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submodule
ffmpeg
Commits
60ab4480
Commit
60ab4480
authored
May 02, 2013
by
Michael Niedermayer
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ape_decode_value_3860: check k before using it in get_bits()
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
89372307
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apedec.c
libavcodec/apedec.c
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libavcodec/apedec.c
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60ab4480
...
...
@@ -489,9 +489,12 @@ static inline int ape_decode_value_3860(APEContext *ctx, GetBitContext *gb,
if
(
!
rice
->
k
)
x
=
overflow
;
else
else
if
(
rice
->
k
<=
MIN_CACHE_BITS
)
{
x
=
(
overflow
<<
rice
->
k
)
+
get_bits
(
gb
,
rice
->
k
);
}
else
{
av_log
(
ctx
->
avctx
,
AV_LOG_ERROR
,
"Too many bits: %d
\n
"
,
rice
->
k
);
return
AVERROR_INVALIDDATA
;
}
rice
->
ksum
+=
x
-
(
rice
->
ksum
+
8
>>
4
);
if
(
rice
->
ksum
<
(
rice
->
k
?
1
<<
(
rice
->
k
+
4
)
:
0
))
rice
->
k
--
;
...
...
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