[alsa-devel] External Plugin Non-Interleaved

Charles Eidsness charles.eidsness at ieee.org
Wed May 21 14:12:41 CEST 2008

> At Tue, 20 May 2008 15:33:03 -0400,
> Charles Eidsness wrote:
>> I'm working on a small ALSA pcm/ctl plugin to add support for LADSPA modules 
>> that include real-time controls (unless I'm missing something it looks like the 
>> native ALSA LADSPA module doesn't include real-time adjustable controls). I want 
>> to use it as a system wide equalizer. I'm using snd_pcm_extplug, I want to force 
>> access to be non-interleaved only but I can't figure out how. Is there some way 
>> to force non-interleaved access for an extplug?

Takashi Iwai wrote:
> No, extplug itself cannot restrict the access format, so far.
> It's possible to add a new restriction to extplug, though...
> Takashi

It would be a nice feature to have. I noticed that ioplug has that restriction, 
the restriction code some ioplug just be pulled into extplug?


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