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Linshizhi
ffmpeg.wasm-core
Commits
d3b0fb10
Commit
d3b0fb10
authored
Apr 07, 2012
by
Michael Niedermayer
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put_bits: add av_assert2() to check out of array writes.
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
e80ce4ad
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put_bits.h
libavcodec/put_bits.h
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libavcodec/put_bits.h
View file @
d3b0fb10
...
...
@@ -142,6 +142,7 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
#ifdef BITSTREAM_WRITER_LE
bit_buf
|=
value
<<
(
32
-
bit_left
);
if
(
n
>=
bit_left
)
{
av_assert2
(
s
->
buf_ptr
+
3
<
s
->
buf_end
);
AV_WL32
(
s
->
buf_ptr
,
bit_buf
);
s
->
buf_ptr
+=
4
;
bit_buf
=
(
bit_left
==
32
)
?
0
:
value
>>
bit_left
;
...
...
@@ -155,6 +156,7 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
}
else
{
bit_buf
<<=
bit_left
;
bit_buf
|=
value
>>
(
n
-
bit_left
);
av_assert2
(
s
->
buf_ptr
+
3
<
s
->
buf_end
);
AV_WB32
(
s
->
buf_ptr
,
bit_buf
);
//printf("bitbuf = %08x\n", bit_buf);
s
->
buf_ptr
+=
4
;
...
...
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