(AVRational){ 1, afq->avctx->sample_rate });
new->pts -= afq->remaining_delay;
if(afq->frame_count && new[-1].pts >= new->pts)
(AVRational){ 1, afq->avctx->sample_rate });
new->pts -= afq->remaining_delay;
if(afq->frame_count && new[-1].pts >= new->pts)