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Hardware Support Discussions related to using various hardware setups with SageTV products. Anything relating to capture cards, remotes, infrared receivers/transmitters, system compatibility or other hardware related problems or suggestions should be posted here.

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Old 10-27-2010, 10:14 AM
tvierling tvierling is offline
Sage User
Join Date: Nov 2004
Posts: 5
Lightbulb SageTV Linux with PulseAudio (Ubuntu users take note)

Unfortunately, a whole lot of the .properties file options aren't well documented, or even documented at all (big HINT HINT! ), but I figured out how to get audio to work properly with the PulseAudio server that is the standard for modern GNOME, particularly for recent Ubuntu releases. Wrapping in "padsp" is not necessary.

Close SageTV(Placeshifter), then open $HOME/.sagetv/ (or in your favorite text editor and add the following line:

audio_render=-ao alsa:device=pulse
Save the properties file, open SageTV, and voila, audio is now routed through PulseAudio and can be controlled via Pulse mixer applications.

A more generic solution, which works for me (but may or may not work for you), is to tell ALSA to use its system-wide configuration to route sound output:

audio_render=-ao alsa
(Note no ":device=XXX" at all in this option.) SageTV maintainers: I'd recommend that the default "-ao alsa:device=hw" be changed to "-ao alsa", allowing /etc/asound.conf to determine where sound goes by default. Forcing a specific alsa output module to be used is... well, a bit unexpected in modern Linux distributions.
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Old 11-03-2010, 10:11 AM
jchiso jchiso is offline
Sage Expert
Join Date: Nov 2003
Location: Columbus, OH
Posts: 674
Thanks for this. It solved my problem, though I did not see this thread as originally posted, but was referred to it by another member in the Linux sub-forum. You should probably post this info there, as well ...
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Old 11-03-2010, 11:26 PM
bastafidli bastafidli is offline
Sage Expert
Join Date: Dec 2007
Location: Charlottesville, VA
Posts: 728
I have reported this problem with pulse audio to Sage as a bug a while ago. Great work on finding the solution. Did you posted it to Sage as a bug/resolution? They do not read every post in this forum.

TV: Samsung UN46D8000
Server: Intel Core i3 540, 4G RAM, Matrox G450, 70GB EXT3 encrypted software RAID1 system drive, 1TB XFS tv recording drive, 2TB EXT3 encrypted data drive mirror across 2 machines, 2TB EXT3 encrypted media drive mirror across 2 machines, CentOS 6 64 bit, Experimenting with DNLA servers
1Gb wired network
Disconnected after G day[HD 100 Media Extender, Placeshifter 7.x, SageTV 7.x, HDHomeRun]
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Old 12-02-2010, 06:18 PM
null_pointer_us null_pointer_us is offline
Sage Advanced User
Join Date: Dec 2005
Posts: 135
Thank you for the fix!

It's been a while since I encountered problems like this.
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alsa, audio, gnome, linux, pulseaudio

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