[mythtv-users] [ICH/i8x0 | Problems getting SPDIF Out Working -
Help!]
Bryan Brannigan
bryan.brannigan at gmail.com
Tue Dec 28 02:58:12 UTC 2004
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.
>
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