I took a hasty glance through your code, and it seems to copy spout to PD and spin from PD.

Perhaps the problem with 2 instances playing 1 Csound score/orchestra is that the file(s) get(s) locked by the first instance? It would be easy to test that by making an identical copy of the score/orchestra with a different name, and then try running 2 instances in PD.

Regards,
Mike

-----Original Message-----
From: Michael Gogins 
Sent: May 15, 2005 1:39 PM
To: csound-devel@lists.sourceforge.net
Subject: Re: [Cs-dev] csoundapi~

If one thread performs multiple instances of Csound, this is possible, but it is then necessary for that thread to call performKsmps for each instance -- I haven't looked at your code. If you're doing that, then there's some other problem. Are you feeding audio to PD or putting it directly out to the sound card? I think it would work better to put it out to PD, the same way CsoundVST copies from its output buffer to the plugin audio output buffer.

PS I will go look at your code now...

Regards,
Mike

-----Original Message-----
From: Victor Lazzarini 
Sent: May 15, 2005 1:29 PM
To: csound-devel@lists.sourceforge.net
Subject: Re: [Cs-dev] csoundapi~

I suggested that perhaps the fact that Istvan's
program runs two separate threads is the difference.

Gerard, thanks for testing it.

Victor

>
>
> gerard van dongen wrote:
>
> > Trying to play 2 instances that both played back
> > trapped.csd failed.  The  second one would not play back
> at all.
>
> Is this only in PD ? I was able to play two instances of
> "Trapped" with this simple C program.
>
>
>
> [Attachment: test.c]


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