx)
-{
-    if (!ctx) {
-        return;
-    }
-    // test is current ?
-
-    glXDestroyContext(ctx->x_display, ctx->glx_context);
-    switch (ctx->type) {
-    case OGLCTX_TYPE_PBUF:
-        glXDestroyPbuffer(ctx->x_display, ctx->drawable);
-        break;
-    case OGLCTX_TYPE_PIXMAP:
-        glXDestroyPixmap(ctx->x_display, ctx->drawable);
-        XFreePixmap(ctx->x_display, ((OGLPixmapCtx *)ctx)->pixmap);
-        break;
-    default:
-        PANIC("invalid ogl ctx type");
-    }
-
-    XCloseDisplay(ctx->x_display);
-    free(ctx);
-}

python_modules/Makefile.am

@@ -0,0 +1,16 @@
+NULL =
+
+PYTHON_MODULES =				\
+	__init__.py				\
+	codegen.py				\
+	demarshal.py				\
+	marshal.py				\
+	ptypes.py				\
+	spice_parser.py				\
+	$(NULL)
+
+EXTRA_DIST = meson.build $(PYTHON_MODULES)
+
+DISTCLEANFILES = *.pyc __pycache__/*.pyc
+
+-include $(top_srcdir)/git.mk

python_modules/codegen.py

@@ -0,0 +1,376 @@
+
+from io import StringIO
+
+def camel_to_underscores(s, upper = False):
+    res = ""
+    for i in range(len(s)):
+        c = s[i]
+        if i > 0 and c.isupper():
+            res = res + "_"
+        if upper:
+            res = res + c.upper()
+        else:
+            res = res + c.lower()
+    return res
+
+def underscores_to_camel(s):
+    res = ""
+    do_upper = True
+    for i in range(len(s)):
+        c = s[i]
+        if c == "_":
+            do_upper = True
+        else:
+            if do_upper:
+                res = res + c.upper()
+            else:
+                res = res + c
+            do_upper = False
+    return res
+
+proto_prefix = "Temp"
+
+def set_prefix(prefix):
+    global proto_prefix
+    global proto_prefix_upper
+    global proto_prefix_lower
+    proto_prefix = prefix
+    proto_prefix_upper = prefix.upper()
+    proto_prefix_lower = prefix.lower()
+
+def prefix_underscore_upper(*args):
+    s = proto_prefix_upper
+    for arg in args:
+        s = s + "_" + arg
+    return s
+
+def prefix_underscore_lower(*args):
+    s = proto_prefix_lower
+    for arg in args:
+        s = s + "_" + arg
+    return s
+
+def prefix_camel(*args):
+    s = proto_prefix
+    for arg in args:
+        s = s + underscores_to_camel(arg)
+    return s
+
+def increment_identifier(idf):
+    v = idf[-1:]
+    if v.isdigit():
+        return idf[:-1] + str(int(v) + 1)
+    return idf + "2"
+
+def sum_array(array):
+    if len(array) == 0:
+        return 0
+    return " + ".join(array)
+
+class CodeWriter:
+    def __init__(self):
+        self.out = StringIO()
+        self.contents = [self.out]
+        self.indentation = 0
+        self.at_line_start = True
+        self.indexes = ["i", "j", "k", "ii", "jj", "kk"]
+        self.current_index = 0
+        self.generated = {}
+        self.vars = []
+        self.has_error_check = False
+        self.options = {}
+        self.function_helper_writer = None
+        self.index_type = 'uint32_t'
+
+    def set_option(self, opt, value = True):
+        self.options[opt] = value
+
+    def has_option(self, opt):
+        return opt in self.options
+
+    def set_is_generated(self, kind, name):
+        if kind not in self.generated:
+            v = {}
+            self.generated[kind] = v
+        else:
+            v = self.generated[kind]
+        v[name] = 1
+
+    def is_generated(self, kind, name):
+        if kind not in self.generated:
+            return False
+        v = self.generated[kind]
+        return name in v
+
+    def getvalue(self):
+        strs = [writer.getvalue() for writer in self.contents]
+        return "".join(strs)
+
+    def get_subwriter(self):
+        writer = CodeWriter()
+        self.contents.append(writer)
+        self.out = StringIO()
+        self.contents.append(self.out)
+        writer.indentation = self.indentation
+        writer.at_line_start = self.at_line_start
+        writer.index_type = self.index_type
+        writer.generated = self.generated
+        writer.options = self.options
+        writer.public_suffix = self.public_suffix
+
+        return writer
+
+    def write(self, s):
+        # Ensure its a unicode string
+        s = str(s)
+
+        if len(s) == 0:
+            return
+
+        if self.at_line_start:
+            self.out.write(" " * self.indentation)
+            self.at_line_start = False
+        self.out.write(s)
+        return self
+
+    def newline(self):
+        self.out.write("\n")
+        self.at_line_start = True
+        return self
+
+    def writeln(self, s):
+        self.write(s)
+        self.newline()
+        return self
+
+    def label(self, s):
+        self.indentation = self.indentation - 1
+        self.write(s + ":")
+        self.indentation = self.indentation + 1
+        self.newline()
+
+    def statement(self, s):
+        self.write(s)
+        self.write(";")
+        self.newline()
+        return self
+
+    def assign(self, var, val):
+        self.write("%s = %s" % (var, val))
+        self.write(";")
+        self.newline()
+        return self
+
+    def increment(self, var, val):
+        self.write("%s += %s" % (var, val))
+        self.write(";")
+        self.newline()
+        return self
+
+    def comment(self, str):
+        self.write("/* " + str + " */")
+        return self
+
+    def todo(self, str):
+        self.comment("TODO: *** %s ***" % str).newline()
+        return self
+
+    def error_check(self, check, label = "error"):
+        self.has_error_check = True
+        with self.block("if (SPICE_UNLIKELY(%s))" % check):
+            if self.has_option("print_error"):
+                self.statement('printf("%%s: Caught error - %s", __PRETTY_FUNCTION__)' % check)
+            if self.has_option("assert_on_error"):
+                self.statement("assert(0)")
+            self.statement("goto %s" % label)
+
+    def indent(self):
+        self.indentation += 4
+
+    def unindent(self):
+        self.indentation -= 4
+        if self.indentation < 0:
+            self.indentation = 0
+
+    def begin_block(self, prefix= "", comment = ""):
+        if len(prefix) > 0:
+            self.write(prefix)
+        if self.at_line_start:
+            self.write("{")
+        else:
+            self.write(" {")
+        if len(comment) > 0:
+            self.write(" ")
+            self.comment(comment)
+        self.newline()
+        self.indent()
+
+    def end_block(self, semicolon=False, newline=True):
+        self.unindent()
+        if self.at_line_start:
+            self.write("}")
+        else:
+            self.write(" }")
+        if semicolon:
+            self.write(";")
+        if newline:
+            self.newline()
+
+    class Block:
+        def __init__(self, writer, semicolon, newline):
+            self.writer = writer
+            self.semicolon = semicolon
+            self.newline = newline
+
+        def __enter__(self):
+            return self.writer.get_subwriter()
+
+        def __exit__(self, exc_type, exc_value, traceback):
+            self.writer.end_block(self.semicolon, self.newline)
+
+    class PartialBlock:
+        def __init__(self, writer, scope, semicolon, newline):
+            self.writer = writer
+            self.scope = scope
+            self.semicolon = semicolon
+            self.newline = newline
+
+        def __enter__(self):
+            return self.scope
+
+        def __exit__(self, exc_type, exc_value, traceback):
+            self.writer.end_block(self.semicolon, self.newline)
+
+    class NoBlock:
+        def __init__(self, scope):
+            self.scope = scope
+
+        def __enter__(self):
+            return self.scope
+
+        def __exit__(self, exc_type, exc_value, traceback):
+            pass
+
+    def block(self, prefix= "", comment = "", semicolon=False, newline=True):
+        self.begin_block(prefix, comment)
+        return self.Block(self, semicolon, newline)
+
+    def partial_block(self, scope, semicolon=False, newline=True):
+        return self.PartialBlock(self, scope, semicolon, newline)
+
+    def no_block(self, scope):
+        return self.NoBlock(scope)
+
+    def optional_block(self, scope):
+        if scope != None:
+            return self.NoBlock(scope)
+        return self.block()
+
+    def for_loop(self, index, limit):
+        return self.block("for (%s = 0; %s < %s; %s++)" % (index, index, limit, index))
+
+    def while_loop(self, expr):
+        return self.block("while (%s)" % (expr))
+
+    def if_block(self, check, elseif=False, newline=True):
+        s = "if (%s)" % (check)
+        if elseif:
+            s = " else " + s
+        self.begin_block(s, "")
+        return self.Block(self, False, newline)
+
+    def variable_defined(self, name):
+        for n in self.vars:
+            if n == name:
+                return True
+        return False
+
+    def variable_def(self, ctype, *names):
+        for n in names:
+            # Strip away initialization
+            i = n.find("=")
+            if i != -1:
+                n = n[0:i]
+            self.vars.append(n.strip())
+        # only add space for non-pointer types
+        if ctype[-1] == "*":
+            ctype = ctype[:-1].rstrip()
+            self.writeln("%s *%s;"%(ctype, ", *".join(names)))
+        else:
+            self.writeln("%s %s;"%(ctype, ", ".join(names)))
+        return self
+
+    def function_helper(self):
+        if self.function_helper_writer != None:
+            writer = self.function_helper_writer.get_subwriter()
+            self.function_helper_writer.newline()
+        else:
+            writer = self.get_subwriter()
+        return writer
+
+    def function(self, name, return_type, args, static = False):
+        self.has_error_check = False
+        self.function_helper_writer = self.get_subwriter()
+        if static:
+            self.write("static ")
+        self.write(return_type)
+        self.write(" %s(%s)"% (name, args)).newline()
+        self.begin_block()
+        self.function_variables_writer = self.get_subwriter()
+        self.function_variables = {}
+        return self.function_variables_writer
+
+    def macro(self, name, args, define):
+        self.write("#define %s(%s) %s" % (name, args, define)).newline()
+
+    def ifdef(self, name):
+        indentation = self.indentation
+        self.indentation = 0;
+        self.write("#ifdef %s" % (name)).newline()
+        self.indentation = indentation
+
+    def ifdef_else(self, name):
+        indentation = self.indentation
+        self.indentation = 0;
+        self.write("#else /* %s */" % (name)).newline()
+        self.indentation = indentation
+
+    def endif(self, name):
+        indentation = self.indentation
+        self.indentation = 0;
+        self.write("#endif /* %s */" % (name)).newline()
+        self.indentation = indentation
+
+    def add_function_variable(self, ctype, name):
+        if name in self.function_variables:
+            assert(self.function_variables[name] == ctype)
+        else:
+            self.function_variables[name] = ctype
+            self.function_variables_writer.variable_def(ctype, name)
+
+    def pop_index(self):
+        index = self.indexes[self.current_index]
+        self.current_index = self.current_index + 1
+        self.add_function_variable(self.index_type, index)
+        return index
+
+    def push_index(self):
+        assert self.current_index > 0
+        self.current_index = self.current_index - 1
+
+    class Index:
+        def __init__(self, writer, val):
+            self.writer = writer
+            self.val = val
+
+        def __enter__(self):
+            return self.val
+
+        def __exit__(self, exc_type, exc_value, traceback):
+            self.writer.push_index()
+
+    def index(self, no_block = False):
+        if no_block:
+            return self.no_block(None)
+        val = self.pop_index()
+        return self.Index(self, val)

