Function mbuf_coded_video_frame_queue_flush 

pub unsafe extern "C" fn mbuf_coded_video_frame_queue_flush(
    queue: *mut mbuf_coded_video_frame_queue,
) -> c_int

Flush a queue.

This function will unreference all frames inside the queue, and clear the queue event.

@param queue: The queue.

@return 0 on success, negative errno on error.