+
+class ZDFBaseIE(InfoExtractor):
+    def _call_api(self, url, player, referrer, video_id, item):
+        return self._download_json(
+            url, video_id, 'Downloading JSON %s' % item,
+            headers={
+                'Referer': referrer,
+                'Api-Auth': 'Bearer %s' % player['apiToken'],
+            })
+
+    def _extract_player(self, webpage, video_id, fatal=True):
+        return self._parse_json(
+            self._search_regex(
+                r'(?s)data-zdfplayer-jsb=(["\'])(?P<json>{.+?})\1', webpage,
+                'player JSON', default='{}' if not fatal else NO_DEFAULT,
+                group='json'),
+            video_id)
+
+
+class ZDFIE(ZDFBaseIE):
+    _VALID_URL = r'https?://www\.zdf\.de/(?:[^/]+/)*(?P<id>[^/?]+)\.html'
+    _QUALITIES = ('auto', 'low', 'med', 'high', 'veryhigh')
+
+    _TESTS = [{
+        'url': 'https://www.zdf.de/dokumentation/terra-x/die-magie-der-farben-von-koenigspurpur-und-jeansblau-100.html',
+        'info_dict': {
+            'id': 'die-magie-der-farben-von-koenigspurpur-und-jeansblau-100',
+            'ext': 'mp4',
+            'title': 'Die Magie der Farben (2/2)',
+            'description': 'md5:a89da10c928c6235401066b60a6d5c1a',
+            'duration': 2615,
+            'timestamp': 1465021200,
+            'upload_date': '20160604',
+        },
+    }, {
+        'url': 'https://www.zdf.de/service-und-hilfe/die-neue-zdf-mediathek/zdfmediathek-trailer-100.html',
+        'only_matching': True,
+    }, {
+        'url': 'https://www.zdf.de/filme/taunuskrimi/die-lebenden-und-die-toten-1---ein-taunuskrimi-100.html',
+        'only_matching': True,
+    }, {
+        'url': 'https://www.zdf.de/dokumentation/planet-e/planet-e-uebersichtsseite-weitere-dokumentationen-von-planet-e-100.html',
+        'only_matching': True,
+    }]
+
+    @staticmethod
+    def _extract_subtitles(src):
+        subtitles = {}
+        for caption in try_get(src, lambda x: x['captions'], list) or []:
+            subtitle_url = caption.get('uri')
+            if subtitle_url and isinstance(subtitle_url, compat_str):
+                lang = caption.get('language', 'deu')
+                subtitles.setdefault(lang, []).append({
+                    'url': subtitle_url,
+                })
+        return subtitles
+
+    def _extract_format(self, video_id, formats, format_urls, meta):
+        format_url = meta.get('url')
+        if not format_url or not isinstance(format_url, compat_str):
+            return
+        if format_url in format_urls:
+            return
+        format_urls.add(format_url)
+        mime_type = meta.get('mimeType')
+        ext = determine_ext(format_url)
+        if mime_type == 'application/x-mpegURL' or ext == 'm3u8':
+            formats.extend(self._extract_m3u8_formats(
+                format_url, video_id, 'mp4', m3u8_id='hls',
+                entry_protocol='m3u8_native', fatal=False))
+        elif mime_type == 'application/f4m+xml' or ext == 'f4m':
+            formats.extend(self._extract_f4m_formats(
+                update_url_query(format_url, {'hdcore': '3.7.0'}), video_id, f4m_id='hds', fatal=False))
+        else:
+            f = parse_codecs(meta.get('mimeCodec'))
+            format_id = ['http']
+            for p in (meta.get('type'), meta.get('quality')):
+                if p and isinstance(p, compat_str):
+                    format_id.append(p)
+            f.update({
+                'url': format_url,
+                'format_id': '-'.join(format_id),
+                'format_note': meta.get('quality'),
+                'language': meta.get('language'),
+                'quality': qualities(self._QUALITIES)(meta.get('quality')),
+                'preference': -10,
+            })
+            formats.append(f)
+
+    def _extract_entry(self, url, player, content, video_id):
+        title = content.get('title') or content['teaserHeadline']
+
+        t = content['mainVideoContent']['http://zdf.de/rels/target']
+
+        ptmd_path = t.get('http://zdf.de/rels/streams/ptmd')
+
+        if not ptmd_path:
+            ptmd_path = t[
+                'http://zdf.de/rels/streams/ptmd-template'].replace(
+                '{playerId}', 'portal')
+
+        ptmd = self._call_api(
+            urljoin(url, ptmd_path), player, url, video_id, 'metadata')
+
+        formats = []
+        track_uris = set()
+        for p in ptmd['priorityList']:
+            formitaeten = p.get('formitaeten')
+            if not isinstance(formitaeten, list):
+                continue
+            for f in formitaeten:
+                f_qualities = f.get('qualities')
+                if not isinstance(f_qualities, list):
+                    continue
+                for quality in f_qualities:
