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Re: [fluid-dev] sharing memory of multiple soundfont (follow-up)

From: David Henningsson
Subject: Re: [fluid-dev] sharing memory of multiple soundfont (follow-up)
Date: Mon, 15 Jun 2009 21:59:37 +0200
User-agent: Thunderbird (X11/20090409)

address@hidden skrev:
> Quoting patrick <address@hidden>:
>> i asked the author of qsynth and sadly the support for soundfont
>> sharing as been drop. is there any application or solution for sharing
>> memory space?
> Something like this would be nice.  I'm curious what particular
> functionality you are trying to gain though by having multiple
> FluidSynth instances.  I imagine it probably has to do with audio
> routing.  The other option would be to get FluidSynth to be able to
> accomplish what you want, without having to have multiple instances of it.

I can see the use for memory sharing, especially in a sequencer with
multiple DSSI fluidsynths, which I assume will mean different instances
of everything.

What comes to mind is mmaping the soundfont file and then "stream" from
the mmaped file - that will make the OS do the job for us. I don't know
Whether it will do the job good enough though.

Btw, if we plan to depend on libinstpatch, perhaps the effort (if we
make one) should be made there.

// David

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