[mythtv] OT: xawtv and secondary audio dsp

Bruce Markey bjm at lvcm.com
Thu Jan 30 04:12:01 EST 2003


Harondel J. Sibble wrote:
> Is there any way to have xawtv default to getting audio from a specific dsp?
> 
> Basically I have a box with dual tuners, one of the tuners is dedicated to 
> mythtv for recording and timeshifting tv.
> 
> http://www.mythtv.org
> 
> While the second card goes to my vcr and is what I watch when I don't want 
> time shifting or want to watch some vhs tapes.  The primary (mythtv) tuner 
> goes to the sblive in the machine while the secondary tuner is hooked up to 
> the onboard soundcard (via based). When I want to use xawtv with the second 
> tuner, in a terminal window, I'll run the following command
> 
> sox -r 44100 -w -t ossdsp /dev/dsp2 -t ossdsp /dev/dsp
> 
> And then I get the audio from the xawtv window running on the secondary 
> tuner.  Is there a way to automate this?  I tried a shell script but when 
> then respective processes are put in the background by the script, the A/V 
> sync gets off by up to a second at the worst.
> 
> Any suggestions?

So if you want the realtime analog sound patched through,
connect the patch cable from the second tuner card into an
available input on the soundblaster (the "mic" input for
example). Not sure how to tell xawtv that the volume control
should change the mic level...

--  bjm




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