Python audioop.tomono() Examples
The following are 30
code examples of audioop.tomono().
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and go to the original project or source file by following the links above each example.
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audioop
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Example #1
| Source File: sample.py From synthesizer with GNU Lesser General Public License v3.0 | 6 votes |
|
def normalize(self) -> 'Sample':
"""
Normalize the sample, meaning: convert it to the default samplerate, sample width and number of channels.
When mixing samples, they should all have the same properties, and this method is ideal to make sure of that.
"""
if self.__locked:
raise RuntimeError("cannot modify a locked sample")
self.resample(params.norm_samplerate)
if self.samplewidth != params.norm_samplewidth:
# Convert to desired sample size.
self.__frames = audioop.lin2lin(self.__frames, self.samplewidth, params.norm_samplewidth)
self.__samplewidth = params.norm_samplewidth
if params.norm_nchannels not in (1, 2):
raise ValueError("norm_nchannels has invalid value, can only be 1 or 2")
if self.nchannels == 1 and params.norm_nchannels == 2:
# convert to stereo
self.__frames = audioop.tostereo(self.__frames, self.samplewidth, 1, 1)
self.__nchannels = 2
elif self.nchannels == 2 and params.norm_nchannels == 1:
# convert to mono
self.__frames = audioop.tomono(self.__frames, self.__samplewidth, 1, 1)
self.__nchannels = 1
return self
Example #2
| Source File: pyDubMod.py From AlexaBot with MIT License | 6 votes |
|
def read(self, size = -1):
buffer = self.audio_reader.readframes(self.audio_reader.getnframes() if size == -1 else size)
if not isinstance(buffer, bytes): buffer = b"" # workaround for https://bugs.python.org/issue24608
sample_width = self.audio_reader.getsampwidth()
if not self.little_endian: # big endian format, convert to little endian on the fly
if hasattr(audioop, "byteswap"): # ``audioop.byteswap`` was only added in Python 3.4 (incidentally, that also means that we don't need to worry about 24-bit audio being unsupported, since Python 3.4+ always has that functionality)
buffer = audioop.byteswap(buffer, sample_width)
else: # manually reverse the bytes of each sample, which is slower but works well enough as a fallback
buffer = buffer[sample_width - 1::-1] + b"".join(buffer[i + sample_width:i:-1] for i in range(sample_width - 1, len(buffer), sample_width))
# workaround for https://bugs.python.org/issue12866
if self.samples_24_bit_pretending_to_be_32_bit: # we need to convert samples from 24-bit to 32-bit before we can process them with ``audioop`` functions
buffer = b"".join("\x00" + buffer[i:i + sample_width] for i in range(0, len(buffer), sample_width)) # since we're in little endian, we prepend a zero byte to each 24-bit sample to get a 32-bit sample
if self.audio_reader.getnchannels() != 1: # stereo audio
buffer = audioop.tomono(buffer, sample_width, 1, 1) # convert stereo audio data to mono
return buffer
Example #3
| Source File: test_audioop.py From CTFCrackTools with GNU General Public License v3.0 | 6 votes |
|
def test_issue7673(self):
state = None
for data, size in INVALID_DATA:
size2 = size
self.assertRaises(audioop.error, audioop.getsample, data, size, 0)
self.assertRaises(audioop.error, audioop.max, data, size)
self.assertRaises(audioop.error, audioop.minmax, data, size)
self.assertRaises(audioop.error, audioop.avg, data, size)
self.assertRaises(audioop.error, audioop.rms, data, size)
self.assertRaises(audioop.error, audioop.avgpp, data, size)
self.assertRaises(audioop.error, audioop.maxpp, data, size)
self.assertRaises(audioop.error, audioop.cross, data, size)
self.assertRaises(audioop.error, audioop.mul, data, size, 1.0)
self.assertRaises(audioop.error, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.add, data, data, size)
self.assertRaises(audioop.error, audioop.bias, data, size, 0)
self.assertRaises(audioop.error, audioop.reverse, data, size)
self.assertRaises(audioop.error, audioop.lin2lin, data, size, size2)
self.assertRaises(audioop.error, audioop.ratecv, data, size, 1, 1, 1, state)
self.assertRaises(audioop.error, audioop.lin2ulaw, data, size)
self.assertRaises(audioop.error, audioop.lin2alaw, data, size)
self.assertRaises(audioop.error, audioop.lin2adpcm, data, size, state)
Example #4
| Source File: mic.py From silvius with BSD 2-Clause "Simplified" License | 6 votes |
|
def mic_to_ws(): # uses stream
try:
print >> sys.stderr, "\nLISTENING TO MICROPHONE"
last_state = None
while True:
data = stream.read(self.chunk)
if self.audio_gate > 0:
rms = audioop.rms(data, 2)
if rms < self.audio_gate:
data = '\00' * len(data)
#if sample_chan == 2:
# data = audioop.tomono(data, 2, 1, 1)
if sample_rate != self.byterate:
(data, last_state) = audioop.ratecv(data, 2, 1, sample_rate, self.byterate, last_state)
self.send_data(data)
except IOError, e:
# usually a broken pipe
print e
Example #5
| Source File: speech_utils.py From python-dlpy with Apache License 2.0 | 6 votes |
|
def convert_stereo_to_mono(fragment, width):
"""
Convert stereo fragment to mono.
