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Linshizhi
ffmpeg.wasm-core
Commits
57810910
Commit
57810910
authored
Jan 19, 2008
by
Baptiste Coudurier
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check malloc return
Originally committed as revision 11562 to
svn://svn.ffmpeg.org/ffmpeg/trunk
parent
8513ba09
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1 changed file
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18 additions
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0 deletions
+18
-0
mxf.c
libavformat/mxf.c
+18
-0
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libavformat/mxf.c
View file @
57810910
...
...
@@ -281,6 +281,8 @@ static int mxf_decrypt_triplet(AVFormatContext *s, AVPacket *pkt, KLVPacket *klv
if
(
!
mxf
->
aesc
&&
s
->
key
&&
s
->
keylen
==
16
)
{
mxf
->
aesc
=
av_malloc
(
av_aes_size
);
if
(
!
mxf
->
aesc
)
return
-
1
;
av_aes_init
(
mxf
->
aesc
,
s
->
key
,
128
,
1
);
}
// crypto context
...
...
@@ -368,6 +370,8 @@ static int mxf_read_packet(AVFormatContext *s, AVPacket *pkt)
static
int
mxf_add_metadata_set
(
MXFContext
*
mxf
,
void
*
metadata_set
)
{
mxf
->
metadata_sets
=
av_realloc
(
mxf
->
metadata_sets
,
(
mxf
->
metadata_sets_count
+
1
)
*
sizeof
(
*
mxf
->
metadata_sets
));
if
(
!
mxf
->
metadata_sets
)
return
-
1
;
mxf
->
metadata_sets
[
mxf
->
metadata_sets_count
]
=
metadata_set
;
mxf
->
metadata_sets_count
++
;
return
0
;
...
...
@@ -394,6 +398,8 @@ static int mxf_read_metadata_content_storage(MXFContext *mxf, ByteIOContext *pb,
if
(
mxf
->
packages_count
>=
UINT_MAX
/
sizeof
(
UID
))
return
-
1
;
mxf
->
packages_refs
=
av_malloc
(
mxf
->
packages_count
*
sizeof
(
UID
));
if
(
!
mxf
->
packages_refs
)
return
-
1
;
url_fskip
(
pb
,
4
);
/* useless size of objects, always 16 according to specs */
get_buffer
(
pb
,
(
uint8_t
*
)
mxf
->
packages_refs
,
mxf
->
packages_count
*
sizeof
(
UID
));
break
;
...
...
@@ -430,6 +436,8 @@ static int mxf_read_metadata_material_package(MXFPackage *package, ByteIOContext
if
(
package
->
tracks_count
>=
UINT_MAX
/
sizeof
(
UID
))
return
-
1
;
package
->
tracks_refs
=
av_malloc
(
package
->
tracks_count
*
sizeof
(
UID
));
if
(
!
package
->
tracks_refs
)
return
-
1
;
url_fskip
(
pb
,
4
);
/* useless size of objects, always 16 according to specs */
get_buffer
(
pb
,
(
uint8_t
*
)
package
->
tracks_refs
,
package
->
tracks_count
*
sizeof
(
UID
));
break
;
...
...
@@ -471,6 +479,8 @@ static int mxf_read_metadata_sequence(MXFSequence *sequence, ByteIOContext *pb,
if
(
sequence
->
structural_components_count
>=
UINT_MAX
/
sizeof
(
UID
))
return
-
1
;
sequence
->
structural_components_refs
=
av_malloc
(
sequence
->
structural_components_count
*
sizeof
(
UID
));
if
(
!
sequence
->
structural_components_refs
)
return
-
1
;
url_fskip
(
pb
,
4
);
/* useless size of objects, always 16 according to specs */
get_buffer
(
pb
,
(
uint8_t
*
)
sequence
->
structural_components_refs
,
sequence
->
structural_components_count
*
sizeof
(
UID
));
break
;
...
...
@@ -486,6 +496,8 @@ static int mxf_read_metadata_source_package(MXFPackage *package, ByteIOContext *
if
(
package
->
tracks_count
>=
UINT_MAX
/
sizeof
(
UID
))
return
-
1
;
package
->
tracks_refs
=
av_malloc
(
package
->
tracks_count
*
sizeof
(
UID
));
if
(
!
package
->
tracks_refs
)
return
-
1
;
url_fskip
(
pb
,
4
);
/* useless size of objects, always 16 according to specs */
get_buffer
(
pb
,
(
uint8_t
*
)
package
->
tracks_refs
,
package
->
tracks_count
*
sizeof
(
UID
));
break
;
...
...
@@ -532,6 +544,8 @@ static int mxf_read_metadata_generic_descriptor(MXFDescriptor *descriptor, ByteI
if
(
descriptor
->
sub_descriptors_count
>=
UINT_MAX
/
sizeof
(
UID
))
return
-
1
;
descriptor
->
sub_descriptors_refs
=
av_malloc
(
descriptor
->
sub_descriptors_count
*
sizeof
(
UID
));
if
(
!
descriptor
->
sub_descriptors_refs
)
return
-
1
;
url_fskip
(
pb
,
4
);
/* useless size of objects, always 16 according to specs */
get_buffer
(
pb
,
(
uint8_t
*
)
descriptor
->
sub_descriptors_refs
,
descriptor
->
sub_descriptors_count
*
sizeof
(
UID
));
break
;
...
...
@@ -572,6 +586,8 @@ static int mxf_read_metadata_generic_descriptor(MXFDescriptor *descriptor, ByteI
break
;
case
0x8201
:
/* Private tag used by SONY C0023S01.mxf */
descriptor
->
extradata
=
av_malloc
(
size
);
if
(
!
descriptor
->
extradata
)
return
-
1
;
descriptor
->
extradata_size
=
size
;
get_buffer
(
pb
,
descriptor
->
extradata
,
size
);
break
;
...
...
@@ -884,6 +900,8 @@ static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, int (*read_child
MXFMetadataSet
*
ctx
=
ctx_size
?
av_mallocz
(
ctx_size
)
:
mxf
;
uint64_t
klv_end
=
url_ftell
(
pb
)
+
klv
->
length
;
if
(
!
ctx
)
return
-
1
;
while
(
url_ftell
(
pb
)
+
4
<
klv_end
)
{
int
tag
=
get_be16
(
pb
);
int
size
=
get_be16
(
pb
);
/* KLV specified by 0x53 */
...
...
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