Previously the visibility test referred to a circle in the input. This
changes it so that it refers accurately to the entire area in the input.
Signed-off-by: Daniel Playfair Cal <daniel.playfair....@gmail.com>
---
libavfilter/vf_v360.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/vf_v360.c b/libavfilter/vf_v360.c
index 94473cd5b3..602e0e2d72 100644
--- a/libavfilter/vf_v360.c
+++ b/libavfilter/vf_v360.c
@@ -2887,7 +2887,7 @@ static int xyz_to_fisheye(const V360Context *s,
float uf = vec[0] / lh * phi / s->iflat_range[0];
float vf = vec[1] / lh * phi / s->iflat_range[1];
- const int visible = hypotf(uf, vf) <= 0.5f;
+ const int visible = -0.5 < uf && uf < 0.5 && -0.5 < vf && vf < 0.5;
int ui, vi;
uf = (uf + 0.5f) * width;
--
2.31.0
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