[pulseaudio-discuss] Play Audio from PC Line-In or Microphone

Tanu Kaskinen tanu.kaskinen at linux.intel.com
Sun Jan 26 06:54:21 PST 2014

On Sun, 2014-01-19 at 10:51 -0800, James Board wrote:
> I want to do something simple.  Play the audio that 's coming into my (CentOS)
> PC on Line-IN on my PC speakers.  How can I do this?  I tried the following
> command
>     load-module module-loopback latency_msec=1
> Which seems to work sometimes, but everytime I disconnect the input,
> I have to do the above command again.  And after a few times, when I
> run the above command, it crashes pulseaudio.  What's the correct
> way to play audio from the LineIN to the PC Speakers?  If this is
> possible outside pulseaudio, that is okay.

Pulseaudio crashes? That's interesting. It would be good if you could
get a backtrace with gdb, or precise instructions for reproducing the
crash would be good too. Can you reproduce the crash by running "pactl
load-module module-loopback; pactl unload-module module-loopback" in a
loop? (I can't.)


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