- video_url = self._search_regex(
- r'data-href="[^"]*/%s"[^>]+data-release-url="([^"]+)"' % video_id,
- webpage, 'video url')
+ media_url = self._search_regex(self._VIDEO_URL_RE, webpage, 'video url')
+
+ pdk_signature = webpage = self._download_webpage(
+ 'https://signature.video.aetndigital.com/?' +
+ compat_urllib_parse.urlencode({'url': media_url}), video_id)