Re: how to enable optical output on VIA VT1708S?

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>
> You could try
> mplayer -ao alsa:device=spdif -ac hwdts
> But I think there will be no difference.
>
> Maybe you can ask this question to the mplayer mailing list:
> mplayer-users@xxxxxxxxxxxx
>
> Sorry I can't help you...
>
> Floris

In fact, no sound...
Eventually I will try mplayer list (another list to subscribe to... ;-( )

Could it be something related with sample rate, for example that on
optical I can only send at 48000Hz, in general or due to some sort of
limitation of recevier?
I ask this because with a command I found:

mplayer -v -vo null -ao alsa:device=spdif -afm hwac3 -rawaudio
format=0x2000 -demuxer rawaudio dts_the_other_side_44khz.wav

I don't get any sound, but the lock led switches on, the sound seems
to go faster and file temrinates quickly.... and in output I get

Trying to force audio codec driver family hwac3...
Opening audio decoder: [hwac3] AC3/DTS pass-through S/PDIF
dec_audio: Allocating 8192 bytes for input buffer.
dec_audio: Allocating 16384 + 65536 = 81920 bytes for output buffer.
No accelerated IMDCT transform found
hwac3: switched to AC3, 80000 bps, 48000 Hz
AUDIO: 48000 Hz, 2 ch, ac3, 80.0 kbit/5.21% (ratio: 10000->192000)
Selected audio codec: [hwac3] afm: hwac3 (AC3 through S/PDIF)
==========================================================================
Building audio filter chain for 48000Hz/2ch/ac3 -> 0Hz/0ch/??...

and the same is true for the mkv files:

AUDIO: 48000 Hz, 2 ch, ac3, 768.0 kbit/50.00% (ratio: 96000->192000)

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