Python audioop.getsample() Examples

The following are 27 code examples of audioop.getsample(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module audioop , or try the search function .
Example #1
Source File: sample.py    From synthesizer with GNU Lesser General Public License v3.0 6 votes vote down vote up 
def fadein(self, seconds: float, start_volume: float = 0.0) -> 'Sample':
        """Fade the start of the sample in from the starting volume (usually zero) in the given time."""
        if self.__locked:
            raise RuntimeError("cannot modify a locked sample")
        if not self.__frames:
            return self
        seconds = min(seconds, self.duration)
        i = self.frame_idx(seconds)
        begin = self.__frames[:i]  # we fade this chunk
        end = self.__frames[i:]
        numsamples = len(begin)/self.__samplewidth
        increase = 1.0-start_volume
        _sw = self.__samplewidth     # optimization
        _getsample = audioop.getsample   # optimization
        _incr = increase/numsamples    # optimization
        faded = Sample.get_array(_sw, [int(_getsample(begin, _sw, i)*(i*_incr+start_volume)) for i in range(int(numsamples))])
        begin = faded.tobytes()
        if sys.byteorder == "big":
            begin = audioop.byteswap(begin, self.__samplewidth)
        self.__frames = begin + end
        return self
Example #2
Source File: test_audioop.py    From CTFCrackTools with GNU General Public License v3.0 6 votes vote down vote up 
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 #3
Source File: test_audioop.py    From CTFCrackTools-V2 with GNU General Public License v3.0 6 votes vote down vote up 
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: test_audioop.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 6 votes vote down vote up 
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 #5
Source File: test_audioop.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 6 votes vote down vote up 
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 #6
Source File: test_audioop.py    From gcblue with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
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: sample.py    From synthesizer with GNU Lesser General Public License v3.0 6 votes vote down vote up 
def fadeout(self, seconds: float, target_volume: float = 0.0) -> 'Sample':
        """Fade the end of the sample out to the target volume (usually zero) in the given time."""
        if self.__locked:
            raise RuntimeError("cannot modify a locked sample")
        if not self.__frames:
            return self
        seconds = min(seconds, self.duration)
        i = self.frame_idx(self.duration-seconds)
        begin = self.__frames[:i]
        end = self.__frames[i:]  # we fade this chunk
        numsamples = len(end)/self.__samplewidth
        decrease = 1.0-target_volume
        _sw = self.__samplewidth     # optimization
        _getsample = audioop.getsample   # optimization
        faded = Sample.get_array(_sw, [int(_getsample(end, _sw, i)*(1.0-i*decrease/numsamples)) for i in range(int(numsamples))])
        end = faded.tobytes()
        if sys.byteorder == "big":
            end = audioop.byteswap(end, self.__samplewidth)
        self.__frames = begin + end
        return self
Example #8
Source File: test_audioop.py    From ironpython3 with Apache License 2.0 6 votes vote down vote up 
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 #9
Source File: test_audioop.py    From ironpython3 with Apache License 2.0 6 votes vote down vote up 
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: test_audioop.py    From Fluid-Designer with GNU General Public License v3.0 6 votes vote down vote up 
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 #11
Source File: test_audioop.py    From ironpython2 with Apache License 2.0 6 votes vote down vote up 
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 #12
Source File: test_audioop.py    From BinderFilter with MIT License 6 votes vote down vote up 
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 vote down vote up 
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 Fluid-Designer with GNU General Public License v3.0 6 votes vote down vote up 
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: test_audioop.py    From ironpython2 with Apache License 2.0 5 votes vote down vote up 
def test_getsample(self):
        for w in 1, 2, 4:
            data = packs[w](0, 1, -1, maxvalues[w], minvalues[w])
            self.assertEqual(audioop.getsample(data, w, 0), 0)
            self.assertEqual(audioop.getsample(data, w, 1), 1)
            self.assertEqual(audioop.getsample(data, w, 2), -1)
            self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w])
            self.assertEqual(audioop.getsample(data, w, 4), minvalues[w])
Example #16
Source File: test_audioop.py    From gcblue with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_getsample(self):
        for w in 1, 2, 4:
            data = packs[w](0, 1, -1, maxvalues[w], minvalues[w])
            self.assertEqual(audioop.getsample(data, w, 0), 0)
            self.assertEqual(audioop.getsample(data, w, 1), 1)
            self.assertEqual(audioop.getsample(data, w, 2), -1)
            self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w])
            self.assertEqual(audioop.getsample(data, w, 4), minvalues[w])
Example #17
Source File: test_audioop.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def test_getsample(self):
        for w in 1, 2, 3, 4:
            data = packs[w](0, 1, -1, maxvalues[w], minvalues[w])
