if(afq->frames[i].pts != AV_NOPTS_VALUE)
afq->frames[i].pts += n;
}
+ afq->remaining_samples -= removed_samples;
i -= i && afq->frames[i-1].duration;
memmove(afq->frames, afq->frames + i, sizeof(*afq->frames) * (afq->frame_count - i));
afq->frame_count -= i;