ff_vc1_smooth_overlap_filter_iblk  421 libavcodec/vc1.h void ff_vc1_smooth_overlap_filter_iblk(VC1Context *v);
ff_vc1_smooth_overlap_filter_iblk 2726 libavcodec/vc1_block.c             ff_vc1_smooth_overlap_filter_iblk(v);