-        self.report_extraction(mobj.group(1))
-        urlh = self._request_webpage(request, None, False,
-            'unable to download video info webpage')
-
-        try:
-            json_code_bytes = urlh.read()
-            json_code = json_code_bytes.decode('utf-8')
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            raise ExtractorError('Unable to read video info webpage: %s' % compat_str(err))
-
-        try:
-            json_data = json.loads(json_code)
-            if 'Post' in json_data:
-                data = json_data['Post']
-            else:
-                data = json_data
-
-            upload_date = datetime.datetime.strptime(data['datestamp'], '%m-%d-%y %H:%M%p').strftime('%Y%m%d')
-            formats = []
-            if 'additionalMedia' in data:
-                for f in sorted(data['additionalMedia'], key=lambda f: int(f['media_height'])):
-                    if not int(f['media_width']): # filter m3u8
-                        continue
-                    formats.append({
-                        'url': f['url'],
-                        'format_id': f['role'],
-                        'width': int(f['media_width']),
-                        'height': int(f['media_height']),
-                    })
-            else:
+
+        json_data = self._download_json(request, video_id=presumptive_id)
+
+        if 'Post' in json_data:
+            data = json_data['Post']
+        else:
+            data = json_data
+
+        video_id = compat_str(data['item_id'])
+        upload_date = datetime.datetime.strptime(data['datestamp'], '%m-%d-%y %H:%M%p').strftime('%Y%m%d')
+        subtitles = {}
+        formats = []
+        if 'additionalMedia' in data:
+            for f in data['additionalMedia']:
+                if f.get('file_type_srt') == 1:
+                    LANGS = {
+                        'english': 'en',
+                    }
+                    lang = f['role'].rpartition('-')[-1].strip().lower()
+                    langcode = LANGS.get(lang, lang)
+                    subtitles[langcode] = f['url']
+                    continue
+                if not int(f['media_width']):  # filter m3u8
+                    continue