libmpdemux/muxer_rawaudio.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <sys/types.h>
   5
   6 #include "help_mp.h"
   7 #include "mp_msg.h"
   8
   9 #include "aviheader.h"
  10 #include "ms_hdr.h"
  11
  12 #include "stream/stream.h"
  13 #include "muxer.h"
  14
  15 static muxer_stream_t* rawaudiofile_new_stream(muxer_t *muxer,int type){
  16     muxer_stream_t* s;
  17     if (!muxer) return NULL;
  18     if(type==MUXER_TYPE_AUDIO && muxer->avih.dwStreams>=1){
  19         mp_tmsg(MSGT_MUXER,MSGL_ERR,"Too many streams!"" ""Rawaudio muxer supports only one audio stream!\n");
  20         return NULL;
  21     }
  22     s=malloc(sizeof(muxer_stream_t));
  23     memset(s,0,sizeof(muxer_stream_t));
  24     if(!s) return NULL; // no mem!?
  25     muxer->streams[muxer->avih.dwStreams]=s;
  26     s->type=type;
  27     s->id=muxer->avih.dwStreams;
  28     s->timer=0.0;
  29     s->size=0;
  30     s->muxer=muxer;
  31     switch(type){
  32     case MUXER_TYPE_AUDIO:
  33         s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c');
  34         s->h.fccType=streamtypeAUDIO;
  35         muxer->avih.dwStreams++;
  36         break;
  37     case MUXER_TYPE_VIDEO:
  38         mp_tmsg(MSGT_MUXER,MSGL_WARN,"Ignoring video stream!\n");
  39         s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c');
  40         s->h.fccType=streamtypeAUDIO;
  41         break;
  42     default:
  43         mp_tmsg(MSGT_MUXER,MSGL_ERR,"Warning, unknown stream type: %d\n",type);
  44         return NULL;
  45     }
  46     return s;
  47 }
  48
  49 static void rawaudiofile_write_chunk(muxer_stream_t *s,size_t len,unsigned int flags, double dts, double pts){
  50     muxer_t *muxer=s->muxer;
  51
  52     // write out the chunk:
  53     if (s->type==MUXER_TYPE_AUDIO)
  54         stream_write_buffer(muxer->stream, s->buffer, len);
  55 }
  56
  57 static void rawaudiofile_write_header(muxer_t *muxer){
  58     return;
  59 }
  60
  61 static void rawaudiofile_write_index(muxer_t *muxer){
  62     return;
  63 }
  64
  65 int muxer_init_muxer_rawaudio(muxer_t *muxer){
  66     muxer->cont_new_stream = &rawaudiofile_new_stream;
  67     muxer->cont_write_chunk = &rawaudiofile_write_chunk;
  68     muxer->cont_write_header = &rawaudiofile_write_header;
  69     muxer->cont_write_index = &rawaudiofile_write_index;
  70     return 1;
  71 }