def test_save(self):
samplerate = 44100
data = self.fourSinusoids(samples=400)
wavefile.save("file.wav", data, samplerate=samplerate)
readsamplerate, readdata = wavefile.load("file.wav")
np_assert_almost_equal(readdata, data, decimal=7)
self.assertEqual(readsamplerate, samplerate)
def test_save(self) :
samplerate = 44100
data = self.fourSinusoids(samples=400)
wavefile.save("file.wav", data, samplerate=samplerate)
readsamplerate, readdata = wavefile.load("file.wav")
np_assert_almost_equal(readdata, data, decimal=7)
self.assertEqual(readsamplerate, samplerate)
def test_readIter(self) :
blockSize = 100
data = self.fourSinusoids(samples=400)
self.writeWav("file.wav", data)
with wavefile.WaveReader("file.wav") as r :
for i, readdata in enumerate(r.read_iter(blockSize)) :
np_assert_almost_equal(data[:,i*blockSize:(i+1)*blockSize],readdata)
self.assertEqual(3, i)
def test_read(self) :
data = self.fourSinusoids(samples=400)
self.writeWav("file.wav", data)
with wavefile.WaveReader("file.wav") as r :
readdata = np.zeros((4, 1000), np.float32, order='F')
size = r.read(readdata)
self.assertEqual(size, 400)
np_assert_almost_equal(readdata[:,:size], data, decimal=7)
def test_dateindex_conversion(self):
decimals = 9
for freq in ('B', 'L', 'S'):
dateindex = tm.makeDateIndex(k=10, freq=freq)
rs = self.dtc.convert(dateindex, None, None)
xp = converter.dates.date2num(dateindex)
np_assert_almost_equal(rs, xp, decimals)
def test_save_asCOrder(self) :
samplerate = 44100
data = self.fourSinusoids(samples=400)
data = np.ascontiguousarray(data)
wavefile.save("file.wav", data, samplerate=samplerate)
readsamplerate, readdata = wavefile.load("file.wav")
np_assert_almost_equal(readdata, data, decimal=7)
self.assertEqual(readsamplerate, samplerate)
def test_dateindex_conversion(self):
decimals = 9
for freq in ('B', 'L', 'S'):
dateindex = tm.makeDateIndex(k = 10, freq = freq)
rs = self.dtc.convert(dateindex, None, None)
xp = converter.dates.date2num(dateindex._mpl_repr())
np_assert_almost_equal(rs, xp, decimals)
def test_save_asCOrder(self):
samplerate = 44100
data = self.fourSinusoids(samples=400)
data = np.ascontiguousarray(data)
wavefile.save("file.wav", data, samplerate=samplerate)
readsamplerate, readdata = wavefile.load("file.wav")
np_assert_almost_equal(readdata, data, decimal=7)
self.assertEqual(readsamplerate, samplerate)
def test_read(self):
data = self.fourSinusoids(samples=400)
self.writeWav("file.wav", data)
with wavefile.WaveReader("file.wav") as r:
readdata = np.zeros((4, 1000), np.float32, order='F')
size = r.read(readdata)
self.assertEqual(size, 400)
np_assert_almost_equal(readdata[:, :size], data, decimal=7)
def test_readIter(self):
blockSize = 100
data = self.fourSinusoids(samples=400)
self.writeWav("file.wav", data)
with wavefile.WaveReader("file.wav") as r:
for i, readdata in enumerate(r.read_iter(blockSize)):
np_assert_almost_equal(
data[:, i * blockSize:(i + 1) * blockSize], readdata)
self.assertEqual(3, i)
def test_readIter_nonExactBlock(self) :
blockSize = 100
data = self.fourSinusoids(samples=410)
self.writeWav("file.wav", data)
with wavefile.WaveReader("file.wav") as r :
for i, readdata in enumerate(r.read_iter(blockSize)) :
np_assert_almost_equal(
data[:,i*blockSize:i*blockSize+readdata.shape[1]],
readdata)
self.assertEqual(4, i)
def test_readIter_nonExactBlock(self):
blockSize = 100
data = self.fourSinusoids(samples=410)
self.writeWav("file.wav", data)
with wavefile.WaveReader("file.wav") as r:
for i, readdata in enumerate(r.read_iter(blockSize)):
np_assert_almost_equal(
data[:, i * blockSize:i * blockSize + readdata.shape[1]],
readdata)
self.assertEqual(4, i)
def assertLoadWav(self,
filename,
expectedData=None,
expectedSamplerate=44100,
expectedShape=None):
samplerate, data = wavefile.load("file.wav")
if expectedShape is not None:
self.assertEqual(data.shape, expectedShape)
if expectedData is not None:
np_assert_almost_equal(expectedData, data, decimal=7)
self.assertEqual(expectedSamplerate, samplerate)
def test_conversion_float(self):
decimals = 9
rs = self.dtc.convert(Timestamp('2012-1-1 01:02:03', tz='UTC'), None, None)
xp = converter.dates.date2num(Timestamp('2012-1-1 01:02:03', tz='UTC'))
np_assert_almost_equal(rs, xp, decimals)
rs = self.dtc.convert(Timestamp('2012-1-1 09:02:03', tz='Asia/Hong_Kong'), None, None)
np_assert_almost_equal(rs, xp, decimals)
rs = self.dtc.convert(datetime(2012, 1, 1, 1, 2, 3), None, None)
np_assert_almost_equal(rs, xp, decimals)
def test_conversion_float(self):
decimals = 9
rs = self.dtc.convert(Timestamp('2012-1-1 01:02:03', tz='UTC'), None,
None)
xp = converter.dates.date2num(Timestamp('2012-1-1 01:02:03', tz='UTC'))
np_assert_almost_equal(rs, xp, decimals)
rs = self.dtc.convert(
Timestamp('2012-1-1 09:02:03', tz='Asia/Hong_Kong'), None, None)
np_assert_almost_equal(rs, xp, decimals)
rs = self.dtc.convert(datetime(2012, 1, 1, 1, 2, 3), None, None)
np_assert_almost_equal(rs, xp, decimals)
def test_load(self):
data = self.fourSinusoids(samples=400)
self.writeWav("file.wav", data)
readsamplerate, readdata = wavefile.load("file.wav")
np_assert_almost_equal(readdata, data, decimal=7)
self.assertEqual(readsamplerate, 44100)
def test_load(self) :
data = self.fourSinusoids(samples=400)
self.writeWav("file.wav", data)
readsamplerate, readdata = wavefile.load("file.wav")
np_assert_almost_equal(readdata, data, decimal=7)
self.assertEqual(readsamplerate, 44100)
