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Linshizhi
ffmpeg.wasm-core
Commits
8a08503b
Commit
8a08503b
authored
Feb 22, 2012
by
Michael Niedermayer
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pngdec: Print error if signature is wrong.
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
184fc600
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3 additions
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1 deletion
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-1
pngdec.c
libavcodec/pngdec.c
+3
-1
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libavcodec/pngdec.c
View file @
8a08503b
...
@@ -407,8 +407,10 @@ static int decode_frame(AVCodecContext *avctx,
...
@@ -407,8 +407,10 @@ static int decode_frame(AVCodecContext *avctx,
/* check signature */
/* check signature */
if
(
memcmp
(
s
->
bytestream
,
ff_pngsig
,
8
)
!=
0
&&
if
(
memcmp
(
s
->
bytestream
,
ff_pngsig
,
8
)
!=
0
&&
memcmp
(
s
->
bytestream
,
ff_mngsig
,
8
)
!=
0
)
memcmp
(
s
->
bytestream
,
ff_mngsig
,
8
)
!=
0
)
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"Missing png signature
\n
"
);
return
-
1
;
return
-
1
;
}
s
->
bytestream
+=
8
;
s
->
bytestream
+=
8
;
s
->
y
=
s
->
y
=
s
->
state
=
0
;
s
->
state
=
0
;
...
...
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