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Added auto selection of the best streams and fixed a few compiler

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warnings


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4539 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
albeu 2002-02-05 16:50:10 +00:00
parent 3eda811f0d
commit 7380c34169
1 changed files with 30 additions and 5 deletions
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35
libmpdemux/asfheader.c
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@ -129,9 +129,13 @@ extern void print_video_header(BITMAPINFOHEADER *h);
int read_asf_header(demuxer_t *demuxer){
static unsigned char buffer[1024];
uint32_t* streams = NULL;
int audio_streams=0;
int video_streams=0;
uint16_t stream_count=0;
int best_video = -1;
int best_audio = -1;
#if 1
//printf("ASF file! (subchunks: %d)\n",asfh.cno);
while(!stream_eof(demuxer->stream)){
@ -184,7 +188,7 @@ 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);
unsigned 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);
@ -276,11 +280,11 @@ while(!stream_eof(demuxer->stream)){
break;
}
case ASF_GUID_PREFIX_stream_group: {
uint16_t stream_count, stream_id, i;
uint16_t stream_id, i;
uint32_t max_bitrate;
char *object=NULL, *ptr=NULL;
printf("============ ASF Stream group == START ===\n");
printf(" object size = %d\n", objh.size);
printf(" object size = %d\n", (int)objh.size);
object = (char*)malloc(objh.size);
if( object==NULL ) {
printf("Memory allocation failed\n");
@ -291,6 +295,8 @@ while(!stream_eof(demuxer->stream)){
ptr = object;
stream_count = *(uint16_t*)ptr;
ptr += sizeof(uint16_t);
if(stream_count > 0)
streams = (uint32_t*)malloc(2*stream_count*sizeof(uint32_t));
printf(" stream count=[0x%x][%u]\n", stream_count, stream_count );
for( i=0 ; i<stream_count && ptr<((char*)object+objh.size) ; i++ ) {
stream_id = *(uint16_t*)ptr;
@ -299,6 +305,8 @@ while(!stream_eof(demuxer->stream)){
max_bitrate = *(uint32_t*)ptr;
ptr += sizeof(uint32_t);
printf(" max bitrate=[0x%x][%u]\n", max_bitrate, max_bitrate );
streams[2*i] = stream_id;
streams[2*i+1] = max_bitrate;
}
printf("============ ASF Stream group == END ===\n");
free( object );
@ -311,15 +319,32 @@ while(!stream_eof(demuxer->stream)){
if(!stream_seek(demuxer->stream,endpos)) break;
} // while EOF
if(streams) {
uint32_t vr = 0, ar = 0,i;
for(i = 0; i < stream_count; i++) {
uint32_t id = streams[2*i];
uint32_t rate = streams[2*i+1];
if(demuxer->v_streams[id] && rate > vr) {
vr = rate;
best_video = id;
} else if(demuxer->a_streams[id] && rate > ar) {
ar = rate;
best_audio = id;
}
}
free(streams);
}
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
else if(best_audio > 0 && demuxer->audio->id == -1) demuxer->audio->id=best_audio;
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
}
} else if (best_video > 0 && demuxer->video->id == -1) demuxer->video->id = best_video;
#if 0
if(verbose){