projects
/
youtube-dl
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
|
inline
| side by side (parent:
b78b292
)
[letv] Speedup M3U8 decryption
author
Yen Chi Hsuan
<yan12125@gmail.com>
Fri, 26 Feb 2016 16:57:35 +0000
(
00:57
+0800)
committer
Yen Chi Hsuan
<yan12125@gmail.com>
Fri, 26 Feb 2016 16:58:03 +0000
(
00:58
+0800)
youtube_dl/extractor/letv.py
patch
|
blob
|
history
diff --git
a/youtube_dl/extractor/letv.py
b/youtube_dl/extractor/letv.py
index 9665ece89c9bc4cd64707ca3f7516749e4a33e91..9fd494c29da68f77fe91298327a16fc733155c61 100644
(file)
--- a/
youtube_dl/extractor/letv.py
+++ b/
youtube_dl/extractor/letv.py
@@
-94,17
+94,16
@@
class LetvIE(InfoExtractor):
return encrypted_data
encrypted_data = encrypted_data[5:]
return encrypted_data
encrypted_data = encrypted_data[5:]
- _loc4_ = bytearray()
-
while encrypted_data
:
- b = compat_ord(
encrypted_data[0]
)
- _loc4_
.extend([b // 16, b & 0x0f])
- encrypted_data = encrypted_data[1:]
+ _loc4_ = bytearray(
2 * len(encrypted_data)
)
+
for idx, val in enumerate(encrypted_data)
:
+ b = compat_ord(
val
)
+ _loc4_
[2 * idx] = b // 16
+ _loc4_[2 * idx + 1] = b % 16
idx = len(_loc4_) - 11
_loc4_ = _loc4_[idx:] + _loc4_[:idx]
idx = len(_loc4_) - 11
_loc4_ = _loc4_[idx:] + _loc4_[:idx]
- _loc7_ = bytearray()
- while _loc4_:
- _loc7_.append(_loc4_[0] * 16 + _loc4_[1])
- _loc4_ = _loc4_[2:]
+ _loc7_ = bytearray(len(encrypted_data))
+ for i in range(len(encrypted_data)):
+ _loc7_[i] = _loc4_[2 * i] * 16 + _loc4_[2 * i + 1]
return bytes(_loc7_)
return bytes(_loc7_)