python_modules/marshal.py

@@ -0,0 +1,430 @@
+
+from . import ptypes
+from . import codegen
+import re
+import os
+
+def write_includes(writer):
+    writer.header.writeln("#include <spice/protocol.h>")
+    writer.header.writeln('#include "common/marshaller.h"')
+    writer.header.newline()
+    if writer.header.has_option("dest_file"):
+        src = os.path.basename(writer.header.options["dest_file"])
+    else:
+        src = "generated_headers.h"
+    src = re.sub(r'(?i)[^a-z0-9]+', '_', src)
+    src = src.upper()
+    if src.endswith("_H"):
+        src = "_H_"+src[:-2]
+    writer.header.writeln("#ifndef %s" % src)
+    writer.header.writeln("#define %s" % src)
+    writer.header.newline()
+    writer.header.writeln("SPICE_BEGIN_DECLS")
+    writer.header.newline()
+
+    writer.writeln("#include <string.h>")
+    writer.writeln("#include <assert.h>")
+    writer.writeln("#include <stdlib.h>")
+    writer.writeln("#include <stdio.h>")
+    writer.writeln("#include <spice/protocol.h>")
+    writer.writeln("#include <spice/macros.h>")
+    writer.writeln('#include "common/marshaller.h"')
+    writer.newline()
+    writer.writeln("#ifdef _MSC_VER")
+    writer.writeln("#pragma warning(disable:4101)")
+    writer.writeln("#pragma warning(disable:4018)")
+    writer.writeln("#endif")
+    writer.newline()
+
+class MarshallingSource:
+    def __init__(self):
+        pass
+
+    def child_at_end(self, t):
+        return RootMarshallingSource(self, t.c_type(), t.sizeof())
+
+    def child_sub(self, containee):
+        return SubMarshallingSource(self, containee)
+
+    def declare(self, writer):
+        return writer.optional_block(self.reuse_scope)
+
+    def is_toplevel(self):
+        return self.parent_src == None and not self.is_helper
+
+class RootMarshallingSource(MarshallingSource):
+    def __init__(self, parent_src, c_type, sizeof, pointer = None):
+        self.is_helper = False
+        self.reuse_scope = None
+        self.parent_src = parent_src
+        if parent_src:
+            self.base_var = codegen.increment_identifier(parent_src.base_var)
+        else:
+            self.base_var = "src"
+        self.c_type = c_type
+        self.sizeof = sizeof
+        self.pointer = pointer
+        assert pointer != None
+
+    def get_self_ref(self):
+        return self.base_var
+
+    def get_ref(self, member):
+        return self.base_var + "->" + member
+
+    def declare(self, writer):
+        if self.reuse_scope:
+            scope = self.reuse_scope
+        else:
+            writer.begin_block()
+            scope = writer.get_subwriter()
+
+        scope.variable_def("const " + self.c_type + " *", self.base_var)
+        if not self.reuse_scope:
+            scope.newline()
+
+        writer.assign(self.base_var, "(const %s *)%s" % (self.c_type, self.pointer))
+        writer.newline()
+
+        if self.reuse_scope:
+            return writer.no_block(self.reuse_scope)
+        else:
+            return writer.partial_block(scope)
+
+class SubMarshallingSource(MarshallingSource):
+    def __init__(self, parent_src, containee):
+        self.reuse_scope = None
+        self.parent_src = parent_src
+        self.base_var = parent_src.base_var
+        self.containee = containee
+        self.name = containee.name
+        self.is_helper = False
+
+    def get_self_ref(self):
+        if self.containee.has_attr("to_ptr"):
+            return "%s" % self.parent_src.get_ref(self.name)
+        else:
+            return "&%s" % self.parent_src.get_ref(self.name)
+
+    def get_ref(self, member):
+        if self.containee.has_attr("to_ptr"):
+            return self.parent_src.get_ref(self.name) + "->" + member
+        else:
+            return self.parent_src.get_ref(self.name) + "." + member
+
+def write_marshal_ptr_function(writer, target_type, is_helper=True):
+    if target_type.is_array():
+        marshal_function = "spice_marshall_array_%s" % target_type.element_type.primitive_type()
+    else:
+        marshal_function = "spice_marshall_%s" % target_type.name
+    if writer.is_generated("marshaller", marshal_function):
+        return marshal_function
+
+    writer.set_is_generated("marshaller", marshal_function)
+
+    names = target_type.get_pointer_names(False)
+    names_args = ""
+    if len(names) > 0:
+        n = [", SpiceMarshaller **%s_out" % name for name in names]
+        names_args = "".join(n)
+
+    header = writer.header
+    if is_helper:
+        writer = writer.function_helper()
+    writer.header = header
+    writer.out_prefix = ""
+    if target_type.is_array():
+        scope = writer.function(marshal_function, "SPICE_GNUC_UNUSED static void",
+                                "SpiceMarshaller *m, const %s_t *ptr, unsigned count" % target_type.element_type.primitive_type() + names_args)
+    else:
+        scope = writer.function(marshal_function, "void", "SpiceMarshaller *m, const %s *ptr" % target_type.c_type() + names_args)
+        header.writeln("void " + marshal_function + "(SpiceMarshaller *m, const %s *msg" % target_type.c_type() + names_args + ");")
+    scope.variable_def("SPICE_GNUC_UNUSED SpiceMarshaller *", "m2")
+
+    for n in names:
+        writer.assign("*%s_out" % n, "NULL")
+
+    writer.newline()
+
+    if target_type.is_struct():
+        src = RootMarshallingSource(None, target_type.c_type(), target_type.sizeof(), "ptr")
+        src.reuse_scope = scope
+        write_container_marshaller(writer, target_type, src)
+    elif target_type.is_array() and target_type.element_type.is_primitive():
+        with writer.index() as index:
+            with writer.for_loop(index, "count") as array_scope:
+                writer.statement("spice_marshaller_add_%s(m, *ptr++)" % (target_type.element_type.primitive_type()))
+    else:
+        writer.todo("Unsuppored pointer marshaller type")
+
+    writer.end_block()
+
+    return marshal_function
+
+def get_array_size(array, container_src):
+    if array.is_constant_length():
+        return array.size
+    elif array.is_identifier_length():
+        return container_src.get_ref(array.size)
+    elif array.is_remaining_length():
+        raise NotImplementedError("remaining size array sizes marshalling not supported")
+    elif array.is_image_size_length():
+        bpp = array.size[1]
+        width = array.size[2]
+        rows = array.size[3]
+        width_v = container_src.get_ref(width)
+        rows_v = container_src.get_ref(rows)
+        if bpp == 8:
+            return "((uint64_t) %s * %s)" % (width_v, rows_v)
+        elif bpp == 1:
+            return "((((uint64_t) %s + 7U) / 8U ) * %s)" % (width_v, rows_v)
+        else:
+            return "((((uint64_t) %s * %s + 7U) / 8U ) * %s)" % (bpp, width_v, rows_v)
+    else:
+        raise NotImplementedError("TODO array size type not handled yet: %s"  % array)
+
+def write_array_marshaller(writer, member, array, container_src, scope):
+    element_type = array.element_type
+
+    if array.is_remaining_length():
+        writer.comment("Remaining data must be appended manually").newline()
+        return
+
+    nelements = get_array_size(array, container_src)
+
+    element = "%s__element" % member.name
+
+    if not scope.variable_defined(element):
+        if array.has_attr("ptr_array"):
+            type_formart = "%s * const *"
+        else:
+            type_formart = "const %s * "
+        scope.variable_def(type_formart % element_type.c_type(), element)
+    element_array = element
+    if array.has_attr("ptr_array"):
+        element = "*" + element
+
+    writer.assign(element_array, container_src.get_ref(member.name))
+
+    with writer.index() as index:
+        with writer.for_loop(index, nelements) as array_scope:
+            if element_type.is_primitive():
+                writer.statement("spice_marshaller_add_%s(m, *%s)" % (element_type.primitive_type(), element))
+            elif element_type.is_struct():
+                src2 = RootMarshallingSource(container_src, element_type.c_type(), element_type.sizeof(), element)
+                src2.reuse_scope = array_scope
+                write_container_marshaller(writer, element_type, src2)
+            else:
+                writer.todo("array element unhandled type").newline()
+
+            writer.statement("%s++" % element_array)
+
+def write_pointer_marshaller(writer, member, src):
+    t = member.member_type
+    ptr_func = write_marshal_ptr_function(writer, t.target_type)
+    submarshaller = "spice_marshaller_get_ptr_submarshaller(m)"
+    if member.has_attr("marshall"):
+        rest_args = ""
+        if t.target_type.is_array():
+            rest_args = ", %s" % get_array_size(t.target_type, src)
+        writer.assign("m2", submarshaller)
+        if t.has_attr("nonnull"):
+            writer.statement("%s(m2, %s%s)" % (ptr_func, src.get_ref(member.name), rest_args))
+        else:
+            with writer.if_block("%s != NULL" % src.get_ref(member.name)) as block:
+                writer.statement("%s(m2, %s%s)" % (ptr_func, src.get_ref(member.name), rest_args))
+    else:
+        writer.assign("*%s_out" % (writer.out_prefix + member.name), submarshaller)
+
+def write_switch_marshaller(writer, container, switch, src, scope):
+    var = container.lookup_member(switch.variable)
+    var_type = var.member_type
+
+    saved_out_prefix = writer.out_prefix
+    first = True
+    for c in switch.cases:
+        check = c.get_check(src.get_ref(switch.variable), var_type)
+        m = c.member
+        writer.out_prefix = saved_out_prefix
+        if m.has_attr("outvar"):
+            writer.out_prefix = "%s_%s" % (m.attributes["outvar"][0], writer.out_prefix)
+        with writer.if_block(check, not first, False) as block:
+            t = m.member_type
+            if switch.has_attr("anon"):
+                if t.is_struct():
+                    src2 = src.child_sub(m)
+                else:
+                    src2 = src
+            else:
+                if t.is_struct():
+                    src2 = src.child_sub(switch).child_sub(m)
+                else:
+                    src2 = src.child_sub(switch)
+            src2.reuse_scope = block
+
+            if t.is_struct():
+                write_container_marshaller(writer, t, src2)
+            elif t.is_pointer():
+                write_pointer_marshaller(writer, m, src2)
+            elif t.is_primitive():
+                if m.has_attr("zero"):
+                    writer.statement("spice_marshaller_add_%s(m, 0)" % (t.primitive_type()))
+                else:
+                    writer.statement("spice_marshaller_add_%s(m, %s)" % (t.primitive_type(), src2.get_ref(m.name)))
+                #TODO validate e.g. flags and enums
+            elif t.is_array():
+                write_array_marshaller(writer, m, t, src2, scope)
+            else:
+                writer.todo("Can't handle type %s" % m.member_type)
+
+        first = False
+
+    writer.newline()
+
+def write_member_marshaller(writer, container, member, src, scope):
+    if member.has_attr("outvar"):
+        writer.out_prefix = "%s_%s" % (member.attributes["outvar"][0], writer.out_prefix)
+    if member.has_attr("virtual"):
+        writer.comment("Don't marshall @virtual %s" % member.name).newline()
+        return
+    if member.has_attr("nomarshal"):
+        writer.comment("Don't marshall @nomarshal %s" % member.name).newline()
+        return
+    if member.is_switch():
+        write_switch_marshaller(writer, container, member, src, scope)
+        return
+
+    t = member.member_type
+
+    if t.is_pointer():
+        write_pointer_marshaller(writer, member, src)
+    elif t.is_primitive():
+        if member.has_attr("zero"):
+            writer.statement("spice_marshaller_add_%s(m, 0)" % (t.primitive_type()))
+
+        else:
+            writer.statement("spice_marshaller_add_%s(m, %s)" % (t.primitive_type(), src.get_ref(member.name)))
+    elif t.is_array():
+        write_array_marshaller(writer, member, t, src, scope)
+    elif t.is_struct():
+        src2 = src.child_sub(member)
+        writer.comment(member.name)
+        write_container_marshaller(writer, t, src2)
+    else:
+        raise NotImplementedError("TODO can't handle parsing of %s" % t)
+
+def write_container_marshaller(writer, container, src):
+    saved_out_prefix = writer.out_prefix
+    with src.declare(writer) as scope:
+        for m in container.members:
+            writer.out_prefix = saved_out_prefix
+            write_member_marshaller(writer, container, m, src, scope)
+
+def write_message_marshaller(writer, message, private):
+    if message.has_attr("ifdef"):
+        writer.ifdef(message.attributes["ifdef"][0])
+        writer.header.ifdef(message.attributes["ifdef"][0])
+    writer.out_prefix = ""
+    function_name = "spice_marshall_" + message.c_name()
+    if writer.is_generated("marshaller", function_name):
+        return function_name
+    writer.set_is_generated("marshaller", function_name)
+
+    names = message.get_pointer_names(False)
+    names_args = ""
+    if len(names) > 0:
+        n = [", SpiceMarshaller **%s_out" % name for name in names]
+        names_args = "".join(n)
+
+    if private:
+        message_name = message.c_name()
+        if (not message_name.startswith("msgc_")):
+            #small bug above, checks for startswith("msg") which
+            #matches "msgc" and appends "msg_" if this fails causing
+            #inconsistencies
+            message_name = "msg_" + message_name
+        writer.header.writeln("void (*" + message_name + ")(SpiceMarshaller *m, const %s *msg" % message.c_type() + names_args + ");")
+    else:
+        writer.header.writeln("void " + function_name + "(SpiceMarshaller *m, const %s *msg" % message.c_type() + names_args + ");")
+
+    scope = writer.function(function_name,
+                            "static void" if private else "void",
+                            "SPICE_GNUC_UNUSED SpiceMarshaller *m, SPICE_GNUC_UNUSED const %s *msg" % message.c_type() + names_args)
+    scope.variable_def("SPICE_GNUC_UNUSED SpiceMarshaller *", "m2")
+
+    for n in names:
+        writer.assign("*%s_out" % n, "NULL")
+
+    # fix warnings about unused variables by not creating body if no members to parse
+    if any(x.is_fixed_nw_size() for x in message.members):
+        src = RootMarshallingSource(None, message.c_type(), message.sizeof(), "msg")
+        src.reuse_scope = scope
+
+        write_container_marshaller(writer, message, src)
+
+    writer.end_block()
+    if message.has_attr("ifdef"):
+        writer.endif(message.attributes["ifdef"][0])
+        writer.header.endif(message.attributes["ifdef"][0])
+
+    writer.newline()
+    return function_name
+
+def write_protocol_marshaller(writer, proto, is_server, private_marshallers):
+    functions = {}
+    if private_marshallers:
+        writer.header.begin_block("typedef struct")
+    for c in proto.channels:
+        channel = c.channel_type
+        if channel.has_attr("ifdef"):
+            writer.ifdef(channel.attributes["ifdef"][0])
+            writer.header.ifdef(channel.attributes["ifdef"][0])
+        if is_server:
+            messages = channel.client_messages
+        else:
+            messages = channel.server_messages
+        for m in messages:
+            message = m.message_type
+            f = write_message_marshaller(writer, message, private_marshallers)
+            if channel.has_attr("ifdef") and f not in functions:
+                functions[f] = channel.attributes["ifdef"][0]
+            elif message.has_attr("ifdef") and f not in functions:
+                functions[f] = message.attributes["ifdef"][0]
+            else:
+                functions[f] = True
+        if channel.has_attr("ifdef"):
+            writer.endif(channel.attributes["ifdef"][0])
+            writer.header.endif(channel.attributes["ifdef"][0])
+
+    if private_marshallers:
+        writer.header.end_block(newline=False)
+        writer.header.writeln(" SpiceMessageMarshallers;")
+        writer.header.newline()
+        writer.header.statement("SpiceMessageMarshallers *spice_message_marshallers_get" + writer.public_suffix+"(void)")
+        writer.header.newline()
+
+        scope = writer.function("spice_message_marshallers_get" +  writer.public_suffix,
+                                "SpiceMessageMarshallers *",
+                                "void")
+        writer.writeln("static SpiceMessageMarshallers marshallers = {0};").newline()
+        for f in sorted(functions.keys()):
+            member = f[len("spice_marshall_"):]
+            if not member.startswith("msg"):
+                member = "msg_" + member
+            if functions[f] != True:
+                writer.ifdef(functions[f])
+            writer.assign("marshallers.%s" % member, f)
+            if functions[f] != True:
+                writer.endif(functions[f])
+
+        writer.newline()
+        writer.statement("return &marshallers")
+        writer.end_block()
+        writer.newline()
+
+def write_trailer(writer):
+    writer.header.newline()
+    writer.header.writeln("SPICE_END_DECLS")
+    writer.header.newline()
+
+    writer.header.writeln("#endif")

