Thanks Steven for giving it a go - I'm going to try to use the Csound
API instead and limit my py-opcode use to pyassign, ala the
WxController.py example.  Anyone else tried something like this?

b

On 5/16/06, Steven Yi <stevenyi@gmail.com> wrote:
> Hi Ben,
>
> Just gave it a go and didn't get so far. I had to modify the CSD to
> even get Csound to compile (I'm assumed it's reduced from something
> else you were working on) and beyond that, just got a seg fault too.
> Running in gdb, I get:
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x7c918fea in libsndfile_1_dll_iname ()
> (gdb) bt
> #0  0x7c918fea in libsndfile_1_dll_iname ()
> #1  0x7c36b417 in libsndfile_1_dll_iname ()
> #2  0x7c90104b in libsndfile_1_dll_iname ()
> #3  0x1e0a73ce in libsndfile_1_dll_iname ()
> #4  0xe87c3822 in ?? ()
> #5  0x00b5d220 in ?? ()
> (gdb) Cannot access memory at address 0xb5d220
>
> I'm not sure what's going on here though, and since I'm not compiled
> with debug on, can't be more helpful than that.
>
> Anyone else with ideas?
>
> steven
>
>
> On 5/15/06, Ben McAllister <benmca@gmail.com> wrote:
> > Did this go through last time?  It wasn't reflected back to me from the list:
> >
> > ---------- Forwarded message ----------
> > From: Ben McAllister <benmca@gmail.com>
> > Date: May 11, 2006 4:05 PM
> > Subject: pyexec
> > To: csound@lists.bath.ac.uk
> >
> >
> > Hi Folks -
> >
> > I'm seeing a seg fault when I try to use a gui written in Python,
> > launching it via pyexeci in te global section of my orch. My shell
> > output, csd, and py source are pasted below.
> >
> > I launch the .py containing a simple gui with the pyexeci opcode (see
> > below).  The catch (possibly) is that I'm using pyFltk, a python
> > wrapper for fltk.
> >
> > I've got FLTK 1.1.7 on my machine, which is running Winxp pro on an
> > 2GHz Intel Pentium M.
> >
> > One assumption I have, is I should be able to access the global vars
> > here via pyassign.  True?  If anyone can straighten me out as to what
> > I'm doing wrong, I'd appreciate it.
> >
> > Thanks so much - Ben
> > http://www.listenfaster.com
> >
> > ---------------------------------------
> > Complete Shell output:
> > Localisation of messages is disabled, using default language.
> > time resolution is 279.365 ns
> > PortMIDI real time MIDI plugin for Csound
> > WARNING: 'c:\csound5\plugins\portaudio.dll' is not a Csound plugin library
> > PortAudio real-time audio module for Csound
> > Windows MME real time audio and MIDI module for Csound by Istvan Varga
> > 0dBFS level = 32768.0
> > Csound version 5.02.0 beta (float samples) Apr  9 2006
> > libsndfile-1.0.15
> > UnifiedCSD:  pytest2.csd
> > STARTING FILE
> > Creating orchestra
> > Creating score
> > orchname:  C:\DOCUME~1\benm\LOCALS~1\Temp\cs9.orc
> > scorename: C:\DOCUME~1\benm\LOCALS~1\Temp\cs10.sco
> > rtaudio: PortAudio module enabled ... using callback interface
> > rtmidi: PortMIDI module enabled
> > orch compiler:
> > 9 lines read
> >         instr   1
> > Elapsed time at end of orchestra compile: real: 0.035s, CPU: 0.031s
> > sorting score ...
> >         ... done
> > Elapsed time at end of score sort: real: 0.038s, CPU: 0.031s
> > Csound version 5.02.0 beta (float samples) Apr  9 2006
> > displays suppressed
> > 0dBFS level = 32768.0
> > Csound tidy up: Segmentation violation
> > inactive allocs returned to freespace
> > end of score.              overall amps:      0.0
> >            overall samples out of range:        0
> > 0 errors in performance
> >
> > ----------------------------------------
> >
> > ----------------------------------------
> > My csd:
> > <CsoundSynthesizer>
> > <CsInstruments>
> > sr=44100
> > kr=4410
> > ksmps=10
> > nchnls=1
> > pyinit
> > pyexeci "dial.py"
> > instr 1
> > pyassign "aDial.value", kvalue
> > oscili 10000, kvalue, 1
> > endin
> > </CsInstruments>
> > <CsScore>
> > f 1 0 16384 9 1 1 0
> > i1 0 3600
> > e
> > </CsScore>
> > </CsoundSynthesizer>
> >
> > ----------------------------------------
> > dial.py:
> > from fltk import *
> > # global object names
> > aDial = None      # type 'Fl_Dial' from '()'
> > aText = None      # type 'Fl_Line_Dial' from '()'
> >
> > def dialChanged(dial):
> >     aDial.value(dial.value())  # code
> >     aText.value(dial.value()*800)  # code
> >
> > def main():
> >     global aDial
> >     global aText
> >     o_1_0 = Fl_Window(550, 247, 269, 116)
> >     o_1_0.pyChildren=[]
> >
> >     aDial = Fl_Dial(20, 15, 45, 45, "Dial")
> >     aDial.pyChildren=[]
> >     aDial.label('Dial')
> >     aDial.callback(dialChanged)
> >     o_1_0.pyChildren.append(aDial)
> >
> >     aText = Fl_Value_Output(190, 15, 45, 45, "freq")
> >     aText.pyChildren=[]
> >     aText.label('Freq')
> >     aText.value(10)
> >     o_1_0.pyChildren.append(aText)
> >
> >     o_1_0.color(215)
> >     o_1_0.end()
> >     return o_1_0
> >
> > if __name__=='__main__':
> >     import sys
> >     window = main()
> >     window.show(len(sys.argv), sys.argv)
> >     Fl.run()
> > --
> > Send bugs reports to this list.
> > To unsubscribe, send email to csound-unsubscribe@lists.bath.ac.uk
> >
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