Re: Firefox/Flash vs. Pulseaudio; Audio can't be directed to the desired device

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On Wed, 2013-09-04 at 08:32 +0100, Ian Malone wrote:
> On 4 September 2013 06:49, Jonathan Ryshpan <jonrysh@xxxxxxxxxxx> wrote:
> > Pulseaudio can control which output device receives main audio output via
> >
> > kmix->Mixer->Settings->Audio Setup->...
> >
> > which invokes Phonon.  At this point select the audio stream you want to
> > divert, "Prefer" the device you want to receive the stream to the top and
> > "Apply".  This sends the audio stream, the output of Amarok (in my case) to
> > the desired device, "Built-in Audio Analog Stereo" (in my case).
> >
> > EXCEPT that this doesn't work for a stream originating in Firefox/Flash.
> > How can I redirect this stream?  What am I missing?
> >
> 
> Which version of Fedora are you using? I ask because in F18 KDE the
> Phonon KDE control only allows adjustment of output per category
> (music, video, notifications etc). Both the flash plugin and firefox
> use pulse's alsa plugin for playback, I'm not sure what category they
> come under, whether they come under the same category or even if
> applications using the alsa plugin can communicate their category.
> 
> Anyway, if you've tried all the categories and the overall device
> control with no luck then try installing pavucontrol. The leftmost
> 'playback' tab will allow per-stream (actual streams, not categories)
> control of the device used. However it only shows active streams, so
> you need to start playback to get the stream you want to appear.

I am using Fedora-19.  Kmix works just as you describe, only allowing 
adjustment of output by category.  Here's the version info for Kmix:
        KMix Version 4.3 Using KDE Development Platform 4.10.5
No category controls the alsa plugin, i.e. Firefox/Flash.  (WHY NOT??)

HOWEVER, pavucontrol works perfectly.  Is there any way to make it the
default mixer for the KDE's audio applet?


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