python_modules/meson.build

@@ -0,0 +1,6 @@
+spice_codegen_files += files('codegen.py',
+                             'demarshal.py',
+                             '__init__.py',
+                             'marshal.py',
+                             'ptypes.py',
+                             'spice_parser.py')

python_modules/spice_parser.py

@@ -0,0 +1,159 @@
+try:
+    from pyparsing import Literal, CaselessLiteral, Word, OneOrMore, ZeroOrMore, \
+            Forward, delimitedList, Group, Optional, Combine, alphas, nums, restOfLine, cStyleComment, \
+            alphanums, ParseException, ParseResults, Keyword, StringEnd, replaceWith
+except ImportError:
+    print("Module pyparsing not found.")
+    exit(1)
+
+
+from . import ptypes
+import sys
+
+cvtInt = lambda toks: int(toks[0])
+
+def parseVariableDef(toks):
+    t = toks[0][0]
+    pointer = toks[0][1]
+    name = toks[0][2]
+    array_size = toks[0][3]
+    attributes = toks[0][4]
+
+    if array_size != None:
+        t = ptypes.ArrayType(t, array_size)
+
+    if pointer != None:
+        t = ptypes.PointerType(t)
+
+    return ptypes.Member(name, t, attributes)
+
+bnf = None
+def SPICE_BNF():
+    global bnf
+
+    if not bnf:
+
+        # punctuation
+        colon  = Literal(":").suppress()
+        lbrace = Literal("{").suppress()
+        rbrace = Literal("}").suppress()
+        lbrack = Literal("[").suppress()
+        rbrack = Literal("]").suppress()
+        lparen = Literal("(").suppress()
+        rparen = Literal(")").suppress()
+        equals = Literal("=").suppress()
+        comma  = Literal(",").suppress()
+        semi   = Literal(";").suppress()
+
+        # primitive types
+        int8_      = Keyword("int8").setParseAction(replaceWith(ptypes.int8))
+        uint8_     = Keyword("uint8").setParseAction(replaceWith(ptypes.uint8))
+        int16_     = Keyword("int16").setParseAction(replaceWith(ptypes.int16))
+        uint16_    = Keyword("uint16").setParseAction(replaceWith(ptypes.uint16))
+        int32_     = Keyword("int32").setParseAction(replaceWith(ptypes.int32))
+        uint32_    = Keyword("uint32").setParseAction(replaceWith(ptypes.uint32))
+        int64_     = Keyword("int64").setParseAction(replaceWith(ptypes.int64))
+        uint64_    = Keyword("uint64").setParseAction(replaceWith(ptypes.uint64))
+        unix_fd_   = Keyword("unix_fd").setParseAction(replaceWith(ptypes.unix_fd))
+
+        # keywords
+        enum32_    = Keyword("enum32").setParseAction(replaceWith(32))
+        enum16_    = Keyword("enum16").setParseAction(replaceWith(16))
+        enum8_     = Keyword("enum8").setParseAction(replaceWith(8))
+        flags32_   = Keyword("flags32").setParseAction(replaceWith(32))
+        flags16_   = Keyword("flags16").setParseAction(replaceWith(16))
+        flags8_    = Keyword("flags8").setParseAction(replaceWith(8))
+        channel_   = Keyword("channel")
+        server_    = Keyword("server")
+        client_    = Keyword("client")
+        protocol_  = Keyword("protocol")
+        typedef_   = Keyword("typedef")
+        struct_    = Keyword("struct")
+        message_   = Keyword("message")
+        image_size_ = Keyword("image_size")
+        cstring_   = Keyword("cstring")
+        switch_    = Keyword("switch")
+        default_   = Keyword("default")
+        case_      = Keyword("case")
+
+        identifier = Word( alphas, alphanums + "_" )
+        enumname = Word( alphanums + "_" )
+
+        integer = ( Combine( CaselessLiteral("0x") + Word( nums+"abcdefABCDEF" ) ) |
+                    Word( nums+"+-", nums ) ).setName("int").setParseAction(cvtInt)
+
+        typename = identifier.copy().setParseAction(lambda toks : ptypes.TypeRef(str(toks[0])))
+
+        # This is just normal "types", i.e. not channels or messages
+        typeSpec = Forward()
+
+        attributeValue = integer ^ identifier
+        attribute = Group(Combine ("@" + identifier) + Optional(lparen + delimitedList(attributeValue) + rparen))
+        attributes = Group(ZeroOrMore(attribute))
+        arraySizeSpecImage = Group(image_size_ + lparen + integer + comma + identifier + comma + identifier + rparen)
+        arraySizeSpecCString = Group(cstring_ + lparen + rparen)
+        arraySizeSpec = lbrack + Optional(identifier ^ integer ^ arraySizeSpecImage ^ arraySizeSpecCString, default="") + rbrack
+        variableDef = Group(typeSpec + Optional("*", default=None) + identifier + Optional(arraySizeSpec, default=None) + attributes - semi) \
+            .setParseAction(parseVariableDef)
+
+        switchCase = Group(Group(OneOrMore(default_.setParseAction(replaceWith(None)) + colon | Group(case_.suppress() + Optional("!", default="") + identifier) + colon)) + variableDef) \
+            .setParseAction(lambda toks: ptypes.SwitchCase(toks[0][0], toks[0][1]))
+        switchBody = Group(switch_ + lparen + delimitedList(identifier,delim='.', combine=True) + rparen + lbrace + Group(OneOrMore(switchCase)) + rbrace + identifier + attributes - semi) \
+            .setParseAction(lambda toks: ptypes.Switch(toks[0][1], toks[0][2], toks[0][3], toks[0][4]))
+        messageBody = structBody = Group(lbrace + ZeroOrMore(variableDef | switchBody)  + rbrace)
+        structSpec = Group(struct_ + identifier + structBody + attributes).setParseAction(lambda toks: ptypes.StructType(toks[0][1], toks[0][2], toks[0][3]))
+
+        # have to use longest match for type, in case a user-defined type name starts with a keyword type, like "channel_type"
+        typeSpec << ( structSpec ^ int8_ ^ uint8_ ^ int16_ ^ uint16_ ^
+                     int32_ ^ uint32_ ^ int64_ ^ uint64_ ^ unix_fd_ ^
+                     typename).setName("type")
+
+        flagsBody = enumBody = Group(lbrace + delimitedList(Group (enumname + Optional(equals + integer, default=None) + attributes)) + Optional(comma) + rbrace)
+
+        messageSpec = Group(message_ + messageBody + attributes).setParseAction(lambda toks: ptypes.MessageType(None, toks[0][1], toks[0][2])) | typename
+
+        channelParent = Optional(colon + typename, default=None)
+        channelMessage = Group(messageSpec + identifier + Optional(equals + integer, default=None) + semi) \
+            .setParseAction(lambda toks: ptypes.ChannelMember(toks[0][1], toks[0][0], toks[0][2]))
+        channelBody = channelParent + Group(lbrace + ZeroOrMore( server_ + colon | client_ + colon | channelMessage)  + rbrace)
+
+        enum_ = (enum32_ | enum16_ | enum8_)
+        flags_ = (flags32_ | flags16_ | flags8_)
+        enumDef = Group(enum_ + identifier + enumBody + attributes - semi).setParseAction(lambda toks: ptypes.EnumType(toks[0][0], toks[0][1], toks[0][2], toks[0][3]))
+        flagsDef = Group(flags_ + identifier + flagsBody + attributes  - semi).setParseAction(lambda toks: ptypes.FlagsType(toks[0][0], toks[0][1], toks[0][2], toks[0][3]))
+        messageDef = Group(message_ + identifier + messageBody + attributes - semi).setParseAction(lambda toks: ptypes.MessageType(toks[0][1], toks[0][2], toks[0][3]))
+        channelDef = Group(channel_ + identifier + channelBody + attributes - semi).setParseAction(lambda toks: ptypes.ChannelType(toks[0][1], toks[0][2], toks[0][3], toks[0][4]))
+        structDef = Group(struct_ + identifier + structBody + attributes - semi).setParseAction(lambda toks: ptypes.StructType(toks[0][1], toks[0][2], toks[0][3]))
+        typedefDef = Group(typedef_ + identifier  + typeSpec + attributes - semi).setParseAction(lambda toks: ptypes.TypeAlias(toks[0][1], toks[0][2], toks[0][3]))
+
+        definitions = typedefDef | structDef | enumDef | flagsDef | messageDef | channelDef
+
+        protocolChannel = Group(typename + identifier +  Optional(equals + integer, default=None) + semi) \
+            .setParseAction(lambda toks: ptypes.ProtocolMember(toks[0][1], toks[0][0], toks[0][2]))
+        protocolDef = Group(protocol_ + identifier + Group(lbrace + ZeroOrMore(protocolChannel) + rbrace) + semi) \
+            .setParseAction(lambda toks: ptypes.ProtocolType(toks[0][1], toks[0][2]))
+
+        bnf = ZeroOrMore (definitions) +  protocolDef + StringEnd()
+
+        singleLineComment = "//" + restOfLine
+        bnf.ignore( singleLineComment )
+        bnf.ignore( cStyleComment )
+
+    return bnf
+
+
+def parse(filename):
+    try:
+        bnf = SPICE_BNF()
+        types = bnf.parseFile(filename)
+    except ParseException as err:
+        print(err.line, file=sys.stderr)
+        print(" "*(err.column-1) + "^", file=sys.stderr)
+        print(err, file=sys.stderr)
+        return None
+
+    for t in types:
+        t.resolve()
+        t.register()
+    protocol = types[-1]
+    return protocol

