[mythtv-users] MythTV audio output

Kevin Kuphal kevin.kuphal at myrealbox.com
Sun Jan 18 19:24:37 EST 2004


That's whats weird.  Everything works with OSS and I hear the TV through the
Front Out on the card, but only MythTV will not output through the SPDIF
even though all other OSS apps do...

> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org 
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Ian Forde
> Sent: Sunday, January 18, 2004 6:11 PM
> To: Discussion about mythtv
> Subject: RE: [mythtv-users] MythTV audio output
> 
> 
> On Sun, 2004-01-18 at 13:19, Kevin Kuphal wrote:
> > Relevant Modules.conf lines:
> > 
> > alias char-major-116 snd
> > alias char-major-14 soundcore
> > alias sound-service-0-0 snd-mixer-oss
> > alias sound-service-0-1 snd-seq-oss
> > alias sound-service-0-3 snd-pcm-oss
> > alias sound-service-0-8 snd-seq-oss
> > alias sound-service-0-12 snd-pcm-oss
> > alias snd-card-0 snd-ymfpci
> > post-install snd-card-0 /usr/sbin/alsactl restore 
> >/dev/null 2>&1 || : 
> > pre-remove snd-card-0 /usr/sbin/alsactl store >/dev/null 2>&1 || :
> 
> Hmm... looks good to me.  Personally, I leave out the 
> 'pre-remove' line, so that I always have a good config when I 
> start up even if myth, mplayer, xine, or ogle decide to mess 
> with the alsa settings...
> 
> To test OSS emulation, use mplayer or mpg321 with an OSS 
> output device. 
> See which works, then put that into mythtv...
> 
> 	-I
> 
> > > -----Original Message-----
> > > From: mythtv-users-bounces at mythtv.org
> > > [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of 
> ian at duckland.org
> > > Sent: Sunday, January 18, 2004 3:14 PM
> > > To: Discussion about mythtv
> > > Subject: Re: [mythtv-users] MythTV audio output
> > > 
> > > 
> > > On Sun, 18 Jan 2004, Kevin Kuphal wrote:
> > > 
> > > > I'm having some trouble with audio output from MythTV.
> > > > 
> > > > I have a Redhat 9 system installed with MythTV from RPMs. I'm 
> > > > using the latest RPMs of ALSA.
> > > > I have a Yamaha based sound card that is connected to my 
> > > stereo using the
> > > > SPDIF connection.
> > > > I have my WinTV PCI card (bt878) connected from line out to 
> > > line in of the
> > > > Yamaha card.
> > > > I can play from mplayer, aplay, cat > /dev/dsp, or any
> > > other method and it
> > > > all plays through the SPDIF connection as I have my
> > > .asoundrc set to route
> > > > default pcm to it.
> > > > MythMusic plays fine
> > > > MythVideo plays fine
> > > > 
> > > > Except for MythTV.  I can hear the TV out from a set of computer
> > > > speakers connected to the card but no sound is output to 
> > > the SPDIF connection.
> > > > 
> > > > Any suggestions?  Do I need to compile MythTV with native
> > > alsa support
> > > > (I've been avoiding compiling from source)?
> > > > 
> > > 
> > > What does your /etc/modules.conf say?  It sounds like you
> > > just need to 
> > > make sure that you've got OSS emulation configured, and you 
> > > can tell Myth that 
> > > you're using OSS.  No need for native Myth ALSA support at 
> > > this point.  
> > > Then just point Myth at the correct OSS audio output device...
> > > 
> > > 	-I
> > > 
> > > 
> > 
> > 
> > 
> > 
> ______________________________________________________________________
> > _______________________________________________
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> > mythtv-users at mythtv.org 
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> -- 
>                        __________________________________
>                        Ian Forde, RHCE, CCSE, SCNA, SCDME
>                        CYTBeN, Inc.
>                        ian at duckland.org / ian at cytben.com
> 
> 




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