Fixes: CID1500304 Unintentional integer overflow
Fixes: CID1500318 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/mov.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 45eca74d1db..d15b7b70c50 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -3389,12 +3389,12 @@ static int mov_read_stts(MOVContext *c, AVIOContext
*pb, MOVAtom atom)
corrected_dts += sample_duration * sample_count;
}
- current_dts += sc->stts_data[i].duration * sample_count;
+ current_dts += sc->stts_data[i].duration * (int64_t)sample_count;
if (current_dts > corrected_dts) {
int64_t drift = (current_dts - corrected_dts)/FFMAX(sample_count,
1);
uint32_t correction = (sc->stts_data[i].duration > drift) ? drift
: sc->stts_data[i].duration - 1;
- current_dts -= correction * sample_count;
+ current_dts -= correction * (uint64_t)sample_count;
sc->stts_data[i].duration -= correction;
}
--
2.45.1
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