[mythtv-users] SPDIF Passthrough stopped working again

[Ole Nissen]

Hi again,

After reading the posts you were referring to I'm beginning to get the
picture. But...

The HDMI device which is my primary device supports up to 7.1 channels. The
overall Audio capability is set to AC3 and DTS.
The HDMI device is only my flatpanel TV which has only 2 speakers therefore
I set the speaker configuration to stereo.. This means that all audio
upscaling is disabled... If I have a passthough device which supports more
than stereo, the logic would be to choose this for audio if the primary
device cant handle it (This should be the case for me if i'm trying to play
more than 2 ch audio), instead of downscaling to stereo, but I guess that is
not the case.

How is it ever possible to use a passthrough device if you have a HDMI
device which natively accepts multichannels, if not the speaker
configuration is honored? If the speakerconfiguration is set to stereo, then
the multichannel audio iś converted to stereo before its send to the hdmi
device. If the speaker configuration is set to 5.1 then multichannel audio
is simply passed to the HDMI device.. Never to the passthrough device..

How I need it to work, worked like a charm for a little more than a week
ago.




2011/1/9 Jean-Yves Avenard <jyavenard at gmail.com>

> On 9 January 2011 21:49, Ole Nissen <mail at olenissen.com> wrote:
> > Hi again
> >
> > As stated in my first post, the "advanced audio settings"  and the
> > "Separate digital output" is checked. On the same line as the "Separate
> > digital output" it says: "Digital output unit:" and here I choose
> > ALSA:iec958;{ AES0 0x06 } and also tried ALSA:iec958;{ AES0 0x02 } and
> > ALSA:iec958:AES0=6 but with the same result.
> > I do not have any where I can choose to "override passthrough device".
> Where
> > exactly is that? Im still using the mythbuntu 0.24 fixed branch by the
> way.
> > When I'm at the field where I put the "Digital output unit" the
> explanation
> > at the buttom states something like:
> > "Deprecated: Output unit for digital sound. This value is currently only
> > used for ALSA and DirectX" (Translated from danish)
>
> It is that field
>
> If it's not doing passthrough, it falls under the same explanation as
> I explained earlier today in the "stereo and 5.1?" thread.
>
> Read it and follow the recommendations I explained there.
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