from __future__ import unicode_literals
 
 import re
-import json
 
 from .common import InfoExtractor
 from ..utils import (
         'params': {
             'skip_download': True,  # HLS download
         },
-
     }
 
     def _real_extract(self, url):
 
         formats = []
         for js in re.findall(r'(?s)config:\s*(\{.*?\})', webpage):
-            data = json.loads(js_to_json(js))
+            data = self._parse_json(js, video_id, transform_source=js_to_json)
+            if 'provider' not in data:
+                continue
             if data['provider'] == 'rtmp':
                 formats.append({
                     'format_id': 'rtmp',
                     'url': data['streamer'],
                     'play_path': 'mp4:%s' % data['file'],
                     'preference': -1,
+                    'rtmp_real_time': True,
                 })
             else:
                 formats.extend(