mpeg4_pred_ac    4991 libavcodec/h263.c         mpeg4_pred_ac(s, block, n, dc_pred_dir);
mpeg4_pred_ac     810 libavcodec/mpegvideo.h void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
mpeg4_pred_ac    1844 libavcodec/msmpeg4.c         mpeg4_pred_ac(s, block, n, dc_pred_dir);