quic_rgb_tmpl.c

@@ -1,765 +0,0 @@
-/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/*
-   Copyright (C) 2009 Red Hat, Inc.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifdef QUIC_RGB32
-#undef QUIC_RGB32
-#define PIXEL rgb32_pixel_t
-#define FNAME(name) quic_rgb32_##name
-#define golomb_coding golomb_coding_8bpc
-#define golomb_decoding golomb_decoding_8bpc
-#define update_model update_model_8bpc
-#define find_bucket find_bucket_8bpc
-#define family family_8bpc
-#define BPC 8
-#define BPC_MASK 0xffU
-#define COMPRESS_IMP
-#define SET_r(pix, val) ((pix)->r = val)
-#define GET_r(pix) ((pix)->r)
-#define SET_g(pix, val) ((pix)->g = val)
-#define GET_g(pix) ((pix)->g)
-#define SET_b(pix, val) ((pix)->b = val)
-#define GET_b(pix) ((pix)->b)
-#define UNCOMPRESS_PIX_START(pix) ((pix)->pad = 0)
-#endif
-
-#ifdef QUIC_RGB24
-#undef QUIC_RGB24
-#define PIXEL rgb24_pixel_t
-#define FNAME(name) quic_rgb24_##name
-#define golomb_coding golomb_coding_8bpc
-#define golomb_decoding golomb_decoding_8bpc
-#define update_model update_model_8bpc
-#define find_bucket find_bucket_8bpc
-#define family family_8bpc
-#define BPC 8
-#define BPC_MASK 0xffU
-#define COMPRESS_IMP
-#define SET_r(pix, val) ((pix)->r = val)
-#define GET_r(pix) ((pix)->r)
-#define SET_g(pix, val) ((pix)->g = val)
-#define GET_g(pix) ((pix)->g)
-#define SET_b(pix, val) ((pix)->b = val)
-#define GET_b(pix) ((pix)->b)
-#define UNCOMPRESS_PIX_START(pix)
-#endif
-
-#ifdef QUIC_RGB16
-#undef QUIC_RGB16
-#define PIXEL rgb16_pixel_t
-#define FNAME(name) quic_rgb16_##name
-#define golomb_coding golomb_coding_5bpc
-#define golomb_decoding golomb_decoding_5bpc
-#define update_model update_model_5bpc
-#define find_bucket find_bucket_5bpc
-#define family family_5bpc
-#define BPC 5
-#define BPC_MASK 0x1fU
-#define COMPRESS_IMP
-#define SET_r(pix, val) (*(pix) = (*(pix) & ~(0x1f << 10)) | ((val) << 10))
-#define GET_r(pix) ((*(pix) >> 10) & 0x1f)
-#define SET_g(pix, val) (*(pix) = (*(pix) & ~(0x1f << 5)) | ((val) << 5))
-#define GET_g(pix) ((*(pix) >> 5) & 0x1f)
-#define SET_b(pix, val) (*(pix) = (*(pix) & ~0x1f) | (val))
-#define GET_b(pix) (*(pix) & 0x1f)
-#define UNCOMPRESS_PIX_START(pix) (*(pix) = 0)
-#endif
-
-#ifdef QUIC_RGB16_TO_32
-#undef QUIC_RGB16_TO_32
-#define PIXEL rgb32_pixel_t
-#define FNAME(name) quic_rgb16_to_32_##name
-#define golomb_coding golomb_coding_5bpc
-#define golomb_decoding golomb_decoding_5bpc
-#define update_model update_model_5bpc
-#define find_bucket find_bucket_5bpc
-#define family family_5bpc
-#define BPC 5
-#define BPC_MASK 0x1fU
-
-#define SET_r(pix, val) ((pix)->r = ((val) << 3) | (((val) & 0x1f) >> 2))
-#define GET_r(pix) ((pix)->r >> 3)
-#define SET_g(pix, val) ((pix)->g = ((val) << 3) | (((val) & 0x1f) >> 2))
-#define GET_g(pix) ((pix)->g >> 3)
-#define SET_b(pix, val) ((pix)->b = ((val) << 3) | (((val) & 0x1f) >> 2))
-#define GET_b(pix) ((pix)->b >> 3)
-#define UNCOMPRESS_PIX_START(pix) ((pix)->pad = 0)
-#endif
-
-#define SAME_PIXEL(p1, p2)                                 \
-    (GET_r(p1) == GET_r(p2) && GET_g(p1) == GET_g(p2) &&   \
-     GET_b(p1) == GET_b(p2))
-
-
-#define _PIXEL_A(channel, curr) ((unsigned int)GET_##channel((curr) - 1))
-#define _PIXEL_B(channel, prev) ((unsigned int)GET_##channel(prev))
-#define _PIXEL_C(channel, prev) ((unsigned int)GET_##channel((prev) - 1))
-
-/*  a  */
-
-#define DECORELATE_0(channel, curr, bpc_mask)\
-    family.xlatU2L[(unsigned)((int)GET_##channel(curr) - (int)_PIXEL_A(channel, curr)) & bpc_mask]
-
-#define CORELATE_0(channel, curr, correlate, bpc_mask)\
-    ((family.xlatL2U[correlate] + _PIXEL_A(channel, curr)) & bpc_mask)
-
-#ifdef PRED_1
-
-/*  (a+b)/2  */
-#define DECORELATE(channel, prev, curr, bpc_mask, r)                                            \
-    r = family.xlatU2L[(unsigned)((int)GET_##channel(curr) - (int)((_PIXEL_A(channel, curr) +   \
-                        _PIXEL_B(channel, prev)) >> 1)) & bpc_mask]
-
-#define CORELATE(channel, prev, curr, correlate, bpc_mask, r)                                   \
-    SET_##channel(r, ((family.xlatL2U[correlate] +                                              \
-          (int)((_PIXEL_A(channel, curr) + _PIXEL_B(channel, prev)) >> 1)) & bpc_mask))
-#endif
-
-#ifdef PRED_2
-
-/*  .75a+.75b-.5c  */
-#define DECORELATE(channel, prev, curr, bpc_mask, r) {                          \
-    int p = ((int)(3 * (_PIXEL_A(channel, curr) + _PIXEL_B(channel, prev))) -   \
-                        (int)(_PIXEL_C(channel, prev) << 1)) >> 2;              \
-    if (p < 0) {                                                                \
-        p = 0;                                                                  \
-    } else if ((unsigned)p > bpc_mask) {                                        \
-        p = bpc_mask;                                                           \
-    }                                                                           \
-    r = family.xlatU2L[(unsigned)((int)GET_##channel(curr) - p) & bpc_mask];    \
-}
-
-#define CORELATE(channel, prev, curr, correlate, bpc_mask, r) {                         \
-    const int p = ((int)(3 * (_PIXEL_A(channel, curr) + _PIXEL_B(channel, prev))) -     \
-                        (int)(_PIXEL_C(channel, prev) << 1) ) >> 2;                     \
-    const unsigned int s = family.xlatL2U[correlate];                                   \
-    if (!(p & ~bpc_mask)) {                                                             \
-        SET_##channel(r, (s + (unsigned)p) & bpc_mask);                                 \
-    } else if (p < 0) {                                                                 \
-        SET_##channel(r, s);                                                            \
-    } else {                                                                            \
-        SET_##channel(r, (s + bpc_mask) & bpc_mask);                                    \
-    }                                                                                   \
-}
-
-#endif
-
-
-#define COMPRESS_ONE_ROW0_0(channel)                                                \
-    correlate_row_##channel[0] = family.xlatU2L[GET_##channel(cur_row)];            \
-    golomb_coding(correlate_row_##channel[0], find_bucket(channel_##channel,        \
-                  correlate_row_##channel[-1])->bestcode,                           \
-                  &codeword, &codewordlen);                                         \
-    encode(encoder, codeword, codewordlen);
-
-#define COMPRESS_ONE_ROW0(channel, index)                                               \
-    correlate_row_##channel[index] = DECORELATE_0(channel, &cur_row[index], bpc_mask);  \
-    golomb_coding(correlate_row_##channel[index], find_bucket(channel_##channel,        \
-                  correlate_row_##channel[index -1])->bestcode,                         \
-                  &codeword, &codewordlen);                                             \
-    encode(encoder, codeword, codewordlen);
-
-#define UPDATE_MODEL(index)                                                                 \
-    update_model(&encoder->rgb_state, find_bucket(channel_r, correlate_row_r[index - 1]),   \
-                correlate_row_r[index], bpc);                                               \
-    update_model(&encoder->rgb_state, find_bucket(channel_g, correlate_row_g[index - 1]),   \
-                correlate_row_g[index], bpc);                                               \
-    update_model(&encoder->rgb_state, find_bucket(channel_b, correlate_row_b[index - 1]),   \
-                correlate_row_b[index], bpc);
-
-
-#ifdef RLE_PRED_1
-#define RLE_PRED_1_IMP                                                                          \
-if (SAME_PIXEL(&cur_row[i - 1], &prev_row[i])) {                                                \
-    if (run_index != i && SAME_PIXEL(&prev_row[i - 1], &prev_row[i]) &&                         \
-                                i + 1 < end && SAME_PIXEL(&prev_row[i], &prev_row[i + 1])) {    \
-        goto do_run;                                                                            \
-    }                                                                                           \
-}
-#else
-#define RLE_PRED_1_IMP
-#endif
-
-#ifdef RLE_PRED_2
-#define RLE_PRED_2_IMP                                                              \
-if (SAME_PIXEL(&prev_row[i - 1], &prev_row[i])) {                                   \
-    if (run_index != i && i > 2 && SAME_PIXEL(&cur_row[i - 1], &cur_row[i - 2])) {  \
-        goto do_run;                                                                \
-    }                                                                               \
-}
-#else
-#define RLE_PRED_2_IMP
-#endif
-
-#ifdef RLE_PRED_3
-#define RLE_PRED_3_IMP                                                              \
-if (i > 1 &&  SAME_PIXEL(&cur_row[i - 1], &cur_row[i - 2]) && i != run_index) {     \
-    goto do_run;                                                                    \
-}
-#else
-#define RLE_PRED_3_IMP
-#endif
-
-#ifdef COMPRESS_IMP
-
-static void FNAME(compress_row0_seg)(Encoder *encoder, int i,
-                                     const PIXEL * const cur_row,
-                                     const int end,
-                                     const unsigned int waitmask,
-                                     const unsigned int bpc,
-                                     const unsigned int bpc_mask)
-{
-    Channel * const channel_r = encoder->channels;
-    Channel * const channel_g = channel_r + 1;
-    Channel * const channel_b = channel_g + 1;
-
-    BYTE * const correlate_row_r = channel_r->correlate_row;
-    BYTE * const correlate_row_g = channel_g->correlate_row;
-    BYTE * const correlate_row_b = channel_b->correlate_row;
-    int stopidx;
-
-    ASSERT(encoder->usr, end - i > 0);
-
-    if (!i) {
-        unsigned int codeword, codewordlen;
-
-        COMPRESS_ONE_ROW0_0(r);
-        COMPRESS_ONE_ROW0_0(g);
-        COMPRESS_ONE_ROW0_0(b);
-
-        if (encoder->rgb_state.waitcnt) {
-            encoder->rgb_state.waitcnt--;
-        } else {
-            encoder->rgb_state.waitcnt = (tabrand(&encoder->rgb_state.tabrand_seed) & waitmask);
-            UPDATE_MODEL(0);
-        }
-        stopidx = ++i + encoder->rgb_state.waitcnt;
-    } else {
-        stopidx = i + encoder->rgb_state.waitcnt;
-    }
-
-    while (stopidx < end) {
-        for (; i <= stopidx; i++) {
-            unsigned int codeword, codewordlen;
-            COMPRESS_ONE_ROW0(r, i);
-            COMPRESS_ONE_ROW0(g, i);
-            COMPRESS_ONE_ROW0(b, i);
-        }
-
-        UPDATE_MODEL(stopidx);
-        stopidx = i + (tabrand(&encoder->rgb_state.tabrand_seed) & waitmask);
-    }
-
-    for (; i < end; i++) {
-        unsigned int codeword, codewordlen;
-
-        COMPRESS_ONE_ROW0(r, i);
-        COMPRESS_ONE_ROW0(g, i);
-        COMPRESS_ONE_ROW0(b, i);
-    }
-    encoder->rgb_state.waitcnt = stopidx - end;
-}
-
-static void FNAME(compress_row0)(Encoder *encoder, const PIXEL *cur_row,
-                                 unsigned int width)
-{
-    const unsigned int bpc = BPC;
-    const unsigned int bpc_mask = BPC_MASK;
-    int pos = 0;
-
-    while ((wmimax > (int)encoder->rgb_state.wmidx) && (encoder->rgb_state.wmileft <= width)) {
-        if (encoder->rgb_state.wmileft) {
-            FNAME(compress_row0_seg)(encoder, pos, cur_row, pos + encoder->rgb_state.wmileft,
-                                     bppmask[encoder->rgb_state.wmidx], bpc, bpc_mask);
-            width -= encoder->rgb_state.wmileft;
-            pos += encoder->rgb_state.wmileft;
-        }
-
-        encoder->rgb_state.wmidx++;
-        set_wm_trigger(&encoder->rgb_state);
-        encoder->rgb_state.wmileft = wminext;
-    }
-
-    if (width) {
-        FNAME(compress_row0_seg)(encoder, pos, cur_row, pos + width,
-                                 bppmask[encoder->rgb_state.wmidx], bpc, bpc_mask);
-        if (wmimax > (int)encoder->rgb_state.wmidx) {
-            encoder->rgb_state.wmileft -= width;
-        }
-    }
-
-    ASSERT(encoder->usr, (int)encoder->rgb_state.wmidx <= wmimax);
-    ASSERT(encoder->usr, encoder->rgb_state.wmidx <= 32);
-    ASSERT(encoder->usr, wminext > 0);
-}
-
-#define COMPRESS_ONE_0(channel) \
-    correlate_row_##channel[0] = family.xlatU2L[(unsigned)((int)GET_##channel(cur_row) -    \
-                                                (int)GET_##channel(prev_row) ) & bpc_mask]; \
-    golomb_coding(correlate_row_##channel[0],                                               \
-                  find_bucket(channel_##channel, correlate_row_##channel[-1])->bestcode,    \
-                  &codeword, &codewordlen);                                                 \
-    encode(encoder, codeword, codewordlen);
-
-#define COMPRESS_ONE(channel, index)                                                            \
-    DECORELATE(channel, &prev_row[index], &cur_row[index],bpc_mask,                             \
-               correlate_row_##channel[index]);                                                 \
-    golomb_coding(correlate_row_##channel[index],                                               \
-                 find_bucket(channel_##channel, correlate_row_##channel[index - 1])->bestcode,  \
-                 &codeword, &codewordlen);                                                      \
-    encode(encoder, codeword, codewordlen);
-
-static void FNAME(compress_row_seg)(Encoder *encoder, int i,
-                                    const PIXEL * const prev_row,
-                                    const PIXEL * const cur_row,
-                                    const int end,
-                                    const unsigned int waitmask,
-                                    const unsigned int bpc,
-                                    const unsigned int bpc_mask)
-{
-    Channel * const channel_r = encoder->channels;
-    Channel * const channel_g = channel_r + 1;
-    Channel * const channel_b = channel_g + 1;
-
-    BYTE * const correlate_row_r = channel_r->correlate_row;
-    BYTE * const correlate_row_g = channel_g->correlate_row;
-    BYTE * const correlate_row_b = channel_b->correlate_row;
-    int stopidx;
-#ifdef RLE
-    int run_index = 0;
-    int run_size;
-#endif
-
-    ASSERT(encoder->usr, end - i > 0);
-
-    if (!i) {
