[mythtv-users] external tuner channel change causes crash

[Michael T. Dean]

On 06/21/2011 06:43 PM, Andrew wrote:
> Since upgrading to 0.24 changing I have a problem with losing audio 
> then aborting tv or a frontend crash when changing channels on an 
> external satellite tuner.
>
> The basic setup hasn't changed for some years, however, perhaps there 
> are some changes necessary due to 0.24 I'm not aware of.
>
> The crash only occurs when using an external  satellite decoder which 
> is connected to myth via the composite input of a
> software V4L decoder and the audio via the sound cards line input.
>
> On initial tuning of the channel, all is fine, video and audio is 
> present.  Hence my recordings are OK.  However, on Live TV, although 
> the initial tuning is OK with both audio and video, if I change 
> channels (via an IR blaster script) then the audio is lost and tv 
> eventually either aborts back to the main menu or the frontend 
> crashes.  This has only occurred since upgrading to 0.24.
>
> I have attached a frontend log with some additional debugging turned 
> on. in this log the first channel tune is successful at 2011-06-15 
> 07:53:40.236.  However, it fails when changing channels one minute 
> later at 2011-06-15 07:54:45.903
>
> Any suggestions?

FWIW, if your audio is broken, that will almost definitely cause 
problems with the player (that could result in the player exiting).

Fix the audio and you'll probably fix the problem.  Unfortunately, I 
don't have any ideas to suggest how to fix the audio.

Mike