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Diffstat (limited to 'server/dcc.h')
| -rw-r--r-- | server/dcc.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/server/dcc.h b/server/dcc.h new file mode 100644 index 00000000..a8dd3bef --- /dev/null +++ b/server/dcc.h @@ -0,0 +1,164 @@ +/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */ +/* + Copyright (C) 2009-2015 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/>. +*/ + +#ifndef DCC_H_ +#define DCC_H_ + +#include <array> + +#include "image-encoders.h" +#include "image-cache.h" +#include "pixmap-cache.h" +#include "display-limits.h" +#include "common-graphics-channel.h" +#include "utils.hpp" + +#include "push-visibility.h" + +struct DisplayChannel; +struct DisplayChannelClientPrivate; + +class DisplayChannelClient final: public CommonGraphicsChannelClient +{ +protected: + ~DisplayChannelClient(); +public: + DisplayChannelClient(DisplayChannel *display, + RedClient *client, RedStream *stream, + RedChannelCapabilities *caps, + uint32_t id, + SpiceImageCompression image_compression, + spice_wan_compression_t jpeg_state, + spice_wan_compression_t zlib_glz_state); + virtual void disconnect() override; + +protected: + virtual bool handle_message(uint16_t type, uint32_t size, void *msg) override; + virtual bool config_socket() override; + virtual void on_disconnect() override; + virtual void send_item(RedPipeItem *item) override; + virtual bool handle_migrate_data(uint32_t size, void *message) override; + virtual void migrate() override; + virtual void handle_migrate_flush_mark() override; + virtual bool handle_migrate_data_get_serial(uint32_t size, void *message, uint64_t &serial) override; + +public: + red::unique_link<DisplayChannelClientPrivate> priv; + + int is_low_bandwidth; +}; + +#define PALETTE_CACHE_HASH_SHIFT 8 +#define PALETTE_CACHE_HASH_SIZE (1 << PALETTE_CACHE_HASH_SHIFT) +#define PALETTE_CACHE_HASH_MASK (PALETTE_CACHE_HASH_SIZE - 1) +#define PALETTE_CACHE_HASH_KEY(id) ((id) & PALETTE_CACHE_HASH_MASK) +#define CLIENT_PALETTE_CACHE_SIZE 128 + +#define DISPLAY_CLIENT_MIGRATE_DATA_TIMEOUT (NSEC_PER_SEC * 10) +#define DISPLAY_CLIENT_RETRY_INTERVAL 10000 //micro + +/* Each drawable can refer to at most 3 images: src, brush and mask */ +#define MAX_DRAWABLE_PIXMAP_CACHE_ITEMS 3 + +#define WIDE_CLIENT_ACK_WINDOW 40 +#define NARROW_CLIENT_ACK_WINDOW 20 + +#define MAX_PIPE_SIZE 50 + +struct DisplayChannel; +struct VideoStream; +struct VideoStreamAgent; +struct RedSurface; + +struct WaitForChannels { + SpiceMsgWaitForChannels header; + std::array<SpiceWaitForChannel, MAX_CACHE_CLIENTS> buf; +}; + +struct FreeList { + int res_size; + SpiceResourceList *res; + uint64_t sync[MAX_CACHE_CLIENTS]; + WaitForChannels wait; +}; + +#define DCC_TO_DC(dcc) ((DisplayChannel*) dcc->get_channel()) + +DisplayChannelClient* dcc_new (DisplayChannel *display, + RedClient *client, + RedStream *stream, + int mig_target, + RedChannelCapabilities *caps, + SpiceImageCompression image_compression, + spice_wan_compression_t jpeg_state, + spice_wan_compression_t zlib_glz_state); +void dcc_start (DisplayChannelClient *dcc); +bool dcc_handle_migrate_data (DisplayChannelClient *dcc, + uint32_t size, void *message); +void dcc_push_monitors_config (DisplayChannelClient *dcc); +void dcc_destroy_surface (DisplayChannelClient *dcc, + uint32_t surface_id); +void dcc_video_stream_agent_clip (DisplayChannelClient* dcc, + VideoStreamAgent *agent); +void dcc_create_stream (DisplayChannelClient *dcc, + VideoStream *stream); +void dcc_palette_cache_reset (DisplayChannelClient *dcc); +void dcc_palette_cache_palette (DisplayChannelClient *dcc, + SpicePalette *palette, + uint8_t *flags); +bool dcc_pixmap_cache_unlocked_add (DisplayChannelClient *dcc, + uint64_t id, uint32_t size, int lossy); +void dcc_prepend_drawable (DisplayChannelClient *dcc, + Drawable *drawable); +void dcc_append_drawable (DisplayChannelClient *dcc, + Drawable *drawable); +void dcc_add_drawable_after (DisplayChannelClient *dcc, + Drawable *drawable, + RedPipeItem *pos); +bool dcc_drawable_is_in_pipe (DisplayChannelClient *dcc, + Drawable *drawable); + +int dcc_compress_image (DisplayChannelClient *dcc, + SpiceImage *dest, SpiceBitmap *src, Drawable *drawable, + int can_lossy, + compress_send_data_t* o_comp_data); + +void dcc_create_surface(DisplayChannelClient *dcc, struct RedSurface *surface); +void dcc_push_surface_image(DisplayChannelClient *dcc, struct RedSurface *surface); +bool dcc_clear_surface_drawables_from_pipe(DisplayChannelClient *dcc, + RedSurface *surface, bool wait_if_used); +void dcc_add_surface_area_image(DisplayChannelClient *dcc, RedSurface *surface, + SpiceRect *area, RedChannelClient::Pipe::iterator pipe_item_pos, + int can_lossy); +RedPipeItemPtr dcc_gl_scanout_item_new(RedChannelClient *rcc, void *data, int num); +RedPipeItemPtr dcc_gl_draw_item_new(RedChannelClient *rcc, void *data, int num); +VideoStreamAgent *dcc_get_video_stream_agent(DisplayChannelClient *dcc, int stream_id); +ImageEncoders *dcc_get_encoders(DisplayChannelClient *dcc); +spice_wan_compression_t dcc_get_jpeg_state (DisplayChannelClient *dcc); +spice_wan_compression_t dcc_get_zlib_glz_state (DisplayChannelClient *dcc); +uint32_t dcc_get_max_stream_latency(DisplayChannelClient *dcc); +void dcc_set_max_stream_latency(DisplayChannelClient *dcc, uint32_t latency); +uint64_t dcc_get_max_stream_bit_rate(DisplayChannelClient *dcc); +void dcc_set_max_stream_bit_rate(DisplayChannelClient *dcc, uint64_t rate); +gboolean dcc_is_low_bandwidth(DisplayChannelClient *dcc); +GArray *dcc_get_preferred_video_codecs_for_encoding(DisplayChannelClient *dcc); +void dcc_video_codecs_update(DisplayChannelClient *dcc); + +#include "pop-visibility.h" + +#endif /* DCC_H_ */ |