-        unsigned int codeword, codewordlen;
-
-        COMPRESS_ONE_0(r);
-        COMPRESS_ONE_0(g);
-        COMPRESS_ONE_0(b);
-
-        if (encoder->rgb_state.waitcnt) {
-            encoder->rgb_state.waitcnt--;
-        } else {
-            encoder->rgb_state.waitcnt = (tabrand(&encoder->rgb_state.tabrand_seed) & waitmask);
-            UPDATE_MODEL(0);
-        }
-        stopidx = ++i + encoder->rgb_state.waitcnt;
-    } else {
-        stopidx = i + encoder->rgb_state.waitcnt;
-    }
-    for (;;) {
-        while (stopidx < end) {
-            for (; i <= stopidx; i++) {
-                unsigned int codeword, codewordlen;
-#ifdef RLE
-                RLE_PRED_1_IMP;
-                RLE_PRED_2_IMP;
-                RLE_PRED_3_IMP;
-#endif
-                COMPRESS_ONE(r, i);
-                COMPRESS_ONE(g, i);
-                COMPRESS_ONE(b, i);
-            }
-
-            UPDATE_MODEL(stopidx);
-            stopidx = i + (tabrand(&encoder->rgb_state.tabrand_seed) & waitmask);
-        }
-
-        for (; i < end; i++) {
-            unsigned int codeword, codewordlen;
-#ifdef RLE
-            RLE_PRED_1_IMP;
-            RLE_PRED_2_IMP;
-            RLE_PRED_3_IMP;
-#endif
-            COMPRESS_ONE(r, i);
-            COMPRESS_ONE(g, i);
-            COMPRESS_ONE(b, i);
-        }
-        encoder->rgb_state.waitcnt = stopidx - end;
-
-        return;
-
-#ifdef RLE
-do_run:
-        run_index = i;
-        encoder->rgb_state.waitcnt = stopidx - i;
-        run_size = 0;
-
-        while (SAME_PIXEL(&cur_row[i], &cur_row[i - 1])) {
-            run_size++;
-            if (++i == end) {
-                encode_run(encoder, run_size);
-                return;
-            }
-        }
-        encode_run(encoder, run_size);
-        stopidx = i + encoder->rgb_state.waitcnt;
-#endif
-    }
-}
-
-static void FNAME(compress_row)(Encoder *encoder,
-                                const PIXEL * const prev_row,
-                                const PIXEL * const cur_row,
-                                unsigned int width)
-
-{
-    const unsigned int bpc = BPC;
-    const unsigned int bpc_mask = BPC_MASK;
-    unsigned int pos = 0;
-
-    while ((wmimax > (int)encoder->rgb_state.wmidx) && (encoder->rgb_state.wmileft <= width)) {
-        if (encoder->rgb_state.wmileft) {
-            FNAME(compress_row_seg)(encoder, pos, prev_row, cur_row,
-                                    pos + encoder->rgb_state.wmileft,
-                                    bppmask[encoder->rgb_state.wmidx],
-                                    bpc, bpc_mask);
-            width -= encoder->rgb_state.wmileft;
-            pos += encoder->rgb_state.wmileft;
-        }
-
-        encoder->rgb_state.wmidx++;
-        set_wm_trigger(&encoder->rgb_state);
-        encoder->rgb_state.wmileft = wminext;
-    }
-
-    if (width) {
-        FNAME(compress_row_seg)(encoder, pos, prev_row, cur_row, pos + width,
-                                bppmask[encoder->rgb_state.wmidx], bpc, bpc_mask);
-        if (wmimax > (int)encoder->rgb_state.wmidx) {
-            encoder->rgb_state.wmileft -= width;
-        }
-    }
-
-    ASSERT(encoder->usr, (int)encoder->rgb_state.wmidx <= wmimax);
-    ASSERT(encoder->usr, encoder->rgb_state.wmidx <= 32);
-    ASSERT(encoder->usr, wminext > 0);
-}
-
-#endif
-
-#define UNCOMPRESS_ONE_ROW0_0(channel)                                                          \
-    correlate_row_##channel[0] = (BYTE)golomb_decoding(find_bucket(channel_##channel,           \
-                                                       correlate_row_##channel[-1])->bestcode,  \
-                                                       encoder->io_word, &codewordlen);         \
-    SET_##channel(&cur_row[0], (BYTE)family.xlatL2U[correlate_row_##channel[0]]);               \
-    decode_eatbits(encoder, codewordlen);
-
-#define UNCOMPRESS_ONE_ROW0(channel)                                                              \
-    correlate_row_##channel[i] = (BYTE)golomb_decoding(find_bucket(channel_##channel,             \
-                                                       correlate_row_##channel[i - 1])->bestcode, \
-                                                       encoder->io_word,                          \
-                                                       &codewordlen);                             \
-    SET_##channel(&cur_row[i], CORELATE_0(channel, &cur_row[i], correlate_row_##channel[i],       \
-                  bpc_mask));                                                                     \
-    decode_eatbits(encoder, codewordlen);
-
-static void FNAME(uncompress_row0_seg)(Encoder *encoder, int i,
-                                       PIXEL * const cur_row,
-                                       const int end,
-                                       const unsigned int waitmask,
-                                       const unsigned int bpc,
-                                       const unsigned int bpc_mask)
-{
-    Channel * const channel_r = encoder->channels;
-    Channel * const channel_g = channel_r + 1;
-    Channel * const channel_b = channel_g + 1;
-
-    BYTE * const correlate_row_r = channel_r->correlate_row;
-    BYTE * const correlate_row_g = channel_g->correlate_row;
-    BYTE * const correlate_row_b = channel_b->correlate_row;
-    int stopidx;
-
-    ASSERT(encoder->usr, end - i > 0);
-
-    if (!i) {
-        unsigned int codewordlen;
-
-        UNCOMPRESS_PIX_START(&cur_row[i]);
-        UNCOMPRESS_ONE_ROW0_0(r);
-        UNCOMPRESS_ONE_ROW0_0(g);
-        UNCOMPRESS_ONE_ROW0_0(b);
-
-        if (encoder->rgb_state.waitcnt) {
-            --encoder->rgb_state.waitcnt;
-        } else {
-            encoder->rgb_state.waitcnt = (tabrand(&encoder->rgb_state.tabrand_seed) & waitmask);
-            UPDATE_MODEL(0);
-        }
-        stopidx = ++i + encoder->rgb_state.waitcnt;
-    } else {
-        stopidx = i + encoder->rgb_state.waitcnt;
-    }
-
-    while (stopidx < end) {
-        for (; i <= stopidx; i++) {
-            unsigned int codewordlen;
-
-            UNCOMPRESS_PIX_START(&cur_row[i]);
-            UNCOMPRESS_ONE_ROW0(r);
-            UNCOMPRESS_ONE_ROW0(g);
-            UNCOMPRESS_ONE_ROW0(b);
-        }
-        UPDATE_MODEL(stopidx);
-        stopidx = i + (tabrand(&encoder->rgb_state.tabrand_seed) & waitmask);
-    }
-
-    for (; i < end; i++) {
-        unsigned int codewordlen;
-
-        UNCOMPRESS_PIX_START(&cur_row[i]);
-        UNCOMPRESS_ONE_ROW0(r);
-        UNCOMPRESS_ONE_ROW0(g);
-        UNCOMPRESS_ONE_ROW0(b);
-    }
-    encoder->rgb_state.waitcnt = stopidx - end;
-}
-
-static void FNAME(uncompress_row0)(Encoder *encoder,
-                                   PIXEL * const cur_row,
-                                   unsigned int width)
-
-{
-    const unsigned int bpc = BPC;
-    const unsigned int bpc_mask = BPC_MASK;
-    unsigned int pos = 0;
-
-    while ((wmimax > (int)encoder->rgb_state.wmidx) && (encoder->rgb_state.wmileft <= width)) {
-        if (encoder->rgb_state.wmileft) {
-            FNAME(uncompress_row0_seg)(encoder, pos, cur_row,
-                                       pos + encoder->rgb_state.wmileft,
-                                       bppmask[encoder->rgb_state.wmidx],
-                                       bpc, bpc_mask);
-            pos += encoder->rgb_state.wmileft;
-            width -= encoder->rgb_state.wmileft;
-        }
-
-        encoder->rgb_state.wmidx++;
-        set_wm_trigger(&encoder->rgb_state);
-        encoder->rgb_state.wmileft = wminext;
-    }
-
-    if (width) {
-        FNAME(uncompress_row0_seg)(encoder, pos, cur_row, pos + width,
-                                   bppmask[encoder->rgb_state.wmidx], bpc, bpc_mask);
-        if (wmimax > (int)encoder->rgb_state.wmidx) {
-            encoder->rgb_state.wmileft -= width;
-        }
-    }
-
-    ASSERT(encoder->usr, (int)encoder->rgb_state.wmidx <= wmimax);
-    ASSERT(encoder->usr, encoder->rgb_state.wmidx <= 32);
-    ASSERT(encoder->usr, wminext > 0);
-}
-
-#define UNCOMPRESS_ONE_0(channel) \
-    correlate_row_##channel[0] = (BYTE)golomb_decoding(find_bucket(channel_##channel,           \
-                                                       correlate_row_##channel[-1])->bestcode,  \
-                                                       encoder->io_word, &codewordlen);         \
-    SET_##channel(&cur_row[0], (family.xlatL2U[correlate_row_##channel[0]] +                    \
-                          GET_##channel(prev_row)) & bpc_mask);                                 \
-    decode_eatbits(encoder, codewordlen);
-
-#define UNCOMPRESS_ONE(channel)                                                                   \
-    correlate_row_##channel[i] = (BYTE)golomb_decoding(find_bucket(channel_##channel,             \
-                                                       correlate_row_##channel[i - 1])->bestcode, \
-                                                       encoder->io_word,                          \
-                                                       &codewordlen);                             \
-    CORELATE(channel, &prev_row[i], &cur_row[i], correlate_row_##channel[i], bpc_mask,            \
-             &cur_row[i]);                                                                        \
-    decode_eatbits(encoder, codewordlen);
-
-static void FNAME(uncompress_row_seg)(Encoder *encoder,
-                                      const PIXEL * const prev_row,
-                                      PIXEL * const cur_row,
-                                      int i,
-                                      const int end,
-                                      const unsigned int bpc,
-                                      const unsigned int bpc_mask)
-{
-    Channel * const channel_r = encoder->channels;
-    Channel * const channel_g = channel_r + 1;
-    Channel * const channel_b = channel_g + 1;
-
-    BYTE * const correlate_row_r = channel_r->correlate_row;
-    BYTE * const correlate_row_g = channel_g->correlate_row;
-    BYTE * const correlate_row_b = channel_b->correlate_row;
-    const unsigned int waitmask = bppmask[encoder->rgb_state.wmidx];
-    int stopidx;
-#ifdef RLE
-    int run_index = 0;
-    int run_end;
-#endif
-
-    ASSERT(encoder->usr, end - i > 0);
-
-    if (!i) {
-        unsigned int codewordlen;
-
-        UNCOMPRESS_PIX_START(&cur_row[i]);
-        UNCOMPRESS_ONE_0(r);
-        UNCOMPRESS_ONE_0(g);
-        UNCOMPRESS_ONE_0(b);
-
-        if (encoder->rgb_state.waitcnt) {
-            --encoder->rgb_state.waitcnt;
-        } else {
-            encoder->rgb_state.waitcnt = (tabrand(&encoder->rgb_state.tabrand_seed) & waitmask);
-            UPDATE_MODEL(0);
-        }
-        stopidx = ++i + encoder->rgb_state.waitcnt;
-    } else {
-        stopidx = i + encoder->rgb_state.waitcnt;
-    }
-    for (;;) {
-        while (stopidx < end) {
-            for (; i <= stopidx; i++) {
-                unsigned int codewordlen;
-#ifdef RLE
-                RLE_PRED_1_IMP;
-                RLE_PRED_2_IMP;
-                RLE_PRED_3_IMP;
-#endif
-                UNCOMPRESS_PIX_START(&cur_row[i]);
-                UNCOMPRESS_ONE(r);
-                UNCOMPRESS_ONE(g);
-                UNCOMPRESS_ONE(b);
-            }
-
-            UPDATE_MODEL(stopidx);
-
-            stopidx = i + (tabrand(&encoder->rgb_state.tabrand_seed) & waitmask);
-        }
-
-        for (; i < end; i++) {
-            unsigned int codewordlen;
-#ifdef RLE
-            RLE_PRED_1_IMP;
-            RLE_PRED_2_IMP;
-            RLE_PRED_3_IMP;
-#endif
-            UNCOMPRESS_PIX_START(&cur_row[i]);
-            UNCOMPRESS_ONE(r);
-            UNCOMPRESS_ONE(g);
-            UNCOMPRESS_ONE(b);
-        }
-
-        encoder->rgb_state.waitcnt = stopidx - end;
-
-        return;
-
-#ifdef RLE
-do_run:
-        encoder->rgb_state.waitcnt = stopidx - i;
-        run_index = i;
-        run_end = i + decode_run(encoder);
-
-        for (; i < run_end; i++) {
-            UNCOMPRESS_PIX_START(&cur_row[i]);
-            SET_r(&cur_row[i], GET_r(&cur_row[i - 1]));
-            SET_g(&cur_row[i], GET_g(&cur_row[i - 1]));
-            SET_b(&cur_row[i], GET_b(&cur_row[i - 1]));
-        }
-
-        if (i == end) {
-            return;
-        }
-
-        stopidx = i + encoder->rgb_state.waitcnt;
-#endif
-    }
-}
-
-static void FNAME(uncompress_row)(Encoder *encoder,
-                                  const PIXEL * const prev_row,
-                                  PIXEL * const cur_row,
-                                  unsigned int width)
-
-{
-    const unsigned int bpc = BPC;
-    const unsigned int bpc_mask = BPC_MASK;
-    unsigned int pos = 0;
-
-    while ((wmimax > (int)encoder->rgb_state.wmidx) && (encoder->rgb_state.wmileft <= width)) {
-        if (encoder->rgb_state.wmileft) {
-            FNAME(uncompress_row_seg)(encoder, prev_row, cur_row, pos,
-                                      pos + encoder->rgb_state.wmileft, bpc, bpc_mask);
-            pos += encoder->rgb_state.wmileft;
-            width -= encoder->rgb_state.wmileft;
-        }
-
-        encoder->rgb_state.wmidx++;
-        set_wm_trigger(&encoder->rgb_state);
-        encoder->rgb_state.wmileft = wminext;
-    }
-
-    if (width) {
-        FNAME(uncompress_row_seg)(encoder, prev_row, cur_row, pos,
-                                  pos + width, bpc, bpc_mask);
-        if (wmimax > (int)encoder->rgb_state.wmidx) {
-            encoder->rgb_state.wmileft -= width;
-        }
-    }
-
-    ASSERT(encoder->usr, (int)encoder->rgb_state.wmidx <= wmimax);
-    ASSERT(encoder->usr, encoder->rgb_state.wmidx <= 32);
-    ASSERT(encoder->usr, wminext > 0);
-}
-
-#undef PIXEL
-#undef FNAME
-#undef _PIXEL_A
-#undef _PIXEL_B
-#undef _PIXEL_C
-#undef SAME_PIXEL
-#undef RLE_PRED_1_IMP
-#undef RLE_PRED_2_IMP
-#undef RLE_PRED_3_IMP
-#undef UPDATE_MODEL
-#undef DECORELATE_0
-#undef DECORELATE
-#undef COMPRESS_ONE_ROW0_0
-#undef COMPRESS_ONE_ROW0
-#undef COMPRESS_ONE_0
-#undef COMPRESS_ONE
-#undef CORELATE_0
-#undef CORELATE
-#undef UNCOMPRESS_ONE_ROW0_0
-#undef UNCOMPRESS_ONE_ROW0
-#undef UNCOMPRESS_ONE_0
-#undef UNCOMPRESS_ONE
-#undef golomb_coding
-#undef golomb_decoding
-#undef update_model
-#undef find_bucket
-#undef family
-#undef BPC
-#undef BPC_MASK
-#undef COMPRESS_IMP
-#undef SET_r
-#undef GET_r
-#undef SET_g
-#undef GET_g
-#undef SET_b
-#undef GET_b
-#undef UNCOMPRESS_PIX_START

