diff options
| -rw-r--r-- | libavfilter/vf_v360.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libavfilter/vf_v360.c b/libavfilter/vf_v360.c index 66e3f09f6d..75f512e242 100644 --- a/libavfilter/vf_v360.c +++ b/libavfilter/vf_v360.c @@ -2531,9 +2531,14 @@ static int fisheye_to_xyz(const V360Context *s, const float phi = atan2f(vf, uf); const float theta = M_PI_2 * (1.f - hypotf(uf, vf)); - vec[0] = cosf(theta) * cosf(phi); - vec[1] = cosf(theta) * sinf(phi); - vec[2] = sinf(theta); + const float sin_phi = sinf(phi); + const float cos_phi = cosf(phi); + const float sin_theta = sinf(theta); + const float cos_theta = cosf(theta); + + vec[0] = cos_theta * cos_phi; + vec[1] = cos_theta * sin_phi; + vec[2] = sin_theta; normalize_vector(vec); |