Istvan Varga's module system should enable using different versions of the
PortAudio library (each with its own name) without changing any existing
Csound code, I think. That's something that you could do yourself if you
can build PortAudio.

The prebuilt Windows executables in the CsoundVST file release use ASIO. If
you build your own Csound executables, you can build with the PortAudio
library that you rebuild with DirectSound or MME drivers instead, although
you will get much worse latency (.02 seconds with DirectSound, possibly
usable in live performance; much worse with MME). The choice of driver is
controlled by the PortAudio library and how it is built. It is
theoretically possible to build PortAudio with all drivers enabled but it
never worked for me and I didn't want to spend time making it work since,
after all, I am a Csound developer not a PortAudio developer. At some point
I or another will try again to make a multi-driver setup. 



Original Message:
-----------------
From: Art Hunkins abhunkin@uncg.edu
Date: Wed, 23 Feb 2005 23:44:07 -0500
To: csound-devel@lists.sourceforge.net
Subject: Re: [Cs-dev] General Update


Steven (or Michael),

Does this mean that ASIO is no longer the required driver for Windows
Csound5?

Art Hunkins

----- Original Message -----
From: "steven yi" 
To: 
Sent: Wednesday, February 23, 2005 9:11 PM
Subject: [Cs-dev] General Update


> Hi All,
>
> I was able to get CS5 working on Windows again (foolish mistake on my
> part in that the rtpa lib wasn't updated in my OPCODEDIR).  Nice to be
> able to use moogladder again!
>
> So far, since I only have MME with the onboard soundcard, I have to say
> that it "feels" not as performant as with csound4, I think simply due to
> things involving tweaking for portaudio.  I've been using "-b 4096 -B
> 4096 -m0 -d -o dac3" and that's been doing well, but I feel like the
> performance in realtime should be better.  Any suggestions?
>
> Besides that, the tablei tweaks seem to so far have yielded a bit of
> fruit with the DX7 emulation, but it's hard to tell for me as I don't
> know if any drawbacks are due to portaudio. I'm leaving now for home to
> try out on Linux and will have a better testing scenario. I'll be
> profiling as well as will test in realtime and non-realtime and check
> the readouts on all of that.
>
> Thanks all for the great work!
> steven
>
>
>
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