comparison Example VamPy plugins/PyZeroCrossing.py @ 6:e1b508f2f914

Added support to memory buffers to be used with NumPy (and some rationalisation of code)

 #import sys
 
 class PyZeroCrossing: 
 	
 	def __init__(self): 
-		self.m_imputSampleRate = 44100 
+		self.m_imputSampleRate = 0.0 
 		self.m_stepSize = 0
 		self.m_blockSize = 0
 		self.m_channels = 0
 		self.previousSample = 0.0
 		self.threshold = 0.05

 	def getInputDomain(self):
 		return 'TimeDomain'
 			
 	def getOutputDescriptors(self):
 		
-		#descriptors are python dictionary
+		#descriptors are python dictionaries
 		output0={
 		'identifier':'vampy-counts',
 		'name':'Number of Zero Crossings',
 		'description':'Number of zero crossings per audio frame',
 		'unit':' ',

 			
 				prev = sample	
 			self.previousSample = prev
 		else :
 			count = 0.0
-			self.previousSample = inbuf[len(inbuf)-2]
+			self.previousSample = inbuf[len(inbuf)-1]
 
 		feature0={
 		'hasTimestamp':False,		
 		'values':[count],		#strictly must be a list
 		'label':str(count)