excellent idea, it works well.   downside is that i can't load unmodified 
csd's/orc's directly in.  but that's not a biggie.  

On Thursday 03 April 2008 23:03, Victor Lazzarini wrote:
> Why don't you dedicate an instrument to write files using fout?
> Victor
>
> At 10:47 03/04/2008, you wrote:
> >for my own work, rewinding the score is not a problem. i'm not trying to
> > do realtime output at all.  i just want to render independant chunks of
> > dynamically created score,  without having to reload the orchestra for
> > every single chunk.
> >
> >i don't use the performance thread stuff at all, i simply render (in my
> > own python thread) by loading up a bunch of notes with csoundScoreEvent,
> > and then calling csoundPerformBuffer until i have the required amount of
> > output.
> >
> >so the structural facilites of csound are currently suitable for me.  its
> >probably more of a python issue that i can't get the output buffer data
> > out of csound in an efficient form.
> >
> >one or two simple C/SWIG functions would solve all my issues.
> >
> >On Thursday 03 April 2008 18:27, Steven Yi wrote:
> > > Hi Lilith,
> > >
> > > This brings up some bigger issues but ones worth addressing.
> > > Currently, as far as I know, there is no indefinite playing mode for
> > > csound.  Something like that might be worth putting in so that the
> > > main kperf  thread will just keep running even if there are no active
> > > score events.  If we do that, then we can introduce a
> > > "csoundClearScore" method that would wipe all score events.  That way,
> > > you wouldn't need to rewind the score or anything, just keep it going
> > > and call the csoundScoreEvent.  Also, this would allow the possibility
> > > of indefinite running of csound for things like installations.
> > >
> > > I have the feeling this has been discussed before a long while back,
> > > and that there was some kind of complication due to scoreTime.  I
> > > remember Istvan changing it from an int to a long or something like
> > > that to make the max score time longer.  I can not recall all the
> > > issues though.
> > >
> > > Lilith and everyone: Any thoughts on this?  Anyone remember any
> > > threads regarding this kind of thing?
> > >
> > > Thanks,
> > > steven
> > >
> > > On Wed, Apr 2, 2008 at 8:10 PM, Lilith Bryant <dark141@gmail.com> wrote:
> > > > I wonder if I could tap the list here for some advice.
> > > >
> > > >  I'm writing a score writer front-end in python using the csound API.
> > > >
> > > >  The big idea with this project, is to be able to quickly change the
> > > > score and re-render with having csound reload the whole orchestra/csd
> > > > file for every simple score change.  So i'm simply calling the
> > > > csoundCompile and all the prequisites once at the beginning of my
> > > > application (or whenever the user asks to reload the orchestra/csd)
> > > >
> > > >  Then for each renderering, I call csoundScoreRewind and then
> > > > csoundScoreEvent for each note.
> > > >
> > > >  Which works as expected, except the output wav file simply grows
> > > > with easy pass.  i.e. it  csoundScoreRewind doesn't clear it, like
> > > > would be useful for this case.
> > > >
> > > >  Now I can alternatively not use wav file output at all, and use
> > > >  csoundSetHostImplementedAudioIO and manually fish out the samples,
> > > > and write them to a wav file myself.  But this is python and that
> > > > hideously slow.
> > > >
> > > >  So the questions are:
> > > >  1) Is there a way to restart the wav file output without reloading
> > > > the orchestra/csd?
> > > >
> > > >  OR
> > > >
> > > >  2) Is there a quick way to fish out the output buffer samples into a
> > > > python string or array, for writing out to file using the python wav
> > > > module?
> > > >
> > > >  The best i have so far is something like:
> > > >
> > > >  ob=csnd.csoundGetOutputBuffer(self.cs)
> > > >  fa=csnd.floatArray.frompointer(ob)
> > > >  sa=array.Array('h',[0]*buffersize*2)
> > > >  for n in range(buffersize*2):
> > > >         sa[n]=fa[n]*32767
> > > >  wavdata=sa.tostring()
> > > >
> > > >  which really SUCKS performance-wise (not surprisingly).
> > > >
> > > >  I don't want to write a C/SWIG function to do just this, since i
> > > > want to be able to give this to people who aren't up to running
> > > > compilers.
> > > >
> > > >
> > > >  Send bugs reports to this list.
> > > >  To unsubscribe, send email sympa@lists.bath.ac.uk with body
> > > > "unsubscribe csound"
> > >
> > > Send bugs reports to this list.
> > > To unsubscribe, send email sympa@lists.bath.ac.uk with body
> > > "unsubscribe csound"
> >
> >Send bugs reports to this list.
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> >csound"
>
> Victor Lazzarini
> Music Technology Laboratory
> Music Department
> National University of Ireland, Maynooth
>
>
>
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