[LAU] PulseAudio on top of Jack

[david]

On 04/13/2014 11:24 AM, Len Ovens wrote:
>
> On Mon, 14 Apr 2014, Max wrote:
>
>> I'm running PulseAudio on top of Jack and I'm satisfied with the
>> experience
>> http://trac.jackaudio.org/wiki/WalkThrough/User/PulseOnJack
>> One exception is that i need to restart PulseAudio (pulseaudio -k) and
>> the application using it (for ex. Chromium or Firefox) after every
>> suspend. Is there a way to solve this little annoyance?
>
> First thing is to make sure you have a current PA as there has been a
> lot of work on it in the past few years. Things that didn't work or not
> right in 2012 have been fixed and work now. [edit, this does not seem to
> be fixed lp:#1232295 is not closed] I don't personally know about
> suspend because I don't happen to need/use it. Once PA gets restarted
> though, I don't think there is much you can do about chromium/firefox
> although just reloading the page should bring it back because the pulse
> port is not opened by gstream until/unless the web page needs it. It
> should be the same with many other desktop apps (which is why PA-jack is
> so useful). Many of them shut the port just with a pause and certainly
> with a stop/play (but that would loose the place you were if part way
> through a movie). This page:
> https://wiki.archlinux.org/index.php/PulseAudio#No_sound_after_resume_from_suspend
>
> Suggests that pulseaudio -k is not the best thing to do and that using
> pasuspender will not break running applications like the browser. The
> script on the same page will only work if you have systemd running the
> system... so not debian or derivatives (just yet).
>
> It sounds like jackdbus has made it through the suspend ok anyway.

IIRC, older Firefox versions used to not let go of the audio system (if 
Flash was installed) until you closed Firefox. I have a friend who up to 
a few years ago had a script he ran (after closing Firefox) to kill the 
remaining Flash process that it would leave behind.

-- 
David W. Jones
gnome at hawaii.rr.com
authenticity, honesty, community
http://dancingtreefrog.com