Re: [Sc-devel] PsyCollider 3.1 - Server side scheduling fixed

["John Glover" <glover.john@xxxxxxxxx>]

Hi,

Also just checked out and built the latest source, and notice that the
files pa_win_waveformat.h and pa_win_waveformat.c (from portaudio) are
missing from the scsynth project, it doesn't build without them.

They're in the portaudio/include and portaudio/src/os/win folders respectively.


John


On 13/12/2007, James Harkins <jamshark70@xxxxxxxxx> wrote:
> Hi Chris,
>
> Oh... I'm really sorry to have to do this to you. It works somewhat
> better, but the timestamps are still off.
>
> An example like this should produce blips exactly evenly spaced --
> since the timestamp should be the logical time (which, on successive
> events, should always be 0.125 seconds since the last one) + latency.
> With a 64-sample block size, timing errors from the Out UGen rounding
> to the next block boundary are undetectable.
>
> SynthDef("sine", { Out.ar(0, (SinOsc.ar(440, 0, 0.2) *
> EnvGen.kr(Env.perc(0.01, 0.05), doneAction: 2)) ! 2) }).send(s);
>
> a = Synth.basicNew("sine", s, -1).newMsg;
> r = fork {
>         loop {
>                 s.sendBundle(0.2, a);
>                 0.125.wait;
>         }
> };
>
> r.stop;
>
> I thought, maybe the block size is higher than on the Mac because of
> some windows driver requirement. So I tried OffsetOut instead of Out
> in the SynthDef and scsynth.exe promptly crashed. :(
>
> Or, are you perhaps measuring the latency from the time scsynth
> received the message? That isn't reliable.
>
> It's better, but I'm afraid there's still some work to do...
> hjh
>
> On Dec 13, 2007 12:38 PM, Christopher Frauenberger <frauenberger@xxxxxx> wrote:
> > Hello,
> >
> > I fixed the server side scheduling of events, which means that
>
>
> --
> James Harkins /// dewdrop world
> jamshark70@xxxxxxxxxxxxxxxxx
> http://www.dewdrop-world.net
>
> "Come said the Muse,
> Sing me a song no poet has yet chanted,
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