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
|
#include "../../include/capture/xcomposite_software.h"
#include <stdio.h>
#include <stdlib.h>
#include <libavutil/frame.h>
#include <libavcodec/avcodec.h>
typedef struct {
gsr_capture_xcomposite xcomposite;
} gsr_capture_xcomposite_software;
static void gsr_capture_xcomposite_software_stop(gsr_capture *cap, AVCodecContext *video_codec_context);
static int gsr_capture_xcomposite_software_start(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame *frame) {
gsr_capture_xcomposite_software *cap_xcomp = cap->priv;
const int res = gsr_capture_xcomposite_start(&cap_xcomp->xcomposite, video_codec_context, frame);
if(res != 0) {
gsr_capture_xcomposite_software_stop(cap, video_codec_context);
return res;
}
if(!gsr_capture_base_setup_textures(&cap_xcomp->xcomposite.base, frame, cap_xcomp->xcomposite.params.color_range, GSR_SOURCE_COLOR_RGB, false, false)) {
gsr_capture_xcomposite_software_stop(cap, video_codec_context);
return -1;
}
return 0;
}
static void gsr_capture_xcomposite_software_stop(gsr_capture *cap, AVCodecContext *video_codec_context) {
(void)video_codec_context;
gsr_capture_xcomposite_software *cap_xcomp = cap->priv;
gsr_capture_xcomposite_stop(&cap_xcomp->xcomposite);
}
static void gsr_capture_xcomposite_software_tick(gsr_capture *cap, AVCodecContext *video_codec_context) {
gsr_capture_xcomposite_software *cap_xcomp = cap->priv;
gsr_capture_xcomposite_tick(&cap_xcomp->xcomposite, video_codec_context);
}
static bool gsr_capture_xcomposite_software_is_damaged(gsr_capture *cap) {
gsr_capture_xcomposite_software *cap_xcomp = cap->priv;
return gsr_capture_xcomposite_is_damaged(&cap_xcomp->xcomposite);
}
static void gsr_capture_xcomposite_software_clear_damage(gsr_capture *cap) {
gsr_capture_xcomposite_software *cap_xcomp = cap->priv;
gsr_capture_xcomposite_clear_damage(&cap_xcomp->xcomposite);
}
static bool gsr_capture_xcomposite_software_should_stop(gsr_capture *cap, bool *err) {
gsr_capture_xcomposite_software *cap_xcomp = cap->priv;
return gsr_capture_xcomposite_should_stop(&cap_xcomp->xcomposite, err);
}
static int gsr_capture_xcomposite_software_capture(gsr_capture *cap, AVFrame *frame) {
gsr_capture_xcomposite_software *cap_xcomp = cap->priv;
gsr_capture_xcomposite_capture(&cap_xcomp->xcomposite, frame);
const unsigned int formats[2] = { GL_RED, GL_RG };
for(int i = 0; i < 2; ++i) {
cap_xcomp->xcomposite.params.egl->glBindTexture(GL_TEXTURE_2D, cap_xcomp->xcomposite.base.target_textures[i]);
cap_xcomp->xcomposite.params.egl->glGetTexImage(GL_TEXTURE_2D, 0, formats[i], GL_UNSIGNED_BYTE, frame->data[i]);
}
cap_xcomp->xcomposite.params.egl->glBindTexture(GL_TEXTURE_2D, 0);
cap_xcomp->xcomposite.params.egl->eglSwapBuffers(cap_xcomp->xcomposite.params.egl->egl_display, cap_xcomp->xcomposite.params.egl->egl_surface);
return 0;
}
static void gsr_capture_xcomposite_software_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
if(cap->priv) {
gsr_capture_xcomposite_software_stop(cap, video_codec_context);
free(cap->priv);
cap->priv = NULL;
}
free(cap);
}
gsr_capture* gsr_capture_xcomposite_software_create(const gsr_capture_xcomposite_software_params *params) {
if(!params) {
fprintf(stderr, "gsr error: gsr_capture_xcomposite_software_create params is NULL\n");
return NULL;
}
gsr_capture *cap = calloc(1, sizeof(gsr_capture));
if(!cap)
return NULL;
gsr_capture_xcomposite_software *cap_xcomp = calloc(1, sizeof(gsr_capture_xcomposite_software));
if(!cap_xcomp) {
free(cap);
return NULL;
}
gsr_capture_xcomposite_init(&cap_xcomp->xcomposite, ¶ms->base);
*cap = (gsr_capture) {
.start = gsr_capture_xcomposite_software_start,
.tick = gsr_capture_xcomposite_software_tick,
.is_damaged = gsr_capture_xcomposite_software_is_damaged,
.clear_damage = gsr_capture_xcomposite_software_clear_damage,
.should_stop = gsr_capture_xcomposite_software_should_stop,
.capture = gsr_capture_xcomposite_software_capture,
.capture_end = NULL,
.destroy = gsr_capture_xcomposite_software_destroy,
.priv = cap_xcomp
};
return cap;
}
|
