Bug 426649 - No pulseaudio-module-jack in F8
No pulseaudio-module-jack in F8
Product: Fedora
Classification: Fedora
Component: pulseaudio (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Lennart Poettering
Fedora Extras Quality Assurance
Depends On:
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Reported: 2007-12-23 13:24 EST by Kevin Kofler
Modified: 2008-01-17 06:43 EST (History)
1 user (show)

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Fixed In Version: 0.9.8-4.fc8.1
Doc Type: Bug Fix
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Last Closed: 2008-01-17 06:07:21 EST
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Description Kevin Kofler 2007-12-23 13:24:16 EST
Description of problem:
There is no pulseaudio-module-jack in Fedora 8. This has been reenabled in 
Rawhide, but not F8. This is all the more annoying because JACK doesn't work 
with PA's ALSA plugin because JACK's ALSA backend requires mmap. As a result, 
there is no way to start JACK without suspending PA.

Version-Release number of selected component (if applicable):
Comment 1 Kevin Kofler 2007-12-25 21:26:48 EST
Actually, _starting_ them both is not the problem, JACK has a "dummy" driver, 
but getting them to both actually output sound is.
Comment 2 Kevin Kofler 2008-01-17 06:43:30 EST
Getting JACK to output to PA is still a major PITA, but here's how to:
- in qjackctl, configure JACK for the dummy sound device and start it
- in pacmd, load-module module-jack-source
- in qjackctl, connect your JACK application to the PulseAudio JACK Source
- in a terminal, run: parec -d jack_in | pacat (Is there really no better way 
to echo a source to a sink in PA?)
- enjoy the half-second latency ;-)

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