+    def _find_jwplayer_data(self, webpage, video_id=None, transform_source=js_to_json):
+        mobj = re.search(
+            r'(?s)jwplayer\((?P<quote>[\'"])[^\'" ]+(?P=quote)\)(?!</script>).*?\.setup\s*\((?P<options>[^)]+)\)',
+            webpage)
+        if mobj:
+            try:
+                jwplayer_data = self._parse_json(mobj.group('options'),
+                                                 video_id=video_id,
+                                                 transform_source=transform_source)
+            except ExtractorError:
+                pass
+            else:
+                if isinstance(jwplayer_data, dict):
+                    return jwplayer_data
+
+    def _extract_jwplayer_data(self, webpage, video_id, *args, **kwargs):
+        jwplayer_data = self._find_jwplayer_data(
+            webpage, video_id, transform_source=js_to_json)
+        return self._parse_jwplayer_data(
+            jwplayer_data, video_id, *args, **kwargs)
+
+    def _parse_jwplayer_data(self, jwplayer_data, video_id=None, require_title=True,
+                             m3u8_id=None, mpd_id=None, rtmp_params=None, base_url=None):
+        # JWPlayer backward compatibility: flattened playlists
+        # https://github.com/jwplayer/jwplayer/blob/v7.4.3/src/js/api/config.js#L81-L96
+        if 'playlist' not in jwplayer_data:
+            jwplayer_data = {'playlist': [jwplayer_data]}
+
+        entries = []
+
+        # JWPlayer backward compatibility: single playlist item
+        # https://github.com/jwplayer/jwplayer/blob/v7.7.0/src/js/playlist/playlist.js#L10
+        if not isinstance(jwplayer_data['playlist'], list):
+            jwplayer_data['playlist'] = [jwplayer_data['playlist']]
+
+        for video_data in jwplayer_data['playlist']:
+            # JWPlayer backward compatibility: flattened sources
+            # https://github.com/jwplayer/jwplayer/blob/v7.4.3/src/js/playlist/item.js#L29-L35
+            if 'sources' not in video_data:
+                video_data['sources'] = [video_data]
+
+            this_video_id = video_id or video_data['mediaid']
+
+            formats = self._parse_jwplayer_formats(
+                video_data['sources'], video_id=this_video_id, m3u8_id=m3u8_id,
+                mpd_id=mpd_id, rtmp_params=rtmp_params, base_url=base_url)
+
+            subtitles = {}
+            tracks = video_data.get('tracks')
+            if tracks and isinstance(tracks, list):
+                for track in tracks:
+                    if not isinstance(track, dict):
+                        continue
+                    if track.get('kind') != 'captions':
+                        continue
+                    track_url = urljoin(base_url, track.get('file'))
+                    if not track_url:
+                        continue
+                    subtitles.setdefault(track.get('label') or 'en', []).append({
+                        'url': self._proto_relative_url(track_url)
+                    })
+
+            entry = {
+                'id': this_video_id,
+                'title': unescapeHTML(video_data['title'] if require_title else video_data.get('title')),
+                'description': video_data.get('description'),
+                'thumbnail': self._proto_relative_url(video_data.get('image')),
+                'timestamp': int_or_none(video_data.get('pubdate')),
+                'duration': float_or_none(jwplayer_data.get('duration') or video_data.get('duration')),
+                'subtitles': subtitles,
+            }
+            # https://github.com/jwplayer/jwplayer/blob/master/src/js/utils/validator.js#L32
+            if len(formats) == 1 and re.search(r'^(?:http|//).*(?:youtube\.com|youtu\.be)/.+', formats[0]['url']):
+                entry.update({
+                    '_type': 'url_transparent',
+                    'url': formats[0]['url'],
+                })
+            else:
+                self._sort_formats(formats)
+                entry['formats'] = formats
+            entries.append(entry)
+        if len(entries) == 1:
+            return entries[0]
+        else:
+            return self.playlist_result(entries)
+
+    def _parse_jwplayer_formats(self, jwplayer_sources_data, video_id=None,
+                                m3u8_id=None, mpd_id=None, rtmp_params=None, base_url=None):
+        urls = []
+        formats = []
+        for source in jwplayer_sources_data:
+            if not isinstance(source, dict):
+                continue
+            source_url = self._proto_relative_url(source.get('file'))
+            if not source_url:
+                continue
+            if base_url:
+                source_url = compat_urlparse.urljoin(base_url, source_url)
+            if source_url in urls:
+                continue
+            urls.append(source_url)
+            source_type = source.get('type') or ''
+            ext = mimetype2ext(source_type) or determine_ext(source_url)
+            if source_type == 'hls' or ext == 'm3u8':
+                formats.extend(self._extract_m3u8_formats(
+                    source_url, video_id, 'mp4', entry_protocol='m3u8_native',
+                    m3u8_id=m3u8_id, fatal=False))
+            elif source_type == 'dash' or ext == 'mpd':
+                formats.extend(self._extract_mpd_formats(
+                    source_url, video_id, mpd_id=mpd_id, fatal=False))
+            elif ext == 'smil':
+                formats.extend(self._extract_smil_formats(
+                    source_url, video_id, fatal=False))
+            # https://github.com/jwplayer/jwplayer/blob/master/src/js/providers/default.js#L67
+            elif source_type.startswith('audio') or ext in (
+                    'oga', 'aac', 'mp3', 'mpeg', 'vorbis'):
+                formats.append({
+                    'url': source_url,
+                    'vcodec': 'none',
+                    'ext': ext,
+                })
+            else:
+                height = int_or_none(source.get('height'))
+                if height is None:
+                    # Often no height is provided but there is a label in
+                    # format like "1080p", "720p SD", or 1080.
+                    height = int_or_none(self._search_regex(
+                        r'^(\d{3,4})[pP]?(?:\b|$)', compat_str(source.get('label') or ''),
+                        'height', default=None))
+                a_format = {
+                    'url': source_url,
+                    'width': int_or_none(source.get('width')),
+                    'height': height,
+                    'tbr': int_or_none(source.get('bitrate')),
+                    'ext': ext,
+                }
+                if source_url.startswith('rtmp'):
+                    a_format['ext'] = 'flv'
+                    # See com/longtailvideo/jwplayer/media/RTMPMediaProvider.as
+                    # of jwplayer.flash.swf
+                    rtmp_url_parts = re.split(
+                        r'((?:mp4|mp3|flv):)', source_url, 1)
+                    if len(rtmp_url_parts) == 3:
+                        rtmp_url, prefix, play_path = rtmp_url_parts
+                        a_format.update({
+                            'url': rtmp_url,
+                            'play_path': prefix + play_path,
+                        })
+                    if rtmp_params:
+                        a_format.update(rtmp_params)
+                formats.append(a_format)
+        return formats
+