ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Sun Mar 29 13:07:35 2020 +0200| [85025162dac9efcb07ed7528cbd248337bad912c] | committer: Paul B Mahol
avfilter/vf_v360: speedup fisheye output > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=85025162dac9efcb07ed7528cbd248337bad912c --- libavfilter/vf_v360.c | 11 ++++++++--- 1 file 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); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
