def testNormalize(self):
'''Test Normalize Volume'''
largest = 0
f = 'Blip.wav'
media.setTestMediaFolder()
sound = media.makeSound(f)
#for sample in media.getSamples(sound):
counter = 0
while counter < media.getLength(sound):
sample = media.getSampleObjectAt(sound, counter)
largest = max(largest, abs(media.getSample(sample)), media.getSample(sample))
counter += 1
amplification = 32767.0 / largest
counter = 0
while counter < media.getLength(sound):
sample = media.getSampleObjectAt(sound, counter)
louder = amplification * media.getSample(sample)
media.setSample(sample, louder)
counter += 1
original = media.makeSound(f)
counter = 0
while counter < media.getLength(sound):
if( int(media.getSampleValueAt(sound,counter)) != int(media.getSampleValueAt(original,counter)*amplification)):
self.fail("Sample %s not normalized properly" % counter)
#print "%s != %s at %s" % (media.getSampleValueAt(sound,counter), (media.getSampleValueAt(original,counter)*amplification), counter)
counter += 1
def testNormalize(self):
'''Test Normalize Volume'''
largest = 0
f = 'Blip.wav'
media.setTestMediaFolder()
sound = media.makeSound(f)
#for sample in media.getSamples(sound):
counter = 0
while counter < media.getLength(sound):
sample = media.getSampleObjectAt(sound, counter)
largest = max(largest, abs(media.getSample(sample)),
media.getSample(sample))
counter += 1
amplification = 32767.0 / largest
counter = 0
while counter < media.getLength(sound):
sample = media.getSampleObjectAt(sound, counter)
louder = amplification * media.getSample(sample)
media.setSample(sample, louder)
counter += 1
original = media.makeSound(f)
counter = 0
while counter < media.getLength(sound):
if (int(media.getSampleValueAt(sound, counter)) != int(
media.getSampleValueAt(original, counter) *
amplification)):
self.fail("Sample %s not normalized properly" % counter)
#print "%s != %s at %s" % (media.getSampleValueAt(sound,counter), (media.getSampleValueAt(original,counter)*amplification), counter)
counter += 1
def testDecreaseVolume(self):
'''Test Decrease Volume'''
f = SOUNDS + 'Blip.wav'
media.setTestMediaFolder()
sound = media.makeSound(f)
# samples = media.getSamples(sound)
i = 0
counter = 0
print "changing"
# while i <= media.getLength(sound):
for sample in media.getSamples(sound):
value = media.getSample(sample)
media.setSample(sample, (value * 0.5))
print "comparing"
original = media.makeSound(f)
counter = 0
while counter < media.getLength(sound):
if(int(media.getSampleValueAt(sound, counter)) != int(media.getSampleValueAt(original, counter) * 0.5)):
self.fail("Sample %s not decreased properly" % counter)
# print "%s != %s at %s" %
# (media.getSampleValueAt(sound,counter),
# (media.getSampleValueAt(original,counter)*2.0), counter)
counter += 1
def testDecreaseVolume(self):
'''Test Decrease Volume'''
f = SOUNDS + 'Blip.wav'
media.setTestMediaFolder()
sound = media.makeSound(f)
# samples = media.getSamples(sound)
i = 0
counter = 0
print "changing"
# while i <= media.getLength(sound):
for sample in media.getSamples(sound):
value = media.getSample(sample)
media.setSample(sample, (value * 0.5))
print "comparing"
original = media.makeSound(f)
counter = 0
while counter < media.getLength(sound):
if (int(media.getSampleValueAt(sound, counter)) != int(
media.getSampleValueAt(original, counter) * 0.5)):
self.fail("Sample %s not decreased properly" % counter)
# print "%s != %s at %s" %
# (media.getSampleValueAt(sound,counter),
# (media.getSampleValueAt(original,counter)*2.0), counter)
counter += 1
