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Add a parser for the "ASF group stream object" and display the bitrate values 

of all the streams.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4334 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
bertrand 2002-01-24 05:30:41 +00:00
parent d68675fee9
commit bd45bf098f
1 changed files with 30 additions and 0 deletions
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30
libmpdemux/asfheader.c
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@ -34,6 +34,7 @@ extern int verbose; // defined in mplayer.c
#define ASF_GUID_PREFIX_header_2_0 0xD6E229D1
#define ASF_GUID_PREFIX_file_header 0x8CABDCA1
#define ASF_GUID_PREFIX_content_desc 0x75b22633
#define ASF_GUID_PREFIX_stream_group 0x7bf875ce
static ASF_header_t asfh;
@ -270,6 +271,35 @@ while(!stream_eof(demuxer->stream)){
free(string);
break;
}
case ASF_GUID_PREFIX_stream_group: {
uint16_t stream_count, 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);
object = (char*)malloc(objh.size);
if( object==NULL ) {
printf("Memory allocation failed\n");
return 0;
}
stream_read( demuxer->stream, object, objh.size );
// FIXME: We need some endian handling below...
ptr = object;
stream_count = *(uint16_t*)ptr;
ptr += sizeof(uint16_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;
ptr += sizeof(uint16_t);
printf(" stream id=[0x%x][%u]\n", stream_id, stream_id );
max_bitrate = *(uint32_t*)ptr;
ptr += sizeof(uint32_t);
printf(" max bitrate=[0x%x][%u]\n", max_bitrate, max_bitrate );
}
printf("============ ASF Stream group == END ===\n");
free( object );
break;
}
} // switch GUID
if(ASF_LOAD_GUID_PREFIX(objh.guid)==ASF_GUID_PREFIX_data_chunk) break; // movi chunk