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avfilter/vf_elbg: Use unsigned for shifting into the top bit

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Fixes: part of CID1355110 Overflowed constant

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2af95b9214)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-07-08 00:45:45 +02:00
parent 0f843c76ee
commit b07d36fe69
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1 changed files with 1 additions and 1 deletions
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libavfilter/vf_elbg.c
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@ -193,7 +193,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
p0 = (uint8_t *)out->data[0];
for (i = 0; i < elbg->codebook_length; i++) {
const int al = elbg->use_alpha ? elbg->codebook[i*4+3] : 0xff;
const unsigned al = elbg->use_alpha ? elbg->codebook[i*4+3] : 0xff;
pal[i] = al << 24 |
(elbg->codebook[i*4+2] << 16) |
(elbg->codebook[i*4+1] << 8) |