def test_create(self):
try:
dec = decoder.create(48000, 2)
except OpusError:
raise AssertionError()
else:
decoder.destroy(dec)
def test_decode(self):
"""opus_decode()"""
packet = chr((63 << 2) + 3) + chr(49)
for j in range(2, 51):
packet += chr(0)
dec = decoder.create(48000, 2)
try:
decoder.decode(dec, packet, 51, 960, 0)
except OpusError as e:
self.assertEqual(e.code, constants.INVALID_PACKET)
packet = chr(63 << 2) + chr(0) + chr(0)
try:
decoder.decode(dec, packet, -1, 960, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BAD_ARG)
try:
decoder.decode(dec, packet, 3, 60, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BUFFER_TOO_SMALL)
try:
decoder.decode(dec, packet, 3, 480, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BUFFER_TOO_SMALL)
try:
decoder.decode(dec, packet, 3, 960, 0)
except OpusError:
self.fail('Decode failed')
decoder.destroy(dec)
def _test_unsupported_sample_rates(self):
"""Unsupported sample rates
TODO: make the same test with a opus_decoder_init() function"""
for c in range(4):
for i in range(-7, 96000):
if i in (8000, 12000, 16000, 24000, 48000) and c in (1, 2):
continue
if i == -5:
fs = -8000
elif i == -6:
fs = sys.maxint # TODO: should be a INT32_MAX
elif i == -7:
fs = -1 * (sys.maxint - 1) # Emulation of the INT32_MIN
else:
fs = i
try:
dec = decoder.create(fs, c)
except OpusError as e:
self.assertEqual(e.code, constants.BAD_ARG)
else:
decoder.destroy(dec)
def test_unimplemented(self):
dec = decoder.create(48000, 2)
try:
decoder.ctl(dec, ctl.unimplemented)
except OpusError as e:
self.assertEqual(e.code, constants.UNIMPLEMENTED)
decoder.destroy(dec)
def _test_unsupported_sample_rates(self):
"""Unsupported sample rates
TODO: make the same test with a opus_decoder_init() function"""
for c in range(4):
for i in range(-7, 96000):
if i in (8000, 12000, 16000, 24000, 48000) and c in (1, 2):
continue
if i == -5:
fs = -8000
elif i == -6:
fs = sys.maxint # TODO: should be a INT32_MAX
elif i == -7:
fs = -1*(sys.maxint-1) # Emulation of the INT32_MIN
else:
fs = i
try:
dec = decoder.create(fs, c)
except OpusError as e:
self.assertEqual(e.code, constants.BAD_ARG)
else:
decoder.destroy(dec)
def test_unimplemented(self):
dec = decoder.create(48000, 2)
try:
decoder.ctl(dec, ctl.unimplemented)
except OpusError as e:
self.assertEqual(e.code, constants.UNIMPLEMENTED)
decoder.destroy(dec)
def test_create(self):
try:
dec = decoder.create(48000, 2)
except OpusError:
raise AssertionError()
else:
decoder.destroy(dec)
def test_decode(self):
"""opus_decode()"""
packet = chr((63<<2)+3)+chr(49)
for j in range(2, 51):
packet += chr(0)
dec = decoder.create(48000, 2)
try:
decoder.decode(dec, packet, 51, 960, 0)
except OpusError as e:
self.assertEqual(e.code, constants.INVALID_PACKET)
packet = chr(63<<2)+chr(0)+chr(0)
try:
decoder.decode(dec, packet, -1, 960, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BAD_ARG)
try:
decoder.decode(dec, packet, 3, 60, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BUFFER_TOO_SMALL)
try:
decoder.decode(dec, packet, 3, 480, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BUFFER_TOO_SMALL)
try:
decoder.decode(dec, packet, 3, 960, 0)
except OpusError:
self.fail('Decode failed')
decoder.destroy(dec)
def test_decode_float(self):
dec = decoder.create(48000, 2)
packet = chr(63<<2)+chr(0)+chr(0)
try:
decoder.decode_float(dec, packet, 3, 960, 0)
except OpusError:
self.fail('Decode failed')
decoder.destroy(dec)
def test_decode_float(self):