Parameters
----------
fragment : bytes object
Specifies the original fragment.
width : int
Specifies the fragment's original sampwidth.
Returns
-------
bytes
Converted audio in mono type.
"""
new_fragment = audioop.tomono(fragment, width, 0.5, 0.5)
return new_fragment
Example #6
| Source File: test_audioop.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 6 votes |
|
def test_issue7673(self):
state = None
for data, size in INVALID_DATA:
size2 = size
self.assertRaises(audioop.error, audioop.getsample, data, size, 0)
self.assertRaises(audioop.error, audioop.max, data, size)
self.assertRaises(audioop.error, audioop.minmax, data, size)
self.assertRaises(audioop.error, audioop.avg, data, size)
self.assertRaises(audioop.error, audioop.rms, data, size)
self.assertRaises(audioop.error, audioop.avgpp, data, size)
self.assertRaises(audioop.error, audioop.maxpp, data, size)
self.assertRaises(audioop.error, audioop.cross, data, size)
self.assertRaises(audioop.error, audioop.mul, data, size, 1.0)
self.assertRaises(audioop.error, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.add, data, data, size)
self.assertRaises(audioop.error, audioop.bias, data, size, 0)
self.assertRaises(audioop.error, audioop.reverse, data, size)
self.assertRaises(audioop.error, audioop.lin2lin, data, size, size2)
self.assertRaises(audioop.error, audioop.ratecv, data, size, 1, 1, 1, state)
self.assertRaises(audioop.error, audioop.lin2ulaw, data, size)
self.assertRaises(audioop.error, audioop.lin2alaw, data, size)
self.assertRaises(audioop.error, audioop.lin2adpcm, data, size, state)
Example #7
| Source File: test_audioop.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 6 votes |
|
def test_string(self):
data = 'abcd'
size = 2
self.assertRaises(TypeError, audioop.getsample, data, size, 0)
self.assertRaises(TypeError, audioop.max, data, size)
self.assertRaises(TypeError, audioop.minmax, data, size)
self.assertRaises(TypeError, audioop.avg, data, size)
self.assertRaises(TypeError, audioop.rms, data, size)
self.assertRaises(TypeError, audioop.avgpp, data, size)
self.assertRaises(TypeError, audioop.maxpp, data, size)
self.assertRaises(TypeError, audioop.cross, data, size)
self.assertRaises(TypeError, audioop.mul, data, size, 1.0)
self.assertRaises(TypeError, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(TypeError, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(TypeError, audioop.add, data, data, size)
self.assertRaises(TypeError, audioop.bias, data, size, 0)
self.assertRaises(TypeError, audioop.reverse, data, size)
self.assertRaises(TypeError, audioop.lin2lin, data, size, size)
self.assertRaises(TypeError, audioop.ratecv, data, size, 1, 1, 1, None)
self.assertRaises(TypeError, audioop.lin2ulaw, data, size)
self.assertRaises(TypeError, audioop.lin2alaw, data, size)
self.assertRaises(TypeError, audioop.lin2adpcm, data, size, None)
Example #8
| Source File: test_audioop.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 6 votes |
|
def test_issue7673(self):
state = None
for data, size in INVALID_DATA:
size2 = size
self.assertRaises(audioop.error, audioop.getsample, data, size, 0)
self.assertRaises(audioop.error, audioop.max, data, size)
self.assertRaises(audioop.error, audioop.minmax, data, size)
self.assertRaises(audioop.error, audioop.avg, data, size)
self.assertRaises(audioop.error, audioop.rms, data, size)
self.assertRaises(audioop.error, audioop.avgpp, data, size)
self.assertRaises(audioop.error, audioop.maxpp, data, size)
self.assertRaises(audioop.error, audioop.cross, data, size)
self.assertRaises(audioop.error, audioop.mul, data, size, 1.0)
self.assertRaises(audioop.error, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.add, data, data, size)
self.assertRaises(audioop.error, audioop.bias, data, size, 0)
self.assertRaises(audioop.error, audioop.reverse, data, size)
