Hmm... I did all that and saved it... then tried running the alsaplayer
command with the options you showed and here's what I got in return.
ALSA lib pcm.c:1963: (snd_pcm_open_noupdate) Unknown PCM ch4dup
snd_pcm_open: No such file or directory (ch4dup)
/usr/lib/alsaplayer/output/libalsa.so failed to load
I could not find a suitable output mosule on your system. Make sure
they're in "usr/lib/alsaplayer/output/".
Use the -o parameter to select one.
failed to load output add-on. exiting...
Hmm... I don't get some of this stuff... sorry. Any thoughts?
Thanks, Adam
On Mon, 2002-04-22 at 20:46, Adam K Kirchhoff wrote:
>
> > Hi there alsa-folks! So, I finally have a working ymf754-based card
> > (Hoontech Digital XG) but I have no rear channel output. Is this
> > supported in this driver? I can't seem to find an answer to this... but I
> > will dive into the archives as soon as I finish with this e-missive to
> > y'all. So, any thoughts on how to get the rear channel to show up? I've
> > messed with all sorts of settings in alsamixer (which still doesn't save
> > my settings, even when I use alsactl store).
>
> > Thanks to everyone who's helped me get my card working, though. Great
> > help, really! Todd Witter
>
> Here's a quick summary :-)
>
> There is, in fact, support for the rear output, but only with native Alsa
> support. In other words, it's not directly supported in the OSS emulation
> for the card.
>
> You can map the output from the front speakers to the rear speakers by
> adding the following lines to your .asoundrc file:
>
> pcm.ch4dup {
> type plug
> slave.pcm surround40
> ttable.0.0 1
> ttable.1.1 1
> ttable.0.2 1
> ttable.1.3 1
> }
>
> pcm.dsp0 pcm.ch4dup
>
> You can then play mp3 files with alsaplayer, and get rear output, by
> doing:
>
> $ alsaplayer -d ch4dup song.mp3
>
> It would be nice if this was done automatically (the mapping of the front
> output to the rear). I think this would let all OSS apps to use the rear
> output as well. Jaroslav implied that this would be doable, but as far as
> things go, it wasn't a priority for me and by the time I had some free
> time to look at it, it had slipped my mind.
>
> Adam
>
>
>
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