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share/scripts/DoubleSpeed

 

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#!/usr/bin/python

 

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# -*- coding: utf-8 -*-

 

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# MusE external midi processing script

 

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# By: Mathias Gyllengahm 2009

 

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# DoubleSpeed

 

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import sys,time

 

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testFile = file(sys.argv[1],"r")

 

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inputEvents = testFile.readlines()

 

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testFile.close()

 

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outputEvents=[]

 

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#loop through events

 

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for line in inputEvents:

 

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      if line.startswith('NOTE'):

 

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            tag,tick,pitch,length,velocity = line.split(' ')

 

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            newline = tag + " " + str(int(tick)/2) + " " + pitch + " " + length + " " + velocity

 

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            outputEvents.append(newline)

 

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testFile = file(sys.argv[1],"w")

 

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testFile.writelines(outputEvents)

 

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testFile.close()

 

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