(self, nchannels)
| 456 | # User visible methods. |
| 457 | # |
| 458 | def setnchannels(self, nchannels): |
| 459 | if self._datawritten: |
| 460 | raise Error('cannot change parameters after starting to write') |
| 461 | if nchannels < 1: |
| 462 | raise Error('bad # of channels') |
| 463 | self._nchannels = nchannels |
| 464 | |
| 465 | def getnchannels(self): |
| 466 | if not self._nchannels: |