Dnia 2009-06-02, wto o godzinie 21:55 +0200, Matthias Saou pisze:
> Basically, I've got an amplifier which decodes AC3 and DTS, and xine,
> mplayer and vlc all send it raw AC3 and DTS streams just fine. But
> Moovida doesn't, and Totem (with the gstreamer backend) doesn't
> either,
> nor does it keep the "AC3 passthrough" option from its preferences
> when
> I choose it (it always reverts to "Stereo").

I suspect you have Pulseaudio running which does not allow passthrough,
so Totem reverts to stereo. If you'd use direct Alsa (use
gnome-sound-properties to select audio output for movie players or just
kill pulseaudio) Totem should pass AC3 through when possible (I never
tried DTS, there's no such option in Totem, so I'd suspect no...).

> Is it not currently possible to use AC3/DTS passthrough with
> Moovida???

Unfortunately no, there's no code for that ATM.

Actually IMO gstreamer's settings (gnome-sound-properties or
gstreamer-properties) should be responsible for that - regardless of the
application playing it (unless it'd explicitly forbid that). If I were
you I'd see if there's a bug for that and file one if there isn't.

Once pulseaudio gets support for digital audio passthrough, it should be
quite straight-forward, too.

-- 
Michał Sawicz <[email protected]>

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