Function thread_get_buffer_internal

libavcodec/pthread_frame.c:1021–1042

}

static int thread_get_buffer_internal(AVCodecContext *avctx, AVFrame *f, int flags)
{
    PerThreadContext *p;
    int err;

    if (!(avctx->active_thread_type & FF_THREAD_FRAME))
        return ff_get_buffer(avctx, f, flags);

    p = avctx->internal->thread_ctx;
    if (atomic_load(&p->state) != STATE_SETTING_UP &&
        ffcodec(avctx->codec)->update_thread_context) {
        av_log(avctx, AV_LOG_ERROR, "get_buffer() cannot be called after ff_thread_finish_setup()\n");
        return -1;
    }

    pthread_mutex_lock(&p->parent->buffer_mutex);
    err = ff_get_buffer(avctx, f, flags);

    pthread_mutex_unlock(&p->parent->buffer_mutex);

    return err;
}

int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f, int flags)
{