python类lin2ulaw()的实例源码-面圈网

test_audioop.py 文件源码项目：zippy 作者: securesystemslab 项目源码文件源码阅读 21 收藏 0 点赞 0 评论 0

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)

test_audioop.py 文件源码项目：oil 作者: oilshell 项目源码文件源码阅读 25 收藏 0 点赞 0 评论 0

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)

test_audioop.py 文件源码项目：python2-tracer 作者: extremecoders-re 项目源码文件源码阅读 22 收藏 0 点赞 0 评论 0

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)

test_audioop.py 文件源码项目：web_ctp 作者: molebot 项目源码文件源码阅读 22 收藏 0 点赞 0 评论 0

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)

test_audioop.py 文件源码项目：pefile.pypy 作者: cloudtracer 项目源码文件源码阅读 22 收藏 0 点赞 0 评论 0

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)

test_audioop.py 文件源码项目：ouroboros 作者: pybee 项目源码文件源码阅读 25 收藏 0 点赞 0 评论 0

def test_ulaw2lin(self):
        encoded = b'\x00\x0e\x28\x3f\x57\x6a\x76\x7c\x7e\x7f'\
                  b'\x80\x8e\xa8\xbf\xd7\xea\xf6\xfc\xfe\xff'
        src = [-8031, -4447, -1471, -495, -163, -53, -18, -6, -2, 0,
               8031, 4447, 1471, 495, 163, 53, 18, 6, 2, 0]
        for w in 1, 2, 3, 4:
            decoded = packs[w](*(x << (w * 8) >> 14 for x in src))
            self.assertEqual(audioop.ulaw2lin(encoded, w), decoded)
            self.assertEqual(audioop.ulaw2lin(bytearray(encoded), w), decoded)
            self.assertEqual(audioop.ulaw2lin(memoryview(encoded), w), decoded)

        # Current u-law implementation has two codes fo 0: 0x7f and 0xff.
        encoded = bytes(range(127)) + bytes(range(128, 256))
        for w in 2, 3, 4:
            decoded = audioop.ulaw2lin(encoded, w)
            self.assertEqual(audioop.lin2ulaw(decoded, w), encoded)

test_audioop.py 文件源码项目：ouroboros 作者: pybee 项目源码文件源码阅读 26 收藏 0 点赞 0 评论 0

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)

test_audioop.py 文件源码项目：ouroboros 作者: pybee 项目源码文件源码阅读 20 收藏 0 点赞 0 评论 0

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)

test_audioop.py 文件源码项目：ndk-python 作者: gittor 项目源码文件源码阅读 23 收藏 0 点赞 0 评论 0

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)

test_audioop.py 文件源码项目：kbe_server 作者: xiaohaoppy 项目源码文件源码阅读 26 收藏 0 点赞 0 评论 0

def test_ulaw2lin(self):
        encoded = b'\x00\x0e\x28\x3f\x57\x6a\x76\x7c\x7e\x7f'\
                  b'\x80\x8e\xa8\xbf\xd7\xea\xf6\xfc\xfe\xff'
        src = [-8031, -4447, -1471, -495, -163, -53, -18, -6, -2, 0,
               8031, 4447, 1471, 495, 163, 53, 18, 6, 2, 0]
        for w in 1, 2, 3, 4:
            decoded = packs[w](*(x << (w * 8) >> 14 for x in src))
            self.assertEqual(audioop.ulaw2lin(encoded, w), decoded)
            self.assertEqual(audioop.ulaw2lin(bytearray(encoded), w), decoded)
            self.assertEqual(audioop.ulaw2lin(memoryview(encoded), w), decoded)

        # Current u-law implementation has two codes fo 0: 0x7f and 0xff.
        encoded = bytes(range(127)) + bytes(range(128, 256))
        for w in 2, 3, 4:
            decoded = audioop.ulaw2lin(encoded, w)
            self.assertEqual(audioop.lin2ulaw(decoded, w), encoded)

test_audioop.py 文件源码项目：kbe_server 作者: xiaohaoppy 项目源码文件源码阅读 22 收藏 0 点赞 0 评论 0

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)

test_audioop.py 文件源码项目：kbe_server 作者: xiaohaoppy 项目源码文件源码阅读 22 收藏 0 点赞 0 评论 0

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)

sunau.py 文件源码项目：kinect-2-libras 作者: inessadl 项目源码文件源码阅读 28 收藏 0 点赞 0 评论 0

def writeframesraw(self, data):
        self._ensure_header_written()
        nframes = len(data) / self._framesize
        if self._comptype == 'ULAW':
            import audioop
            data = audioop.lin2ulaw(data, self._sampwidth)
        self._file.write(data)
        self._nframeswritten = self._nframeswritten + nframes
        self._datawritten = self._datawritten + len(data)

