init_ref          900 libavcodec/motion_est.c     init_ref(c, s->new_picture.f->data, s->last_picture.f->data, NULL, 16*mb_x, 16*mb_y, 0);
init_ref         1080 libavcodec/motion_est.c     init_ref(c, s->new_picture.f->data, s->last_picture.f->data, NULL, 16*mb_x, 16*mb_y, 0);
init_ref         1519 libavcodec/motion_est.c     init_ref(c, s->new_picture.f->data, s->last_picture.f->data,
init_ref          318 libavcodec/snowenc.c         init_ref(c, current_data, s->last_picture[ref]->data, NULL, block_w*x, block_w*y, 0);