Dear all (sorry if I am reposting, my first message didn't seem to get
through)

I really need some help to get started with SetInputChannelCallback() on
Csound API, using Python - I couldn't find any examples so I'm trying the
following little test, which doesn't work.

import csnd6
def foo(a, b, c, d):
    c[0] = 440.0
    print "hello"
c = csnd6.Csound()
c.SetOption("-odac")
c.CompileOrc("""
        sr=44100
        ksmps=32
        nchnls=2
        0dbfs=1
        instr 1
          kfreq invalue "freq"
          kenv linsegr 0, .05, 1, .05, 0
          aout vco2 kenv, kfreq
          outs aout, aout
        endin
        """)
c.SetInputChannelCallback(foo)
c.ReadScore("i1 0 0.2 \n i1 0.5 0.2")
c.Start()
while (c.PerformKsmps() == 0):
  pass
c.Stop() 



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