avcodec/jpeg2000dec: Use 32x32->64bit for 5/3 dequantization
This fixes overflows, using fewer bits would impact high bit depth quality
Fixes Ticket4654
Signed-off-by: NMichael Niedermayer <michaelni@gmx.at>
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This fixes overflows, using fewer bits would impact high bit depth quality
Fixes Ticket4654
Signed-off-by: NMichael Niedermayer <michaelni@gmx.at>