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avformat/mov: Use int64_t in intermediate for corrected_dts

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Fixes: CID1500312 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 034054b3706bea8524cf8846813e17636ca5ab33)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-06-03 03:20:41 +02:00
parent 14aff02a10
commit 74aeed90eb
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GPG Key ID: B18E8928B3948D64
1 changed files with 1 additions and 1 deletions
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libavformat/mov.c
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@ -3040,7 +3040,7 @@ static int mov_read_stts(MOVContext *c, AVIOContext *pb, MOVAtom atom)
sc->stts_data[i].duration = 1; sc->stts_data[i].duration = 1;
corrected_dts += (delta_magnitude < 0 ? (int64_t)delta_magnitude : 1) * sample_count; corrected_dts += (delta_magnitude < 0 ? (int64_t)delta_magnitude : 1) * sample_count;
} else { } else {
corrected_dts += sample_duration * sample_count; corrected_dts += sample_duration * (int64_t)sample_count;
} }
current_dts += sc->stts_data[i].duration * (int64_t)sample_count; current_dts += sc->stts_data[i].duration * (int64_t)sample_count;