            self.assertEqual(audioop.getsample(data, w, 0), 0)
            self.assertEqual(audioop.getsample(bytearray(data), w, 0), 0)
            self.assertEqual(audioop.getsample(memoryview(data), w, 0), 0)
            self.assertEqual(audioop.getsample(data, w, 1), 1)
            self.assertEqual(audioop.getsample(data, w, 2), -1)
            self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w])
            self.assertEqual(audioop.getsample(data, w, 4), minvalues[w])
Example #18
Source File: test_audioop.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_getsample(self):
        for w in 1, 2, 3, 4:
            data = packs[w](0, 1, -1, maxvalues[w], minvalues[w])
            self.assertEqual(audioop.getsample(data, w, 0), 0)
            self.assertEqual(audioop.getsample(bytearray(data), w, 0), 0)
            self.assertEqual(audioop.getsample(memoryview(data), w, 0), 0)
            self.assertEqual(audioop.getsample(data, w, 1), 1)
            self.assertEqual(audioop.getsample(data, w, 2), -1)
            self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w])
            self.assertEqual(audioop.getsample(data, w, 4), minvalues[w])
Example #19
Source File: test_audioop.py    From oss-ftp with MIT License 5 votes vote down vote up 
def test_getsample(self):
        for w in 1, 2, 4:
            data = packs[w](0, 1, -1, maxvalues[w], minvalues[w])
            self.assertEqual(audioop.getsample(data, w, 0), 0)
            self.assertEqual(audioop.getsample(data, w, 1), 1)
            self.assertEqual(audioop.getsample(data, w, 2), -1)
            self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w])
            self.assertEqual(audioop.getsample(data, w, 4), minvalues[w])
Example #20
Source File: test_audioop.py    From medicare-demo with Apache License 2.0 5 votes vote down vote up 
def gendata2():
    if verbose:
        print 'getsample'
    if audioop.getsample('\0\1', 2, 0) == 1:
        return '\0\0\0\1\0\2'
    else:
        return '\0\0\1\0\2\0'
Example #21
Source File: test_audioop.py    From medicare-demo with Apache License 2.0 5 votes vote down vote up 
def gendata4():
    if verbose:
        print 'getsample'
    if audioop.getsample('\0\0\0\1', 4, 0) == 1:
        return '\0\0\0\0\0\0\0\1\0\0\0\2'
    else:
        return '\0\0\0\0\1\0\0\0\2\0\0\0'
Example #22
Source File: test_audioop.py    From medicare-demo with Apache License 2.0 5 votes vote down vote up 
def testgetsample(data):
    if verbose:
        print 'getsample'
    for i in range(3):
        if audioop.getsample(data[0], 1, i) != i or \
                  audioop.getsample(data[1], 2, i) != i or \
                  audioop.getsample(data[2], 4, i) != i:
            return 0
    return 1
Example #23
Source File: test_audioop.py    From CTFCrackTools-V2 with GNU General Public License v3.0 5 votes vote down vote up 
def test_getsample(self):
        for w in 1, 2, 4:
            data = packs[w](0, 1, -1, maxvalues[w], minvalues[w])
            self.assertEqual(audioop.getsample(data, w, 0), 0)
            self.assertEqual(audioop.getsample(data, w, 1), 1)
            self.assertEqual(audioop.getsample(data, w, 2), -1)
            self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w])
            self.assertEqual(audioop.getsample(data, w, 4), minvalues[w])
Example #24
Source File: test_audioop.py    From BinderFilter with MIT License 5 votes vote down vote up 
def test_getsample(self):
        for w in 1, 2, 4:
            data = packs[w](0, 1, -1, maxvalues[w], minvalues[w])
            self.assertEqual(audioop.getsample(data, w, 0), 0)
            self.assertEqual(audioop.getsample(data, w, 1), 1)
            self.assertEqual(audioop.getsample(data, w, 2), -1)
            self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w])
            self.assertEqual(audioop.getsample(data, w, 4), minvalues[w])
Example #25
Source File: test_audioop.py    From CTFCrackTools with GNU General Public License v3.0 5 votes vote down vote up 
def test_getsample(self):
        for w in 1, 2, 4:
            data = packs[w](0, 1, -1, maxvalues[w], minvalues[w])
            self.assertEqual(audioop.getsample(data, w, 0), 0)
            self.assertEqual(audioop.getsample(data, w, 1), 1)
            self.assertEqual(audioop.getsample(data, w, 2), -1)
            self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w])
            self.assertEqual(audioop.getsample(data, w, 4), minvalues[w])
Example #26
Source File: test_audioop.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_getsample(self):
        for w in 1, 2, 3, 4:
            data = packs[w](0, 1, -1, maxvalues[w], minvalues[w])
            self.assertEqual(audioop.getsample(data, w, 0), 0)
            self.assertEqual(audioop.getsample(bytearray(data), w, 0), 0)
            self.assertEqual(audioop.getsample(memoryview(data), w, 0), 0)
            self.assertEqual(audioop.getsample(data, w, 1), 1)
            self.assertEqual(audioop.getsample(data, w, 2), -1)
            self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w])
            self.assertEqual(audioop.getsample(data, w, 4), minvalues[w])
Example #27
Source File: audioAnalysisRecordAlsa.py    From pyAudioAnalysis with Apache License 2.0 4 votes vote down vote up 
def recordAudioSegments(RecordPath, BLOCKSIZE):	
	# This function is used for recording audio segments (until ctr+c is pressed)
	# ARGUMENTS:
	# - RecordPath:		the path where the wav segments will be stored
	# - BLOCKSIZE:		segment recording size (in seconds)
	# 
	# NOTE: filenames are based on clock() value
	