quic_tmpl.c

@@ -1,635 +0,0 @@
-/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
-/*
-   Copyright (C) 2009 Red Hat, Inc.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifdef ONE_BYTE
-#undef ONE_BYTE
-#define FNAME(name) quic_one_##name
-#define PIXEL one_byte_t
-#endif
-
-#ifdef THREE_BYTE
-#undef THREE_BYTE
-#define FNAME(name) quic_three_##name
-#define PIXEL three_bytes_t
-#endif
-
-#ifdef FOUR_BYTE
-#undef FOUR_BYTE
-#define FNAME(name) quic_four_##name
-#define PIXEL four_bytes_t
-#endif
-
-#define golomb_coding golomb_coding_8bpc
-#define golomb_decoding golomb_decoding_8bpc
-#define update_model update_model_8bpc
-#define find_bucket find_bucket_8bpc
-#define family family_8bpc
-
-#define BPC 8
-#define BPC_MASK 0xffU
-
-#define _PIXEL_A ((unsigned int)curr[-1].a)
-#define _PIXEL_B ((unsigned int)prev[0].a)
-#define _PIXEL_C ((unsigned int)prev[-1].a)
-
-#ifdef RLE_PRED_1
-#define RLE_PRED_1_IMP                                                              \
-if (cur_row[i - 1].a == prev_row[i].a) {                                            \
-    if (run_index != i && prev_row[i - 1].a == prev_row[i].a &&                     \
-                        i + 1 < end && prev_row[i].a == prev_row[i + 1].a) {        \
-        goto do_run;                                                                \
-    }                                                                               \
-}
-#else
-#define RLE_PRED_1_IMP
-#endif
-
-#ifdef RLE_PRED_2
-#define RLE_PRED_2_IMP                                                     \
-if (prev_row[i - 1].a == prev_row[i].a) {                                  \
-    if (run_index != i && i > 2 && cur_row[i - 1].a == cur_row[i - 2].a) { \
-        goto do_run;                                                       \
-    }                                                                      \
-}
-#else
-#define RLE_PRED_2_IMP
-#endif
-
-#ifdef RLE_PRED_3
-#define RLE_PRED_3_IMP                                                  \
-if (i > 1 && cur_row[i - 1].a == cur_row[i - 2].a && i != run_index) {  \
-    goto do_run;                                                        \
-}
-#else
-#define RLE_PRED_3_IMP
-#endif
-
-/*  a  */
-static INLINE BYTE FNAME(decorelate_0)(const PIXEL * const curr, const unsigned int bpc_mask)
-{
-    return family.xlatU2L[(unsigned)((int)curr[0].a - (int)_PIXEL_A) & bpc_mask];
-}
-
-static INLINE void FNAME(corelate_0)(PIXEL *curr, const BYTE corelate,
-                                     const unsigned int bpc_mask)
-{
-    curr->a = (family.xlatL2U[corelate] + _PIXEL_A) & bpc_mask;
-}
-
-#ifdef PRED_1
-
-/*  (a+b)/2  */
-static INLINE BYTE FNAME(decorelate)(const PIXEL *const prev, const PIXEL * const curr,
-                                     const unsigned int bpc_mask)
-{
-    return family.xlatU2L[(unsigned)((int)curr->a - (int)((_PIXEL_A + _PIXEL_B) >> 1)) & bpc_mask];
-}
-
-
-static INLINE void FNAME(corelate)(const PIXEL *prev, PIXEL *curr, const BYTE corelate,
-                                   const unsigned int bpc_mask)
-{
-    curr->a = (family.xlatL2U[corelate] + (int)((_PIXEL_A + _PIXEL_B) >> 1)) & bpc_mask;
-}
-
-#endif
-
-#ifdef PRED_2
-
-/*  .75a+.75b-.5c  */
-static INLINE BYTE FNAME(decorelate)(const PIXEL *const prev, const PIXEL * const curr,
-                                     const unsigned int bpc_mask)
-{
-    int p = ((int)(3 * (_PIXEL_A + _PIXEL_B)) - (int)(_PIXEL_C << 1)) >> 2;
-
-    if (p < 0) {
-        p = 0;
-    } else if ((unsigned)p > bpc_mask) {
-        p = bpc_mask;
-    }
-
-    {
-        return family.xlatU2L[(unsigned)((int)curr->a - p) & bpc_mask];
-    }
-}
-
-static INLINE void FNAME(corelate)(const PIXEL *prev, PIXEL *curr, const BYTE corelate,
-                                   const unsigned int bpc_mask)
-{
-    const int p = ((int)(3 * (_PIXEL_A + _PIXEL_B)) - (int)(_PIXEL_C << 1)) >> 2;
-    const unsigned int s = family.xlatL2U[corelate];
-
-    if (!(p & ~bpc_mask)) {
-        curr->a = (s + (unsigned)p) & bpc_mask;
-    } else if (p < 0) {
-        curr->a = s;
-    } else {
-        curr->a = (s + bpc_mask) & bpc_mask;
-    }
-}
-
-#endif
-
-static void FNAME(compress_row0_seg)(Encoder *encoder, Channel *channel, int i,
-                                     const PIXEL * const cur_row,
-                                     const int end,
-                                     const unsigned int waitmask,
-                                     const unsigned int bpc,
-                                     const unsigned int bpc_mask)
-{
-    BYTE * const decorelate_drow = channel->correlate_row;
-    int stopidx;
-
-    ASSERT(encoder->usr, end - i > 0);
-
-    if (i == 0) {
-        unsigned int codeword, codewordlen;
-
-        decorelate_drow[0] = family.xlatU2L[cur_row->a];
-        golomb_coding(decorelate_drow[0], find_bucket(channel, decorelate_drow[-1])->bestcode,
-                      &codeword, &codewordlen);
-        encode(encoder, codeword, codewordlen);
-
-        if (channel->state.waitcnt) {
-            channel->state.waitcnt--;
-        } else {
-            channel->state.waitcnt = (tabrand(&channel->state.tabrand_seed) & waitmask);
-            update_model(&channel->state, find_bucket(channel, decorelate_drow[-1]),
-                         decorelate_drow[i], bpc);
-        }
-        stopidx = ++i + channel->state.waitcnt;
-    } else {
-        stopidx = i + channel->state.waitcnt;
-    }
-
-    while (stopidx < end) {
-        for (; i <= stopidx; i++) {
-            unsigned int codeword, codewordlen;
-            decorelate_drow[i] = FNAME(decorelate_0)(&cur_row[i], bpc_mask);
-            golomb_coding(decorelate_drow[i],
-                          find_bucket(channel, decorelate_drow[i - 1])->bestcode, &codeword,
-                          &codewordlen);
-            encode(encoder, codeword, codewordlen);
-        }
-
-        update_model(&channel->state, find_bucket(channel, decorelate_drow[stopidx - 1]),
-                     decorelate_drow[stopidx], bpc);
-        stopidx = i + (tabrand(&channel->state.tabrand_seed) & waitmask);
-    }
-
-    for (; i < end; i++) {
-        unsigned int codeword, codewordlen;
-        decorelate_drow[i] = FNAME(decorelate_0)(&cur_row[i], bpc_mask);
-        golomb_coding(decorelate_drow[i], find_bucket(channel, decorelate_drow[i - 1])->bestcode,
-                      &codeword, &codewordlen);
-        encode(encoder, codeword, codewordlen);
-    }
-    channel->state.waitcnt = stopidx - end;
-}
-
-static void FNAME(compress_row0)(Encoder *encoder, Channel *channel, const PIXEL *cur_row,
-                                 unsigned int width)
-{
-    const unsigned int bpc = BPC;
-    const unsigned int bpc_mask = BPC_MASK;
-    int pos = 0;
-
-    while ((wmimax > (int)channel->state.wmidx) && (channel->state.wmileft <= width)) {
-        if (channel->state.wmileft) {
-            FNAME(compress_row0_seg)(encoder, channel, pos, cur_row, pos + channel->state.wmileft,
-                                     bppmask[channel->state.wmidx], bpc, bpc_mask);
-            width -= channel->state.wmileft;
-            pos += channel->state.wmileft;
-        }
-
-        channel->state.wmidx++;
-        set_wm_trigger(&channel->state);
-        channel->state.wmileft = wminext;
-    }
-
-    if (width) {
-        FNAME(compress_row0_seg)(encoder, channel, pos, cur_row, pos + width,
-                                 bppmask[channel->state.wmidx], bpc, bpc_mask);
-        if (wmimax > (int)channel->state.wmidx) {
-            channel->state.wmileft -= width;
-        }
-    }
-
-    ASSERT(encoder->usr, (int)channel->state.wmidx <= wmimax);
-    ASSERT(encoder->usr, channel->state.wmidx <= 32);
-    ASSERT(encoder->usr, wminext > 0);
-}
-
-static void FNAME(compress_row_seg)(Encoder *encoder, Channel *channel, int i,
-                                    const PIXEL * const prev_row,
-                                    const PIXEL * const cur_row,
-                                    const int end,
-                                    const unsigned int waitmask,
-                                    const unsigned int bpc,
-                                    const unsigned int bpc_mask)
-{
-    BYTE * const decorelate_drow = channel->correlate_row;
-    int stopidx;
-#ifdef RLE
-    int run_index = 0;
-    int run_size;
-#endif
-
-    ASSERT(encoder->usr, end - i > 0);
-
-    if (!i) {
-        unsigned int codeword, codewordlen;
-
-        decorelate_drow[0] = family.xlatU2L[(unsigned)((int)cur_row->a -
-                                                       (int)prev_row->a) & bpc_mask];
-
-        golomb_coding(decorelate_drow[0],
-                      find_bucket(channel, decorelate_drow[-1])->bestcode,
-                      &codeword,
-                      &codewordlen);
-        encode(encoder, codeword, codewordlen);
-
-        if (channel->state.waitcnt) {
-            channel->state.waitcnt--;
-        } else {
-            channel->state.waitcnt = (tabrand(&channel->state.tabrand_seed) & waitmask);
-            update_model(&channel->state, find_bucket(channel, decorelate_drow[-1]),
-                         decorelate_drow[0], bpc);
-        }
-        stopidx = ++i + channel->state.waitcnt;
-    } else {
-        stopidx = i + channel->state.waitcnt;
-    }
-    for (;;) {
-        while (stopidx < end) {
-            for (; i <= stopidx; i++) {
-                unsigned int codeword, codewordlen;
-#ifdef RLE
-                RLE_PRED_1_IMP;
-                RLE_PRED_2_IMP;
-                RLE_PRED_3_IMP;
-#endif
-                decorelate_drow[i] = FNAME(decorelate)(&prev_row[i], &cur_row[i], bpc_mask);
-                golomb_coding(decorelate_drow[i],
-                              find_bucket(channel, decorelate_drow[i - 1])->bestcode, &codeword,
-                              &codewordlen);
-                encode(encoder, codeword, codewordlen);
-            }
-
-            update_model(&channel->state, find_bucket(channel, decorelate_drow[stopidx - 1]),
-                         decorelate_drow[stopidx], bpc);
-            stopidx = i + (tabrand(&channel->state.tabrand_seed) & waitmask);
-        }
-
-        for (; i < end; i++) {
-            unsigned int codeword, codewordlen;
-#ifdef RLE
-            RLE_PRED_1_IMP;
-            RLE_PRED_2_IMP;
-            RLE_PRED_3_IMP;
-#endif
-            decorelate_drow[i] = FNAME(decorelate)(&prev_row[i], &cur_row[i], bpc_mask);
-            golomb_coding(decorelate_drow[i], find_bucket(channel,
-                                                          decorelate_drow[i - 1])->bestcode,
-                          &codeword, &codewordlen);
-            encode(encoder, codeword, codewordlen);
-        }
-        channel->state.waitcnt = stopidx - end;
-
-        return;
-
-#ifdef RLE
-do_run:
-        run_index = i;
-        channel->state.waitcnt = stopidx - i;
-        run_size = 0;
-
-        while (cur_row[i].a == cur_row[i - 1].a) {
-            run_size++;
