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https://gitlab.uni-freiburg.de/opensourcevdi/spice-common
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258123318d
The error functions are supposed to not return. Using the attribute documents that in the interface, and is better for the compiler because most noreturn-related optimizations and spurious warning eliminations happen at the call site. Signed-off-by: Christophe de Dinechin <dinechin@redhat.com> Acked-by: Frediano Ziglio <fziglio@redhat.com>
70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2009 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __QUIC_H
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#define __QUIC_H
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#include <spice/macros.h>
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#include "quic_config.h"
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#include "macros.h"
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SPICE_BEGIN_DECLS
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typedef enum {
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QUIC_IMAGE_TYPE_INVALID,
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QUIC_IMAGE_TYPE_GRAY,
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QUIC_IMAGE_TYPE_RGB16,
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QUIC_IMAGE_TYPE_RGB24,
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QUIC_IMAGE_TYPE_RGB32,
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QUIC_IMAGE_TYPE_RGBA
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} QuicImageType;
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#define QUIC_ERROR -1
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#define QUIC_OK 0
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typedef void *QuicContext;
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typedef struct QuicUsrContext QuicUsrContext;
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struct QuicUsrContext {
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SPICE_ATTR_NORETURN
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SPICE_ATTR_PRINTF(2, 3) void (*error)(QuicUsrContext *usr, const char *fmt, ...);
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SPICE_ATTR_PRINTF(2, 3) void (*warn)(QuicUsrContext *usr, const char *fmt, ...);
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SPICE_ATTR_PRINTF(2, 3) void (*info)(QuicUsrContext *usr, const char *fmt, ...);
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void *(*malloc)(QuicUsrContext *usr, int size);
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void (*free)(QuicUsrContext *usr, void *ptr);
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int (*more_space)(QuicUsrContext *usr, uint32_t **io_ptr, int rows_completed);
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int (*more_lines)(QuicUsrContext *usr, uint8_t **lines); // on return the last line of previous
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// lines bunch must still be valid
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};
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int quic_encode(QuicContext *quic, QuicImageType type, int width, int height,
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uint8_t *lines, unsigned int num_lines, int stride,
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uint32_t *io_ptr, unsigned int num_io_words);
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int quic_decode_begin(QuicContext *quic, uint32_t *io_ptr, unsigned int num_io_words,
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QuicImageType *type, int *width, int *height);
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int quic_decode(QuicContext *quic, QuicImageType type, uint8_t *buf, int stride);
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QuicContext *quic_create(QuicUsrContext *usr);
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void quic_destroy(QuicContext *quic);
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SPICE_END_DECLS
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#endif
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