diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-06-05 19:54:45 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-06 14:41:41 +0200 |
| commit | ad92dec581f70289406ce5eb2afa5299994a56ed (patch) | |
| tree | 5578165c53a792fbe18fa71df5bb5f322ad5db13 /libavfilter | |
| parent | 543c437bc2e13ad85f5dd5001273de11bff9cdac (diff) | |
| download | ffmpeg-ad92dec581f70289406ce5eb2afa5299994a56ed.tar.gz | |
avfilter/vf_ciescope: Fix undefined behavior in rgb_to_xy() with black
Fixes: floating point division by 0
Fixes: undefined behavior in handling NaN
Fixes: Ticket 8268
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3d500e62f6206ad11308b18976246366aed8c1a5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/vf_ciescope.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavfilter/vf_ciescope.c b/libavfilter/vf_ciescope.c index d5a2c8c0ad..ed8a040e90 100644 --- a/libavfilter/vf_ciescope.c +++ b/libavfilter/vf_ciescope.c @@ -849,7 +849,8 @@ rgb_to_xy(double rc, *z = m[2][0] * rc + m[2][1] * gc + m[2][2] * bc; sum = *x + *y + *z; - + if (sum == 0) + sum = 1; *x = *x / sum; *y = *y / sum; } |