[mythtv-users] PVR-350 volume

[Joe Votour]

In other words, there should probably be a patch. 
But, it should probably be generic enough to allow for
selecting any device found on the card.  Using an
external program for something like changing the a
different part of the mixer is just clumsy, given the
overhead of loading another program (if a shell
script, then the shell, plus the execution of the
interpreted program).

Thanks for the information, I will look into using the
external method for now, but I'll try to come up with
a more integrated way once I get a chance.  (I guess
I'll have to learn the ALSA/OSS API calls, and then
this could be a biggie.)

-- Joe

--- "Michael T. Dean" <mtdean at thirdcontact.com> wrote:

> Joe Votour wrote:
> 
> >I thought that the answer to this might be in the
> >archives, but after scanning through pages of them
> >using different terms, I'm not so sure...
> >
> >I upgraded to ivtv-0.3.8 tonight, and put my
> PVR-350
> >back in the machine (so I have a PVR-350 and a
> >PVR-500).  I've decided to switch to the PVR-350
> >MPEG-2 decoder rather than using xv (I can't get
> the
> >xv output to fill the screen without overscan and
> >stuff).  Plus, the PVR-350 MPEG-2 decoder output is
> >pretty darn slick.  Anyway, back to the point...
> >
> >I have connected the PVR-350 audio output to my
> >soundcard's (Creative SBLive 5.1) Line-In, and I
> get
> >sound coming out of the sound card without a
> problem. 
> >The catch though is that I can't adjust the volume
> >level within MythTV (pressing Vol+/Vol- or Mute
> >doesn't actually change/mute the volume).  Well,
> okay,
> >that's not actually quite true - there are two ways
> >that I can do this:
> >1. Allow MythTV to control the Master volume
> instead
> >of the PCM, or,
> >2. Change the Line-In volume within alsamixer while
> >watching a recording.
> >
> >Option (1) is undesireable, since it affects
> >everything else on the system (xmame, xine, etc). 
> >Option (2) sucks, since I have to SSH in and run
> >alsamixer.
> >
> >Does somebody have a solution to this problem?  If
> >not, then I guess I'll make a patch that adds
> support
> >for selecting the Line-In volume as the volume that
> >gets changed by the volume controls. (Audio page of
> >General Setup, "Mixer Controls" option.)
> >  
> >
>
http://www.gossamer-threads.com/lists/mythtv/users/132922#132922
> 
> Mike
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>
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> 


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