IS_ACPRED        1248 libavcodec/mpeg4videodec.c             s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
IS_ACPRED        1261 libavcodec/mpeg4videodec.c         s->ac_pred  = IS_ACPRED(s->current_picture.mb_type[xy]);
IS_ACPRED        2266 libavcodec/mpegvideo.c                     else if (IS_INTRA(mb_type) && IS_ACPRED(mb_type))
IS_ACPRED        2452 libavcodec/mpegvideo.c                     } else if ((IS_INTRA(mb_type) && IS_ACPRED(mb_type)) ||