Re: [gentoo-user] Alsa SPDIF+analog at same time

[Alexander Puchmayr]

Am Dienstag 10 November 2009 00:34:44 schrieb Iain Buchanan:
> On Mon, 2009-11-09 at 17:50 +0100, Alexander Puchmayr wrote:
> > Hi there!
> >
> > I'd like to have an audio signal on both the SPDIF and the analog output.
> > I know that this is possible, since I had such configuration some weeks
> > ago, but due to some circumstance I really can't reproduce it suddenly
> > doesn't work anymore.
>
> possibly alsa / gnome updates?
>

Definitely not, its a dedicated mythtv box and I didn't change software 
configuration for a long time. The box does not have any gnome or kde or the 
like installed.

> > SPDIF itself works fine when playing AC3 or DTS streams in Mythtv, but
> > there's only an analog signal when I play videos that only have MP2/MP3
> > streams or if I play music (mp3,ogg, etc) - there is no signal on SPDIF
> > in this case.
> >
> > So, how do I get back the non-AC3/DTS-Audiostreams on SPDIF?
>
> with mplayer I used to use this command to get spdif output:
> mplayer -afm hwac3 blah.avi
>
> also, with the old (2.24?) gnome alsa mixer, I found I had to add the
> spdif or IEC device (can't quite remember), and although it was a
> slider, it only worked in an on or off fashion.
>
I played around with some IEC settings, no effect.

Greetings, 
    Alex