[youtube] Fix static 82 signature (Closes #1539)

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 89e3d0f743ab8d85c46757b6df46971b52b449d5..4389924c5d3f320e611aaab54cdff341f7d6cb02 100644 (file)
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -1087,7 +1087,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
         elif len(s) == 83:
             return s[80:63:-1] + s[0] + s[62:0:-1] + s[63]
         elif len(s) == 82:
-            return s[80:73:-1] + s[81] + s[72:54:-1] + s[2] + s[53:43:-1] + s[0] + s[42:2:-1] + s[43] + s[1] + s[54]
+            return s[12] + s[79:12:-1] + s[80] + s[11::-1]
         elif len(s) == 81:
             return s[56] + s[79:56:-1] + s[41] + s[55:41:-1] + s[80] + s[40:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9]
         elif len(s) == 80: