def _extract_from_json_url(self, json_url, video_id, lang):
info = self._download_json(json_url, video_id)
player_info = info['videoJsonPlayer']
def _extract_from_json_url(self, json_url, video_id, lang):
info = self._download_json(json_url, video_id)
player_info = info['videoJsonPlayer']