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Linshizhi
ffmpeg.wasm-core
Commits
91f4a44f
Commit
91f4a44f
authored
May 12, 2013
by
Michael Niedermayer
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sws/packed_16bpc_bswap: fix handling of negative stride
parent
63725d15
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3 deletions
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swscale_unscaled.c
libswscale/swscale_unscaled.c
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libswscale/swscale_unscaled.c
View file @
91f4a44f
...
@@ -324,11 +324,11 @@ static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[],
...
@@ -324,11 +324,11 @@ static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[],
int
i
,
j
,
p
;
int
i
,
j
,
p
;
for
(
p
=
0
;
p
<
4
;
p
++
)
{
for
(
p
=
0
;
p
<
4
;
p
++
)
{
int
srcstr
=
srcStride
[
p
]
>>
1
;
int
srcstr
=
srcStride
[
p
]
/
2
;
int
dststr
=
dstStride
[
p
]
>>
1
;
int
dststr
=
dstStride
[
p
]
/
2
;
uint16_t
*
dstPtr
=
(
uint16_t
*
)
dst
[
p
];
uint16_t
*
dstPtr
=
(
uint16_t
*
)
dst
[
p
];
const
uint16_t
*
srcPtr
=
(
const
uint16_t
*
)
src
[
p
];
const
uint16_t
*
srcPtr
=
(
const
uint16_t
*
)
src
[
p
];
int
min_stride
=
FFMIN
(
srcstr
,
dststr
);
int
min_stride
=
FFMIN
(
FFABS
(
srcstr
),
FFABS
(
dststr
)
);
if
(
!
dstPtr
||
!
srcPtr
)
if
(
!
dstPtr
||
!
srcPtr
)
continue
;
continue
;
for
(
i
=
0
;
i
<
(
srcSliceH
>>
c
->
chrDstVSubSample
);
i
++
)
{
for
(
i
=
0
;
i
<
(
srcSliceH
>>
c
->
chrDstVSubSample
);
i
++
)
{
...
...
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