encode_mb_internal 1731 libavcodec/mpegvideo_enc.c if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6); encode_mb_internal 1732 libavcodec/mpegvideo_enc.c else encode_mb_internal(s, motion_x, motion_y, 16, 8);