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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-06-03 03:17:27 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-06-12 00:39:13 +0200 |
| commit | 0c977d37aad609f6ed7d148c012da8bc83df8f0b (patch) | |
| tree | 6a084f5a7893b0b8337df93a29b530c887111c6e /libavformat/mov.c | |
| parent | 019fce18bb0628ac8bc47a81d647a23d604b6123 (diff) | |
| download | ffmpeg-0c977d37aad609f6ed7d148c012da8bc83df8f0b.tar.gz | |
avformat/mov: Use 64bit in intermediate for current_dts
Fixes: CID1500304 Unintentional integer overflow
Fixes: CID1500318 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/mov.c')
| -rw-r--r-- | libavformat/mov.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index 160e9626d7..61071faf4d 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; } |