[mythtv-users] PVR-350 volume

Michael T. Dean mtdean at thirdcontact.com
Tue Sep 13 14:40:50 UTC 2005

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
>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.)


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