[mythtv] Ticket #1104: multi channel audio support

[Ma Begaj]

2007/12/9, Paul Catchpole <paul at paulcatchpole.co.uk>:
> MythTV wrote:
> > #1104: multi channel audio support
> > -------------------------+--------------------------------------------------
> >  Reporter:  Mark Spieth  |        Owner:  ijr
> >      Type:  enhancement  |       Status:  new
> >  Priority:  minor        |    Milestone:  0.21
> > Component:  mythtv       |      Version:  head
> >  Severity:  medium       |   Resolution:
> >   Mlocked:  0            |
> > -------------------------+--------------------------------------------------
> >
> > Comment(by anonymous):
> >
> >  I am using markspieth's .asoundrc file, and it is working great.
> >
> >  But I have two problems:
> >
> >  1. Sound in MythMusic "crackles" a little bit. Changing volume does not
> >  help.
> >
> >  2. If the volume of PCM (I have no Master) is on 0 (zero), I can still
> >  hear some sound on the speakers. Sound is gone only if I mute it directly
> >  in alsamixer. MythTv's muting does not actually mute the sound, but it
> >  sets it to zero.
> >
> >  I have no Master in alsamixer, and I thought about putting a softvol
> >  device called Master, to be able to use it in MythTv. I used this code,
> >  but it does not work:
> >
> >  pcm.!default {
> >     type             softvol
> >     slave.pcm       "ch51dup"
> >     control {
> >         name "Master"
> >         card 0
> >     }
> >  }
> >
> >
>
> The below is my asound.conf for the fake volume master - works fine.
> Fakerear is my equivalent of your ch51dup.
>
> HTH, PC
>
> pcm.softvol {
>     type            softvol
>     slave {
>         pcm         "fakerear"
>     }
>     control {
>         name        "SoftMaster"
>         card        0
>     }
> }

How do you use SoftMaster in MythTv? As I remember it is only possible
to choose between PCM and Master