On Tue, 24 Feb 2004, John Haxby wrote:
> Kirk Bauer wrote:
>
> >On Tue, 24 Feb 2004, Jaroslav Kysela wrote:
> >
> >
> >
> >>>mpg123 -s test.mp3 | aplay --device=channel2 --channels=2 -f cd
> >>>--buffer-time=1000000 -
> >>>
> >>>[snip]
> >>>
> >>>
> >pcm.dmixer {
> > type dmix
> > ipc_key 1024 # must be unique!
> > slave {
> > pcm "hw:0,0" # you cannot use a "plug" device here, darn.
> > period_time 0
> > period_size 1024 # must be power of 2
> > buffer_size 6553 # dito. It
> > #format "S32_LE"
> > #periods 128 # dito.
> > #rate 8000 # with rate 8000 you *will* hear,
> > # if ossmix is used
> > }
> >}
> >
> >
> When I tried this, I needed "rate 44100" ... the re-sampling would make
> aplay use a lot of CPU time. Also, I don't know if there's a
> transcription error, but "buffer_size 6553" looks like a typo -- it's
> not a power of two, but 65536 is of course.
Well power of two requirement is for the alsa-oss and this drawback was
removed in 1.0.3rc1 alsa-oss package - try it.
The 6553 value is the maximum for ICE1712 chipset.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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