+
+ if not found:
+ # twitter:player is a https URL to iframe player that may or may not
+ # be supported by youtube-dl thus this is checked the very last (see
+ # https://dev.twitter.com/cards/types/player#On_twitter.com_via_desktop_browser)
+ embed_url = self._html_search_meta('twitter:player', webpage, default=None)
+ if embed_url:
+ return self.url_result(embed_url)
+