self.assertRaises(audioop.error, audioop.lin2lin, data, size, size2)
self.assertRaises(audioop.error, audioop.ratecv, data, size, 1, 1, 1, state)
self.assertRaises(audioop.error, audioop.lin2ulaw, data, size)
self.assertRaises(audioop.error, audioop.lin2alaw, data, size)
self.assertRaises(audioop.error, audioop.lin2adpcm, data, size, state)
Example #9
| Source File: test_audioop.py From gcblue with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def test_issue7673(self):
state = None
for data, size in INVALID_DATA:
size2 = size
self.assertRaises(audioop.error, audioop.getsample, data, size, 0)
self.assertRaises(audioop.error, audioop.max, data, size)
self.assertRaises(audioop.error, audioop.minmax, data, size)
self.assertRaises(audioop.error, audioop.avg, data, size)
self.assertRaises(audioop.error, audioop.rms, data, size)
self.assertRaises(audioop.error, audioop.avgpp, data, size)
self.assertRaises(audioop.error, audioop.maxpp, data, size)
self.assertRaises(audioop.error, audioop.cross, data, size)
self.assertRaises(audioop.error, audioop.mul, data, size, 1.0)
self.assertRaises(audioop.error, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.add, data, data, size)
self.assertRaises(audioop.error, audioop.bias, data, size, 0)
self.assertRaises(audioop.error, audioop.reverse, data, size)
self.assertRaises(audioop.error, audioop.lin2lin, data, size, size2)
self.assertRaises(audioop.error, audioop.ratecv, data, size, 1, 1, 1, state)
self.assertRaises(audioop.error, audioop.lin2ulaw, data, size)
self.assertRaises(audioop.error, audioop.lin2alaw, data, size)
self.assertRaises(audioop.error, audioop.lin2adpcm, data, size, state)
Example #10
| Source File: sample.py From synthesizer with GNU Lesser General Public License v3.0 | 6 votes |
|
def __db_level(self, rms_mode: bool = False) -> Tuple[float, float]:
"""
Returns the average audio volume level measured in dB (range -60 db to 0 db)
If the sample is stereo, you get back a tuple: (left_level, right_level)
If the sample is mono, you still get a tuple but both values will be the same.
This method is probably only useful if processed on very short sample fragments in sequence,
so the db levels could be used to show a level meter for the duration of the sample.
"""
maxvalue = 2**(8*self.__samplewidth-1)
if self.nchannels == 1:
if rms_mode:
peak_left = peak_right = (audioop.rms(self.__frames, self.__samplewidth)+1)/maxvalue
else:
peak_left = peak_right = (audioop.max(self.__frames, self.__samplewidth)+1)/maxvalue
else:
left_frames = audioop.tomono(self.__frames, self.__samplewidth, 1, 0)
right_frames = audioop.tomono(self.__frames, self.__samplewidth, 0, 1)
if rms_mode:
peak_left = (audioop.rms(left_frames, self.__samplewidth)+1)/maxvalue
peak_right = (audioop.rms(right_frames, self.__samplewidth)+1)/maxvalue
else:
peak_left = (audioop.max(left_frames, self.__samplewidth)+1)/maxvalue
peak_right = (audioop.max(right_frames, self.__samplewidth)+1)/maxvalue
# cut off at the bottom at -60 instead of all the way down to -infinity
return max(20.0*math.log(peak_left, 10), -60.0), max(20.0*math.log(peak_right, 10), -60.0)
Example #11
| Source File: test_audioop.py From ironpython3 with Apache License 2.0 | 6 votes |
|
def test_string(self):
data = 'abcd'
size = 2
self.assertRaises(TypeError, audioop.getsample, data, size, 0)
self.assertRaises(TypeError, audioop.max, data, size)
self.assertRaises(TypeError, audioop.minmax, data, size)
self.assertRaises(TypeError, audioop.avg, data, size)
self.assertRaises(TypeError, audioop.rms, data, size)
self.assertRaises(TypeError, audioop.avgpp, data, size)
self.assertRaises(TypeError, audioop.maxpp, data, size)
self.assertRaises(TypeError, audioop.cross, data, size)
self.assertRaises(TypeError, audioop.mul, data, size, 1.0)
