[mythtv-users] [ICH/i8x0 | Problems getting SPDIF Out Working -Help!]

Bryan Brannigan bryan.brannigan at gmail.com
Tue Dec 28 14:59:45 UTC 2004


hw:0,0 and hw:0,4 - both seem to work with the same results.


On Tue, 28 Dec 2004 16:22:31 +1030, Michael Cheshire (Mailing Lists)
<michael-mlists at cheshire.id.au> wrote:
> What output device did you use?? ALSA:digital?
> ----- Original Message -----
> From: "Bryan Brannigan" <bryan.brannigan at gmail.com>
> To: "Discussion about mythtv" <mythtv-users at mythtv.org>
> Sent: Tuesday, December 28, 2004 1:28 PM
> Subject: Re: [mythtv-users] [ICH/i8x0 | Problems getting SPDIF Out
> Working -Help!]
> 
> >I had to turn "IEC958 Playback" all the way down to zero to get it to
> > play anything Myth related.. using alsamixer.
> >
> >
> > On Tue, 28 Dec 2004 12:55:35 +1030, Michael Cheshire (Mailing Lists)
> > <michael-mlists at cheshire.id.au> wrote:
> >> Howdy,
> >>
> >> I am wondering if anybody can point me in the right direction to help me
> >> get
> >> my digital out working properly.
> >>
> >> I have trawled websites and mailing lists for info in asound.conf's etc
> >> etc
> >> and have played with this for a fair while.
> >>
> >> I am running Fedora Core 2 with kernel 2.6.9-1.6_FC2, along with mythtv
> >> and
> >> its associated bits installed from rpm from atrpms.net.
> >>
> >> My system is an Open XCube, which has an intel ICH (i8x0) sound card with
> >> optical digital out.
> >>
> >> If I use the asound.conf found here
> >> http://www.mythtv.info/moin.cgi/DigitalSoundHowTo , subsituting hw:0,2
> >> for
> >> hw:0,4 becuase my digital out appears to be on device 4 :
> >>
> >> [root at mythtv root]# aplay -l
> >> **** List of PLAYBACK Hardware Devices ****
> >> card 0: ICH5 [Intel ICH5], device 0: Intel ICH [Intel ICH5]
> >>  Subdevices: 1/1
> >>  Subdevice #0: subdevice #0
> >> card 0: ICH5 [Intel ICH5], device 4: Intel ICH - IEC958 [Intel ICH5 -
> >> IEC958]
> >>  Subdevices: 1/1
> >>  Subdevice #0: subdevice #0
> >> [root at mythtv root]#
> >>
> >> Now this is where it gets a little wierd : If I attempt to play anything
> >> back through plug:digital, I get nothing out the optical out at all.
> >>
> >> I created a stereo 48000hz file and tried using aplay to play directly to
> >> hw:0,4 :
> >>
> >> #aplay -D hw:0,4 /video/music/test.wav
> >>
> >> I get nothing.
> >>
> >> Just for the heck of it, I tried
> >>
> >> #aplay -D hw:0,0 /video/music/test.wav
> >>
> >> and SOUND STARTED PLAYING THROUGH MY DIGITAL OUT???
> >>
> >> Interestingly  :
> >>
> >> #aplay -D analog /video/music/test.wav
> >>
> >> Works fine through my digital output also ???
> >>
> >> But it wont play anything except 48000hz stereo files so I'm assuming
> >> something is broken or not working with dmix here.
> >>
> >> Does anyone know if there is there some default Fedora Core 2 stuff that
> >> I
> >> should be aware of in regards to all of this?
> >>
> >> I basically want to use my digital out for playing music through
> >> Mythmusic
> >> so I need to get the dmix plugin working so it will upsample from 44100hz
> >> mp3s.
> >>
> >> Hopefully someone can suggest something to try here?
> >>
> >> Thanks!
> >>
> >> Michael.
> >>
> >> _______________________________________________
> >> mythtv-users mailing list
> >> mythtv-users at mythtv.org
> >> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >>
> >
> 
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