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

[Phill Edwards]

> I have this problem where (for some unknown reason), MythTV will mute my TV
> card's audio out periodically.  This results in recordings with no audio.
> It's not a frontend or sound card issue.  I have found it can be re-enabled
> by issuing a command to the v4l driver, namely, "v4lctl volume mute off".
>
> I tried putting this command into a cron job, but the problem is that
> everytime it's run, it causes a 1/2 second blank out of the audio.  I then
> tried putting it into the "external command" for changing channels tuner,
> but the problem is that when that happens, Myth doesn't change the channels
> properly anymore because it thinks my unmute-volume script is doing the job.

What sort of car? If it's a DVB card have you tried recording in TS
instead of PS?

Regards,
Phill