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Linshizhi
ffmpeg.wasm-core
Commits
03927cb7
Commit
03927cb7
authored
May 31, 2015
by
Vittorio Giovara
Committed by
Luca Barbato
May 31, 2015
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psymodel: Check memory allocation
parent
fef2f472
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1 changed file
with
12 additions
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0 deletions
+12
-0
psymodel.c
libavcodec/psymodel.c
+12
-0
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libavcodec/psymodel.c
View file @
03927cb7
...
@@ -39,6 +39,12 @@ av_cold int ff_psy_init(FFPsyContext *ctx, AVCodecContext *avctx, int num_lens,
...
@@ -39,6 +39,12 @@ av_cold int ff_psy_init(FFPsyContext *ctx, AVCodecContext *avctx, int num_lens,
ctx
->
group
=
av_mallocz
(
sizeof
(
ctx
->
group
[
0
])
*
num_groups
);
ctx
->
group
=
av_mallocz
(
sizeof
(
ctx
->
group
[
0
])
*
num_groups
);
ctx
->
bands
=
av_malloc
(
sizeof
(
ctx
->
bands
[
0
])
*
num_lens
);
ctx
->
bands
=
av_malloc
(
sizeof
(
ctx
->
bands
[
0
])
*
num_lens
);
ctx
->
num_bands
=
av_malloc
(
sizeof
(
ctx
->
num_bands
[
0
])
*
num_lens
);
ctx
->
num_bands
=
av_malloc
(
sizeof
(
ctx
->
num_bands
[
0
])
*
num_lens
);
if
(
!
ctx
->
ch
||
!
ctx
->
group
||
!
ctx
->
bands
||
!
ctx
->
num_bands
)
{
ff_psy_end
(
ctx
);
return
AVERROR
(
ENOMEM
);
}
memcpy
(
ctx
->
bands
,
bands
,
sizeof
(
ctx
->
bands
[
0
])
*
num_lens
);
memcpy
(
ctx
->
bands
,
bands
,
sizeof
(
ctx
->
bands
[
0
])
*
num_lens
);
memcpy
(
ctx
->
num_bands
,
num_bands
,
sizeof
(
ctx
->
num_bands
[
0
])
*
num_lens
);
memcpy
(
ctx
->
num_bands
,
num_bands
,
sizeof
(
ctx
->
num_bands
[
0
])
*
num_lens
);
...
@@ -98,6 +104,8 @@ av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *av
...
@@ -98,6 +104,8 @@ av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *av
int
i
;
int
i
;
float
cutoff_coeff
=
0
;
float
cutoff_coeff
=
0
;
ctx
=
av_mallocz
(
sizeof
(
FFPsyPreprocessContext
));
ctx
=
av_mallocz
(
sizeof
(
FFPsyPreprocessContext
));
if
(
!
ctx
)
return
NULL
;
ctx
->
avctx
=
avctx
;
ctx
->
avctx
=
avctx
;
if
(
avctx
->
cutoff
>
0
)
if
(
avctx
->
cutoff
>
0
)
...
@@ -109,6 +117,10 @@ av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *av
...
@@ -109,6 +117,10 @@ av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *av
cutoff_coeff
,
0
.
0
,
0
.
0
);
cutoff_coeff
,
0
.
0
,
0
.
0
);
if
(
ctx
->
fcoeffs
)
{
if
(
ctx
->
fcoeffs
)
{
ctx
->
fstate
=
av_mallocz
(
sizeof
(
ctx
->
fstate
[
0
])
*
avctx
->
channels
);
ctx
->
fstate
=
av_mallocz
(
sizeof
(
ctx
->
fstate
[
0
])
*
avctx
->
channels
);
if
(
!
ctx
->
fstate
)
{
av_free
(
ctx
);
return
NULL
;
}
for
(
i
=
0
;
i
<
avctx
->
channels
;
i
++
)
for
(
i
=
0
;
i
<
avctx
->
channels
;
i
++
)
ctx
->
fstate
[
i
]
=
ff_iir_filter_init_state
(
FILT_ORDER
);
ctx
->
fstate
[
i
]
=
ff_iir_filter_init_state
(
FILT_ORDER
);
}
}
...
...
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