+        # some sites use this embed format (see: http://github.com/rg3/youtube-dl/issues/2990)
+        if m.group('type') == 'embed/recorded':
+            video_id = m.group('videoID')
+            desktop_url = 'http://www.ustream.tv/recorded/' + video_id
+            return self.url_result(desktop_url, 'Ustream')
+        if m.group('type') == 'embed':
+            video_id = m.group('videoID')
+            webpage = self._download_webpage(url, video_id)
+            desktop_video_id = self._html_search_regex(
+                r'ContentVideoIds=\["([^"]*?)"\]', webpage, 'desktop_video_id')
+            desktop_url = 'http://www.ustream.tv/recorded/' + desktop_video_id
+            return self.url_result(desktop_url, 'Ustream')
+
+        params = self._download_json(
+            'http://cdngw.ustream.tv/rgwjson/Viewer.getVideo/' + json.dumps({
+                'brandId': 1,
+                'videoId': int(video_id),
+                'autoplay': False,
+            }), video_id)
+
+        if 'error' in params:
+            raise ExtractorError(params['error']['message'], expected=True)
+
+        video_url = params['flv']
+