-
-        playlist = self._download_xml(
-            'https://tweakers.net/video/s1playlist/%s/playlist.xspf' % video_id,
-            video_id)
-
-        NS_MAP = {
-            'xspf': 'http://xspf.org/ns/0/',
-            's1': 'http://static.streamone.nl/player/ns/0',
-        }
-
-        track = playlist.find(xpath_with_ns('./xspf:trackList/xspf:track', NS_MAP))
-
-        title = xpath_text(
-            track, xpath_with_ns('./xspf:title', NS_MAP), 'title')
-        description = xpath_text(
-            track, xpath_with_ns('./xspf:annotation', NS_MAP), 'description')
-        thumbnail = xpath_text(
-            track, xpath_with_ns('./xspf:image', NS_MAP), 'thumbnail')
-        duration = float_or_none(
-            xpath_text(track, xpath_with_ns('./xspf:duration', NS_MAP), 'duration'),
-            1000)
-
-        formats = [{
-            'url': location.text,
-            'format_id': location.get(xpath_with_ns('s1:label', NS_MAP)),
-            'width': int_or_none(location.get(xpath_with_ns('s1:width', NS_MAP))),
-            'height': int_or_none(location.get(xpath_with_ns('s1:height', NS_MAP))),
-        } for location in track.findall(xpath_with_ns('./xspf:location', NS_MAP))]
+        video_data = self._download_json(
+            'https://tweakers.net/video/s1playlist/%s/1920/1080/playlist.json' % video_id,
+            video_id)['items'][0]
+
+        title = video_data['title']
+
+        formats = []
+        for location in video_data.get('locations', {}).get('progressive', []):
+            format_id = location.get('label')
+            width = int_or_none(location.get('width'))
+            height = int_or_none(location.get('height'))
+            for source in location.get('sources', []):
+                source_url = source.get('src')
+                if not source_url:
+                    continue
+                ext = mimetype2ext(source.get('type')) or determine_ext(source_url)
+                formats.append({
+                    'format_id': format_id,
+                    'url': source_url,
+                    'width': width,
+                    'height': height,
+                    'ext': ext,
+                })
+        self._sort_formats(formats)