aifc.py 文件源码项目：kinect-2-libras 作者: inessadl 项目源码文件源码阅读 31 收藏 0 点赞 0 评论 0

def _lin2ulaw(self, data):
        import audioop
        return audioop.lin2ulaw(data, 2)

sunau.py 文件源码项目：hostapd-mana 作者: adde88 项目源码文件源码阅读 24 收藏 0 点赞 0 评论 0

def writeframesraw(self, data):
        self._ensure_header_written()
        if self._comptype == 'ULAW':
            import audioop
            data = audioop.lin2ulaw(data, self._sampwidth)
        nframes = len(data) // self._framesize
        self._file.write(data)
        self._nframeswritten = self._nframeswritten + nframes
        self._datawritten = self._datawritten + len(data)

aifc.py 文件源码项目：hostapd-mana 作者: adde88 项目源码文件源码阅读 24 收藏 0 点赞 0 评论 0

def _lin2ulaw(self, data):
        import audioop
        return audioop.lin2ulaw(data, 2)

sunau.py 文件源码项目：zippy 作者: securesystemslab 项目源码文件源码阅读 29 收藏 0 点赞 0 评论 0

def writeframesraw(self, data):
        self._ensure_header_written()
        nframes = len(data) / self._framesize
        if self._comptype == 'ULAW':
            import audioop
            data = audioop.lin2ulaw(data, self._sampwidth)
        self._file.write(data)
        self._nframeswritten = self._nframeswritten + nframes
        self._datawritten = self._datawritten + len(data)

test_audioop.py 文件源码项目：zippy 作者: securesystemslab 项目源码文件源码阅读 26 收藏 0 点赞 0 评论 0

def test_lin2ulaw(self):
        self.assertEqual(audioop.lin2ulaw(data[0], 1), b'\xff\xe7\xdb')
        self.assertEqual(audioop.lin2ulaw(data[1], 2), b'\xff\xff\xff')
        self.assertEqual(audioop.lin2ulaw(data[2], 4), b'\xff\xff\xff')

test_audioop.py 文件源码项目：zippy 作者: securesystemslab 项目源码文件源码阅读 24 收藏 0 点赞 0 评论 0

def test_ulaw2lin(self):
        # Cursory
        d = audioop.lin2ulaw(data[0], 1)
        self.assertEqual(audioop.ulaw2lin(d, 1), data[0])
        if endian == 'big':
            self.assertEqual(audioop.ulaw2lin(d, 2),
                             b'\x00\x00\x01\x04\x02\x0c')
            self.assertEqual(audioop.ulaw2lin(d, 4),
                             b'\x00\x00\x00\x00\x01\x04\x00\x00\x02\x0c\x00\x00')
        else:
            self.assertEqual(audioop.ulaw2lin(d, 2),
                             b'\x00\x00\x04\x01\x0c\x02')
            self.assertEqual(audioop.ulaw2lin(d, 4),
                             b'\x00\x00\x00\x00\x00\x00\x04\x01\x00\x00\x0c\x02')

aifc.py 文件源码项目：zippy 作者: securesystemslab 项目源码文件源码阅读 31 收藏 0 点赞 0 评论 0

def _lin2ulaw(self, data):
        import audioop
        return audioop.lin2ulaw(data, 2)

sunau.py 文件源码项目：oil 作者: oilshell 项目源码文件源码阅读 25 收藏 0 点赞 0 评论 0

def writeframesraw(self, data):
        self._ensure_header_written()
        if self._comptype == 'ULAW':
            import audioop
            data = audioop.lin2ulaw(data, self._sampwidth)
        nframes = len(data) // self._framesize
        self._file.write(data)
        self._nframeswritten = self._nframeswritten + nframes
        self._datawritten = self._datawritten + len(data)

test_audioop.py 文件源码项目：oil 作者: oilshell 项目源码文件源码阅读 25 收藏 0 点赞 0 评论 0

def test_lin2ulaw(self):
        self.assertEqual(audioop.lin2ulaw(datas[1], 1),
                         b'\xff\xad\x8e\x0e\x80\x00\x67')
        self.assertEqual(audioop.lin2ulaw(datas[2], 2),
                         b'\xff\xad\x8e\x0e\x80\x00\x7e')
        self.assertEqual(audioop.lin2ulaw(datas[4], 4),
                         b'\xff\xad\x8e\x0e\x80\x00\x7e')