dec = decoder.create(48000, 2)
packet = chr(63 << 2) + chr(0) + chr(0)
try:
decoder.decode_float(dec, packet, 3, 960, 0)
except OpusError:
self.fail('Decode failed')
decoder.destroy(dec)
def test_get_nb_samples(self):
"""opus_decoder_get_nb_samples()"""
dec = decoder.create(48000, 2)
self.assertEqual(480, decoder.get_nb_samples(dec, '\x00', 1))
packet = ''.join([chr(x) for x in ((63<<2)|3, 63)])
# TODO: check for exception code
self.assertRaises(OpusError, lambda: decoder.get_nb_samples(dec, packet, 2))
decoder.destroy(dec)
def test_get_nb_samples(self):
"""opus_decoder_get_nb_samples()"""
dec = decoder.create(48000, 2)
self.assertEqual(480, decoder.get_nb_samples(dec, '\x00', 1))
packet = ''.join([chr(x) for x in ((63 << 2) | 3, 63)])
# TODO: check for exception code
self.assertRaises(OpusError,
lambda: decoder.get_nb_samples(dec, packet, 2))
decoder.destroy(dec)
def test_get_pitch(self):
dec = decoder.create(48000, 2)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
packet = chr(63<<2)+chr(0)+chr(0)
decoder.decode(dec, packet, 3, 960, False)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
packet = chr(1)+chr(0)+chr(0)
decoder.decode(dec, packet, 3, 960, False)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
decoder.destroy(dec)
def test_get_pitch(self):
dec = decoder.create(48000, 2)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
packet = chr(63 << 2) + chr(0) + chr(0)
decoder.decode(dec, packet, 3, 960, False)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
packet = chr(1) + chr(0) + chr(0)
decoder.decode(dec, packet, 3, 960, False)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
decoder.destroy(dec)
def test_gain(self):
dec = decoder.create(48000, 2)
i = decoder.ctl(dec, ctl.get_gain)
self.assertEqual(i, 0)
try:
decoder.ctl(dec, ctl.set_gain, -32769)
except OpusError as e:
self.assertEqual(e.code, constants.BAD_ARG)
try:
decoder.ctl(dec, ctl.set_gain, 32768)
except OpusError as e:
self.assertEqual(e.code, constants.BAD_ARG)
decoder.ctl(dec, ctl.set_gain, -15)
i = decoder.ctl(dec, ctl.get_gain)
self.assertEqual(i, -15)
decoder.destroy(dec)
def test_gain(self):
dec = decoder.create(48000, 2)
i = decoder.ctl(dec, ctl.get_gain)
self.assertEqual(i, 0)
try:
decoder.ctl(dec, ctl.set_gain, -32769)
except OpusError as e:
self.assertEqual(e.code, constants.BAD_ARG)
try:
decoder.ctl(dec, ctl.set_gain, 32768)
except OpusError as e:
self.assertEqual(e.code, constants.BAD_ARG)
decoder.ctl(dec, ctl.set_gain, -15)
i = decoder.ctl(dec, ctl.get_gain)
self.assertEqual(i, -15)
decoder.destroy(dec)
def test_get_final_range(self):
dec = decoder.create(48000, 2)
decoder.ctl(dec, ctl.get_final_range)
decoder.destroy(dec)
def __del__(self):
if hasattr(self, '_state'):
# Destroying state only if __init__ completed successfully
decoder.destroy(self._state)
def test_get_bandwidth(self):
dec = decoder.create(48000, 2)
value = decoder.ctl(dec, ctl.get_bandwidth)
self.assertEqual(value, 0)
decoder.destroy(dec)
def test_get_bandwidth(self):
dec = decoder.create(48000, 2)
value = decoder.ctl(dec, ctl.get_bandwidth)
self.assertEqual(value, 0)
decoder.destroy(dec)
def test_get_final_range(self):
dec = decoder.create(48000, 2)
decoder.ctl(dec, ctl.get_final_range)
decoder.destroy(dec)
def test_reset_state(self):
dec = decoder.create(48000, 2)
decoder.ctl(dec, ctl.reset_state)
decoder.destroy(dec)
def test_reset_state(self):
dec = decoder.create(48000, 2)
decoder.ctl(dec, ctl.reset_state)
decoder.destroy(dec)
