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# $Id: bpe.py,v 1.2 2005-12-17 17:52:01 timblech Exp $
#
# Copyright (C) 2005 Tim Blechmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import pyext
def parse_arguments(*args):
duration = args[0]
if duration == 0:
return args[1:]
length = len(args)
durations = []
breakpoints = []
for i in range(1,length):
if i % 2 == 0:
durations.append(args[i])
else:
breakpoints.append(args[i])
duration_factor = duration / reduce(lambda x,y: x + y, durations)
durations = map(lambda x: x*duration_factor, durations)
ret = []
for i in range(len(durations)):
ret.append(breakpoints[i])
ret.append(durations[i])
ret[-2] = ret[0]
return ret
class Bpe(pyext._class):
_inlets = 1
_outlets = 1
def list_1(self, *args):
if args[0] != 0:
self._outlet(1,parse_arguments(*args))
class VolBpe(pyext._class):
_inlets = 3
_outlets = 1
def __init__(self, dollar1):
try:
self.duration = 1000 / dollar1
except:
self.duration = 1000
self._detach = 1
self._priority(-20)
self.bpe = []
self.running = False
def list_1(self, *args):
arglist = list(args)
arguments = [self.duration] + arglist
self.bpe = arglist
self._outlet(1,parse_arguments(*arguments))
if not self.running:
self._outlet(1, None)
self.running = True
def float_2(self, freq):
self.duration = 1000 / freq;
arguments = self.duration + self.bpe
self._outlet(1,parse_arguments(*arguments))
def float_3(self, switch):
if switch == 0:
self._outlet(1, self.bpe[0], 0, self.bpe[0], self.duration)
else:
self._outlet(1, self.bpe)
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