[mythtv-users] RE: Configuring SPDIF digital out.

Nick knowledgejunkie at gmail.com
Sun Dec 18 17:03:05 EST 2005


On 18/12/05, Johan Kihlström <johan.kihlstrom at bredband.net> wrote:
> sön 2005-12-18 klockan 01:15 +0000 skrev Nick:
> > On 18/12/05, Johan Kihlström <johan.kihlstrom at bredband.net> wrote:
> > > I have a similar setup as above and just did aplay somesoundfile.wav and
> > > it went out the right way(through spdif into SurroundrReciever)
> > >
> > > A lot of hours compiling an googling felt very worthwhile at that point.
> > > Now if only I could get Xine to output to spdif instead of crashing...
> >
> > Johan,
> >
> > When I got xine working with my SPDIF output, the only lines I needed
> > to check (in ~/.xine/config) were:
> >
> > # device used for stereo output
> > audio.device.alsa_front_device:default
> >
> > # pass through to SPDIF
> > audio.output.speaker_arrangement:Pass Through
> >
> > My default PCM device is my SPDIF output (configured using Mike Dean
> > excellent Digital Sound HOWTO), after specifying the speaker option,
> > everything worked immediately, and my blue Dolby Digital light lit up
> > as soon as I played a DVD.
> >
> > The other SPDIF related entries were OK left at their defaults:
> >
> > #audio.device.alsa_passthrough_device:iec958:AES0=0x6,AES1=0x82,AES2=0x0,AES3=0x2
> > #audio.device.alsa_surround51_device:plug:surround51:0
> >
> > Do you get any errors when xine crashes?
> >
> > Nick
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
> Hi Nick,
>
> I have
>
> audio.device.alsa_front_device:default and
> audio.output.speaker_arrangement:Pass Through set.
>
> also the
>
> #audio.device.alsa_passthrough_device:iec958:AES0=0x6,AES1=0x82,AES2=0x0,AES3=0x2
> > #audio.device.alsa_surround51_device:plug:surround51:0
>
> bits.
>
> When trying to play I get : Audio device not available, please check if
> yada, yada.
>
> Only software running the audio device is Xine AFAIK.
>
> In the xine log there's :
>
> audio_decoder error : unknown buffer type 01060000
> audio_decoder error : unknown buffer type 02000000
> audio_decoder error : unknown buffer type 04000000
>
>
> Been googling and fussing around for a couple of days now and haven't
> got to the end of it yet. A bit frustrating really, as this was the
> final hurdle to get a brand new gentoox installation running flawlessly
> on my Xbox with 5.1 sound from all DVB channels that provide it, besides
> running the DVD's with the best sound possible.

What is the output of 'aplay -l' and 'aplay -L' - maybe an incorrect
device is being used? Are you using a customised .asoundrc file?

I'd also make sure the KDE sound server is disabled (if using KDE).

> Best regards & happy holidays!

And to you too!

Nick


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