def test_adpcm2lin(self):
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(bytearray(b'\x07\x7f\x7f'), 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(memoryview(b'\x07\x7f\x7f'), 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 2, None),
(packs[2](0, 0xb, 0x29, -0x16, 0x72, -0xb3), (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 3, None),
(packs[3](0, 0xb00, 0x2900, -0x1600, 0x7200,
-0xb300), (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 4, None),
(packs[4](0, 0xb0000, 0x290000, -0x160000, 0x720000,
-0xb30000), (-179, 40)))
# Very cursory test
for w in 1, 2, 3, 4:
self.assertEqual(audioop.adpcm2lin(b'\0' * 5, w, None),
(b'\0' * w * 10, (0, 0)))
python类adpcm2lin()的实例源码
def test_adpcm2lin(self):
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(bytearray(b'\x07\x7f\x7f'), 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(memoryview(b'\x07\x7f\x7f'), 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 2, None),
(packs[2](0, 0xb, 0x29, -0x16, 0x72, -0xb3), (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 3, None),
(packs[3](0, 0xb00, 0x2900, -0x1600, 0x7200,
-0xb300), (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 4, None),
(packs[4](0, 0xb0000, 0x290000, -0x160000, 0x720000,
-0xb30000), (-179, 40)))
# Very cursory test
for w in 1, 2, 3, 4:
self.assertEqual(audioop.adpcm2lin(b'\0' * 5, w, None),
(b'\0' * w * 10, (0, 0)))
def _adpcm2lin(self, data):
import audioop
if not hasattr(self, '_adpcmstate'):
# first time
self._adpcmstate = None
data, self._adpcmstate = audioop.adpcm2lin(data, 2,
self._adpcmstate)
return data
def _adpcm2lin(self, data):
import audioop
if not hasattr(self, '_adpcmstate'):
# first time
self._adpcmstate = None
data, self._adpcmstate = audioop.adpcm2lin(data, 2,
self._adpcmstate)
return data
def test_adpcm2lin(self):
# Very cursory test
self.assertEqual(audioop.adpcm2lin(b'\0\0', 1, None), (b'\0' * 4, (0,0)))
self.assertEqual(audioop.adpcm2lin(b'\0\0', 2, None), (b'\0' * 8, (0,0)))
self.assertEqual(audioop.adpcm2lin(b'\0\0', 4, None), (b'\0' * 16, (0,0)))
def test_wrongsize(self):
data = b'abc'
state = None
for size in (-1, 3, 5):
self.assertRaises(audioop.error, audioop.ulaw2lin, data, size)
self.assertRaises(audioop.error, audioop.alaw2lin, data, size)
self.assertRaises(audioop.error, audioop.adpcm2lin, data, size, state)
def _adpcm2lin(self, data):
import audioop
if not hasattr(self, '_adpcmstate'):
# first time
self._adpcmstate = None
data, self._adpcmstate = audioop.adpcm2lin(data, 2, self._adpcmstate)
return data
def test_adpcm2lin(self):
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 2, None),
(packs[2](0, 0xb, 0x29, -0x16, 0x72, -0xb3), (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 4, None),
(packs[4](0, 0xb0000, 0x290000, -0x160000, 0x720000,
-0xb30000), (-179, 40)))
# Very cursory test
for w in 1, 2, 4:
self.assertEqual(audioop.adpcm2lin(b'\0' * 5, w, None),
(b'\0' * w * 10, (0, 0)))
def test_invalid_adpcm_state(self):
# state must be a tuple or None, not an integer
self.assertRaises(TypeError, audioop.adpcm2lin, b'\0', 1, 555)
self.assertRaises(TypeError, audioop.lin2adpcm, b'\0', 1, 555)
# Issues #24456, #24457: index out of range
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (0, -1))
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (0, 89))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (0, -1))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (0, 89))
# value out of range
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (-0x8001, 0))
