[mythtv-users] How to issue command when starting a new recording?

Kevin Kuphal kuphal at dls.net
Wed Oct 5 20:23:07 UTC 2005


kanetse at gmail.com wrote:

> On 10/5/05, *Kevin Kuphal* <kuphal at dls.net <mailto:kuphal at dls.net>> 
> wrote:
>
>
>     I would focus on fixing the problem rather than working around
>     it.  Are
>     you using ALSA or OSS for your audio output?
>
>
> I'm not 100% sure.  Strictly speaking, this is a remote master 
> backend, so the machine itself doesn't do any kind of audio output.  
> However, it is running Fedora Core 4.  I specify my tuners to use 
> /dev/dsp0 and /dev/dsp1 and I control the line-in record volumes 
> through alsamixer and alsactl.
>
> However, it's definitely not related to my soundcards, because when I 
> plug my headphones directly into the TV tuner card, I hear nothing.  
> Then, if I run "v4lctl volume mute off", I hear sound.
>
> It would be nice to fix the problem, but I believe this problem is 
> somehow related to MythTV's interaction with the msp3400 driver, and 
> not the OSS/ALSA sound system.

It sounds like your are using ALSA then or at least the ALSA/OSS 
emulation.  If you have the alsamixer running when a recording starts, 
do you see the CAPTURE input device on your recording card go mute?

Kevin


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