Hello Laurens,
I am no expert by any means, but it is my impression that the loopback
module is "buggy", at some places at least.
For example, it does not honor requested latency really (for me sound
stopped working too). You could try the patches Georg Chini submitted
back in February and see if they fix your issues too, but note it might
be a long shot:
http://thread.gmane.org/gmane.comp.audio.pulseaudio.general/22956
They worked for me, but they are in queue for review
(http://www.freedesktop.org/wiki/Software/PulseAudio/PatchStatus/) so
you need to manually apply them (either to master or to the latest
stable tag). I am not very sure who makes the reviews, but it strikes me
that a contribution for a non-default module that turns something broken
into something not so broken sits there just waiting forever. But well,
that's another discussion.
I wish you luck on your issue,
Hector
On 2015-07-25 04:43, Laurens Nikolaisen wrote:
Hello there!
My plan is to do record game sound of an OpenGL game at the same time
while I'm recording my microphones voice. If I try to do so using
pulse audio the sound will stutter after a few seconds. In [0] they
say it seems to be related to pulse audio - but still nobody could
solve the problem.
What I did:
"Create null outputs and connect them with loopback streams so the
game audio is sent to the speakers, but also combined with the
microphone and sent to SimpleScreenRecorder. This is what we want to
achieve:
To do this, run the following commands:
pactl load-module module-null-sink sink_name=duplex_out
pactl load-module module-null-sink sink_name=game_out
pactl load-module module-loopback source=game_out.monitor
pactl load-module module-loopback source=game_out.monitor
sink=duplex_out
pactl load-module module-loopback sink=duplex_out
Now you should open PulseAudio Volume Control and send the audio from
the game to the second null output (game_out), and set the audio
source in SimpleScreenRecorder to the first null output (duplex_out).
This should be done from the input page - do not use PulseAudio Volume
Control to change the audio source for SimpleScreenRecorder because
the change will be lost whenever you pause and resume the recording."
SOURCE: [0]
Do you guys have any idea if this is a bug and if there's a known
workaround?
Many thanks in advance!
Laurens
[0]
http://www.maartenbaert.be/simplescreenrecorder/recording-game-audio/
[1]
Links:
------
[1]
http://www.maartenbaert.be/simplescreenrecorder/recording-game-audio/
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