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authorUoti Urpala <uau@glyph.nonexistent.invalid>2010-03-11 23:42:20 +0200
committerUoti Urpala <uau@glyph.nonexistent.invalid>2010-03-11 23:42:20 +0200
commitcbc6eabb9fae8e61c6c6f70365ec9134b481e7aa (patch)
tree56b6a8a118a3b217851eceb9d48fe375bb5b511d
parentf4a1d6e36eb2e9a92894ea42276f9e1087c4bd57 (diff)
downloadmpv-cbc6eabb9fae8e61c6c6f70365ec9134b481e7aa.tar.bz2
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TOOLS/matroska.py: support 8-byte floats in parsing mode
Support parsing and printing the value of 8-byte floats when using the script to parse and display contents of Matroska files.
-rwxr-xr-xTOOLS/matroska.py9
1 files changed, 7 insertions, 2 deletions
diff --git a/TOOLS/matroska.py b/TOOLS/matroska.py
index 8368f35185..77268c8183 100755
--- a/TOOLS/matroska.py
+++ b/TOOLS/matroska.py
@@ -332,8 +332,13 @@ def read_float(s, length):
f = ldexp((i & 0x7fffff) + (1 << 23), (i >> 23 & 0xff) - 150)
if i & (1 << 31):
f = -f
- return f
- raise SyntaxError
+ elif length == 8:
+ f = ldexp((i & ((1 << 52) - 1)) + (1 << 52), (i >> 52 & 0x7ff) - 1075)
+ if i & (1 << 63):
+ f = -f
+ else:
+ raise SyntaxError
+ return f
def parse_one(s, depth, parent, maxlen):
elid = read_id(s).encode('hex')