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pre-check for audio/video streams (hope it fix wma steraming)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4350 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-01-26 01:21:41 +00:00
parent 99be1c8952
commit efb1d8e461
1 changed files with 14 additions and 0 deletions
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14
libmpdemux/asfheader.c
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@ -129,6 +129,8 @@ extern void print_video_header(BITMAPINFOHEADER *h);
int read_asf_header(demuxer_t *demuxer){
static unsigned char buffer[1024];
int audio_streams=0;
int video_streams=0;
#if 1
//printf("ASF file! (subchunks: %d)\n",asfh.cno);
@ -162,6 +164,7 @@ while(!stream_eof(demuxer->stream)){
switch(ASF_LOAD_GUID_PREFIX(streamh.type)){
case ASF_GUID_PREFIX_audio_stream: {
sh_audio_t* sh_audio=new_sh_audio(demuxer,streamh.stream_no & 0x7F);
++audio_streams;
sh_audio->wf=calloc((streamh.type_size<sizeof(WAVEFORMATEX))?sizeof(WAVEFORMATEX):streamh.type_size,1);
memcpy(sh_audio->wf,buffer,streamh.type_size);
le2me_WAVEFORMATEX(sh_audio->wf);
@ -182,6 +185,7 @@ while(!stream_eof(demuxer->stream)){
case ASF_GUID_PREFIX_video_stream: {
sh_video_t* sh_video=new_sh_video(demuxer,streamh.stream_no & 0x7F);
int len=streamh.type_size-(4+4+1+2);
++video_streams;
// sh_video->bih=malloc(chunksize); memset(sh_video->bih,0,chunksize);
sh_video->bih=calloc((len<sizeof(BITMAPINFOHEADER))?sizeof(BITMAPINFOHEADER):len,1);
memcpy(sh_video->bih,&buffer[4+4+1+2],len);
@ -307,6 +311,16 @@ while(!stream_eof(demuxer->stream)){
if(!stream_seek(demuxer->stream,endpos)) break;
} // while EOF
mp_msg(MSGT_HEADER,MSGL_V,"ASF: %d audio and %d video streams found\n",audio_streams,video_streams);
if(!audio_streams) demuxer->audio->id=-2; // nosound
if(!video_streams){
if(!audio_streams){
mp_msg(MSGT_HEADER,MSGL_ERR,"ASF: no audio or video headers found - broken file?\n");
return 0;
}
demuxer->video->id=-2; // audio-only
}
#if 0
if(verbose){
printf("ASF duration: %d\n",(int)fileh.duration);