+            smil_url = 'http://link.theplatform.com/s/%s?mbr=true' % path
+
+        sig = smuggled_data.get('sig')
+        if sig:
+            smil_url = self._sign_url(smil_url, sig['key'], sig['secret'])
+
+        formats, subtitles = self._extract_theplatform_smil(smil_url, video_id)
+        self._sort_formats(formats)
+
+        ret = self._extract_theplatform_metadata(path, video_id)
+        combined_subtitles = self._merge_subtitles(ret.get('subtitles', {}), subtitles)
+        ret.update({
+            'id': video_id,
+            'formats': formats,
+            'subtitles': combined_subtitles,
+        })
+
+        return ret
+
+
+class ThePlatformFeedIE(ThePlatformBaseIE):
+    _URL_TEMPLATE = '%s//feed.theplatform.com/f/%s/%s?form=json&%s'
+    _VALID_URL = r'https?://feed\.theplatform\.com/f/(?P<provider_id>[^/]+)/(?P<feed_id>[^?/]+)\?(?:[^&]+&)*(?P<filter>by(?:Gui|I)d=(?P<id>[\w-]+))'
+    _TESTS = [{
+        # From http://player.theplatform.com/p/7wvmTC/MSNBCEmbeddedOffSite?guid=n_hardball_5biden_140207
+        'url': 'http://feed.theplatform.com/f/7wvmTC/msnbc_video-p-test?form=json&pretty=true&range=-40&byGuid=n_hardball_5biden_140207',
+        'md5': '6e32495b5073ab414471b615c5ded394',
+        'info_dict': {
+            'id': 'n_hardball_5biden_140207',
+            'ext': 'mp4',
+            'title': 'The Biden factor: will Joe run in 2016?',
+            'description': 'Could Vice President Joe Biden be preparing a 2016 campaign? Mark Halperin and Sam Stein weigh in.',
+            'thumbnail': 're:^https?://.*\.jpg$',
+            'upload_date': '20140208',
+            'timestamp': 1391824260,
+            'duration': 467.0,
+            'categories': ['MSNBC/Issues/Democrats', 'MSNBC/Issues/Elections/Election 2016'],
+            'uploader': 'NBCU-NEWS',
+        },
+    }]
+
+    def _extract_feed_info(self, provider_id, feed_id, filter_query, video_id, custom_fields=None, asset_types_query={}):
+        real_url = self._URL_TEMPLATE % (self.http_scheme(), provider_id, feed_id, filter_query)
+        entry = self._download_json(real_url, video_id)['entries'][0]
+
+        formats = []
+        subtitles = {}
+        first_video_id = None
+        duration = None
+        asset_types = []
+        for item in entry['media$content']:
+            smil_url = item['plfile$url']
+            cur_video_id = ThePlatformIE._match_id(smil_url)
+            if first_video_id is None:
+                first_video_id = cur_video_id
+                duration = float_or_none(item.get('plfile$duration'))
+            for asset_type in item['plfile$assetTypes']:
+                if asset_type in asset_types:
+                    continue
+                asset_types.append(asset_type)
+                query = {
+                    'mbr': 'true',
+                    'formats': item['plfile$format'],
+                    'assetTypes': asset_type,
+                }
+                if asset_type in asset_types_query:
+                    query.update(asset_types_query[asset_type])
+                cur_formats, cur_subtitles = self._extract_theplatform_smil(update_url_query(
+                    smil_url, query), video_id, 'Downloading SMIL data for %s' % asset_type)
+                formats.extend(cur_formats)
+                subtitles = self._merge_subtitles(subtitles, cur_subtitles)
+
+        self._sort_formats(formats)
+
+        thumbnails = [{
+            'url': thumbnail['plfile$url'],
+            'width': int_or_none(thumbnail.get('plfile$width')),
+            'height': int_or_none(thumbnail.get('plfile$height')),
+        } for thumbnail in entry.get('media$thumbnails', [])]
+
+        timestamp = int_or_none(entry.get('media$availableDate'), scale=1000)
+        categories = [item['media$name'] for item in entry.get('media$categories', [])]
+
+        ret = self._extract_theplatform_metadata('%s/%s' % (provider_id, first_video_id), video_id)
+        subtitles = self._merge_subtitles(subtitles, ret['subtitles'])
+        ret.update({
+            'id': video_id,
+            'formats': formats,
+            'subtitles': subtitles,
+            'thumbnails': thumbnails,
+            'duration': duration,
+            'timestamp': timestamp,
+            'categories': categories,
+        })
+        if custom_fields:
+            ret.update(custom_fields(entry))
+
+        return ret
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+
+        video_id = mobj.group('id')
+        provider_id = mobj.group('provider_id')
+        feed_id = mobj.group('feed_id')
+        filter_query = mobj.group('filter')
+
+        return self._extract_feed_info(provider_id, feed_id, filter_query, video_id)