mirror of https://git.ffmpeg.org/ffmpeg.git
avformat/mov: use 64bit for intermediate for rounding
Fixes: signed integer overflow: 1768972133 + 968491058 cannot be represented in type 'int'
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-4802790784303104
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f01a89c5a3
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
parent
6cc785c255
commit
db7a80c3ca
|
@ -8366,7 +8366,7 @@ static int mov_read_timecode_track(AVFormatContext *s, AVStream *st)
|
|||
/* 60 fps content have tmcd_nb_frames set to 30 but tc_rate set to 60, so
|
||||
* we multiply the frame number with the quotient.
|
||||
* See tickets #9492, #9710. */
|
||||
rounded_tc_rate = (tc_rate.num + tc_rate.den / 2) / tc_rate.den;
|
||||
rounded_tc_rate = (tc_rate.num + tc_rate.den / 2LL) / tc_rate.den;
|
||||
/* Work around files where tmcd_nb_frames is rounded down from frame rate
|
||||
* instead of up. See ticket #5978. */
|
||||
if (tmcd_nb_frames == tc_rate.num / tc_rate.den &&
|
||||
|
|
Loading…
Reference in New Issue