[mythtv-users] Lost SPDIF output after apt-get dist-upgrade

[Jim Coates]

----- Original Message ----- 
From: "Julian Edwards" <ed at julian-edwards.com>
To: "Discussion about mythtv" <mythtv-users at mythtv.org>
Sent: Wednesday, April 28, 2004 8:25 AM
Subject: Re: [mythtv-users] Lost SPDIF output after apt-get dist-upgrade


> On Wed, 2004-04-28 at 10:56, Julian Edwards wrote:
> > I am currently posting on the alsa-users mailing list to see if I can
> > get any help there since mine just won't work for OSS :(
>
> At last I have got this fixed thanks to a very helpful guy on the
> Alsa-users list called Peter Zubaj.  This is his response:
>
>
> =========
> "IEC958 Optical Raw Playback Switch" - it is used for AC3 pasthrough
>
> should be muted - for oss emulation, midi playback, wave playback, ..
> alias normal ussage
>
> should be unmuted - for spdif blayback (Raw passthrough of AC3
> stream through spdif, unaltered spdif playback) using spdif device.
>
> "IEC958 Optical Raw Playback Switch" should be muted in your case,
> please mute it.
> =======
>
> After I muted it, OSS emulation is fine, yay.  When you use the spdif
> interface directly, apparently it sets the levels automatically so you
> don't need to worry about unmuting for mplayer/xine/ogle native alsa
> spdif usage.
>
Sounds great, I went to 2.6.5 last night because I couldn't get spdif to
work at all with 2.4.25 (possibly due to not having this information).  Are
you able to get mplayer to output 5.1 dolby digital audio to your spdif?

> Hope that helps someone else too.
> J.
> -- 
> Julian Edwards
> http://www.julian-edwards.com/
>
>


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