rawaudio muxer

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15755 b3059339-0415-0410-9bf9-f77b7e298cf2

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;
+}