VC1_TTMB_VLC_BITS   81 libavcodec/vc1data.c #define VC1_TTMB_VLC_BITS 9 //12
VC1_TTMB_VLC_BITS   60 libavcodec/vc1data.h #define VC1_TTMB_VLC_BITS 9 //12