From ebc8806b9fcc8a2130773ddfd2f1678f78c24200 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Sun, 23 Feb 2020 18:15:06 +0100 Subject: [PATCH] avfilter/vf_v360: improve equirect_to_xyz() quality --- libavfilter/vf_v360.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavfilter/vf_v360.c b/libavfilter/vf_v360.c index de79fcdcf2..dee632c258 100644 --- a/libavfilter/vf_v360.c +++ b/libavfilter/vf_v360.c @@ -1561,8 +1561,8 @@ static int equirect_to_xyz(const V360Context *s, int i, int j, int width, int height, float *vec) { - const float phi = ((2.f * i) / width - 1.f) * M_PI; - const float theta = ((2.f * j) / height - 1.f) * M_PI_2; + const float phi = ((2.f * i + 0.5f) / width - 1.f) * M_PI; + const float theta = ((2.f * j + 0.5f) / height - 1.f) * M_PI_2; const float sin_phi = sinf(phi); const float cos_phi = cosf(phi);