[mythtv-users] Using ALSA's "Softvol" plugin to create a volume
control for SPDIF output?
Kevin Kuphal
kuphal at dls.net
Sat Dec 3 17:56:35 EST 2005
Paul V. Gratz wrote:
>Hey All,
>
> A little while back someone mentioned that you could use softvol to
>create a volume control for S/PDIF output. I've been trying to make
>this work. I've got S/PDIF output working great (thanks to help from
>reading this mailing list and a few sites found w/ google) however my
>receiver is placed in side a thing that does not allow IR access to it
>w/o opening it. I'd like to set my receiver's volume at a certain
>level for normal listening and then use softvol to adjust it down from
>there when we want to lower it (IE, at night when others are sleeping
>or whatever). Here is what I tried for my .asoundrc:
>
>pcm.spdifvol {
> type softvol
> slave.pcm "spdif"
> control {
> name "SPDIF Playback Volume"
> card 0
> }
>}
>
>but I'm not sure how to use this. Any ideas?
>
>
>
Maybe this helps
http://www.alsa-project.org/alsa-doc/alsa-lib/pcm_plugins.html
Kevin
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