Re: [Alsa-user] alsa-lib: tests: Error in pause/resume

[Clemens L. <cla...@go...>]

ajay khandelwal wrote:
> On Tue, Dec 6, 2011 at 5:24 PM, Clemens Ladisch <cla...@go... <mailto:cla...@go...>> wrote:
>
>     -77 is EBADFD.  This usually implies that the device is not
>     in the correct state; check snd_pcm_state().
>
>  State during this is 4 (XRUN)

Then do the usual xrun recovery.
(In theory, you should get -EPIPE for xruns, but it's possible that this
is a consequence of your unsynchronized accesses to the device state.)

>     Please note that accessing the same snd_pcm_t* device from
>     multiple threads at the same time is not supported.
>
> Is it applicable for processes too. I'm forking two process, one playing
> audio and other pausing and resuming on same thread
> In this case how should I pause/resume my audio.

>From the same thread/process.


Regards,
Clemens