1 files changed, 91 insertions, 0 deletions
diff --git a/abstractions/bpe.py b/abstractions/bpe.py
new file mode 100644
index 0000000..7a54b2c
--- /dev/null
+++ b/abstractions/bpe.py
@@ -0,0 +1,91 @@
+# $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)
+