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vf_lut: fix simplification / off by 1 error

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-04-17 21:18:24 +02:00
parent 1de7dcb457
commit 45741dd81f
1 changed files with 3 additions and 3 deletions
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6
libavfilter/vf_lut.c
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@ -286,9 +286,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
outrow = outrow0;
for (j = 0; j < w; j++) {
switch (lut->step) {
case 3: outrow[3] = tab[3][inrow[3]]; // Fall-through
case 2: outrow[2] = tab[2][inrow[2]]; // Fall-through
case 1: outrow[1] = tab[1][inrow[1]]; // Fall-through
case 4: outrow[3] = tab[3][inrow[3]]; // Fall-through
case 3: outrow[2] = tab[2][inrow[2]]; // Fall-through
case 2: outrow[1] = tab[1][inrow[1]]; // Fall-through
default: outrow[0] = tab[0][inrow[0]];
}
outrow += lut->step;