1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/* -*- 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 "image-encoders.h"
#include "image-cache.h"
#include "pixmap-cache.h"
#include "display-limits.h"
#include "common-graphics-channel.h"
G_BEGIN_DECLS
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 bool config_socket() override;
virtual void on_disconnect() override;
DisplayChannelClientPrivate *priv = nullptr;
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;
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*) dcc->get_channel())
typedef struct RedSurfaceCreateItem {
RedPipeItem base;
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 base;
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_video_stream_agent_clip (DisplayChannelClient* dcc,
VideoStreamAgent *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);
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);
G_END_DECLS
#endif /* DCC_H_ */
|
