ff_msmpeg4_encode_mb 2546 libavcodec/mpegvideo_enc.c             ff_msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
ff_msmpeg4_encode_mb   56 libavcodec/msmpeg4.h void ff_msmpeg4_encode_mb(MpegEncContext *s, int16_t block[6][64],