[gst-devel] block at line 1547 in gstqueue2.c

[Wim Taymans]

On Tue, 2008-04-01 at 10:54 +0800, Wang Xuefeng-W20711 wrote:
> Hi all,
> 
> Who can tell me why the following code segment in gstqueue2.c is needed?
> When I use queue2 for local playback, it's OK to seek forward/rewind.
> But When I use queue2 for network playback, such as progressive
> download, I meet a problem, it will block at line 1547 if seeking to the
> position where data hasn't been downloaded yet. I expect it to return
> immediately, not block.
> 
>    1543       GST_QUEUE_MUTEX_LOCK (queue);
>    1544       /* we have to wait until the upstream element is at least
> paused, which
>    1545        * happened when we received a first item. */
>    1546       while (gst_queue_is_empty (queue)) {
>    1547         GST_QUEUE_WAIT_ADD_CHECK (queue, flushing);
>    1548       }
>    1549       GST_QUEUE_MUTEX_UNLOCK (queue); 

It's was an experiment and will be removed soon.

Wim

> 
> 
> Best Regards
> Wang Xuefeng 
> 
> 
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