Python cl.G711_ALAW屬性代碼示例

本文整理匯總了Python中cl.G711_ALAW屬性的典型用法代碼示例。如果您正苦於以下問題：Python cl.G711_ALAW屬性的具體用法？Python cl.G711_ALAW怎麽用？Python cl.G711_ALAW使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類cl的用法示例。

在下文中一共展示了cl.G711_ALAW屬性的5個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: _init_compression

# 需要導入模塊: import cl [as 別名]
# 或者: from cl import G711_ALAW [as 別名]
def _init_compression(self):
        if self._comptype == 'G722':
            self._convert = self._lin2adpcm
            return
        try:
            import cl
        except ImportError:
            if self._comptype == 'ULAW':
                try:
                    import audioop
                    self._convert = self._lin2ulaw
                    return
                except ImportError:
                    pass
            raise Error, 'cannot write compressed AIFF-C files'
        if self._comptype == 'ULAW':
            scheme = cl.G711_ULAW
        elif self._comptype == 'ALAW':
            scheme = cl.G711_ALAW
        else:
            raise Error, 'unsupported compression type'
        self._comp = cl.OpenCompressor(scheme)
        params = [cl.ORIGINAL_FORMAT, 0,
              cl.BITS_PER_COMPONENT, self._sampwidth * 8,
              cl.FRAME_RATE, self._framerate,
              cl.FRAME_BUFFER_SIZE, 100,
              cl.COMPRESSED_BUFFER_SIZE, 100]
        if self._nchannels == 1:
            params[1] = cl.MONO
        elif self._nchannels == 2:
            params[1] = cl.STEREO_INTERLEAVED
        else:
            raise Error, 'cannot compress more than 2 channels'
        self._comp.SetParams(params)
        # the compressor produces a header which we ignore
        dummy = self._comp.Compress(0, '')
        self._convert = self._comp_data

開發者ID:glmcdona，項目名稱:meddle，代碼行數:39，代碼來源:aifc.py

示例2: _init_compression

# 需要導入模塊: import cl [as 別名]
# 或者: from cl import G711_ALAW [as 別名]
def _init_compression(self):
        if self._comptype == 'G722':
            self._convert = self._lin2adpcm
            return
        try:
            import cl
        except ImportError:
            if self._comptype in ('ULAW', 'ulaw'):
                try:
                    import audioop
                    self._convert = self._lin2ulaw
                    return
                except ImportError:
                    pass
            raise Error, 'cannot write compressed AIFF-C files'
        if self._comptype in ('ULAW', 'ulaw'):
            scheme = cl.G711_ULAW
        elif self._comptype in ('ALAW', 'alaw'):
            scheme = cl.G711_ALAW
        else:
            raise Error, 'unsupported compression type'
        self._comp = cl.OpenCompressor(scheme)
        params = [cl.ORIGINAL_FORMAT, 0,
              cl.BITS_PER_COMPONENT, self._sampwidth * 8,
              cl.FRAME_RATE, self._framerate,
              cl.FRAME_BUFFER_SIZE, 100,
              cl.COMPRESSED_BUFFER_SIZE, 100]
        if self._nchannels == 1:
            params[1] = cl.MONO
        elif self._nchannels == 2:
            params[1] = cl.STEREO_INTERLEAVED
        else:
            raise Error, 'cannot compress more than 2 channels'
        self._comp.SetParams(params)
        # the compressor produces a header which we ignore
        dummy = self._comp.Compress(0, '')
        self._convert = self._comp_data

開發者ID:IronLanguages，項目名稱:ironpython2，代碼行數:39，代碼來源:aifc.py

示例3: _read_comm_chunk

# 需要導入模塊: import cl [as 別名]
# 或者: from cl import G711_ALAW [as 別名]
def _read_comm_chunk(self, chunk):
        self._nchannels = _read_short(chunk)
        self._nframes = _read_long(chunk)
        self._sampwidth = (_read_short(chunk) + 7) // 8
        self._framerate = int(_read_float(chunk))
        self._framesize = self._nchannels * self._sampwidth
        if self._aifc:
            #DEBUG: SGI's soundeditor produces a bad size :-(
            kludge = 0
            if chunk.chunksize == 18:
                kludge = 1
                print 'Warning: bad COMM chunk size'
                chunk.chunksize = 23
            #DEBUG end
            self._comptype = chunk.read(4)
            #DEBUG start
            if kludge:
                length = ord(chunk.file.read(1))
                if length & 1 == 0:
                    length = length + 1
                chunk.chunksize = chunk.chunksize + length
                chunk.file.seek(-1, 1)
            #DEBUG end
            self._compname = _read_string(chunk)
            if self._comptype != 'NONE':
                if self._comptype == 'G722':
                    try:
                        import audioop
                    except ImportError:
                        pass
                    else:
                        self._convert = self._adpcm2lin
                        self._framesize = self._framesize // 4
                        return
                # for ULAW and ALAW try Compression Library
                try:
                    import cl
                except ImportError:
                    if self._comptype == 'ULAW':
                        try:
                            import audioop
                            self._convert = self._ulaw2lin
                            self._framesize = self._framesize // 2
                            return
                        except ImportError:
                            pass
                    raise Error, 'cannot read compressed AIFF-C files'
                if self._comptype == 'ULAW':
                    scheme = cl.G711_ULAW
                    self._framesize = self._framesize // 2
                elif self._comptype == 'ALAW':
                    scheme = cl.G711_ALAW
                    self._framesize = self._framesize // 2
                else:
                    raise Error, 'unsupported compression type'
                self._decomp = cl.OpenDecompressor(scheme)
                self._convert = self._decomp_data
        else:
            self._comptype = 'NONE'
            self._compname = 'not compressed'

