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avcodec/wavpackenc: Use unsigned for potential 31bit shift 

Fixes: CID1465481 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6f976db251)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-05-19 04:49:15 +02:00
parent a6502919bd
commit 99c8b0ac22
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 2 additions and 2 deletions
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4
libavcodec/wavpackenc.c
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@ -1976,7 +1976,7 @@ static void encode_flush(WavPackEncodeContext *s)
put_bits(pb, 31, 0x7FFFFFFF);
cbits -= 31;
} else {
put_bits(pb, cbits, (1 << cbits) - 1);
put_bits(pb, cbits, (1U << cbits) - 1);
cbits = 0;
}
} while (cbits);
@ -2005,7 +2005,7 @@ static void encode_flush(WavPackEncodeContext *s)
put_bits(pb, 31, 0x7FFFFFFF);
cbits -= 31;
} else {
put_bits(pb, cbits, (1 << cbits) - 1);
put_bits(pb, cbits, (1U << cbits) - 1);
cbits = 0;
}
} while (cbits);