def _extract_vrv_formats(self, url, video_id, stream_format, audio_lang, hardsub_lang):
if not url or stream_format not in ('hls', 'dash'):
return []
- stream_id = hardsub_lang or audio_lang
+ assert audio_lang or hardsub_lang
+ stream_id_list = []
+ if audio_lang:
+ stream_id_list.append('audio-%s' % audio_lang)
+ if hardsub_lang:
+ stream_id_list.append('hardsub-%s' % hardsub_lang)
+ stream_id = '-'.join(stream_id_list)
format_id = '%s-%s' % (stream_format, stream_id)
if stream_format == 'hls':
adaptive_formats = self._extract_m3u8_formats(