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Linshizhi
ffmpeg.wasm-core
Commits
50cbe09d
Commit
50cbe09d
authored
Nov 30, 2012
by
Michael Niedermayer
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smacker: check smacker_decode_tree() return value
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
d56b1501
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1 changed file
with
9 additions
and
3 deletions
+9
-3
smacker.c
libavcodec/smacker.c
+9
-3
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libavcodec/smacker.c
View file @
50cbe09d
...
...
@@ -205,7 +205,9 @@ static int smacker_decode_header_tree(SmackVContext *smk, GetBitContext *gb, int
tmp2
.
values
=
av_mallocz
(
256
*
sizeof
(
int
));
if
(
get_bits1
(
gb
))
{
smacker_decode_tree
(
gb
,
&
tmp1
,
0
,
0
);
res
=
smacker_decode_tree
(
gb
,
&
tmp1
,
0
,
0
);
if
(
res
<
0
)
return
res
;
skip_bits1
(
gb
);
if
(
tmp1
.
current
>
1
)
{
res
=
init_vlc
(
&
vlc
[
0
],
SMKTREE_BITS
,
tmp1
.
length
,
...
...
@@ -221,7 +223,9 @@ static int smacker_decode_header_tree(SmackVContext *smk, GetBitContext *gb, int
av_log
(
smk
->
avctx
,
AV_LOG_ERROR
,
"Skipping low bytes tree
\n
"
);
}
if
(
get_bits1
(
gb
)){
smacker_decode_tree
(
gb
,
&
tmp2
,
0
,
0
);
res
=
smacker_decode_tree
(
gb
,
&
tmp2
,
0
,
0
);
if
(
res
<
0
)
return
res
;
skip_bits1
(
gb
);
if
(
tmp2
.
current
>
1
)
{
res
=
init_vlc
(
&
vlc
[
1
],
SMKTREE_BITS
,
tmp2
.
length
,
...
...
@@ -655,7 +659,9 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data,
h
[
i
].
lengths
=
av_mallocz
(
256
*
sizeof
(
int
));
h
[
i
].
values
=
av_mallocz
(
256
*
sizeof
(
int
));
skip_bits1
(
&
gb
);
smacker_decode_tree
(
&
gb
,
&
h
[
i
],
0
,
0
);
res
=
smacker_decode_tree
(
&
gb
,
&
h
[
i
],
0
,
0
);
if
(
res
<
0
)
return
res
;
skip_bits1
(
&
gb
);
if
(
h
[
i
].
current
>
1
)
{
res
=
init_vlc
(
&
vlc
[
i
],
SMKTREE_BITS
,
h
[
i
].
length
,
...
...
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