static void frame_thread_free(AVCodecContext *avctx, int thread_count) { FrameThreadContext *fctx = avctx->thread_opaque; AVCodec *codec = avctx->codec; int i; park_frame_worker_threads(fctx, thread_count); if (fctx->prev_thread) update_context_from_thread(fctx->threads->avctx, fctx->prev_thread->avctx, 0); fctx->die = 1; for (i = 0; i < thread_count; i++) { PerThreadContext *p = &fctx->threads[i]; pthread_mutex_lock(&p->mutex); pthread_cond_signal(&p->input_cond); pthread_mutex_unlock(&p->mutex); pthread_join(p->thread, NULL); if (codec->close) codec->close(p->avctx); avctx->codec = NULL; release_delayed_buffers(p); } for (i = 0; i < thread_count; i++) { PerThreadContext *p = &fctx->threads[i]; avcodec_default_free_buffers(p->avctx); pthread_mutex_destroy(&p->mutex); pthread_mutex_destroy(&p->progress_mutex); pthread_cond_destroy(&p->input_cond); pthread_cond_destroy(&p->progress_cond); pthread_cond_destroy(&p->output_cond); av_freep(&p->avpkt.data); if (i) av_freep(&p->avctx->priv_data); av_freep(&p->avctx); } av_freep(&fctx->threads); pthread_mutex_destroy(&fctx->buffer_mutex); av_freep(&avctx->thread_opaque); }