MASK_RIGHT        480 libavcodec/rv40.c                         clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
MASK_RIGHT        497 libavcodec/rv40.c                     clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;