[gst-devel] "Could not open audio device for playback" error if creating/destructing pipeline from multiple threads

[rmkart]

Whether you try to open audio device in 2 threads simultaneously?
If you have any audio player application that is open also can create a
problem

segr wrote:
> 
> Hi, All,
> 
> I was testing gstreamer for using it from multiple threads.
> I make the following:
>   1. gst_init;
>   2. start main_loop;
>   3. start while(1) calling thread-function that constructs pipeline,
> starts playing and stop it immediately.
> 
> In some cases (I suppose it is any type of race condition), I get the
> following error:
> 
> 4: Could not open audio device for playback. Device is being used by
> another application.
> 
> Have anybody the same problem?
> I tested both on lenny and squeeze (but haven`t tested sid yet) the
> problem appear from time to time on both versions.
> 
> PS: To reproduce the problem I always start testing application for a few
> times before getting an error.
> 

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