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Linshizhi
ffmpeg.wasm-core
Commits
cc1dda85
Commit
cc1dda85
authored
Dec 21, 2011
by
Tomas Härdin
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mxfdec: Don't crash in mxf_packet_timestamps() if current_edit_unit overflows
parent
0cd21dda
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2 deletions
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mxfdec.c
libavformat/mxfdec.c
+2
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libavformat/mxfdec.c
View file @
cc1dda85
...
...
@@ -1745,7 +1745,7 @@ static void mxf_packet_timestamps(MXFContext *mxf, AVPacket *pkt)
return
;
/* find mxf->current_edit_unit so that the next edit unit starts ahead of pkt->pos */
for
(;;
)
{
while
(
mxf
->
current_edit_unit
>=
0
)
{
if
(
mxf_edit_unit_absolute_offset
(
mxf
,
t
,
mxf
->
current_edit_unit
+
1
,
NULL
,
&
next_ofs
,
0
)
<
0
)
break
;
...
...
@@ -1763,7 +1763,7 @@ static void mxf_packet_timestamps(MXFContext *mxf, AVPacket *pkt)
mxf
->
current_edit_unit
++
;
}
if
(
mxf
->
current_edit_unit
>=
t
->
nb_ptses
)
if
(
mxf
->
current_edit_unit
<
0
||
mxf
->
current_edit_unit
>=
t
->
nb_ptses
)
return
;
pkt
->
dts
=
mxf
->
current_edit_unit
+
t
->
first_dts
;
...
...
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