[mythtv-users] Alsa: duplicate output to SPDIF?

[Kevin Kuphal]

Dave Packham wrote:

>I know that this is possaible to duplicate the analog/spdif output.  To
>test this I installed Windows XP on my myth server (on a clean HD) and
>installed some windows PVR softwares like Snapstream and GBpvr and a few
>others.  They all had no problem with simultaneous playback on both the
>spidf optical out AC3 information and the analog thru the TV speakers.  
> 
>So I know that my hardware most likely yours can handle it... We just
>need to figure out HOW to setup ALSA to give it to us
>  
>
Check here.  Look at either the copy or share plugins.  I've never had 
to use them myself but from their descriptions it would seem that would 
be the track:

http://www.alsa-project.org/alsa-doc/alsa-lib/pcm_plugins.html

Kevin