+    def _parse_media_info(self, media_info, video_id):
+        formats = []
+        for media_variant in media_info.get('variants', []):
+            media_url = media_variant['url']
+            if media_url.endswith('.m3u8'):
+                formats.extend(self._extract_m3u8_formats(media_url, video_id, ext='mp4', m3u8_id='hls'))
+            elif media_url.endswith('.mpd'):
+                formats.extend(self._extract_mpd_formats(media_url, video_id, mpd_id='dash'))
+            else:
+                tbr = int_or_none(dict_get(media_variant, ('bitRate', 'bitrate')), scale=1000)
+                a_format = {
+                    'url': media_url,
+                    'format_id': 'http-%d' % tbr if tbr else 'http',
+                    'tbr': tbr,
+                }
+                # Reported bitRate may be zero
+                if not a_format['tbr']:
+                    del a_format['tbr']
+
+                self._search_dimensions_in_video_url(a_format, media_url)
+
+                formats.append(a_format)
+        return formats
+
+    def _extract_mobile_formats(self, username, video_id):
+        webpage = self._download_webpage(
+            'https://mobile.twitter.com/%s/status/%s' % (username, video_id),
+            video_id, 'Downloading mobile webpage',
+            headers={
+                # A recent mobile UA is necessary for `gt` cookie
+                'User-Agent': 'Mozilla/5.0 (Android 6.0.1; Mobile; rv:54.0) Gecko/54.0 Firefox/54.0',
+            })
+        main_script_url = self._html_search_regex(
+            r'<script[^>]+src="([^"]+main\.[^"]+)"', webpage, 'main script URL')
+        main_script = self._download_webpage(
+            main_script_url, video_id, 'Downloading main script')
+        bearer_token = self._search_regex(
+            r'BEARER_TOKEN\s*:\s*"([^"]+)"',
+            main_script, 'bearer token')
+        # https://developer.twitter.com/en/docs/tweets/post-and-engage/api-reference/get-statuses-show-id
+        api_data = self._download_json(
+            'https://api.twitter.com/1.1/statuses/show/%s.json' % video_id,
+            video_id, 'Downloading API data',
+            headers={
+                'Authorization': 'Bearer ' + bearer_token,
+            })
+        media_info = try_get(api_data, lambda o: o['extended_entities']['media'][0]['video_info']) or {}
+        return self._parse_media_info(media_info, video_id)
+