[mythtv] Volume control bug in PVR-350 tv-out

[Isaac Richards]

On Thursday 23 February 2006 12:21, Sage wrote:
> I'm running Debian 3.1 (stable), MythTV 0.19, and ivtvdriver 0.43.
> There appears to be a bug in MythTV 0.19 that prevents users from
> controlling volume when using TV-Out on a PVR-350.  Here is the original
> report from the users list:
>
> http://www.gossamer-threads.com/lists/mythtv/users/182987
>
> The original poster upgraded to 0.19 from 0.18.1.  I am experiencing the
> same problem on a fresh 0.19 install.  To summarize, we are seeing the
> following in the output log from mythfrontend:
>
>     NVP: Disabling Audio params(16,2,0)
>
> This warning is found in libmythtv/NuppelVideoPlayer.cpp lines 486-546,
> the "ReInitAudio(void)" section, which has been drastically changed from
> the 0.18.1 version.  My coding skill are limited, but to me it looks as
> though if any of those parameters (bitrate, channels, samplerate) is 0,
> volume controls are disabled.  In fact, it appears to have the same
> result as setting PVR350InternalAudioOnly to 0 in the settings table of
> the database.
>
> The upshot is that it looks like the audio samplerate is being
> incorrectly identified as 0.  Does anyone know why?  Is there a patch
> that resolves this?

Fixed in the 19-fixes branch + tot.

http://cvs.mythtv.org/trac/changeset/9113

Isaac