self.assertRaises(TypeError, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(TypeError, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(TypeError, audioop.add, data, data, size)
self.assertRaises(TypeError, audioop.bias, data, size, 0)
self.assertRaises(TypeError, audioop.reverse, data, size)
self.assertRaises(TypeError, audioop.lin2lin, data, size, size)
self.assertRaises(TypeError, audioop.ratecv, data, size, 1, 1, 1, None)
self.assertRaises(TypeError, audioop.lin2ulaw, data, size)
self.assertRaises(TypeError, audioop.lin2alaw, data, size)
self.assertRaises(TypeError, audioop.lin2adpcm, data, size, None)
Example #12
| Source File: test_audioop.py From ironpython3 with Apache License 2.0 | 6 votes |
|
def test_issue7673(self):
state = None
for data, size in INVALID_DATA:
size2 = size
self.assertRaises(audioop.error, audioop.getsample, data, size, 0)
self.assertRaises(audioop.error, audioop.max, data, size)
self.assertRaises(audioop.error, audioop.minmax, data, size)
self.assertRaises(audioop.error, audioop.avg, data, size)
self.assertRaises(audioop.error, audioop.rms, data, size)
self.assertRaises(audioop.error, audioop.avgpp, data, size)
self.assertRaises(audioop.error, audioop.maxpp, data, size)
self.assertRaises(audioop.error, audioop.cross, data, size)
self.assertRaises(audioop.error, audioop.mul, data, size, 1.0)
self.assertRaises(audioop.error, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.add, data, data, size)
self.assertRaises(audioop.error, audioop.bias, data, size, 0)
self.assertRaises(audioop.error, audioop.reverse, data, size)
self.assertRaises(audioop.error, audioop.lin2lin, data, size, size2)
self.assertRaises(audioop.error, audioop.ratecv, data, size, 1, 1, 1, state)
self.assertRaises(audioop.error, audioop.lin2ulaw, data, size)
self.assertRaises(audioop.error, audioop.lin2alaw, data, size)
self.assertRaises(audioop.error, audioop.lin2adpcm, data, size, state)
Example #13
| Source File: test_audioop.py From oss-ftp with MIT License | 6 votes |
|
def test_issue7673(self):
state = None
for data, size in INVALID_DATA:
size2 = size
self.assertRaises(audioop.error, audioop.getsample, data, size, 0)
self.assertRaises(audioop.error, audioop.max, data, size)
self.assertRaises(audioop.error, audioop.minmax, data, size)
self.assertRaises(audioop.error, audioop.avg, data, size)
self.assertRaises(audioop.error, audioop.rms, data, size)
self.assertRaises(audioop.error, audioop.avgpp, data, size)
self.assertRaises(audioop.error, audioop.maxpp, data, size)
self.assertRaises(audioop.error, audioop.cross, data, size)
self.assertRaises(audioop.error, audioop.mul, data, size, 1.0)
self.assertRaises(audioop.error, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.add, data, data, size)
self.assertRaises(audioop.error, audioop.bias, data, size, 0)
self.assertRaises(audioop.error, audioop.reverse, data, size)
self.assertRaises(audioop.error, audioop.lin2lin, data, size, size2)
self.assertRaises(audioop.error, audioop.ratecv, data, size, 1, 1, 1, state)
self.assertRaises(audioop.error, audioop.lin2ulaw, data, size)
self.assertRaises(audioop.error, audioop.lin2alaw, data, size)
self.assertRaises(audioop.error, audioop.lin2adpcm, data, size, state)
Example #14
| Source File: test_audioop.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def test_issue7673(self):
state = None
for data, size in INVALID_DATA:
size2 = size
self.assertRaises(audioop.error, audioop.getsample, data, size, 0)
self.assertRaises(audioop.error, audioop.max, data, size)
self.assertRaises(audioop.error, audioop.minmax, data, size)
self.assertRaises(audioop.error, audioop.avg, data, size)
self.assertRaises(audioop.error, audioop.rms, data, size)
self.assertRaises(audioop.error, audioop.avgpp, data, size)
self.assertRaises(audioop.error, audioop.maxpp, data, size)
