Fixes: floating point division by 0
Fixes: undefined behavior in handling NaN
Fixes: Ticket 8268
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavfilter/vf_ciescope.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavfilter/vf_ciescope.c b/libavfilter/vf_ciescope.c
index b3b906f517..f8fe554c06 100644
--- a/libavfilter/vf_ciescope.c
+++ b/libavfilter/vf_ciescope.c
@@ -844,6 +844,9 @@ rgb_to_xy(double rc,
{
double sum;
+ if (rc == 0 && gc == 0 && bc == 0)
+ rc = gc = bc = 0.1/65536;
+
*x = m[0][0] * rc + m[0][1] * gc + m[0][2] * bc;
*y = m[1][0] * rc + m[1][1] * gc + m[1][2] * bc;
*z = m[2][0] * rc + m[2][1] * gc + m[2][2] * bc;
--
2.17.1
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