estimate_motion_b 1543 libavcodec/motion_est.c fmin = estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + estimate_motion_b 1547 libavcodec/motion_est.c bmin = estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) +