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avfilter/vf_v360: fix small artifacts with tetrahedron inputs

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This commit is contained in:
Paul B Mahol 2020-01-23 10:31:22 +01:00
parent 41f283ec7a
commit 05d3d09cf5
1 changed files with 3 additions and 3 deletions
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6
libavfilter/vf_v360.c
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@ -2656,8 +2656,8 @@ static void xyz_to_tetrahedron(const V360Context *s,
uf = 0.75f - 0.25f * x;
}
uf *= width - 1;
vf *= height - 1;
uf *= width;
vf *= height;
ui = floorf(uf);
vi = floorf(vf);
@ -2667,7 +2667,7 @@ static void xyz_to_tetrahedron(const V360Context *s,
for (int i = -1; i < 3; i++) {
for (int j = -1; j < 3; j++) {
us[i + 1][j + 1] = av_clip(ui + j, 0, width - 1);
us[i + 1][j + 1] = mod(ui + j, width);
vs[i + 1][j + 1] = av_clip(vi + i, 0, height - 1);
}
}