Does it mean I have to open "plughw:0,0,0", "plughw:0,0,1"...or
"plug:dmix" ?
I did not find any doc about device name with snd_pcm_open, and
aplay -l does not list anything
like plughw, etc...
If I open "plughw:0,0,0", "plughw:0,0,1" for my via 686b, will it
continue to work on other soundcard
in the same way (with multiple stream with different format) ?
Thanks,
David
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Clemens Ladisch
> Sent: Thursday, July 10, 2003 5:57 PM
> To: David Scr�ve
> Cc: [EMAIL PROTECTED]
> Subject: Re: [Alsa-user] Multiple sounds playback
>
>
> David Scr�ve wrote:
> > I've successfully been able to play one sound using the
> > snd_pcm_open("plughw:0,0"...) and snd_pcm_writei, but if I want to
> > play another sound, snd_pcm_open hangs and I'm unable to
> paly another
> > sound. I though Alsa was responsible for mixing and
> hardware channel
> > allocation ?
>
> Only if you use the right plugin for this. Try "plug:dmix"
> instead of "plughw:0,0".
>
> > I have a via_82xx Alsa driver, but it does not seems to handle
> > severals pcm playback at the same time : I cannot open device with
> > name "plughw:1,0","plughw:0,1",etc...
>
> See "aplay -l" for a list of PCM devices. The additional
> streams on VIAxxx are subdevices of the first device IIRC, so
> their name would be "plughw:0,0,0", "plughw:0,0,1" etc.
>
>
> HTH
> Clemens
>
>
>
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