mirror of https://github.com/mpv-player/mpv
100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <unistd.h>
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#include "config.h"
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#include "../version.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 "aviheader.h"
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#include "ms_hdr.h"
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#include "bswap.h"
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#include "muxer.h"
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static muxer_stream_t* rawvideofile_new_stream(muxer_t *muxer,int type){
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muxer_stream_t* s;
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if (!muxer) return NULL;
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if (type == MUXER_TYPE_AUDIO) {
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printf("Rawvideo muxer does not support audio !\n");
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return NULL;
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}
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if(muxer->avih.dwStreams>=1){
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printf("Too many streams! Rawvideo muxer supports only one video stream !\n");
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return NULL;
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}
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s=malloc(sizeof(muxer_stream_t));
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memset(s,0,sizeof(muxer_stream_t));
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if(!s) return NULL; // no mem!?
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muxer->streams[muxer->avih.dwStreams]=s;
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s->type=type;
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s->id=muxer->avih.dwStreams;
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s->timer=0.0;
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s->size=0;
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s->muxer=muxer;
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switch(type){
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case MUXER_TYPE_VIDEO:
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s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c');
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s->h.fccType=streamtypeVIDEO;
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if(!muxer->def_v) muxer->def_v=s;
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break;
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default:
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printf("WarninG! unknown stream type: %d\n",type);
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return NULL;
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}
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muxer->avih.dwStreams++;
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return s;
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}
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static void write_rawvideo_chunk(FILE *f,int len,void* data){
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if(len>0){
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if(data){
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// DATA
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fwrite(data,len,1,f);
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}
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}
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}
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static void rawvideofile_write_chunk(muxer_stream_t *s,size_t len,unsigned int flags){
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muxer_t *muxer=s->muxer;
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// write out the chunk:
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write_rawvideo_chunk(muxer->file,len,s->buffer); /* unsigned char */
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// alter counters:
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if(s->h.dwSampleSize){
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// CBR
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s->h.dwLength+=len/s->h.dwSampleSize;
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if(len%s->h.dwSampleSize) printf("Warning! len isn't divisable by samplesize!\n");
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} else {
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// VBR
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s->h.dwLength++;
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}
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s->timer=(double)s->h.dwLength*s->h.dwScale/s->h.dwRate;
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s->size+=len;
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// if((unsigned int)len>s->h.dwSuggestedBufferSize) s->h.dwSuggestedBufferSize=len;
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}
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static void rawvideofile_write_header(muxer_t *muxer){
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return;
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}
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static void rawvideofile_write_index(muxer_t *muxer){
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return;
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}
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int muxer_init_muxer_rawvideo(muxer_t *muxer){
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muxer->cont_new_stream = &rawvideofile_new_stream;
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muxer->cont_write_chunk = &rawvideofile_write_chunk;
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muxer->cont_write_header = &rawvideofile_write_header;
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muxer->cont_write_index = &rawvideofile_write_index;
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return 1;
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}
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