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
> 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/
This may, or may not be helpful. I'm not sure if they
still do this or not, but S.U.S.E. Linux used to trigger
various sounds on various events, like opening, and
closing windows, mouse clicks, and so forth. You
could mix, and match the sounds/events to the way you
liked them.
Having a look a
Frank Thomas via Alsa-user wrote:
> 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
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,
> > additional configuration must to occur
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,
> additional configuration must to occur before you can get valid samples
Then why don't you do the configuration in the dr
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
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
