Function pool_free

libavutil/refstruct.c:208–214

};

static void pool_free(AVRefStructPool *pool)
{
    ff_mutex_destroy(&pool->mutex);
    if (pool->free_cb)
        pool->free_cb(pool->opaque);
    av_free(get_refcount(pool));
}

static void pool_free_entry(AVRefStructPool *pool, RefCount *ref)
{