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (0x8000, 0))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (-0x8001, 0))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (0x8000, 0))
def test_wrongsize(self):
data = b'abcdefgh'
state = None
for size in (-1, 0, 3, 5, 1024):
self.assertRaises(audioop.error, audioop.ulaw2lin, data, size)
self.assertRaises(audioop.error, audioop.alaw2lin, data, size)
self.assertRaises(audioop.error, audioop.adpcm2lin, data, size, state)
def _adpcm2lin(self, data):
import audioop
if not hasattr(self, '_adpcmstate'):
# first time
self._adpcmstate = None
data, self._adpcmstate = audioop.adpcm2lin(data, 2,
self._adpcmstate)
return data
def test_adpcm2lin(self):
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 2, None),
(packs[2](0, 0xb, 0x29, -0x16, 0x72, -0xb3), (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 4, None),
(packs[4](0, 0xb0000, 0x290000, -0x160000, 0x720000,
-0xb30000), (-179, 40)))
# Very cursory test
for w in 1, 2, 4:
self.assertEqual(audioop.adpcm2lin(b'\0' * 5, w, None),
(b'\0' * w * 10, (0, 0)))
def test_invalid_adpcm_state(self):
# state must be a tuple or None, not an integer
self.assertRaises(TypeError, audioop.adpcm2lin, b'\0', 1, 555)
self.assertRaises(TypeError, audioop.lin2adpcm, b'\0', 1, 555)
# Issues #24456, #24457: index out of range
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (0, -1))
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (0, 89))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (0, -1))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (0, 89))
# value out of range
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (-0x8001, 0))
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (0x8000, 0))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (-0x8001, 0))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (0x8000, 0))
def test_wrongsize(self):
data = b'abcdefgh'
state = None
for size in (-1, 0, 3, 5, 1024):
self.assertRaises(audioop.error, audioop.ulaw2lin, data, size)
self.assertRaises(audioop.error, audioop.alaw2lin, data, size)
self.assertRaises(audioop.error, audioop.adpcm2lin, data, size, state)
def _adpcm2lin(self, data):
import audioop
if not hasattr(self, '_adpcmstate'):
# first time
self._adpcmstate = None
data, self._adpcmstate = audioop.adpcm2lin(data, 2,
self._adpcmstate)
return data
def _adpcm2lin(self, data):
import audioop
if not hasattr(self, '_adpcmstate'):
# first time
self._adpcmstate = None
data, self._adpcmstate = audioop.adpcm2lin(data, 2,
self._adpcmstate)
return data
def test_adpcm2lin(self):
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 2, None),
(packs[2](0, 0xb, 0x29, -0x16, 0x72, -0xb3), (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 4, None),
(packs[4](0, 0xb0000, 0x290000, -0x160000, 0x720000,
-0xb30000), (-179, 40)))
# Very cursory test
for w in 1, 2, 4:
self.assertEqual(audioop.adpcm2lin(b'\0' * 5, w, None),
(b'\0' * w * 10, (0, 0)))
def test_wrongsize(self):
data = b'abcdefgh'
state = None
for size in (-1, 0, 3, 5, 1024):
self.assertRaises(audioop.error, audioop.ulaw2lin, data, size)
self.assertRaises(audioop.error, audioop.alaw2lin, data, size)
self.assertRaises(audioop.error, audioop.adpcm2lin, data, size, state)
def test_adpcm2lin(self):
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 2, None),
(packs[2](0, 0xb, 0x29, -0x16, 0x72, -0xb3), (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 4, None),
(packs[4](0, 0xb0000, 0x290000, -0x160000, 0x720000,
-0xb30000), (-179, 40)))
# Very cursory test
for w in 1, 2, 4:
self.assertEqual(audioop.adpcm2lin(b'\0' * 5, w, None),
(b'\0' * w * 10, (0, 0)))
def test_wrongsize(self):
data = b'abcdefgh'
state = None
for size in (-1, 0, 3, 5, 1024):
self.assertRaises(audioop.error, audioop.ulaw2lin, data, size)
self.assertRaises(audioop.error, audioop.alaw2lin, data, size)
self.assertRaises(audioop.error, audioop.adpcm2lin, data, size, state)
def _adpcm2lin(self, data):
import audioop
if not hasattr(self, '_adpcmstate'):
# first time
self._adpcmstate = None
data, self._adpcmstate = audioop.adpcm2lin(data, 2,
self._adpcmstate)
return data
def test_invalid_adpcm_state(self):
# state must be a tuple or None, not an integer
self.assertRaises(TypeError, audioop.adpcm2lin, b'\0', 1, 555)
self.assertRaises(TypeError, audioop.lin2adpcm, b'\0', 1, 555)
# Issues #24456, #24457: index out of range
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (0, -1))
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (0, 89))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (0, -1))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (0, 89))
# value out of range
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (-0x8001, 0))
self.assertRaises(ValueError, audioop.adpcm2lin, b'\0', 1, (0x8000, 0))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (-0x8001, 0))
self.assertRaises(ValueError, audioop.lin2adpcm, b'\0', 1, (0x8000, 0))
def test_wrongsize(self):
data = b'abcdefgh'
state = None
for size in (-1, 0, 5, 1024):
self.assertRaises(audioop.error, audioop.ulaw2lin, data, size)
self.assertRaises(audioop.error, audioop.alaw2lin, data, size)
self.assertRaises(audioop.error, audioop.adpcm2lin, data, size, state)
def _adpcm2lin(self, data):
import audioop
if not hasattr(self, '_adpcmstate'):
# first time
self._adpcmstate = None
data, self._adpcmstate = audioop.adpcm2lin(data, 2, self._adpcmstate)
return data
def test_adpcm2lin(self):
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 1, None),
(b'\x00\x00\x00\xff\x00\xff', (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 2, None),
(packs[2](0, 0xb, 0x29, -0x16, 0x72, -0xb3), (-179, 40)))
self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 4, None),
(packs[4](0, 0xb0000, 0x290000, -0x160000, 0x720000,
-0xb30000), (-179, 40)))
# Very cursory test
for w in 1, 2, 4:
self.assertEqual(audioop.adpcm2lin(b'\0' * 5, w, None),
(b'\0' * w * 10, (0, 0)))
def test_wrongsize(self):
data = b'abcdefgh'
state = None
for size in (-1, 0, 3, 5, 1024):
self.assertRaises(audioop.error, audioop.ulaw2lin, data, size)
self.assertRaises(audioop.error, audioop.alaw2lin, data, size)
self.assertRaises(audioop.error, audioop.adpcm2lin, data, size, state)
def _adpcm2lin(self, data):
import audioop
if not hasattr(self, '_adpcmstate'):
# first time
self._adpcmstate = None
data, self._adpcmstate = audioop.adpcm2lin(data, 2,
self._adpcmstate)
return data
def _adpcm2lin(self, data):
import audioop
if not hasattr(self, '_adpcmstate'):
# first time
self._adpcmstate = None
data, self._adpcmstate = audioop.adpcm2lin(data, 2,
self._adpcmstate)
return data
def test_invalid_adpcm_state(self):
# state must be a tuple or None, not an integer
self.assertRaises(TypeError, audioop.adpcm2lin, b'\0', 1, 555)
self.assertRaises(TypeError, audioop.lin2adpcm, b'\0', 1, 555)
def test_wrongsize(self):
data = b'abcdefgh'
state = None
for size in (-1, 0, 5, 1024):
self.assertRaises(audioop.error, audioop.ulaw2lin, data, size)
self.assertRaises(audioop.error, audioop.alaw2lin, data, size)
self.assertRaises(audioop.error, audioop.adpcm2lin, data, size, state)
