-                file_http_base_url = 'http://%s/%s' % (host, file_http)
-                formats.extend(self._extract_f4m_formats(
-                    file_http_base_url + 'manifest.f4m', video_id,
-                    preference, '%s-hds' % quality, fatal=False))
-                formats.extend(self._extract_m3u8_formats(
-                    file_http_base_url + 'playlist.m3u8', video_id, 'mp4',
-                    'm3u8_native', preference, '%s-hls' % quality, fatal=False))
+                formats.extend(self._extract_wowza_formats(
+                    'http://%s/%splaylist.m3u8' % (host, file_http), video_id, skip_protocols=['rtmp', 'rtsp']))