self.assertRaises(audioop.error, audioop.cross, data, size)
self.assertRaises(audioop.error, audioop.mul, data, size, 1.0)
self.assertRaises(audioop.error, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.add, data, data, size)
self.assertRaises(audioop.error, audioop.bias, data, size, 0)
self.assertRaises(audioop.error, audioop.reverse, data, size)
self.assertRaises(audioop.error, audioop.lin2lin, data, size, size2)
self.assertRaises(audioop.error, audioop.ratecv, data, size, 1, 1, 1, state)
self.assertRaises(audioop.error, audioop.lin2ulaw, data, size)
self.assertRaises(audioop.error, audioop.lin2alaw, data, size)
self.assertRaises(audioop.error, audioop.lin2adpcm, data, size, state)
Example #15
| Source File: player.py From respeaker_python_library with Apache License 2.0 | 6 votes |
|
def _play(self, data, rate=16000, channels=1, width=2, spectrum=True):
stream = self.pyaudio_instance.open(
format=self.pyaudio_instance.get_format_from_width(width),
channels=channels,
rate=rate,
output=True,
# output_device_index=1,
frames_per_buffer=CHUNK_SIZE,
)
if isinstance(data, types.GeneratorType):
for d in data:
if self.stop_event.is_set():
break
stream.write(d)
if spectrum:
if channels == 2:
d = audioop.tomono(d, 2, 0.5, 0.5)
self.queue.put(d)
else:
stream.write(data)
stream.close()
Example #16
| Source File: test_audioop.py From BinderFilter with MIT License | 6 votes |
|
def test_issue7673(self):
state = None
for data, size in INVALID_DATA:
size2 = size
self.assertRaises(audioop.error, audioop.getsample, data, size, 0)
self.assertRaises(audioop.error, audioop.max, data, size)
self.assertRaises(audioop.error, audioop.minmax, data, size)
self.assertRaises(audioop.error, audioop.avg, data, size)
self.assertRaises(audioop.error, audioop.rms, data, size)
self.assertRaises(audioop.error, audioop.avgpp, data, size)
self.assertRaises(audioop.error, audioop.maxpp, data, size)
self.assertRaises(audioop.error, audioop.cross, data, size)
self.assertRaises(audioop.error, audioop.mul, data, size, 1.0)
self.assertRaises(audioop.error, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.add, data, data, size)
self.assertRaises(audioop.error, audioop.bias, data, size, 0)
self.assertRaises(audioop.error, audioop.reverse, data, size)
self.assertRaises(audioop.error, audioop.lin2lin, data, size, size2)
self.assertRaises(audioop.error, audioop.ratecv, data, size, 1, 1, 1, state)
self.assertRaises(audioop.error, audioop.lin2ulaw, data, size)
self.assertRaises(audioop.error, audioop.lin2alaw, data, size)
self.assertRaises(audioop.error, audioop.lin2adpcm, data, size, state)
Example #17
| Source File: test_audioop.py From Fluid-Designer with GNU General Public License v3.0 | 6 votes |
|
def test_issue7673(self):
state = None
for data, size in INVALID_DATA:
size2 = size
self.assertRaises(audioop.error, audioop.getsample, data, size, 0)
self.assertRaises(audioop.error, audioop.max, data, size)
self.assertRaises(audioop.error, audioop.minmax, data, size)
self.assertRaises(audioop.error, audioop.avg, data, size)
self.assertRaises(audioop.error, audioop.rms, data, size)
self.assertRaises(audioop.error, audioop.avgpp, data, size)
self.assertRaises(audioop.error, audioop.maxpp, data, size)
self.assertRaises(audioop.error, audioop.cross, data, size)
self.assertRaises(audioop.error, audioop.mul, data, size, 1.0)
self.assertRaises(audioop.error, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(audioop.error, audioop.add, data, data, size)
self.assertRaises(audioop.error, audioop.bias, data, size, 0)
self.assertRaises(audioop.error, audioop.reverse, data, size)
self.assertRaises(audioop.error, audioop.lin2lin, data, size, size2)
self.assertRaises(audioop.error, audioop.ratecv, data, size, 1, 1, 1, state)
self.assertRaises(audioop.error, audioop.lin2ulaw, data, size)
