Merge de10e0d2a7eaa6eb9c2d8bcf9a698266e292e908 into 3eb8d22ddb8982ca4fb56bb7a8d6517538bf14c6

youtube_dl/extractor/brightcove.py

@@ -571,12 +571,28 @@ class BrightcoveNewIE(AdobePassIE):
         duration = float_or_none(json_data.get('duration'), 1000)
         if duration is not None and duration <= 0:
             is_live = True
+        common_res = ["160x90", "320x180", "480x270", "640x360", "768x432", "1024x576", "1280x720", "1366x768", "1920x1080"]
+        thumbnails = []
+        if '640x360' in json_data.get('poster'):
+            base_url = json_data.get('poster')
+            replace = '640x360'
+        else:
+            base_url = json_data.get('thumbnail')
+            replace = '160x90'
+        for res in common_res:
+            thumbnails.append({
+                'url': base_url.replace(replace, res),
+                'width': int(res.split('x')[0]),
+                'height': int(res.split('x')[1]),
+                'preference': len(thumbnails)
+            })
 
         return {
             'id': video_id,
             'title': self._live_title(title) if is_live else title,
             'description': clean_html(json_data.get('description')),
             'thumbnail': json_data.get('thumbnail') or json_data.get('poster'),
+            'thumbnails': thumbnails,
             'duration': duration,
             'timestamp': parse_iso8601(json_data.get('published_at')),
             'uploader_id': json_data.get('account_id'),

youtube_dl/jsinterp.py

@@ -686,6 +686,8 @@ class JSInterpreter(object):
             raise self.Exception('Cannot get index {idx!r:.100}'.format(**locals()), expr=repr(obj), cause=e)
 
     def _dump(self, obj, namespace):
+        if obj is JS_Undefined:
+            return 'undefined'
         try:
             return json.dumps(obj)
         except TypeError: