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ac3dec: simplify exponent bounds checking
author
Justin Ruggles
<justin.ruggles@gmail.com>
Sat, 6 Dec 2008 16:33:16 +0000
(16:33 +0000)
committer
Justin Ruggles
<justin.ruggles@gmail.com>
Sat, 6 Dec 2008 16:33:16 +0000
(16:33 +0000)
Originally committed as revision 16022 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/ac3dec.c
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diff --git
a/libavcodec/ac3dec.c
b/libavcodec/ac3dec.c
index
b8f5796
..
291d8f3
100644
(file)
--- a/
libavcodec/ac3dec.c
+++ b/
libavcodec/ac3dec.c
@@
-392,7
+392,7
@@
static int decode_exponents(GetBitContext *gbc, int exp_strategy, int ngrps,
prevexp = absexp;
for(i=0,j=0; i<ngrps*3; i++) {
prevexp += dexp[i] - 2;
- if (prevexp
< 0 || prevexp > 24
)
+ if (prevexp
> 24U
)
return -1;
switch (group_size) {
case 4: dexps[j++] = prevexp;