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/* -*- 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 <glib-object.h>
#include "image-encoders.h"
#include "image-cache.h"
#include "pixmap-cache.h"
#include "display-limits.h"
#include "common-graphics-channel.h"
G_BEGIN_DECLS
#define TYPE_DISPLAY_CHANNEL_CLIENT display_channel_client_get_type()
#define DISPLAY_CHANNEL_CLIENT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), TYPE_DISPLAY_CHANNEL_CLIENT, DisplayChannelClient))
#define DISPLAY_CHANNEL_CLIENT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), TYPE_DISPLAY_CHANNEL_CLIENT, DisplayChannelClientClass))
#define IS_DISPLAY_CHANNEL_CLIENT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), TYPE_DISPLAY_CHANNEL_CLIENT))
#define IS_DISPLAY_CHANNEL_CLIENT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), TYPE_DISPLAY_CHANNEL_CLIENT))
#define DISPLAY_CHANNEL_CLIENT_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), TYPE_DISPLAY_CHANNEL_CLIENT, DisplayChannelClientClass))
typedef struct DisplayChannelClient DisplayChannelClient;
typedef struct DisplayChannelClientClass DisplayChannelClientClass;
typedef struct DisplayChannelClientPrivate DisplayChannelClientPrivate;
struct DisplayChannelClient {
CommonGraphicsChannelClient parent;
int is_low_bandwidth;
DisplayChannelClientPrivate *priv;
};
struct DisplayChannelClientClass {
CommonGraphicsChannelClientClass parent_class;
};
GType display_channel_client_get_type(void) G_GNUC_CONST;
#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
typedef struct DisplayChannel DisplayChannel;
typedef struct VideoStream VideoStream;
typedef struct StreamAgent StreamAgent;
typedef struct WaitForChannels {
SpiceMsgWaitForChannels header;
SpiceWaitForChannel buf[MAX_CACHE_CLIENTS];
} WaitForChannels;
typedef struct FreeList {
int res_size;
SpiceResourceList *res;
uint64_t sync[MAX_CACHE_CLIENTS];
WaitForChannels wait;
} FreeList;
#define DCC_TO_DC(dcc) ((DisplayChannel*)red_channel_client_get_channel((RedChannelClient*)dcc))
typedef struct RedSurfaceCreateItem {
RedPipeItem pipe_item;
SpiceMsgSurfaceCreate surface_create;
} RedSurfaceCreateItem;
typedef struct RedGlScanoutUnixItem {
RedPipeItem base;
} RedGlScanoutUnixItem;
typedef struct RedGlDrawItem {
RedPipeItem base;
SpiceMsgDisplayGlDraw draw;
} RedGlDrawItem;
typedef struct RedImageItem {
RedPipeItem base;
SpicePoint pos;
int width;
int height;
int stride;
int top_down;
int surface_id;
int image_format;
uint32_t image_flags;
int can_lossy;
uint8_t data[0];
} RedImageItem;
typedef struct RedDrawablePipeItem {
RedPipeItem dpi_pipe_item; /* link for the client's pipe itself */
Drawable *drawable;
DisplayChannelClient *dcc;
} RedDrawablePipeItem;
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_message (RedChannelClient *rcc,
uint16_t type,
uint32_t size, void *msg);
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_stream_agent_clip (DisplayChannelClient* dcc,
StreamAgent *agent);
void dcc_create_stream (DisplayChannelClient *dcc,
VideoStream *stream);
void dcc_create_surface (DisplayChannelClient *dcc,
int surface_id);
void dcc_push_surface_image (DisplayChannelClient *dcc,
int surface_id);
RedImageItem * dcc_add_surface_area_image (DisplayChannelClient *dcc,
int surface_id,
SpiceRect *area,
GList *pipe_item_pos,
int can_lossy);
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);
void dcc_send_item (RedChannelClient *dcc,
RedPipeItem *item);
bool dcc_clear_surface_drawables_from_pipe (DisplayChannelClient *dcc,
int surface_id,
int wait_if_used);
bool dcc_drawable_is_in_pipe (DisplayChannelClient *dcc,
Drawable *drawable);
RedPipeItem * dcc_gl_scanout_item_new (RedChannelClient *rcc,
void *data, int num);
RedPipeItem * dcc_gl_draw_item_new (RedChannelClient *rcc,
void *data, int num);
int dcc_compress_image (DisplayChannelClient *dcc,
SpiceImage *dest, SpiceBitmap *src, Drawable *drawable,
int can_lossy,
compress_send_data_t* o_comp_data);
StreamAgent * dcc_get_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);
G_END_DECLS
#endif /* DCC_H_ */
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