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https://gitlab.uni-freiburg.de/opensourcevdi/spice
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6c1a518539
Ensure an initial draw is sent immediately upon client connection if the DMA-BUF video encoder is in use. Without this, a frame would only be pushed when the screen content changes and the GPU renders a new frame—which could take a while, causing delays for the client. GStreamer now receives a duplicated file descriptor (fd) and takes responsibility for closing it. This guarantees the buffer remains available long enough. The previous fd mechanism is still retained to ensure a valid scanout buffer is always available for a new client.
75 lines
2.3 KiB
C++
75 lines
2.3 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_PRIVATE_H_
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#define DCC_PRIVATE_H_
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#include "cache-item.h"
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#include "dcc.h"
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#include "image-encoders.h"
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#include "video-stream.h"
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#include "red-channel-client.h"
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#include "push-visibility.h"
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struct DisplayChannelClientPrivate
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{
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SPICE_CXX_GLIB_ALLOCATOR
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uint32_t id = 0;
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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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ImageEncoders encoders;
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int expect_init = 0;
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PixmapCache *pixmap_cache = nullptr;
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uint32_t pixmap_cache_generation = 0;
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int pending_pixmaps_sync = 0;
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std::array<RedCacheItem *, PALETTE_CACHE_HASH_SIZE> palette_cache;
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Ring palette_cache_lru = { nullptr, nullptr };
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long palette_cache_available = CLIENT_PALETTE_CACHE_SIZE;
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struct {
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FreeList free_list;
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std::array<uint64_t, MAX_DRAWABLE_PIXMAP_CACHE_ITEMS> pixmap_cache_items;
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int num_pixmap_cache_items;
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} send_data;
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/* Host preferred video-codec order sorted with client preferred */
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GArray *preferred_video_codecs;
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/* Array with SPICE_VIDEO_CODEC_TYPE_ENUM_END elements, with the client
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* preference order (index) as value */
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GArray *client_preferred_video_codecs;
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std::array<bool, NUM_SURFACES> surface_client_created;
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std::array<QRegion, NUM_SURFACES> surface_client_lossy_region;
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std::array<VideoStreamAgent, NUM_STREAMS> stream_agents;
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uint64_t streams_max_bit_rate;
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bool gl_draw_ongoing;
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bool gl_initial_draw_ongoing = FALSE;
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};
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#include "pop-visibility.h"
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#endif /* DCC_PRIVATE_H_ */
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