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avcodec/j2kenc: Fix funky bpno errors on decoding

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 816676085e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2023-03-30 18:21:28 +02:00
parent b71ad913ff
commit a2f71be26e
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8 changed files with 15 additions and 16 deletions
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3
libavcodec/j2kenc.c
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@ -719,11 +719,10 @@ static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg20
if (max == 0){
cblk->nonzerobits = 0;
bpno = 0;
} else{
cblk->nonzerobits = av_log2(max) + 1 - NMSEDEC_FRACBITS;
bpno = cblk->nonzerobits - 1;
}
bpno = cblk->nonzerobits - 1;
cblk->data[0] = 0;
ff_mqc_initenc(&t1->mqc, cblk->data + 1);