MB_TYPE_ACPRED   3602 libavcodec/h263.c                 s->current_picture.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED;
MB_TYPE_ACPRED   3631 libavcodec/h263.c                     s->current_picture.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED;
MB_TYPE_ACPRED   4133 libavcodec/h263.c                 s->current_picture.mb_type[xy]= MB_TYPE_INTRA | MB_TYPE_ACPRED;
MB_TYPE_ACPRED   4453 libavcodec/h263.c             s->current_picture.mb_type[xy]= MB_TYPE_INTRA | MB_TYPE_ACPRED;
MB_TYPE_ACPRED     91 libavcodec/h264.h #define MB_TYPE_REF0       MB_TYPE_ACPRED //dirty but it fits in 16 bit
MB_TYPE_ACPRED    109 libavcodec/mpegvideo.h #define IS_ACPRED(a)     ((a)&MB_TYPE_ACPRED)