(h->max_pic_num - 1);
#if 0
if (mmco[i].short_pic_num >= h->short_ref_count ||
- h->short_ref[ mmco[i].short_pic_num ] == NULL){
+ !h->short_ref[mmco[i].short_pic_num]) {
av_log(s->avctx, AV_LOG_ERROR,
"illegal short ref in memory management control "
"operation %d\n", mmco);