Re: DMIX and capture stream

[Takashi Iwai <tiwai@suse.de>]

At Wed, 07 Jan 2004 13:45:05 +0100,
Abramo Bagnara wrote:
> 
> Takashi Iwai wrote:
> 
> > as written in my previous mail, it was a quick hack.  and there is a
> > better approach.
> 
> I'd prefer the following approach:
> 
> pcmp.duplex {
> 	type dmix
> 	...
> }
> 
> pcmc.duplex {
> 	type dsnoop
> 	...
> }
> 
> with the following policy:
> - if capture is specified pcmc and pcm are searched in this order
> - if playback is specified pcmp and pcm are searched in this order

this was my first idea, too.

but i'm afraid that it will lead to more conditionals (i.e. more
codes) over all plugins with a slave pcm, and make the syntax more
complicated.


> This would solve also the annoying problem of pcm that are valid only 
> for one direction and should not be used (or browsed) for the other.

it's also possible by defining only playback or capture

	pcm.playbackonly {
		type asym
		playback.pcm foo
	}

then the rest stream will remain undefined.


Takashi


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