diff options
| author | Paul B Mahol <onemda@gmail.com> | 2019-09-20 19:14:41 +0300 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2019-09-20 22:08:57 +0300 |
| commit | bc89434a0bec1b813bd21fff27abdd6c83936f1f (patch) | |
| tree | 8212edbc50ea18bfa66cb486b35f166c64863412 /libavfilter/vf_v360.c | |
| parent | 048c712aa1f5aa3cc0c5325e73cbf166f346dd46 (diff) | |
avfilter/vf_v360: fix various artifacts with cubemaps
Diffstat (limited to 'libavfilter/vf_v360.c')
| -rw-r--r-- | libavfilter/vf_v360.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libavfilter/vf_v360.c b/libavfilter/vf_v360.c index 6509a95916..0ec26e67bf 100644 --- a/libavfilter/vf_v360.c +++ b/libavfilter/vf_v360.c @@ -1073,8 +1073,8 @@ static void cube3x2_to_xyz(const V360Context *s, const int ewi = ceilf(ew * (u_face + 1)) - u_shift; const int ehi = ceilf(eh * (v_face + 1)) - v_shift; - const float uf = 2.f * (i - u_shift) / ewi - 1.f; - const float vf = 2.f * (j - v_shift) / ehi - 1.f; + const float uf = 2.f * (i - u_shift + 0.5f) / ewi - 1.f; + const float vf = 2.f * (j - v_shift + 0.5f) / ehi - 1.f; cube_to_xyz(s, uf, vf, face, vec); } @@ -1114,8 +1114,8 @@ static void xyz_to_cube3x2(const V360Context *s, ewi = ceilf(ew * (u_face + 1)) - ceilf(ew * u_face); ehi = ceilf(eh * (v_face + 1)) - ceilf(eh * v_face); - uf = 0.5f * ewi * (uf + 1.f); - vf = 0.5f * ehi * (vf + 1.f); + uf = 0.5f * ewi * (uf + 1.f) - 0.5f; + vf = 0.5f * ehi * (vf + 1.f) - 0.5f; ui = floorf(uf); vi = floorf(vf); @@ -1188,8 +1188,8 @@ static void cube1x6_to_xyz(const V360Context *s, const int v_shift = ceilf(eh * face); const int ehi = ceilf(eh * (face + 1)) - v_shift; - const float uf = 2.f * i / ew - 1.f; - const float vf = 2.f * (j - v_shift) / ehi - 1.f; + const float uf = 2.f * (i + 0.5f) / ew - 1.f; + const float vf = 2.f * (j - v_shift + 0.5f) / ehi - 1.f; cube_to_xyz(s, uf, vf, face, vec); } @@ -1216,8 +1216,8 @@ static void cube6x1_to_xyz(const V360Context *s, const int u_shift = ceilf(ew * face); const int ewi = ceilf(ew * (face + 1)) - u_shift; - const float uf = 2.f * (i - u_shift) / ewi - 1.f; - const float vf = 2.f * j / eh - 1.f; + const float uf = 2.f * (i - u_shift + 0.5f) / ewi - 1.f; + const float vf = 2.f * (j + 0.5f) / eh - 1.f; cube_to_xyz(s, uf, vf, face, vec); } @@ -1253,8 +1253,8 @@ static void xyz_to_cube1x6(const V360Context *s, face = s->in_cubemap_face_order[direction]; ehi = ceilf(eh * (face + 1)) - ceilf(eh * face); - uf = 0.5f * ewi * (uf + 1.f); - vf = 0.5f * ehi * (vf + 1.f); + uf = 0.5f * ewi * (uf + 1.f) - 0.5f; + vf = 0.5f * ehi * (vf + 1.f) - 0.5f; ui = floorf(uf); vi = floorf(vf); @@ -1329,8 +1329,8 @@ static void xyz_to_cube6x1(const V360Context *s, face = s->in_cubemap_face_order[direction]; ewi = ceilf(ew * (face + 1)) - ceilf(ew * face); - uf = 0.5f * ewi * (uf + 1.f); - vf = 0.5f * ehi * (vf + 1.f); + uf = 0.5f * ewi * (uf + 1.f) - 0.5f; + vf = 0.5f * ehi * (vf + 1.f) - 0.5f; ui = floorf(uf); vi = floorf(vf); |