[youtube] update algo for length 84

[youtube-dl] / youtube_dl / extractor / youtube.py

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 4038af25608514bee5e476b393f3a0d5c74f78d6..9e2373bd5473c8a23d5177ee6d4450a9fe86bcdb 100644 (file)
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -423,11 +423,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         elif len(s) == 87:
             return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:]
         elif len(s) == 86:
-            return s[5:40] + s[3] + s[41:48] + s[0] + s[49:86]
+            return s[83:36:-1] + s[0] + s[35:2:-1]
         elif len(s) == 85:
             return s[83:34:-1] + s[0] + s[33:27:-1] + s[3] + s[26:19:-1] + s[34] + s[18:3:-1] + s[27]
         elif len(s) == 84:
-            return s[5:40] + s[3] + s[41:48] + s[0] + s[49:84]
+            return s[81:36:-1] + s[0] + s[35:2:-1]
         elif len(s) == 83:
             return s[81:64:-1] + s[82] + s[63:52:-1] + s[45] + s[51:45:-1] + s[1] + s[44:1:-1] + s[0]
         elif len(s) == 82: