[nbc] Fix ThePlatform embedded videos

youtube_dl/extractor/nbc.py

@@ -26,8 +26,7 @@ class NBCIE(InfoExtractor):
     }
 
     def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('id')
+        video_id = self._match_id(url)
         webpage = self._download_webpage(url, video_id)
         theplatform_url = self._search_regex('class="video-player video-player-full" data-mpx-url="(.*?)"', webpage, 'theplatform url')
         if theplatform_url.startswith('//'):
@@ -57,7 +56,7 @@ class NBCNewsIE(InfoExtractor):
             'md5': 'b2421750c9f260783721d898f4c42063',
             'info_dict': {
                 'id': 'I1wpAI_zmhsQ',
-                'ext': 'flv',
+                'ext': 'mp4',
                 'title': 'How Twitter Reacted To The Snowden Interview',
                 'description': 'md5:65a0bd5d76fe114f3c2727aa3a81fe64',
             },
@@ -97,6 +96,8 @@ class NBCNewsIE(InfoExtractor):
             ]
 
             for base_url in base_urls:
+                if not base_url:
+                    continue
                 playlist_url = base_url + '?form=MPXNBCNewsAPI'
                 all_videos = self._download_json(playlist_url, title)['videos']
 

youtube_dl/extractor/theplatform.py

@@ -6,6 +6,7 @@ import json
 from .common import InfoExtractor
 from ..utils import (
     compat_str,
+    determine_ext,
     ExtractorError,
     xpath_with_ns,
 )
@@ -34,10 +35,21 @@ class ThePlatformIE(InfoExtractor):
             'skip_download': True,
         },
     }
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        video_id = mobj.group('id')
+        if mobj.group('config'):
+            config_url = url+ '&form=json'
+            config_url = config_url.replace('swf/', 'config/')
+            config_url = config_url.replace('onsite/', 'onsite/config/')
+            config = self._download_json(config_url, video_id, 'Downloading config')
+            smil_url = config['releaseUrl'] + '&format=SMIL&formats=MPEG4&manifest=f4m'
+        else:
+            smil_url = ('http://link.theplatform.com/s/dJ5BDC/{0}/meta.smil?'
+                'format=smil&mbr=true'.format(video_id))
 
-    def _get_info(self, video_id, smil_url):
-        meta = self._download_xml(smil_url, video_id)
 
+        meta = self._download_xml(smil_url, video_id)
         try:
             error_msg = next(
                 n.attrib['abstract']
@@ -89,10 +101,14 @@ class ThePlatformIE(InfoExtractor):
                 for f in switch.findall(_x('smil:video')):
                     attr = f.attrib
                     vbr = int(attr['system-bitrate']) // 1000
+                    ext = determine_ext(attr['src'])
+                    if ext == 'once':
+                        ext = 'mp4'
                     formats.append({
                         'format_id': compat_str(vbr),
                         'url': attr['src'],
                         'vbr': vbr,
+                        'ext': ext,
                     })
             self._sort_formats(formats)
 
@@ -104,17 +120,3 @@ class ThePlatformIE(InfoExtractor):
             'thumbnail': info['defaultThumbnailUrl'],
             'duration': info['duration']//1000,
         }
-        
-    def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('id')
-        if mobj.group('config'):
-            config_url = url+ '&form=json'
-            config_url = config_url.replace('swf/', 'config/')
-            config_url = config_url.replace('onsite/', 'onsite/config/')
-            config = self._download_json(config_url, video_id, 'Downloading config')
-            smil_url = config['releaseUrl'] + '&format=SMIL&formats=MPEG4&manifest=f4m'
-        else:
-            smil_url = ('http://link.theplatform.com/s/dJ5BDC/{0}/meta.smil?'
-                'format=smil&mbr=true'.format(video_id))
-        return self._get_info(video_id, smil_url)