[youku] Fix extraction; update ccode (closes #14815)

ChangeLog

@@ -1,3 +1,9 @@
+version <unreleased>
+
+Extractors
+* [youku] Fix extraction; update ccode (#14815)
+
+
 version 2017.11.15
 
 Core

youtube_dl/extractor/youku.py

@@ -154,7 +154,7 @@ class YoukuIE(InfoExtractor):
         # request basic data
         basic_data_params = {
             'vid': video_id,
-            'ccode': '0402' if 'tudou.com' in url else '0401',
+            'ccode': '0502',
             'client_ip': '192.168.1.1',
             'utid': cna,
             'client_ts': time.time() / 1000,