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