mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
synced 2025-12-26 06:32:44 +00:00
4f94e844d7
Signed-off-by: Qiang Yu <yuq825@gmail.com> Acked-by: Frediano Ziglio <freddy77@gmail.com>
170 lines
8.3 KiB
C++
170 lines
8.3 KiB
C++
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2009-2015 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 DCC_H_
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#define DCC_H_
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#include <array>
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#include "image-encoders.h"
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#include "image-cache.h"
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#include "pixmap-cache.h"
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#include "display-limits.h"
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#include "common-graphics-channel.h"
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#include "utils.hpp"
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#include "push-visibility.h"
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struct DisplayChannel;
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struct DisplayChannelClientPrivate;
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class DisplayChannelClient final: public CommonGraphicsChannelClient
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{
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protected:
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~DisplayChannelClient();
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public:
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DisplayChannelClient(DisplayChannel *display,
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RedClient *client, RedStream *stream,
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RedChannelCapabilities *caps,
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uint32_t id,
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SpiceImageCompression image_compression,
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spice_wan_compression_t jpeg_state,
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spice_wan_compression_t zlib_glz_state);
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virtual void disconnect() override;
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bool is_gl_client()
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{
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return red_stream_is_plain_unix(get_stream()) &&
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(test_remote_cap(SPICE_DISPLAY_CAP_GL_SCANOUT) ||
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test_remote_cap(SPICE_DISPLAY_CAP_GL_SCANOUT2));
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}
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protected:
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virtual bool handle_message(uint16_t type, uint32_t size, void *msg) override;
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virtual bool config_socket() override;
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virtual void on_disconnect() override;
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virtual void send_item(RedPipeItem *item) override;
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virtual bool handle_migrate_data(uint32_t size, void *message) override;
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virtual void migrate() override;
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virtual void handle_migrate_flush_mark() override;
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virtual bool handle_migrate_data_get_serial(uint32_t size, void *message, uint64_t &serial) override;
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public:
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red::unique_link<DisplayChannelClientPrivate> priv;
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int is_low_bandwidth;
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};
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#define PALETTE_CACHE_HASH_SHIFT 8
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#define PALETTE_CACHE_HASH_SIZE (1 << PALETTE_CACHE_HASH_SHIFT)
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#define PALETTE_CACHE_HASH_MASK (PALETTE_CACHE_HASH_SIZE - 1)
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#define PALETTE_CACHE_HASH_KEY(id) ((id) & PALETTE_CACHE_HASH_MASK)
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#define CLIENT_PALETTE_CACHE_SIZE 128
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#define DISPLAY_CLIENT_MIGRATE_DATA_TIMEOUT (NSEC_PER_SEC * 10)
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#define DISPLAY_CLIENT_RETRY_INTERVAL 10000 //micro
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/* Each drawable can refer to at most 3 images: src, brush and mask */
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#define MAX_DRAWABLE_PIXMAP_CACHE_ITEMS 3
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#define WIDE_CLIENT_ACK_WINDOW 40
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#define NARROW_CLIENT_ACK_WINDOW 20
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#define MAX_PIPE_SIZE 50
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struct DisplayChannel;
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struct VideoStream;
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struct VideoStreamAgent;
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struct RedSurface;
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struct WaitForChannels {
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SpiceMsgWaitForChannels header;
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std::array<SpiceWaitForChannel, MAX_CACHE_CLIENTS> buf;
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};
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struct FreeList {
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int res_size;
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SpiceResourceList *res;
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uint64_t sync[MAX_CACHE_CLIENTS];
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WaitForChannels wait;
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};
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#define DCC_TO_DC(dcc) ((DisplayChannel*) dcc->get_channel())
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DisplayChannelClient* dcc_new (DisplayChannel *display,
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RedClient *client,
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RedStream *stream,
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int mig_target,
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RedChannelCapabilities *caps,
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SpiceImageCompression image_compression,
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spice_wan_compression_t jpeg_state,
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spice_wan_compression_t zlib_glz_state);
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void dcc_start (DisplayChannelClient *dcc);
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bool dcc_handle_migrate_data (DisplayChannelClient *dcc,
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uint32_t size, void *message);
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void dcc_push_monitors_config (DisplayChannelClient *dcc);
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void dcc_destroy_surface (DisplayChannelClient *dcc,
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uint32_t surface_id);
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void dcc_video_stream_agent_clip (DisplayChannelClient* dcc,
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VideoStreamAgent *agent);
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void dcc_create_stream (DisplayChannelClient *dcc,
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VideoStream *stream);
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void dcc_palette_cache_reset (DisplayChannelClient *dcc);
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void dcc_palette_cache_palette (DisplayChannelClient *dcc,
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SpicePalette *palette,
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uint8_t *flags);
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bool dcc_pixmap_cache_unlocked_add (DisplayChannelClient *dcc,
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uint64_t id, uint32_t size, int lossy);
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void dcc_prepend_drawable (DisplayChannelClient *dcc,
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Drawable *drawable);
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void dcc_append_drawable (DisplayChannelClient *dcc,
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Drawable *drawable);
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void dcc_add_drawable_after (DisplayChannelClient *dcc,
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Drawable *drawable,
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RedPipeItem *pos);
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bool dcc_drawable_is_in_pipe (DisplayChannelClient *dcc,
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Drawable *drawable);
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int dcc_compress_image (DisplayChannelClient *dcc,
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SpiceImage *dest, SpiceBitmap *src, Drawable *drawable,
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int can_lossy,
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compress_send_data_t* o_comp_data);
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void dcc_create_surface(DisplayChannelClient *dcc, struct RedSurface *surface);
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void dcc_push_surface_image(DisplayChannelClient *dcc, struct RedSurface *surface);
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bool dcc_clear_surface_drawables_from_pipe(DisplayChannelClient *dcc,
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RedSurface *surface, bool wait_if_used);
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void dcc_add_surface_area_image(DisplayChannelClient *dcc, RedSurface *surface,
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SpiceRect *area, RedChannelClient::Pipe::iterator pipe_item_pos,
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int can_lossy);
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RedPipeItemPtr dcc_gl_scanout_item_new(RedChannelClient *rcc, void *data, int num);
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RedPipeItemPtr dcc_gl_draw_item_new(RedChannelClient *rcc, void *data, int num);
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VideoStreamAgent *dcc_get_video_stream_agent(DisplayChannelClient *dcc, int stream_id);
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ImageEncoders *dcc_get_encoders(DisplayChannelClient *dcc);
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spice_wan_compression_t dcc_get_jpeg_state (DisplayChannelClient *dcc);
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spice_wan_compression_t dcc_get_zlib_glz_state (DisplayChannelClient *dcc);
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uint64_t dcc_get_max_stream_bit_rate(DisplayChannelClient *dcc);
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void dcc_set_max_stream_bit_rate(DisplayChannelClient *dcc, uint64_t rate);
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gboolean dcc_is_low_bandwidth(DisplayChannelClient *dcc);
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GArray *dcc_get_preferred_video_codecs_for_encoding(DisplayChannelClient *dcc);
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void dcc_video_codecs_update(DisplayChannelClient *dcc);
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#include "pop-visibility.h"
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#endif /* DCC_H_ */
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