開發者ID:glmcdona，項目名稱:meddle，代碼行數:62，代碼來源:aifc.py

示例4: _read_comm_chunk

# 需要導入模塊: import cl [as 別名]
# 或者: from cl import G711_ALAW [as 別名]
def _read_comm_chunk(self, chunk):
        self._nchannels = _read_short(chunk)
        self._nframes = _read_long(chunk)
        self._sampwidth = (_read_short(chunk) + 7) // 8
        self._framerate = int(_read_float(chunk))
        self._framesize = self._nchannels * self._sampwidth
        if self._aifc:
            #DEBUG: SGI's soundeditor produces a bad size :-(
            kludge = 0
            if chunk.chunksize == 18:
                kludge = 1
                print 'Warning: bad COMM chunk size'
                chunk.chunksize = 23
            #DEBUG end
            self._comptype = chunk.read(4)
            #DEBUG start
            if kludge:
                length = ord(chunk.file.read(1))
                if length & 1 == 0:
                    length = length + 1
                chunk.chunksize = chunk.chunksize + length
                chunk.file.seek(-1, 1)
            #DEBUG end
            self._compname = _read_string(chunk)
            if self._comptype != 'NONE':
                if self._comptype == 'G722':
                    try:
                        import audioop
                    except ImportError:
                        pass
                    else:
                        self._convert = self._adpcm2lin
                        self._sampwidth = 2
                        return
                # for ULAW and ALAW try Compression Library
                try:
                    import cl
                except ImportError:
                    if self._comptype in ('ULAW', 'ulaw'):
                        try:
                            import audioop
                            self._convert = self._ulaw2lin
                            self._sampwidth = 2
                            return
                        except ImportError:
                            pass
                    raise Error, 'cannot read compressed AIFF-C files'
                if self._comptype in ('ULAW', 'ulaw'):
                    scheme = cl.G711_ULAW
                elif self._comptype in ('ALAW', 'alaw'):
                    scheme = cl.G711_ALAW
                else:
                    raise Error, 'unsupported compression type'
                self._decomp = cl.OpenDecompressor(scheme)
                self._convert = self._decomp_data
                self._sampwidth = 2
        else:
            self._comptype = 'NONE'
            self._compname = 'not compressed'

開發者ID:IronLanguages，項目名稱:ironpython2，代碼行數:61，代碼來源:aifc.py

示例5: _read_comm_chunk

# 需要導入模塊: import cl [as 別名]
# 或者: from cl import G711_ALAW [as 別名]
def _read_comm_chunk(self, chunk):
        self._nchannels = _read_short(chunk)
        self._nframes = _read_long(chunk)
        self._sampwidth = (_read_short(chunk) + 7) / 8
        self._framerate = int(_read_float(chunk))
        self._framesize = self._nchannels * self._sampwidth
        if self._aifc:
            #DEBUG: SGI's soundeditor produces a bad size :-(
            kludge = 0
            if chunk.chunksize == 18:
                kludge = 1
                print 'Warning: bad COMM chunk size'
                chunk.chunksize = 23
            #DEBUG end
            self._comptype = chunk.read(4)
            #DEBUG start
            if kludge:
                length = ord(chunk.file.read(1))
                if length & 1 == 0:
                    length = length + 1
                chunk.chunksize = chunk.chunksize + length
                chunk.file.seek(-1, 1)
            #DEBUG end
            self._compname = _read_string(chunk)
            if self._comptype != 'NONE':
                if self._comptype == 'G722':
                    try:
                        import audioop
                    except ImportError:
                        pass
                    else:
                        self._convert = self._adpcm2lin
                        self._framesize = self._framesize / 4
                        return
                # for ULAW and ALAW try Compression Library
                try:
                    import cl
                except ImportError:
                    if self._comptype == 'ULAW':
                        try:
                            import audioop
                            self._convert = self._ulaw2lin
                            self._framesize = self._framesize / 2
                            return
                        except ImportError:
                            pass
                    raise Error, 'cannot read compressed AIFF-C files'
                if self._comptype == 'ULAW':
                    scheme = cl.G711_ULAW
                    self._framesize = self._framesize / 2
                elif self._comptype == 'ALAW':
                    scheme = cl.G711_ALAW
                    self._framesize = self._framesize / 2
                else:
                    raise Error, 'unsupported compression type'
                self._decomp = cl.OpenDecompressor(scheme)
                self._convert = self._decomp_data
        else:
            self._comptype = 'NONE'
            self._compname = 'not compressed'

開發者ID:ofermend，項目名稱:medicare-demo，代碼行數:62，代碼來源:aifc.py

注：本文中的cl.G711_ALAW屬性示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。