+
+class ARDBetaMediathekIE(ARDMediathekBaseIE):
+    _VALID_URL = r'https://(?:beta|www)\.ardmediathek\.de/(?P<client>[^/]+)/(?:player|live)/(?P<video_id>[a-zA-Z0-9]+)(?:/(?P<display_id>[^/?#]+))?'
+    _TESTS = [{
+        'url': 'https://beta.ardmediathek.de/ard/player/Y3JpZDovL2Rhc2Vyc3RlLmRlL3RhdG9ydC9mYmM4NGM1NC0xNzU4LTRmZGYtYWFhZS0wYzcyZTIxNGEyMDE/die-robuste-roswita',
+        'md5': 'dfdc87d2e7e09d073d5a80770a9ce88f',
+        'info_dict': {
+            'display_id': 'die-robuste-roswita',
+            'id': '70153354',
+            'title': 'Die robuste Roswita',
+            'description': r're:^Der Mord.*trüber ist als die Ilm.',
+            'duration': 5316,
+            'thumbnail': 'https://img.ardmediathek.de/standard/00/70/15/33/90/-1852531467/16x9/960?mandant=ard',
+            'timestamp': 1577047500,
+            'upload_date': '20191222',
+            'ext': 'mp4',
+        },
+    }, {
+        'url': 'https://www.ardmediathek.de/ard/player/Y3JpZDovL3N3ci5kZS9hZXgvbzEwNzE5MTU/',
+        'only_matching': True,
+    }, {
+        'url': 'https://www.ardmediathek.de/swr/live/Y3JpZDovL3N3ci5kZS8xMzQ4MTA0Mg',
+        'only_matching': True,
+    }]
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        video_id = mobj.group('video_id')
+        display_id = mobj.group('display_id') or video_id
+
+        player_page = self._download_json(
+            'https://api.ardmediathek.de/public-gateway',
+            display_id, data=json.dumps({
+                'query': '''{
+  playerPage(client:"%s", clipId: "%s") {
+    blockedByFsk
+    broadcastedOn
+    maturityContentRating
+    mediaCollection {
+      _duration
+      _geoblocked
+      _isLive
+      _mediaArray {
+        _mediaStreamArray {
+          _quality
+          _server
+          _stream
+        }
+      }
+      _previewImage
+      _subtitleUrl
+      _type
+    }
+    show {
+      title
+    }
+    synopsis
+    title
+    tracking {
+      atiCustomVars {
+        contentId
+      }
+    }
+  }
+}''' % (mobj.group('client'), video_id),
+            }).encode(), headers={
+                'Content-Type': 'application/json'
+            })['data']['playerPage']
+        title = player_page['title']
+        content_id = str_or_none(try_get(
+            player_page, lambda x: x['tracking']['atiCustomVars']['contentId']))
+        media_collection = player_page.get('mediaCollection') or {}
+        if not media_collection and content_id:
+            media_collection = self._download_json(
+                'https://www.ardmediathek.de/play/media/' + content_id,
+                content_id, fatal=False) or {}
+        info = self._parse_media_info(
+            media_collection, content_id or video_id,
+            player_page.get('blockedByFsk'))
+        age_limit = None
+        description = player_page.get('synopsis')
+        maturity_content_rating = player_page.get('maturityContentRating')
+        if maturity_content_rating:
+            age_limit = int_or_none(maturity_content_rating.lstrip('FSK'))
+        if not age_limit and description:
+            age_limit = int_or_none(self._search_regex(
+                r'\(FSK\s*(\d+)\)\s*$', description, 'age limit', default=None))
+        info.update({
+            'age_limit': age_limit,
+            'display_id': display_id,
+            'title': title,
+            'description': description,
+            'timestamp': unified_timestamp(player_page.get('broadcastedOn')),
+            'series': try_get(player_page, lambda x: x['show']['title']),
+        })
+        return info