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Linshizhi
ffmpeg.wasm-core
Commits
ab161bfa
Commit
ab161bfa
authored
Jan 17, 2015
by
Michael Niedermayer
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avformat/asfdec: Check the av_get_packet() return value
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
4adf75ca
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asfdec.c
libavformat/asfdec.c
+6
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libavformat/asfdec.c
View file @
ab161bfa
...
...
@@ -791,12 +791,17 @@ static int asf_read_header(AVFormatContext *s)
if
(
!
s
->
keylen
)
{
if
(
!
ff_guidcmp
(
&
g
,
&
ff_asf_content_encryption
))
{
unsigned
int
len
;
int
ret
;
AVPacket
pkt
;
av_log
(
s
,
AV_LOG_WARNING
,
"DRM protected stream detected, decoding will likely fail!
\n
"
);
len
=
avio_rl32
(
pb
);
av_log
(
s
,
AV_LOG_DEBUG
,
"Secret data:
\n
"
);
av_get_packet
(
pb
,
&
pkt
,
len
);
av_hex_dump_log
(
s
,
AV_LOG_DEBUG
,
pkt
.
data
,
pkt
.
size
);
av_free_packet
(
&
pkt
);
if
((
ret
=
av_get_packet
(
pb
,
&
pkt
,
len
))
<
0
)
return
ret
;
av_hex_dump_log
(
s
,
AV_LOG_DEBUG
,
pkt
.
data
,
pkt
.
size
);
av_free_packet
(
&
pkt
);
len
=
avio_rl32
(
pb
);
get_tag
(
s
,
"ASF_Protection_Type"
,
-
1
,
len
,
32
);
len
=
avio_rl32
(
pb
);
...
...
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