-            ext = mimetype2ext(source_type) or determine_ext(source_url)
-            if ext == 'm3u8':
-                formats.extend(self._extract_m3u8_formats(
-                    source_url, video_id, 'mp4', 'm3u8_native',
-                    m3u8_id='hls', fatal=False))
-                formats.extend(self._extract_f4m_formats(
-                    source_url.replace('.m3u8', '.f4m'),
-                    video_id, f4m_id='hds', fatal=False))
-            elif ext == 'mp4':
-                quality = source.get('quality')
+            urls.append(asset_url)
+            container = asset.get('video_container')
+            ext = determine_ext(asset_url)
+            if protocol == 'http_subtitle' or ext == 'vtt':
+                subtitles.setdefault('fr', []).append({'url': asset_url})
+                continue
+            if container == 'm3u8' or ext == 'm3u8':
+                if protocol == 'usp':
+                    if compat_parse_qs(compat_urllib_parse_urlparse(asset_url).query).get('token', [None])[0]:
+                        urlh = self._request_webpage(asset_url, video_id, fatal=False)
+                        if not urlh:
+                            continue
+                        asset_url = urlh.geturl()
+                    asset_url = re.sub(r'/([^/]+)\.ism/[^/]*\.m3u8', r'/\1.ism/\1.m3u8', asset_url)
+                    formats.extend(self._extract_m3u8_formats(
+                        asset_url, video_id, 'mp4', 'm3u8_native',
+                        m3u8_id='hls', fatal=False))
+                    formats.extend(self._extract_f4m_formats(
+                        asset_url.replace('.m3u8', '.f4m'),
+                        video_id, f4m_id='hds', fatal=False))
+                    formats.extend(self._extract_mpd_formats(
+                        asset_url.replace('.m3u8', '.mpd'),
+                        video_id, mpd_id='dash', fatal=False))
+                    formats.extend(self._extract_ism_formats(
+                        re.sub(r'/[^/]+\.m3u8', '/Manifest', asset_url),
+                        video_id, ism_id='mss', fatal=False))
+                else:
+                    formats.extend(self._extract_m3u8_formats(
+                        asset_url, video_id, 'mp4', 'm3u8_native',
+                        m3u8_id='hls', fatal=False))
+            elif container == 'mp4' or ext == 'mp4':
+                quality = asset.get('video_quality')