diff options
| -rw-r--r-- | libavfilter/vf_v360.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/libavfilter/vf_v360.c b/libavfilter/vf_v360.c index 8f36d207c9..620a995733 100644 --- a/libavfilter/vf_v360.c +++ b/libavfilter/vf_v360.c @@ -3765,6 +3765,7 @@ static int barrelsplit_to_xyz(const V360Context *s, const float scaleh = s->fout_pad > 0 ? 1.f - s->fout_pad / (height / 4.f) : 1.f - s->out_pad; const int face = floorf(y * 4.f); + const float dir_vert = (face == 1 || face == 3) ? 1.0f : -1.0f; float uf, vf; uf = x * 3.f - 2.f; @@ -3774,36 +3775,23 @@ static int barrelsplit_to_xyz(const V360Context *s, vf = y * 2.f; uf = 1.f - uf; vf = 0.5f - vf; - - l_x = (0.5f - uf) / scalew; - l_y = -0.5f; - l_z = (0.5f - vf) / scaleh; break; case 1: vf = y * 2.f; uf = 1.f - uf; vf = 1.f - (vf - 0.5f); - - l_x = (0.5f - uf) / scalew; - l_y = 0.5f; - l_z = (-0.5f + vf) / scaleh; break; case 2: vf = y * 2.f - 0.5f; vf = 1.f - (1.f - vf); - - l_x = (0.5f - uf) / scalew; - l_y = -0.5f; - l_z = (0.5f - vf) / scaleh; break; case 3: vf = y * 2.f - 1.5f; - - l_x = (0.5f - uf) / scalew; - l_y = 0.5f; - l_z = (-0.5f + vf) / scaleh; break; } + l_x = (0.5f - uf) / scalew; + l_y = 0.5f * dir_vert; + l_z = (vf - 0.5f) * dir_vert / scaleh; } vec[0] = l_x; |