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
|
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "../m_option.h"
#include "../m_config.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "../libmpcodecs/img_format.h"
extern int demuxer_type;
static int format = IMGFMT_I420;
static int size_id = 0;
static int width = 0;
static int height = 0;
static float fps = 25;
static int imgsize=0;
config_t demux_rawvideo_opts[] = {
{ "on", &demuxer_type, CONF_TYPE_FLAG, 0,0, DEMUXER_TYPE_RAWVIDEO, NULL },
// size:
{ "w", &width, CONF_TYPE_INT,CONF_RANGE,1,8192, NULL },
{ "h", &height, CONF_TYPE_INT,CONF_RANGE,1,8192, NULL },
{ "sqcif", &size_id, CONF_TYPE_FLAG,0,0,1, NULL },
{ "qcif", &size_id, CONF_TYPE_FLAG,0,0,2, NULL },
{ "cif", &size_id, CONF_TYPE_FLAG,0,0,3, NULL },
{ "4cif", &size_id, CONF_TYPE_FLAG,0,0,4, NULL },
{ "pal", &size_id, CONF_TYPE_FLAG,0,0,5, NULL },
{ "ntsc", &size_id, CONF_TYPE_FLAG,0,0,6, NULL },
{ "16cif", &size_id, CONF_TYPE_FLAG,0,0,7, NULL },
{ "sif", &size_id, CONF_TYPE_FLAG,0,0,8, NULL },
// format:
{ "format", &format, CONF_TYPE_INT, 0, 0 , 0, NULL },
{ "y420", &format, CONF_TYPE_FLAG, 0, 0 , IMGFMT_I420, NULL },
{ "yv12", &format, CONF_TYPE_FLAG, 0, 0 , IMGFMT_YV12, NULL },
{ "yuy2", &format, CONF_TYPE_FLAG, 0, 0 , IMGFMT_YUY2, NULL },
{ "uyvy", &format, CONF_TYPE_FLAG, 0, 0 , IMGFMT_UYVY, NULL },
{ "y8", &format, CONF_TYPE_FLAG, 0, 0 , IMGFMT_Y8, NULL },
// misc:
{ "fps", &fps, CONF_TYPE_FLOAT,CONF_RANGE,0.001,1000, NULL },
{ "size", &imgsize, CONF_TYPE_INT, CONF_RANGE, 1 , 8192*8192*4, NULL },
{NULL, NULL, 0, 0, 0, 0, NULL}
};
int demux_rawvideo_open(demuxer_t* demuxer) {
sh_video_t* sh_video;
switch(size_id){
case 1: width=128; height=96; break;
case 2: width=176; height=144; break;
case 3: width=352; height=288; break;
case 4: width=704; height=576; break;
case 5: width=720; height=576; break;
case 6: width=720; height=480; break;
case 7: width=1408;height=1152;break;
case 8: width=352; height=240; break;
}
if(!width || !height){
mp_msg(MSGT_DEMUX,MSGL_ERR,"rawvideo: width or height not specified!\n");
return 0;
}
if(!imgsize)
switch(format){
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_YV12: imgsize=width*height+2*(width>>1)*(height>>1);break;
case IMGFMT_YUY2: imgsize=width*height*2;break;
case IMGFMT_UYVY: imgsize=width*height*2;break;
case IMGFMT_Y8: imgsize=width*height;break;
default:
mp_msg(MSGT_DEMUX,MSGL_ERR,"rawvideo: img size not specified and unknown format!\n");
return 0;
}
sh_video = new_sh_video(demuxer,0);
sh_video->format=format;
sh_video->fps=fps;
sh_video->frametime=1.0/fps;
sh_video->disp_w=width;
sh_video->disp_h=height;
sh_video->i_bps=fps*imgsize;
demuxer->movi_start = demuxer->stream->start_pos;
demuxer->movi_end = demuxer->stream->end_pos;
demuxer->video->sh = sh_video;
sh_video->ds = demuxer->video;
return 1;
}
int demux_rawvideo_fill_buffer(demuxer_t* demuxer, demux_stream_t *ds) {
sh_video_t* sh = demuxer->video->sh;
off_t pos;
if(demuxer->stream->eof) return 0;
if(ds!=demuxer->video) return 0;
pos = stream_tell(demuxer->stream);
ds_read_packet(ds,demuxer->stream,imgsize,(pos/imgsize)*sh->frametime,pos,0x10);
return 1;
}
void demux_rawvideo_seek(demuxer_t *demuxer,float rel_seek_secs,int flags){
stream_t* s = demuxer->stream;
sh_video_t* sh_video = demuxer->video->sh;
off_t pos;
pos = (flags & 1) ? demuxer->movi_start : stream_tell(s);
if(flags & 2)
pos += ((demuxer->movi_end - demuxer->movi_start)*rel_seek_secs);
else
pos += (rel_seek_secs*sh_video->i_bps);
if(pos < 0) pos = 0;
if(demuxer->movi_end && pos > demuxer->movi_end) pos = (demuxer->movi_end-imgsize);
pos/=imgsize;
stream_seek(s,pos*imgsize);
//sh_video->timer=pos * sh_video->frametime;
demuxer->video->pts = pos * sh_video->frametime;
// printf("demux_rawvideo: streamtell=%d\n",(int)stream_tell(demuxer->stream));
}
|
