Re: [Patch-gnuradio] Small patch for audio_alsa_sink

[Alexandru Csete]

On Tue, Dec 7, 2010 at 5:20 PM, Volker Schroer <address@hidden> wrote:
> Switching parts of a flow graph with a valve leads to runtime erros
>
> audio_alsa_sink[hw:0,0]: snd_pcm_hw_params failed: File descriptor in bad
> state
> terminate called after throwing an instance of 'std::runtime_error'
>   what():  check topology failed on audio_alsa_sink(1) using ninputs=1,
> noutputs=0
>
> This can be avoided by the attached patch.
>
> Depending on the state of stream the parameters are not again set or the
> stream will be restarted.
>
> So you can even stop and restart the sound output without runtime errors.
>
> Volker
>

Hi Volker,

Thanks for the patch. So far I have been using the workaround that was
discussed on the list. Now I switched to your patch and it is working
fine for me too. Thanks.

Alex