self.assertRaises(audioop.error, audioop.lin2alaw, data, size)
self.assertRaises(audioop.error, audioop.lin2adpcm, data, size, state)
Example #18
| Source File: test_audioop.py From Fluid-Designer with GNU General Public License v3.0 | 6 votes |
|
def test_string(self):
data = 'abcd'
size = 2
self.assertRaises(TypeError, audioop.getsample, data, size, 0)
self.assertRaises(TypeError, audioop.max, data, size)
self.assertRaises(TypeError, audioop.minmax, data, size)
self.assertRaises(TypeError, audioop.avg, data, size)
self.assertRaises(TypeError, audioop.rms, data, size)
self.assertRaises(TypeError, audioop.avgpp, data, size)
self.assertRaises(TypeError, audioop.maxpp, data, size)
self.assertRaises(TypeError, audioop.cross, data, size)
self.assertRaises(TypeError, audioop.mul, data, size, 1.0)
self.assertRaises(TypeError, audioop.tomono, data, size, 0.5, 0.5)
self.assertRaises(TypeError, audioop.tostereo, data, size, 0.5, 0.5)
self.assertRaises(TypeError, audioop.add, data, data, size)
self.assertRaises(TypeError, audioop.bias, data, size, 0)
self.assertRaises(TypeError, audioop.reverse, data, size)
self.assertRaises(TypeError, audioop.lin2lin, data, size, size)
self.assertRaises(TypeError, audioop.ratecv, data, size, 1, 1, 1, None)
self.assertRaises(TypeError, audioop.lin2ulaw, data, size)
self.assertRaises(TypeError, audioop.lin2alaw, data, size)
self.assertRaises(TypeError, audioop.lin2adpcm, data, size, None)
Example #19
| Source File: sample.py From synthesizer with GNU Lesser General Public License v3.0 | 5 votes |
|
def mono(self, left_factor: float = 1.0, right_factor: float = 1.0) -> 'Sample':
"""Make the sample mono (1-channel) applying the given left/right channel factors when downmixing"""
if self.__locked:
raise RuntimeError("cannot modify a locked sample")
if self.__nchannels == 1:
return self
if self.__nchannels == 2:
self.__frames = audioop.tomono(self.__frames, self.__samplewidth, left_factor, right_factor)
self.__nchannels = 1
return self
raise ValueError("sample must be stereo or mono already")
Example #20
| Source File: test_audioop.py From gcblue with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def test_tomono(self):
for w in 1, 2, 4:
data1 = datas[w]
data2 = bytearray(2 * len(data1))
for k in range(w):
data2[k::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(str(data2), w, 1, 0), data1)
self.assertEqual(audioop.tomono(str(data2), w, 0, 1), b'\0' * len(data1))
for k in range(w):
data2[k+w::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(str(data2), w, 0.5, 0.5), data1)
Example #21
| Source File: test_audioop.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
|
def test_tomono(self):
for w in 1, 2, 3, 4:
data1 = datas[w]
data2 = bytearray(2 * len(data1))
for k in range(w):
data2[k::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(data2, w, 1, 0), data1)
self.assertEqual(audioop.tomono(data2, w, 0, 1), b'\0' * len(data1))
for k in range(w):
data2[k+w::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(data2, w, 0.5, 0.5), data1)
self.assertEqual(audioop.tomono(bytearray(data2), w, 0.5, 0.5),
data1)
self.assertEqual(audioop.tomono(memoryview(data2), w, 0.5, 0.5),
data1)
Example #22
| Source File: test_audioop.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
|
def test_tomono(self):
for w in 1, 2, 3, 4:
data1 = datas[w]
data2 = bytearray(2 * len(data1))
for k in range(w):
data2[k::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(data2, w, 1, 0), data1)
self.assertEqual(audioop.tomono(data2, w, 0, 1), b'\0' * len(data1))
for k in range(w):
data2[k+w::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(data2, w, 0.5, 0.5), data1)
self.assertEqual(audioop.tomono(bytearray(data2), w, 0.5, 0.5),
data1)
self.assertEqual(audioop.tomono(memoryview(data2), w, 0.5, 0.5),
data1)
Example #23
| Source File: recognition.py From Piwho with MIT License | 5 votes |
