diff options
author | Thomas Grill <xovo@users.sourceforge.net> | 2009-04-01 21:13:09 +0000 |
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committer | Thomas Grill <xovo@users.sourceforge.net> | 2009-04-01 21:13:09 +0000 |
commit | 0ed7a8b68dd73e2b0473b8127aeca99f3bac9061 (patch) | |
tree | 5c67818b38a5cc2f9caa5ca7f8640ca356adf02b /externals/grill/py/scripts/sig.py | |
parent | bb4c7f6a245394d09dac9adfb2efb093d3d98452 (diff) |
cleaned up grill externals - replaced with svn:externals to svn.grrrr.org/ext/trunk/
svn path=/trunk/; revision=10951
Diffstat (limited to 'externals/grill/py/scripts/sig.py')
-rw-r--r-- | externals/grill/py/scripts/sig.py | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/externals/grill/py/scripts/sig.py b/externals/grill/py/scripts/sig.py deleted file mode 100644 index 09be7b66..00000000 --- a/externals/grill/py/scripts/sig.py +++ /dev/null @@ -1,100 +0,0 @@ -# py/pyext - python script objects for PD and MaxMSP -# -# Copyright (c) 2002-2005 Thomas Grill (gr@grrrr.org) -# For information on usage and redistribution, and for a DISCLAIMER OF ALL -# WARRANTIES, see the file, "license.txt," in this distribution. -# - -"""This is an example script for the py/pyext signal support. - -For numarray see http://numeric.scipy.org -It will probably once be replaced by Numeric(3) -""" - -try: - import pyext -except: - print "ERROR: This script must be loaded by the PD/Max py/pyext external" - -try: - import psyco - psyco.full() - print "Using JIT compilation" -except: - # don't care - pass - -import sys,math - -try: - import numarray -except: - print "Failed importing numarray module:",sys.exc_value - - -class gain(pyext._class): - """Just a simple gain stage""" - - gain = 0 - - def _signal(self): - # Multiply input vector by gain and copy to output - try: - self._outvec(0)[:] = self._invec(0)*self.gain - except: - pass - - -class gain2(pyext._class): - """More optimized version""" - - gain = 0 - - def _dsp(self): - if not self._arraysupport(): - print "No DSP support" - return False - - # cache vectors in this scope - self.invec = self._invec(0) - self.outvec = self._outvec(0) - # initialize _signal method here for optimized version - if self.invec is self.outvec: - self._signal = self.signal1 - else: - self._signal = self.signal2 - return True - - def signal1(self): - # Multiply signal vector in place - self.outvec *= self.gain - - def signal2(self): - # Multiply input vector by gain and copy to output - self.outvec[:] = self.invec*self.gain - - -class pan(pyext._class): - """Stereo panning""" - - def __init__(self): - self.float_1(0.5) - - def float_1(self,pos): - """pos ranges from 0 to 1""" - x = pos*math.pi/2 - self.fl = math.cos(x) - self.fr = math.sin(x) - - def _dsp(self): - # if _dsp is present it must return True to enable DSP - return pyext._arraysupport() - - def _signal(self): - # Multiply input vector by gain and copy to output - iv = self._invec(0) - # first process right output channel because left one could be - # identical to input - # we could also test with 'self._outvec(1)[:] is iv' - self._outvec(1)[:] = iv*self.fr - self._outvec(0)[:] = iv*self.fl |