-            if (++i == end) {
-#ifdef RLE_STAT
-                encode_channel_run(encoder, channel, run_size);
-#else
-                encode_run(encoder, run_size);
-#endif
-                return;
-            }
-        }
-#ifdef RLE_STAT
-        encode_channel_run(encoder, channel, run_size);
-#else
-        encode_run(encoder, run_size);
-#endif
-        stopidx = i + channel->state.waitcnt;
-#endif
-    }
-}
-
-static void FNAME(compress_row)(Encoder *encoder, Channel *channel,
-                                const PIXEL * const prev_row,
-                                const PIXEL * const cur_row,
-                                unsigned int width)
-
-{
-    const unsigned int bpc = BPC;
-    const unsigned int bpc_mask = BPC_MASK;
-    unsigned int pos = 0;
-
-    while ((wmimax > (int)channel->state.wmidx) && (channel->state.wmileft <= width)) {
-        if (channel->state.wmileft) {
-            FNAME(compress_row_seg)(encoder, channel, pos, prev_row, cur_row,
-                                    pos + channel->state.wmileft, bppmask[channel->state.wmidx],
-                                    bpc, bpc_mask);
-            width -= channel->state.wmileft;
-            pos += channel->state.wmileft;
-        }
-
-        channel->state.wmidx++;
-        set_wm_trigger(&channel->state);
-        channel->state.wmileft = wminext;
-    }
-
-    if (width) {
-        FNAME(compress_row_seg)(encoder, channel, pos, prev_row, cur_row, pos + width,
-                                bppmask[channel->state.wmidx], bpc, bpc_mask);
-        if (wmimax > (int)channel->state.wmidx) {
-            channel->state.wmileft -= width;
-        }
-    }
-
-    ASSERT(encoder->usr, (int)channel->state.wmidx <= wmimax);
-    ASSERT(encoder->usr, channel->state.wmidx <= 32);
-    ASSERT(encoder->usr, wminext > 0);
-}
-
-static void FNAME(uncompress_row0_seg)(Encoder *encoder, Channel *channel, int i,
-                                       BYTE * const correlate_row,
-                                       PIXEL * const cur_row,
-                                       const int end,
-                                       const unsigned int waitmask,
-                                       const unsigned int bpc,
-                                       const unsigned int bpc_mask)
-{
-    int stopidx;
-
-    ASSERT(encoder->usr, end - i > 0);
-
-    if (i == 0) {
-        unsigned int codewordlen;
-
-        correlate_row[0] = (BYTE)golomb_decoding(find_bucket(channel,
-                                                             correlate_row[-1])->bestcode,
-                                                 encoder->io_word, &codewordlen);
-        cur_row[0].a = (BYTE)family.xlatL2U[correlate_row[0]];
-        decode_eatbits(encoder, codewordlen);
-
-        if (channel->state.waitcnt) {
-            --channel->state.waitcnt;
-        } else {
-            channel->state.waitcnt = (tabrand(&channel->state.tabrand_seed) & waitmask);
-            update_model(&channel->state, find_bucket(channel, correlate_row[-1]),
-                         correlate_row[0], bpc);
-        }
-        stopidx = ++i + channel->state.waitcnt;
-    } else {
-        stopidx = i + channel->state.waitcnt;
-    }
-
-    while (stopidx < end) {
-        struct s_bucket * pbucket = NULL;
-
-        for (; i <= stopidx; i++) {
-            unsigned int codewordlen;
-
-            pbucket = find_bucket(channel, correlate_row[i - 1]);
-            correlate_row[i] = (BYTE)golomb_decoding(pbucket->bestcode, encoder->io_word,
-                                                     &codewordlen);
-            FNAME(corelate_0)(&cur_row[i], correlate_row[i], bpc_mask);
-            decode_eatbits(encoder, codewordlen);
-        }
-
-        update_model(&channel->state, pbucket, correlate_row[stopidx], bpc);
-
-        stopidx = i + (tabrand(&channel->state.tabrand_seed) & waitmask);
-    }
-
-    for (; i < end; i++) {
-        unsigned int codewordlen;
-
-        correlate_row[i] = (BYTE)golomb_decoding(find_bucket(channel,
-                                                             correlate_row[i - 1])->bestcode,
-                                                 encoder->io_word, &codewordlen);
-        FNAME(corelate_0)(&cur_row[i], correlate_row[i], bpc_mask);
-        decode_eatbits(encoder, codewordlen);
-    }
-    channel->state.waitcnt = stopidx - end;
-}
-
-static void FNAME(uncompress_row0)(Encoder *encoder, Channel *channel,
-                                   PIXEL * const cur_row,
-                                   unsigned int width)
-
-{
-    const unsigned int bpc = BPC;
-    const unsigned int bpc_mask = BPC_MASK;
-    BYTE * const correlate_row = channel->correlate_row;
-    unsigned int pos = 0;
-
-    while ((wmimax > (int)channel->state.wmidx) && (channel->state.wmileft <= width)) {
-        if (channel->state.wmileft) {
-            FNAME(uncompress_row0_seg)(encoder, channel, pos, correlate_row, cur_row,
-                                       pos + channel->state.wmileft, bppmask[channel->state.wmidx],
-                                       bpc, bpc_mask);
-            pos += channel->state.wmileft;
-            width -= channel->state.wmileft;
-        }
-
-        channel->state.wmidx++;
-        set_wm_trigger(&channel->state);
-        channel->state.wmileft = wminext;
-    }
-
-    if (width) {
-        FNAME(uncompress_row0_seg)(encoder, channel, pos, correlate_row, cur_row, pos + width,
-                                   bppmask[channel->state.wmidx], bpc, bpc_mask);
-        if (wmimax > (int)channel->state.wmidx) {
-            channel->state.wmileft -= width;
-        }
-    }
-
-    ASSERT(encoder->usr, (int)channel->state.wmidx <= wmimax);
-    ASSERT(encoder->usr, channel->state.wmidx <= 32);
-    ASSERT(encoder->usr, wminext > 0);
-}
-
-static void FNAME(uncompress_row_seg)(Encoder *encoder, Channel *channel,
-                                      BYTE *correlate_row,
-                                      const PIXEL * const prev_row,
-                                      PIXEL * const cur_row,
-                                      int i,
-                                      const int end,
-                                      const unsigned int bpc,
-                                      const unsigned int bpc_mask)
-{
-    const unsigned int waitmask = bppmask[channel->state.wmidx];
-    int stopidx;
-#ifdef RLE
-    int run_index = 0;
-    int run_end;
-#endif
-
-    ASSERT(encoder->usr, end - i > 0);
-
-    if (i == 0) {
-        unsigned int codewordlen;
-
-        correlate_row[0] = (BYTE)golomb_decoding(find_bucket(channel, correlate_row[-1])->bestcode,
-                                                             encoder->io_word, &codewordlen);
-        cur_row[0].a = (family.xlatL2U[correlate_row[0]] + prev_row[0].a) & bpc_mask;
-        decode_eatbits(encoder, codewordlen);
-
-        if (channel->state.waitcnt) {
-            --channel->state.waitcnt;
-        } else {
-            channel->state.waitcnt = (tabrand(&channel->state.tabrand_seed) & waitmask);
-            update_model(&channel->state, find_bucket(channel, correlate_row[-1]),
-                         correlate_row[0], bpc);
-        }
-        stopidx = ++i + channel->state.waitcnt;
-    } else {
-        stopidx = i + channel->state.waitcnt;
-    }
-    for (;;) {
-        while (stopidx < end) {
-            struct s_bucket * pbucket = NULL;
-
-            for (; i <= stopidx; i++) {
-                unsigned int codewordlen;
-#ifdef RLE
-                RLE_PRED_1_IMP;
-                RLE_PRED_2_IMP;
-                RLE_PRED_3_IMP;
-#endif
-                pbucket = find_bucket(channel, correlate_row[i - 1]);
-                correlate_row[i] = (BYTE)golomb_decoding(pbucket->bestcode, encoder->io_word,
-                                                         &codewordlen);
-                FNAME(corelate)(&prev_row[i], &cur_row[i], correlate_row[i], bpc_mask);
-                decode_eatbits(encoder, codewordlen);
-            }
-
-            update_model(&channel->state, pbucket, correlate_row[stopidx], bpc);
-
-            stopidx = i + (tabrand(&channel->state.tabrand_seed) & waitmask);
-        }
-
-        for (; i < end; i++) {
-            unsigned int codewordlen;
-#ifdef RLE
-            RLE_PRED_1_IMP;
-            RLE_PRED_2_IMP;
-            RLE_PRED_3_IMP;
-#endif
-            correlate_row[i] = (BYTE)golomb_decoding(find_bucket(channel,
-                                                                 correlate_row[i - 1])->bestcode,
-                                                     encoder->io_word, &codewordlen);
-            FNAME(corelate)(&prev_row[i], &cur_row[i], correlate_row[i], bpc_mask);
-            decode_eatbits(encoder, codewordlen);
-        }
-
-        channel->state.waitcnt = stopidx - end;
-
-        return;
-
-#ifdef RLE
-do_run:
-        channel->state.waitcnt = stopidx - i;
-        run_index = i;
-#ifdef RLE_STAT
-        run_end = i + decode_channel_run(encoder, channel);
-#else
-        run_end = i + decode_run(encoder);
-#endif
-
-        for (; i < run_end; i++) {
-            cur_row[i].a = cur_row[i - 1].a;
-        }
-
-        if (i == end) {
-            return;
-        }
-
-        stopidx = i + channel->state.waitcnt;
-#endif
-    }
-}
-
-static void FNAME(uncompress_row)(Encoder *encoder, Channel *channel,
-                                  const PIXEL * const prev_row,
-                                  PIXEL * const cur_row,
-                                  unsigned int width)
-
-{
-    const unsigned int bpc = BPC;
-    const unsigned int bpc_mask = BPC_MASK;
-    BYTE * const correlate_row = channel->correlate_row;
-    unsigned int pos = 0;
-
-    while ((wmimax > (int)channel->state.wmidx) && (channel->state.wmileft <= width)) {
-        if (channel->state.wmileft) {
-            FNAME(uncompress_row_seg)(encoder, channel, correlate_row, prev_row, cur_row, pos,
-                                      pos + channel->state.wmileft, bpc, bpc_mask);
-            pos += channel->state.wmileft;
-            width -= channel->state.wmileft;
-        }
-
-        channel->state.wmidx++;
-        set_wm_trigger(&channel->state);
-        channel->state.wmileft = wminext;
-    }
-
-    if (width) {
-        FNAME(uncompress_row_seg)(encoder, channel, correlate_row, prev_row, cur_row, pos,
-                                  pos + width, bpc, bpc_mask);
-        if (wmimax > (int)channel->state.wmidx) {
-            channel->state.wmileft -= width;
-        }
-    }
-
-    ASSERT(encoder->usr, (int)channel->state.wmidx <= wmimax);
-    ASSERT(encoder->usr, channel->state.wmidx <= 32);
-    ASSERT(encoder->usr, wminext > 0);
-}
-
-#undef PIXEL
-#undef FNAME
-#undef _PIXEL_A
-#undef _PIXEL_B
-#undef _PIXEL_C
-#undef RLE_PRED_1_IMP
-#undef RLE_PRED_2_IMP
-#undef RLE_PRED_3_IMP
-#undef golomb_coding
-#undef golomb_deoding
-#undef update_model
-#undef find_bucket
-#undef family
-#undef BPC
-#undef BPC_MASK