test_audioop.py 文件源码项目：oil 作者: oilshell 项目源码文件源码阅读 19 收藏 0 点赞 0 评论 0

def test_ulaw2lin(self):
        encoded = b'\x00\x0e\x28\x3f\x57\x6a\x76\x7c\x7e\x7f'\
                  b'\x80\x8e\xa8\xbf\xd7\xea\xf6\xfc\xfe\xff'
        src = [-8031, -4447, -1471, -495, -163, -53, -18, -6, -2, 0,
               8031, 4447, 1471, 495, 163, 53, 18, 6, 2, 0]
        for w in 1, 2, 4:
            self.assertEqual(audioop.ulaw2lin(encoded, w),
                             packs[w](*(x << (w * 8) >> 14 for x in src)))

        # Current u-law implementation has two codes fo 0: 0x7f and 0xff.
        encoded = ''.join(chr(x) for x in range(127) + range(128, 256))
        for w in 2, 4:
            decoded = audioop.ulaw2lin(encoded, w)
            self.assertEqual(audioop.lin2ulaw(decoded, w), encoded)

aifc.py 文件源码项目：oil 作者: oilshell 项目源码文件源码阅读 22 收藏 0 点赞 0 评论 0

def _lin2ulaw(self, data):
        import audioop
        return audioop.lin2ulaw(data, 2)

sunau.py 文件源码项目：python2-tracer 作者: extremecoders-re 项目源码文件源码阅读 25 收藏 0 点赞 0 评论 0

def writeframesraw(self, data):
        self._ensure_header_written()
        if self._comptype == 'ULAW':
            import audioop
            data = audioop.lin2ulaw(data, self._sampwidth)
        nframes = len(data) // self._framesize
        self._file.write(data)
        self._nframeswritten = self._nframeswritten + nframes
        self._datawritten = self._datawritten + len(data)

test_audioop.py 文件源码项目：python2-tracer 作者: extremecoders-re 项目源码文件源码阅读 26 收藏 0 点赞 0 评论 0

def test_lin2ulaw(self):
        self.assertEqual(audioop.lin2ulaw(datas[1], 1),
                         b'\xff\xad\x8e\x0e\x80\x00\x67')
        self.assertEqual(audioop.lin2ulaw(datas[2], 2),
                         b'\xff\xad\x8e\x0e\x80\x00\x7e')
        self.assertEqual(audioop.lin2ulaw(datas[4], 4),
                         b'\xff\xad\x8e\x0e\x80\x00\x7e')

test_audioop.py 文件源码项目：python2-tracer 作者: extremecoders-re 项目源码文件源码阅读 27 收藏 0 点赞 0 评论 0

def test_ulaw2lin(self):
        encoded = b'\x00\x0e\x28\x3f\x57\x6a\x76\x7c\x7e\x7f'\
                  b'\x80\x8e\xa8\xbf\xd7\xea\xf6\xfc\xfe\xff'
        src = [-8031, -4447, -1471, -495, -163, -53, -18, -6, -2, 0,
               8031, 4447, 1471, 495, 163, 53, 18, 6, 2, 0]
        for w in 1, 2, 4:
            self.assertEqual(audioop.ulaw2lin(encoded, w),
                             packs[w](*(x << (w * 8) >> 14 for x in src)))

        # Current u-law implementation has two codes fo 0: 0x7f and 0xff.
        encoded = ''.join(chr(x) for x in range(127) + range(128, 256))
        for w in 2, 4:
            decoded = audioop.ulaw2lin(encoded, w)
            self.assertEqual(audioop.lin2ulaw(decoded, w), encoded)

aifc.py 文件源码项目：python2-tracer 作者: extremecoders-re 项目源码文件源码阅读 25 收藏 0 点赞 0 评论 0

def _lin2ulaw(self, data):
        import audioop
        return audioop.lin2ulaw(data, 2)

sunau.py 文件源码项目：sslstrip-hsts-openwrt 作者: adde88 项目源码文件源码阅读 24 收藏 0 点赞 0 评论 0

def writeframesraw(self, data):
        self._ensure_header_written()
        if self._comptype == 'ULAW':
            import audioop
            data = audioop.lin2ulaw(data, self._sampwidth)
        nframes = len(data) // self._framesize
        self._file.write(data)
        self._nframeswritten = self._nframeswritten + nframes
        self._datawritten = self._datawritten + len(data)

aifc.py 文件源码项目：sslstrip-hsts-openwrt 作者: adde88 项目源码文件源码阅读 25 收藏 0 点赞 0 评论 0

def _lin2ulaw(self, data):
        import audioop
        return audioop.lin2ulaw(data, 2)