def test_split_buffer(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
length = random.triangular(0.1, sound.dur)
framelength = int(length * sound.samplerate)
durations = []
for grain in sound.grains(length):
durations += [grain.dur]
# The final grain isn't padded with silence,
# so it should only be the grain length if
# it can be divided equally into the total
# length.
for grain_length in durations[:-1]:
self.assertEqual(int(grain_length * sound.samplerate), framelength)
# Check that the remainder grain is the correct length
remainderframes = int(
(sound.dur - sum(durations[:-1])) * sound.samplerate)
self.assertEqual(int(durations[-1] * sound.samplerate),
remainderframes)
print(durations[-1], remainderframes)
# Check that all the grains add up
self.assertEqual(sum(durations), sound.dur)
def test_random_split_buffer(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
durations = []
for grain in sound.grains(0.001, sound.dur):
durations += [grain.dur]
# Check that the remainder grain is not 0
self.assertNotEqual(durations[-1], 0)
# Check that all the grains add up
self.assertEqual(sum(durations), sound.dur)
def _split(length):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
total = 0
for grain in sound.grains(length):
total += len(grain)
# Check that the remainder grain is not 0
self.assertNotEqual(len(grain), 0)
# Check that all the grains add up
self.assertEqual(total, len(sound))
def test_random_split_buffer(self):
sound = SoundBuffer('tests/sounds/guitar1s.wav')
lengths = []
for grain in sound.grains(1, len(sound)):
lengths += [ len(grain) ]
# Check that the remainder grain is not 0
self.assertNotEqual(lengths[-1], 0)
# Check that all the grains add up
self.assertEqual(sum(lengths), len(sound))
def test_random_split_buffer(self):
for _ in range(100):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
total = 0
for grain in sound.grains(0.001, sound.dur):
total += len(grain)
# Check that the remainder grain is not 0
self.assertNotEqual(len(grain), 0)
# Check that all the grains add up
self.assertEqual(total, len(sound))
def test_split_buffer(self):
sound = SoundBuffer('tests/sounds/guitar1s.wav')
length = random.randint(1, len(sound))
lengths = []
for grain in sound.grains(length):
lengths += [ len(grain) ]
# The final grain isn't padded with silence,
# so it should only be the grain length if
# it can be divided equally into the total
# length.
for grain_length in lengths[:-1]:
self.assertEqual(grain_length, length)
# Check that the remainder grain is the correct length
self.assertEqual(lengths[-1], len(sound) - sum(lengths[:-1]))
# Check that all the grains add up
self.assertEqual(sum(lengths), len(sound))