libmpdemux/muxer_rawaudio.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <sys/types.h>
  23
  24 #include "mp_msg.h"
  25
  26 #include "aviheader.h"
  27 #include "ms_hdr.h"
  28
  29 #include "stream/stream.h"
  30 #include "muxer.h"
  31
  32 static muxer_stream_t* rawaudiofile_new_stream(muxer_t *muxer,int type){
  33     muxer_stream_t* s;
  34     if (!muxer) return NULL;
  35     if(type==MUXER_TYPE_AUDIO && muxer->avih.dwStreams>=1){
  36         mp_msg(MSGT_MUXER, MSGL_ERR, "%s %s", mp_gtext("Too many streams!"),
  37                mp_gtext("Rawaudio muxer supports only one audio stream!\n"));
  38         return NULL;
  39     }
  40     s=malloc(sizeof(muxer_stream_t));
  41     memset(s,0,sizeof(muxer_stream_t));
  42     if(!s) return NULL; // no mem!?
  43     muxer->streams[muxer->avih.dwStreams]=s;
  44     s->type=type;
  45     s->id=muxer->avih.dwStreams;
  46     s->timer=0.0;
  47     s->size=0;
  48     s->muxer=muxer;
  49     switch(type){
  50     case MUXER_TYPE_AUDIO:
  51         s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c');
  52         s->h.fccType=streamtypeAUDIO;
  53         muxer->avih.dwStreams++;
  54         break;
  55     case MUXER_TYPE_VIDEO:
  56         mp_tmsg(MSGT_MUXER,MSGL_WARN,"Ignoring video stream!\n");
  57         s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c');
  58         s->h.fccType=streamtypeAUDIO;
  59         break;
  60     default:
  61         mp_tmsg(MSGT_MUXER,MSGL_ERR,"Warning, unknown stream type: %d\n",type);
  62         return NULL;
  63     }
  64     return s;
  65 }
  66
  67 static void rawaudiofile_write_chunk(muxer_stream_t *s,size_t len,unsigned int flags, double dts, double pts){
  68     muxer_t *muxer=s->muxer;
  69
  70     // write out the chunk:
  71     if (s->type==MUXER_TYPE_AUDIO)
  72         stream_write_buffer(muxer->stream, s->buffer, len);
  73 }
  74
  75 static void rawaudiofile_write_header(muxer_t *muxer){
  76     return;
  77 }
  78
  79 static void rawaudiofile_write_index(muxer_t *muxer){
  80     return;
  81 }
  82
  83 int muxer_init_muxer_rawaudio(muxer_t *muxer){
  84     muxer->cont_new_stream = &rawaudiofile_new_stream;
  85     muxer->cont_write_chunk = &rawaudiofile_write_chunk;
  86     muxer->cont_write_header = &rawaudiofile_write_header;
  87     muxer->cont_write_index = &rawaudiofile_write_index;
  88     return 1;
  89 }