Re: Siemens card and SPDIF

[MK <amk@befree.ch>]

> 
> Hi,
> 
> On Sep 19,  1:29, Lars Bensmann wrote:
> > Subject: Re: Siemens card and SPDIF
>  slots. Tough luck. But I guess, I'm getting a slight bit off topic.
> >
> > How is the card supposed to get the AC3-Stream? I guess cat mpeg2 >
> > /dev/video won't work then. But I'm certain that once this works it will
> > work with all the available tools (VDR, gVideo).
> >-- End of excerpt from Lars Bensmann
> 
> You can't send the AC3 through the video device. The AC3 stream must go to the
> audio device. There are two programs (ac3play, www.alsaplayer.org; ac3spdif,
> URL posted on this list) that use the ALSA interface to output to the audio
> device's SPDIF connection.
> 
> Klaus Schmidingers VDR's would have to be modified to use the ALSA interface.
> 
> There is a program called dvdplayer-0.2 (DVD playback through DVB cards, URL
> posted on this list) that splits the VOB files on DVDs into an MPEG-2 video
> stream going to /dev/video and a audio stream that is downmixed to Dolby
>x Surround by the ac3dec program (www.linuxvideo.org). ac3dec has to be replaced
> by ac3play or ac3spdif to get Dolby Digital playback.
> 

is there any possibility of developing an alsa driver for spdif output through 
the dvb-s card (so it would be usable by any program)? Or are there any
limiting factors in the firmware?

Max