Messages in this thread | | | Date | Fri, 10 Dec 1999 15:11:21 +0000 | From | Derek Fawcus <> | Subject | Re: Number of sound channels? |
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On Fri, Dec 10, 1999 at 02:04:36AM +0000, Alan Cox wrote: > > This is kind of an unrelated question. Has anyone ever > > implemented software mixing such that /dev/dsp can be opened > > for output multiple times? Or is that functionality going > > to remain strictly the domain of esd? > > The commercial OSS did. We regard it as the wrong answer.
Care to elaborate why? Or are you only referring to when the driver is attempting s/w mixing.
> Esd is one approach although esd itself is currently very very limited > in its facilities. For example many of my sound cards have 6 or 8 > channels, but esd only knows how to use one and always software mix > for it. Needless to say this isnt ideal
I'd have thought you'd want to be able to open the soundcard as many times as you want and 'grab' a subset of the available channels.
The only other approach would be to allow one open, export all channels, and then have a super-esd that subsequently re-exports to apps.
DF -- Derek Fawcus derek@spider.com Spider Software Ltd. +44 (0) 131 475 7034 PGP/GnuPG Keys available
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