+                    tracks = try_get(quality, lambda x: x['audio']['tracks'], list)
+                    if not tracks:
+                        continue
+                    for track in tracks:
+                        self._extract_format(
+                            video_id, formats, track_uris, {
+                                'url': track.get('uri'),
+                                'type': f.get('type'),
+                                'mimeType': f.get('mimeType'),
+                                'quality': quality.get('quality'),
+                                'language': track.get('language'),
+                            })
+        self._sort_formats(formats)
+
+        thumbnails = []
+        layouts = try_get(
+            content, lambda x: x['teaserImageRef']['layouts'], dict)
+        if layouts:
+            for layout_key, layout_url in layouts.items():
+                if not isinstance(layout_url, compat_str):
+                    continue
+                thumbnail = {
+                    'url': layout_url,
+                    'format_id': layout_key,
+                }
+                mobj = re.search(r'(?P<width>\d+)x(?P<height>\d+)', layout_key)
+                if mobj:
+                    thumbnail.update({
+                        'width': int(mobj.group('width')),
+                        'height': int(mobj.group('height')),
+                    })
+                thumbnails.append(thumbnail)
+
+        return {
+            'id': video_id,
+            'title': title,
+            'description': content.get('leadParagraph') or content.get('teasertext'),
+            'duration': int_or_none(t.get('duration')),
+            'timestamp': unified_timestamp(content.get('editorialDate')),
+            'thumbnails': thumbnails,
+            'subtitles': self._extract_subtitles(ptmd),
+            'formats': formats,
+        }
+
+    def _extract_regular(self, url, player, video_id):
+        content = self._call_api(
+            player['content'], player, url, video_id, 'content')
+        return self._extract_entry(player['content'], player, content, video_id)
+
+    def _extract_mobile(self, video_id):
+        document = self._download_json(
+            'https://zdf-cdn.live.cellular.de/mediathekV2/document/%s' % video_id,
+            video_id)['document']
+
+        title = document['titel']
+
+        formats = []
+        format_urls = set()
+        for f in document['formitaeten']:
+            self._extract_format(video_id, formats, format_urls, f)
+        self._sort_formats(formats)
+
+        thumbnails = []
+        teaser_bild = document.get('teaserBild')
+        if isinstance(teaser_bild, dict):
+            for thumbnail_key, thumbnail in teaser_bild.items():
+                thumbnail_url = try_get(
+                    thumbnail, lambda x: x['url'], compat_str)
+                if thumbnail_url:
+                    thumbnails.append({
+                        'url': thumbnail_url,
+                        'id': thumbnail_key,
+                        'width': int_or_none(thumbnail.get('width')),
+                        'height': int_or_none(thumbnail.get('height')),
+                    })
+
+        return {
+            'id': video_id,
+            'title': title,
+            'description': document.get('beschreibung'),
+            'duration': int_or_none(document.get('length')),
+            'timestamp': unified_timestamp(try_get(
+                document, lambda x: x['meta']['editorialDate'], compat_str)),
+            'thumbnails': thumbnails,
+            'subtitles': self._extract_subtitles(document),
+            'formats': formats,
+        }
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        webpage = self._download_webpage(url, video_id, fatal=False)
+        if webpage:
+            player = self._extract_player(webpage, url, fatal=False)
+            if player:
+                return self._extract_regular(url, player, video_id)
+
+        return self._extract_mobile(video_id)
+
+
+class ZDFChannelIE(ZDFBaseIE):
+    _VALID_URL = r'https?://www\.zdf\.de/(?:[^/]+/)*(?P<id>[^/?#&]+)'
+    _TESTS = [{
+        'url': 'https://www.zdf.de/sport/das-aktuelle-sportstudio',
+        'info_dict': {
+            'id': 'das-aktuelle-sportstudio',
+            'title': 'das aktuelle sportstudio | ZDF',
+        },
+        'playlist_count': 21,
+    }, {
+        'url': 'https://www.zdf.de/dokumentation/planet-e',
+        'info_dict': {
+            'id': 'planet-e',
+            'title': 'planet e.',
+        },
+        'playlist_count': 4,
+    }, {
+        'url': 'https://www.zdf.de/filme/taunuskrimi/',
+        'only_matching': True,
+    }]
+
+    @classmethod
+    def suitable(cls, url):
+        return False if ZDFIE.suitable(url) else super(ZDFChannelIE, cls).suitable(url)