Hello,
I'd like to apologise beforehand if I have not read enough
documentation and/or source code to be posting here. Please do not
hesitate to tell me to RTFM ☺
My application needs to get triggered when a mechanism any application
is opening or closing a certain list of ALSA devices. It seems
I would like to further clarify some things.
I actually need get triggered when the ALSA device started to run,
meaning the device is producing or outputting samples.
FYI: The actual sound controller is connected via an I²S interface and
synchronizes on its the word select signal. After the synch
On Mon, 2018-06-04 at 15:23 +0200, Clemens Ladisch via Alsa-user wrote:
> Frank Thomas via Alsa-user wrote:
> > The actual sound controller is connected via an I²S interface and
> > synchronizes on its the word select signal. After the
> > synchronisation,
> > addit
> And how does that manufacturer tell you to use it?
Get the clock started and configure. The loss of the WS signal is not intended
and is a failure. A xrun results in configuration loss.
> Anyway, it might be possible to write an external filter plugin:
> https://www.alsa-project.org/alsa-doc/
Hello,
just to finish this thread, a colleague of mine put me on the right track:
timers. If you look at the alsa-lib timer example
http://www.alsa-project.org/alsa-doc/alsa-lib/_2test_2timer_8c-example.html ,
you see the timer interface being used to register on master timer ticks. The
read l