	print "Press Ctr+C to stop recording"
	RecordPath += os.sep
	d = os.path.dirname(RecordPath)
	if os.path.exists(d) and RecordPath!=".":
		shutil.rmtree(RecordPath)	
	os.makedirs(RecordPath)	

	inp = alsaaudio.PCM(alsaaudio.PCM_CAPTURE,alsaaudio.PCM_NONBLOCK)
	inp.setchannels(1)
	inp.setrate(Fs)
	inp.setformat(alsaaudio.PCM_FORMAT_S16_LE)
	inp.setperiodsize(512)
	midTermBufferSize = int(Fs*BLOCKSIZE)
	midTermBuffer = []
	curWindow = []
	elapsedTime = "%08.3f" % (time.time())
	while 1:
			l,data = inp.read()		   
		    	if l:
				for i in range(len(data)/2):
					curWindow.append(audioop.getsample(data, 2, i))
		
				if (len(curWindow)+len(midTermBuffer)>midTermBufferSize):
					samplesToCopyToMidBuffer = midTermBufferSize - len(midTermBuffer)
				else:
					samplesToCopyToMidBuffer = len(curWindow)

				midTermBuffer = midTermBuffer + curWindow[0:samplesToCopyToMidBuffer];
				del(curWindow[0:samplesToCopyToMidBuffer])
			

			if len(midTermBuffer) == midTermBufferSize:
				# allData = allData + midTermBuffer				
				curWavFileName = RecordPath + os.sep + str(elapsedTime) + ".wav"				
				midTermBufferArray = numpy.int16(midTermBuffer)
				wavfile.write(curWavFileName, Fs, midTermBufferArray)
				print "AUDIO  OUTPUT: Saved " + curWavFileName
				midTermBuffer = []
				elapsedTime = "%08.3f" % (time.time())