sunau.py 文件源码

def writeframesraw(self, data):
        if not isinstance(data, (bytes, bytearray)):
            data = memoryview(data).cast('B')
        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)