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author | ranma <ranma@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2005-06-19 09:12:44 +0000 |
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committer | ranma <ranma@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2005-06-19 09:12:44 +0000 |
commit | 6ca97957674ba8130743305af4a51889b48fb575 (patch) | |
tree | 8134e127f619b82f3dd41404b94caee15c23f566 /libmpdemux/muxer_rawaudio.c | |
parent | 552ca496bccb0c16235bb2c720dfd774e613b569 (diff) | |
download | mpv-6ca97957674ba8130743305af4a51889b48fb575.tar.bz2 mpv-6ca97957674ba8130743305af4a51889b48fb575.tar.xz |
rawaudio muxer
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15755 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpdemux/muxer_rawaudio.c')
-rw-r--r-- | libmpdemux/muxer_rawaudio.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libmpdemux/muxer_rawaudio.c b/libmpdemux/muxer_rawaudio.c new file mode 100644 index 0000000000..86cb7b9d20 --- /dev/null +++ b/libmpdemux/muxer_rawaudio.c @@ -0,0 +1,82 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "help_mp.h" +#include "mp_msg.h" + +#include "aviheader.h" +#include "ms_hdr.h" + +#include "muxer.h" + +static muxer_stream_t* rawaudiofile_new_stream(muxer_t *muxer,int type){ + muxer_stream_t* s; + if (!muxer) return NULL; + if(type==MUXER_TYPE_AUDIO && muxer->avih.dwStreams>=1){ + mp_msg(MSGT_MUXER,MSGL_ERR,MSGTR_TooManyStreams" "MSGTR_RawMuxerOnlyOneStream); + return NULL; + } + s=malloc(sizeof(muxer_stream_t)); + memset(s,0,sizeof(muxer_stream_t)); + if(!s) return NULL; // no mem!? + muxer->streams[muxer->avih.dwStreams]=s; + s->type=type; + s->id=muxer->avih.dwStreams; + s->timer=0.0; + s->size=0; + s->muxer=muxer; + switch(type){ + case MUXER_TYPE_AUDIO: + s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c'); + s->h.fccType=streamtypeAUDIO; + muxer->avih.dwStreams++; + break; + case MUXER_TYPE_VIDEO: + mp_msg(MSGT_MUXER,MSGL_WARN,MSGTR_IgnoringVideoStream); + s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c'); + s->h.fccType=streamtypeAUDIO; + break; + default: + mp_msg(MSGT_MUXER,MSGL_ERR,MSGTR_UnknownStreamType,type); + return NULL; + } + return s; +} + +static void rawaudiofile_write_chunk(muxer_stream_t *s,size_t len,unsigned int flags){ + muxer_t *muxer=s->muxer; + + // write out the chunk: + if (s->type==MUXER_TYPE_AUDIO) + fwrite(s->buffer,len,1,muxer->file); + + // alter counters: + if(s->h.dwSampleSize){ + // CBR + s->h.dwLength+=len/s->h.dwSampleSize; + if(len%s->h.dwSampleSize) + mp_msg(MSGT_MUXER,MSGL_WARN,MSGTR_WarningLenIsntDivisible); + } else { + // VBR + s->h.dwLength++; + } + s->timer=(double)s->h.dwLength*s->h.dwScale/s->h.dwRate; + s->size+=len; +} + +static void rawaudiofile_write_header(muxer_t *muxer){ + return; +} + +static void rawaudiofile_write_index(muxer_t *muxer){ + return; +} + +int muxer_init_muxer_rawaudio(muxer_t *muxer){ + muxer->cont_new_stream = &rawaudiofile_new_stream; + muxer->cont_write_chunk = &rawaudiofile_write_chunk; + muxer->cont_write_header = &rawaudiofile_write_header; + muxer->cont_write_index = &rawaudiofile_write_index; + return 1; +} |