[mythtv-users] Nvidia 8400GS SPDIF/HDMI pass through.. how?

[Mitch Gore]

On Mon, Oct 5, 2009 at 10:31 AM, Roy Lofthouse <lofty69 at gmail.com> wrote:
> I've been pulling my hair out at this for two days now, but I can't
> seem to get my nvidia 8400GS to play sound via the HDMI.
>
> I've connected the cable that comes with it from the onboard SPDIF
> header to the SPDIF (in) of the nv card, but I can't seem to get the
> thing working..
>
> Maybe someone who has experience of this can help me out a bit?? :)
>
> Once the cable is connected I presume I should just set my sound to
> play through the SPDIF connection?
>
> aplay -l shows the following:
>
> **** List of PLAYBACK Hardware Devices ****
> card 0: Intel [HDA Intel], device 0: ALC880 Analog [ALC880 Analog]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
> card 0: Intel [HDA Intel], device 1: ALC880 Digital [ALC880 Digital]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>
> and I then run:
>
> mplayer -ao alsa:device=hw=0.2 <file> to try and test this, but
> nothing happens.. (no errors initially when running this)
>
> Should I be seeing another device?  I would have thought that the
> cable just passes the audio to the card and using the digital device
> would just work?
>
> I've upgraded alsa to 0.21 but it's still the same.
>
> I've now been messing about so much that I'm starting to get the
> following when running the above mplayer command.
>
> [AO_ALSA] alsa-lib: pcm_hw.c:1325:(snd_pcm_hw_open) open
> /dev/snd/pcmC0D2p failed: No such file or directory
>
> Would appreciate any help
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did you un-mute the IEC port in alsamixer?

-- 
Mitchell