mirror of https://github.com/mpv-player/mpv
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "help_mp.h"
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#include "mp_msg.h"
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#include "aviheader.h"
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#include "ms_hdr.h"
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#include "muxer.h"
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static muxer_stream_t* rawaudiofile_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 && muxer->avih.dwStreams>=1){
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mp_msg(MSGT_MUXER,MSGL_ERR,MSGTR_TooManyStreams" "MSGTR_RawMuxerOnlyOneStream);
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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_AUDIO:
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s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c');
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s->h.fccType=streamtypeAUDIO;
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muxer->avih.dwStreams++;
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break;
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case MUXER_TYPE_VIDEO:
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mp_msg(MSGT_MUXER,MSGL_WARN,MSGTR_IgnoringVideoStream);
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s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c');
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s->h.fccType=streamtypeAUDIO;
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break;
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default:
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mp_msg(MSGT_MUXER,MSGL_ERR,MSGTR_UnknownStreamType,type);
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return NULL;
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}
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return s;
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}
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static void rawaudiofile_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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if (s->type==MUXER_TYPE_AUDIO)
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fwrite(s->buffer,len,1,muxer->file);
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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)
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mp_msg(MSGT_MUXER,MSGL_WARN,MSGTR_WarningLenIsntDivisible);
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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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}
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static void rawaudiofile_write_header(muxer_t *muxer){
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return;
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}
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static void rawaudiofile_write_index(muxer_t *muxer){
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return;
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}
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int muxer_init_muxer_rawaudio(muxer_t *muxer){
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muxer->cont_new_stream = &rawaudiofile_new_stream;
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muxer->cont_write_chunk = &rawaudiofile_write_chunk;
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muxer->cont_write_header = &rawaudiofile_write_header;
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muxer->cont_write_index = &rawaudiofile_write_index;
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return 1;
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}
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