+ def extract_subtitles(self, *args, **kwargs):
+ if (self._downloader.params.get('writesubtitles', False) or
+ self._downloader.params.get('listsubtitles')):
+ return self._get_subtitles(*args, **kwargs)
+ return {}
+
+ def _get_subtitles(self, *args, **kwargs):
+ raise NotImplementedError("This method must be implemented by subclasses")
+
+ def extract_automatic_captions(self, *args, **kwargs):
+ if (self._downloader.params.get('writeautomaticsub', False) or
+ self._downloader.params.get('listsubtitles')):
+ return self._get_automatic_captions(*args, **kwargs)
+ return {}
+
+ def _get_automatic_captions(self, *args, **kwargs):
+ raise NotImplementedError("This method must be implemented by subclasses")
+
+ def _subtitles_timecode(self, seconds):
+ return '%02d:%02d:%02d.%03d' % (seconds / 3600, (seconds % 3600) / 60, seconds % 60, (seconds % 1) * 1000)
+