[LAU] Getting Rhythmbox to Appear in qjackctl
paul at linuxaudiosystems.com
Sun May 24 01:51:40 CEST 2020
some more hints (i really did have this working years ago):
On Sat, May 23, 2020 at 5:32 PM Stuart Longland <stuartl at longlandclan.id.au>
> On 24/5/20 8:21 am, Paul Davis wrote:
> > I've already tried to point out the basics but I guess my hints weren't
> > taken:
> > * RB uses gstreamer for audio I/O
> > * gstreamer has a native JACK module
> > * you need to configure gstreamer's JACK module (the buffer sizes in
> > particular need attention)
> Don't disagree on those points, you're 100% correct on the existence of
> a JACK plug-in for GStreamer and GStreamer's role in audio transport for
> > * you need to tell RB to use the module (or tell gstreamer to do that all
> > the time)
> This is where we have a sticking point. If there's a way to configure
> that in RhythmBox, it is *well* hidden. Fur sure, if you can get into
> GStreamer's code and change the flow graph so it terminates with JACK,
> then yes, it definitely will stream to JACK directly.
> I just had a look at the sources for RhythmBox… it uses autoaudiosink
> (see backends/gstreamer/rb-player-gst.c 683-713), which in theory could
> use the JACK sink plug-in, and might do so in some circumstances.
> The sticking point is
> provides no way to elect JACK as the preferred output. It's not obvious
> how the user directs the audio to their _preferred_ output channel.
> Stuart Longland (aka Redhatter, VK4MSL)
> I haven't lost my mind...
> ...it's backed up on a tape somewhere.
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