Commit d033f403 authored by Paul B Mahol's avatar Paul B Mahol

avfilter/vf_v360: support input flips for tetrahedron format

parent 05d3d09c
......@@ -2647,13 +2647,13 @@ static void xyz_to_tetrahedron(const V360Context *s,
y = vec[1] / d;
z = -vec[2] / d;
vf = 0.5f - y * 0.5f;
vf = 0.5f - y * 0.5f * s->input_mirror_modifier[1];
if ((x + y >= 0.f && y + z >= 0.f && -z - x <= 0.f) ||
(x + y <= 0.f && -y + z >= 0.f && z - x >= 0.f)) {
uf = 0.25f * x + 0.25f;
uf = 0.25f * x * s->input_mirror_modifier[0] + 0.25f;
} else {
uf = 0.75f - 0.25f * x;
uf = 0.75f - 0.25f * x * s->input_mirror_modifier[0];
}
uf *= width;
......
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