ff_pre_estimate_p_frame_motion  755 libavcodec/mpegvideo.h int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y);
ff_pre_estimate_p_frame_motion 1906 libavcodec/mpegvideo_enc.c             ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);