Function buffer_pool_free

libavutil/buffer.c:317–326

* This function gets called when the pool has been uninited and * all the buffers returned to it. */

 * all the buffers returned to it.
 */
static void buffer_pool_free(AVBufferPool *pool)
{
    buffer_pool_flush(pool);
    ff_mutex_destroy(&pool->mutex);

    if (pool->pool_free)
        pool->pool_free(pool->opaque);

    av_freep(&pool);
}

void av_buffer_pool_uninit(AVBufferPool **ppool)
{