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Linshizhi
ffmpeg.wasm-core
Commits
443bd271
Commit
443bd271
authored
Dec 25, 2014
by
Michael Niedermayer
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avformat/wtvdec: Use av_freep() avoid leaving stale pointers in memory
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
68fa5492
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1 changed file
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10 additions
and
10 deletions
+10
-10
wtvdec.c
libavformat/wtvdec.c
+10
-10
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libavformat/wtvdec.c
View file @
443bd271
...
@@ -204,8 +204,8 @@ static AVIOContext * wtvfile_open_sector(int first_sector, uint64_t length, int
...
@@ -204,8 +204,8 @@ static AVIOContext * wtvfile_open_sector(int first_sector, uint64_t length, int
wf
->
sector_bits
=
length
&
(
1ULL
<<
63
)
?
WTV_SECTOR_BITS
:
WTV_BIGSECTOR_BITS
;
wf
->
sector_bits
=
length
&
(
1ULL
<<
63
)
?
WTV_SECTOR_BITS
:
WTV_BIGSECTOR_BITS
;
if
(
!
wf
->
nb_sectors
)
{
if
(
!
wf
->
nb_sectors
)
{
av_free
(
wf
->
sectors
);
av_free
p
(
&
wf
->
sectors
);
av_free
(
wf
);
av_free
p
(
&
wf
);
return
NULL
;
return
NULL
;
}
}
...
@@ -224,25 +224,25 @@ static AVIOContext * wtvfile_open_sector(int first_sector, uint64_t length, int
...
@@ -224,25 +224,25 @@ static AVIOContext * wtvfile_open_sector(int first_sector, uint64_t length, int
/* seek to initial sector */
/* seek to initial sector */
wf
->
position
=
0
;
wf
->
position
=
0
;
if
(
seek_by_sector
(
s
->
pb
,
wf
->
sectors
[
0
],
0
)
<
0
)
{
if
(
seek_by_sector
(
s
->
pb
,
wf
->
sectors
[
0
],
0
)
<
0
)
{
av_free
(
wf
->
sectors
);
av_free
p
(
&
wf
->
sectors
);
av_free
(
wf
);
av_free
p
(
&
wf
);
return
NULL
;
return
NULL
;
}
}
wf
->
pb_filesystem
=
s
->
pb
;
wf
->
pb_filesystem
=
s
->
pb
;
buffer
=
av_malloc
(
1
<<
wf
->
sector_bits
);
buffer
=
av_malloc
(
1
<<
wf
->
sector_bits
);
if
(
!
buffer
)
{
if
(
!
buffer
)
{
av_free
(
wf
->
sectors
);
av_free
p
(
&
wf
->
sectors
);
av_free
(
wf
);
av_free
p
(
&
wf
);
return
NULL
;
return
NULL
;
}
}
pb
=
avio_alloc_context
(
buffer
,
1
<<
wf
->
sector_bits
,
0
,
wf
,
pb
=
avio_alloc_context
(
buffer
,
1
<<
wf
->
sector_bits
,
0
,
wf
,
wtvfile_read_packet
,
NULL
,
wtvfile_seek
);
wtvfile_read_packet
,
NULL
,
wtvfile_seek
);
if
(
!
pb
)
{
if
(
!
pb
)
{
av_free
(
buffer
);
av_free
p
(
&
buffer
);
av_free
(
wf
->
sectors
);
av_free
p
(
&
wf
->
sectors
);
av_free
(
wf
);
av_free
p
(
&
wf
);
}
}
return
pb
;
return
pb
;
}
}
...
@@ -304,7 +304,7 @@ static AVIOContext * wtvfile_open2(AVFormatContext *s, const uint8_t *buf, int b
...
@@ -304,7 +304,7 @@ static AVIOContext * wtvfile_open2(AVFormatContext *s, const uint8_t *buf, int b
static
void
wtvfile_close
(
AVIOContext
*
pb
)
static
void
wtvfile_close
(
AVIOContext
*
pb
)
{
{
WtvFile
*
wf
=
pb
->
opaque
;
WtvFile
*
wf
=
pb
->
opaque
;
av_free
(
wf
->
sectors
);
av_free
p
(
&
wf
->
sectors
);
av_freep
(
&
pb
->
opaque
);
av_freep
(
&
pb
->
opaque
);
av_freep
(
&
pb
->
buffer
);
av_freep
(
&
pb
->
buffer
);
av_free
(
pb
);
av_free
(
pb
);
...
...
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