|
def _convert_file(self, src, dest=None):
"""
convert wav into 8khz rate
"""
def convert(read,write):
write.setparams((1, 2, 8000, 0,'NONE', 'not compressed'))
o_fr = read.getframerate()
o_chnl = read.getnchannels()
t_fr = read.getnframes()
data = read.readframes(t_fr)
cnvrt = audioop.ratecv(data, 2, o_chnl,
o_fr, 8000, None)
if o_chnl != 1:
mono = audioop.tomono(cnvrt[0], 2, 1, 0)
write.writeframes(mono)
else:
write.writeframes(cnvrt[0])
read.close()
write.close()
if dest is None:
temp = src + '.temp'
os.rename(src, temp)
read = wave.open(temp, 'r')
write = wave.open(src, 'w')
convert(read, write)
os.remove(temp)
else:
read = wave.open(src, 'r')
write = wave.open(dest, 'w')
convert(read, write)
Example #24
| Source File: test_audioop.py From ironpython3 with Apache License 2.0 | 5 votes |
|
def test_tomono(self):
for w in 1, 2, 3, 4:
data1 = datas[w]
data2 = bytearray(2 * len(data1))
for k in range(w):
data2[k::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(data2, w, 1, 0), data1)
self.assertEqual(audioop.tomono(data2, w, 0, 1), b'\0' * len(data1))
for k in range(w):
data2[k+w::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(data2, w, 0.5, 0.5), data1)
self.assertEqual(audioop.tomono(bytearray(data2), w, 0.5, 0.5),
data1)
self.assertEqual(audioop.tomono(memoryview(data2), w, 0.5, 0.5),
data1)
Example #25
| Source File: test_audioop.py From medicare-demo with Apache License 2.0 | 5 votes |
|
def testtomono(data):
if verbose:
print 'tomono'
data2 = ''
for d in data[0]:
data2 = data2 + d + d
if audioop.tomono(data2, 1, 0.5, 0.5) != data[0]:
return 0
return 1
Example #26
| Source File: test_audioop.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 5 votes |
|
def test_tomono(self):
for w in 1, 2, 4:
data1 = datas[w]
data2 = bytearray(2 * len(data1))
for k in range(w):
data2[k::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(str(data2), w, 1, 0), data1)
self.assertEqual(audioop.tomono(str(data2), w, 0, 1), b'\0' * len(data1))
for k in range(w):
data2[k+w::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(str(data2), w, 0.5, 0.5), data1)
Example #27
| Source File: test_audioop.py From oss-ftp with MIT License | 5 votes |
|
def test_tomono(self):
for w in 1, 2, 4:
data1 = datas[w]
data2 = bytearray(2 * len(data1))
for k in range(w):
data2[k::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(str(data2), w, 1, 0), data1)
self.assertEqual(audioop.tomono(str(data2), w, 0, 1), b'\0' * len(data1))
for k in range(w):
data2[k+w::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(str(data2), w, 0.5, 0.5), data1)
Example #28
| Source File: test_audioop.py From ironpython2 with Apache License 2.0 | 5 votes |
|
def test_tomono(self):
for w in 1, 2, 4:
data1 = datas[w]
data2 = bytearray(2 * len(data1))
for k in range(w):
data2[k::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(str(data2), w, 1, 0), data1)
self.assertEqual(audioop.tomono(str(data2), w, 0, 1), b'\0' * len(data1))
for k in range(w):
data2[k+w::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(str(data2), w, 0.5, 0.5), data1)
Example #29
| Source File: test_audioop.py From BinderFilter with MIT License | 5 votes |
|
def test_tomono(self):
for w in 1, 2, 4:
data1 = datas[w]
data2 = bytearray(2 * len(data1))
for k in range(w):
data2[k::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(str(data2), w, 1, 0), data1)
self.assertEqual(audioop.tomono(str(data2), w, 0, 1), b'\0' * len(data1))
for k in range(w):
data2[k+w::2*w] = data1[k::w]
self.assertEqual(audioop.tomono(str(data2), w, 0.5, 0.5), data1)
Example #30
| Source File: signal.py From auditok with MIT License | 5 votes |
|
def average_channels_stereo(data, sample_width):
fmt = FORMAT[sample_width]
arr = array(fmt, audioop.tomono(data, sample_width, 0.5, 0.5))
return arr
