MB_TYPE_INTRA16x16  893 libavcodec/avcodec.h #define MB_TYPE_INTRA16x16 0x0002 //FIXME H.264-specific
MB_TYPE_INTRA16x16   47 libavcodec/mpegutils.h #define MB_TYPE_INTRA16x16 (1 <<  1) // FIXME H.264-specific