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avcodec/tests/jpeg2000dwt: Use 64bit in err2 computation

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This issue cannot happen with the current function parameters

Fixes: CID1500309 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-05-19 22:07:31 +02:00
parent 348c3a7ffe
commit 847a53f264
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1 changed files with 1 additions and 1 deletions
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libavcodec/tests/jpeg2000dwt.c
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@ -57,7 +57,7 @@ static int test_dwt(int *array, int *ref, int border[2][2], int decomp_levels, i
j, array[j], ref[j],decomp_levels, border[0][0], border[0][1], border[1][0], border[1][1]);
return 2;
}
err2 += (array[j] - ref[j]) * (array[j] - ref[j]);
err2 += (array[j] - ref[j]) * (int64_t)(array[j] - ref[j]);
array[j] = ref[j];
}
ff_dwt_destroy(s);