AVFrame *ff_framequeue_take(FFFrameQueue *fq) { FFFrameBucket *b; check_consistency(fq); av_assert1(fq->queued); b = bucket(fq, 0); fq->queued--; fq->tail++; fq->tail &= fq->allocated - 1; fq->total_frames_tail++; fq->total_samples_tail += b->frame->nb_samples; check_consistency(fq); return b->frame; }