spice_codegen.py

@@ -0,0 +1,366 @@
+#!/usr/bin/env python
+
+import os
+import sys
+from optparse import OptionParser
+import traceback
+from python_modules import spice_parser
+from python_modules import ptypes
+from python_modules import codegen
+from python_modules import demarshal
+from python_modules import marshal
+
+
+def write_channel_enums(writer, channel, client, describe):
+    messages = list(filter(lambda m : m.channel == channel, \
+                               channel.client_messages if client else channel.server_messages))
+    if len(messages) == 0:
+        return
+    if client:
+        prefix = [ "MSGC" ]
+    else:
+        prefix = [ "MSG" ]
+    if channel.member_name:
+        prefix.append(channel.member_name.upper())
+    if not describe:
+        writer.begin_block("enum")
+    else:
+        writer.begin_block("static const value_string %s_vs[] = " % (codegen.prefix_underscore_lower(*[x.lower() for x in prefix])))
+    i = 0
+    prefix.append(None) # To be replaced with name
+    for m in messages:
+        prefix[-1] = m.name.upper()
+        enum = codegen.prefix_underscore_upper(*prefix)
+        if describe:
+            writer.writeln("{ %s, \"%s %s\" }," % (enum, "Client" if client else "Server", m.name.upper()))
+        else:
+            if m.value == i:
+                writer.writeln("%s," % enum)
+                i = i + 1
+            else:
+                writer.writeln("%s = %s," % (enum, m.value))
+                i = m.value + 1
+    if describe:
+        writer.writeln("{ 0, NULL }");
+    else:
+        if channel.member_name:
+            prefix[-1] = prefix[-2]
+            prefix[-2] = "END"
+            writer.newline()
+            writer.writeln("%s" % (codegen.prefix_underscore_upper(*prefix)))
+    writer.end_block(semicolon=True)
+    writer.newline()
+
+def write_channel_type_enum(writer, describe=False):
+    i = 0
+    if describe:
+        writer.begin_block("static const value_string channel_types_vs[] =")
+    else:
+        writer.begin_block("enum")
+    for c in proto.channels:
+        enum = codegen.prefix_underscore_upper("CHANNEL", c.name.upper())
+        if describe:
+            writer.writeln("{ %s, \"%s\" }," % (enum, c.name.upper()))
+        else:
+            if c.value == i:
+                writer.writeln("%s," % enum)
+                i = i + 1
+            else:
+                writer.writeln("%s = %s," % (enum, c.value))
+                i = c.value + 1
+    writer.newline()
+    if describe:
+        writer.writeln("{ 0, NULL }")
+    else:
+        writer.writeln("SPICE_END_CHANNEL")
+    writer.end_block(semicolon=True)
+    writer.newline()
+
+
+def write_enums(writer, describe=False):
+    writer.writeln("#ifndef _H_SPICE_ENUMS")
+    writer.writeln("#define _H_SPICE_ENUMS")
+    writer.newline()
+
+    # Define enums
+    for t in ptypes.get_named_types():
+        if isinstance(t, ptypes.EnumBaseType):
+            t.c_define(writer)
+            if describe:
+                t.c_describe(writer)
+
+    write_channel_type_enum(writer)
+    if (describe):
+        write_channel_type_enum(writer, True)
+
+    for c in ptypes.get_named_types():
+        if not isinstance(c, ptypes.ChannelType):
+            continue
+        write_channel_enums(writer, c, False, False)
+        if describe:
+            write_channel_enums(writer, c, False, describe)
+        write_channel_enums(writer, c, True, False)
+        if describe:
+            write_channel_enums(writer, c, True, describe)
+
+    writer.writeln("#endif /* _H_SPICE_ENUMS */")
+
+def write_content(dest_file, content, keep_identical_file):
+    if keep_identical_file:
+        try:
+            with open(dest_file, 'rb') as f:
+                old_content = f.read()
+
+            if content == old_content:
+                print("No changes to %s" % dest_file)
+                return
+
+        except IOError:
+            pass
+
+    with open(dest_file, 'wb') as f:
+        f.write(bytes(content, 'UTF-8'))
+
+    print("Wrote %s" % dest_file)
+
+
+parser = OptionParser(usage="usage: %prog [options] <protocol_file> <destination file>")
+parser.add_option("-e", "--generate-enums",
+                  action="store_true", dest="generate_enums", default=False,
+                  help="Generate enums")
+parser.add_option("-w", "--generate-wireshark-dissector",
+                  action="store_true", dest="generate_dissector", default=False,
+                  help="Generate Wireshark dissector definitions")
+parser.add_option("-d", "--generate-demarshallers",
+                  action="store_true", dest="generate_demarshallers", default=False,
+                  help="Generate demarshallers")
+parser.add_option("-m", "--generate-marshallers",
+                  action="store_true", dest="generate_marshallers", default=False,
+                  help="Generate message marshallers")
+parser.add_option("-P", "--private-marshallers",
+                  action="store_true", dest="private_marshallers", default=False,
+                  help="Generate private message marshallers")
+parser.add_option("-M", "--generate-struct-marshaller",
+                  action="append", dest="struct_marshallers",
+                  help="Generate struct marshallers")
+parser.add_option("-a", "--assert-on-error",
+                  action="store_true", dest="assert_on_error", default=False,
+                  help="Assert on error")
+parser.add_option("-H", "--header",
+                  action="store_true", dest="header", default=False,
+                  help="Generate header")
+parser.add_option("-p", "--print-error",
+                  action="store_true", dest="print_error", default=False,
+                  help="Print errors")
+parser.add_option("-s", "--server",
+                  action="store_true", dest="server", default=False,
+                  help="Print errors")
+parser.add_option("-c", "--client",
+                  action="store_true", dest="client", default=False,
+                  help="Print errors")
+parser.add_option("-k", "--keep-identical-file",
+                  action="store_true", dest="keep_identical_file", default=False,
+                  help="Print errors")
+parser.add_option("-i", "--include",
+                  action="append", dest="includes", metavar="FILE",
+                  help="Include FILE in generated code")
+parser.add_option("--suffix", dest="suffix",
+                  help="set public symbol suffix", default="")
+parser.add_option("--license", dest="license",
+                  help="license to use for generated file(s) (LGPL/BSD)", default="LGPL")
+parser.add_option("--generate-header",
+                  action="store_true", dest="generate_header", default=False,
+                  help="Generate also the header")
+parser.add_option("--generated-declaration-file", dest="generated_declaration_file", metavar="FILE",
+                  help="Name of the file to generate declarations")
+
+(options, args) = parser.parse_args()
+
+if len(args) == 0:
+    parser.error("No protocol file specified")
+
+if len(args) == 1:
+    parser.error("No destination file specified")
+
+proto_file = args[0]
+dest_file = args[1]
+proto = spice_parser.parse(proto_file)
+
+if proto == None:
+    exit(1)
+
+codegen.set_prefix(proto.name)
+writer = codegen.CodeWriter()
+writer.header = codegen.CodeWriter()
+if options.generate_header:
+    filename = os.path.splitext(dest_file)[0] + '.h'
+    writer.header.set_option("dest_file", filename)
+else:
+    writer.header.set_option("dest_file", dest_file)
+writer.set_option("source", os.path.basename(proto_file))
+
+if options.license == "LGPL":
+    license = """/*
+  Copyright (C) 2013 Red Hat, Inc.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+"""
+elif options.license == "BSD":
+    license = """/*
+   Copyright (C) 2013 Red Hat, Inc.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+
+       * Redistributions of source code must retain the above copyright
+         notice, this list of conditions and the following disclaimer.
+       * Redistributions in binary form must reproduce the above copyright
+         notice, this list of conditions and the following disclaimer in
+         the documentation and/or other materials provided with the
+         distribution.
+       * Neither the name of the copyright holder nor the names of its
+         contributors may be used to endorse or promote products derived
+         from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
+   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+   PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+"""
+else:
+    print("Invalid license specified: %s" % options.license, file=sys.stderr)
+    sys.exit(1)
+
+all_structures = {}
+def generate_declaration(t, writer_top):
+    writer = codegen.CodeWriter()
+    try:
+        c_type = t.c_type()
+        t.generate_c_declaration(writer)
+        value = writer.getvalue().strip()
+        if not value:
+            return
+        if c_type in all_structures:
+            assert all_structures[c_type] == value, """Structure %s redefinition
+previous:
+%s
+---
+current:
+%s
+---""" % (c_type, all_structures[c_type], value)
+        else:
+            all_structures[c_type] = value
+            t.generate_c_declaration(writer_top)
+    except:
+        print('type %s' % t, file=sys.stderr)
+        print(writer.getvalue(), file=sys.stderr)
+        traceback.print_exc(file=sys.stderr)
+        sys.exit(1)
+
+def generate_declarations():
+    writer = codegen.CodeWriter()
+    writer.public_suffix = options.suffix
+    writer.write(license)
+
+    # all types
+    for t in ptypes.get_named_types():
+        if isinstance(t, ptypes.StructType):
+            generate_declaration(t, writer)
+        if isinstance(t, ptypes.ChannelType):
+            for m in t.client_messages + t.server_messages:
+                generate_declaration(m.message_type, writer)
+
+    content = writer.getvalue()
+    write_content(options.generated_declaration_file, content,
+                  options.keep_identical_file)
+
+if options.generated_declaration_file:
+    generate_declarations()
+
+writer.public_suffix = options.suffix
+
+writer.writeln("/* this is a file autogenerated by spice_codegen.py */")
+writer.write(license)
+writer.header.writeln("/* this is a file autogenerated by spice_codegen.py */")
+writer.header.write(license)
+if not options.generate_enums:
+    writer.writeln("#include <config.h>")
+
+if options.assert_on_error:
+    writer.set_option("assert_on_error")
+
+if options.print_error:
+    writer.set_option("print_error")
+
+if options.includes:
+    for i in options.includes:
+        writer.header.writeln('#include "%s"' % i)
+        writer.writeln('#include "%s"' % i)
+
+if options.generate_enums or options.generate_dissector:
+    write_enums(writer, options.generate_dissector)
+
+if options.generate_demarshallers:
+    if not options.server and not options.client:
+        print("Must specify client and/or server", file=sys.stderr)
+        sys.exit(1)
+    demarshal.write_includes(writer)
+
+    if options.server:
+        demarshal.write_protocol_parser(writer, proto, False)
+    if options.client:
+        demarshal.write_protocol_parser(writer, proto, True)
+
+if options.generate_marshallers or (options.struct_marshallers and len(options.struct_marshallers) > 0):
+    marshal.write_includes(writer)
+
+if options.generate_marshallers:
+    if not options.server and not options.client:
+        print("Must specify client and/or server", file=sys.stderr)
+        sys.exit(1)
+    if options.server:
+        marshal.write_protocol_marshaller(writer, proto, False, options.private_marshallers)
+    if options.client:
+        marshal.write_protocol_marshaller(writer, proto, True, options.private_marshallers)
+
+if options.struct_marshallers:
+    for structname in options.struct_marshallers:
+        t = ptypes.lookup_type(structname)
+        marshal.write_marshal_ptr_function(writer, t, False)
+
+if options.generate_marshallers or (options.struct_marshallers and len(options.struct_marshallers) > 0):
+    marshal.write_trailer(writer)
+
+if options.header:
+    content = writer.header.getvalue()
+else:
+    content = writer.getvalue()
+write_content(dest_file, content, options.keep_identical_file)
+if options.generate_header:
+    content = writer.header.getvalue()
+    filename = writer.header.options["dest_file"]
+    write_content(filename, content, options.keep_identical_file)
+sys.exit(0)