Retrieves the first item available on the queue without removing it. If the queue is currently empty, the call will block until at least one item is available, OR the queue is set to the flushing state. MT safe.
pointer to store the returned GstDataQueueItem
TRUE if an item was successfully retrieved from the queue.
1.2
Retrieves the first item available on the queue without removing it. If the queue is currently empty, the call will block until at least one item is available, OR the queue is set to the flushing state. MT safe.