B_MPEG2
case media_multistream_format::B_MPEG2: fprintf(stderr,"MPEG2"); break;
case media_multistream_format::B_MPEG2: fprintf(stderr,"MPEG2"); break;
f.format = media_multistream_format::B_MPEG2;
case media_multistream_format::B_MPEG2:
case media_multistream_format::B_MPEG2: