ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Sat Jun 5 19:54:45 2021 +0200| [3d500e62f6206ad11308b18976246366aed8c1a5] | committer: Michael Niedermayer
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 <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3d500e62f6206ad11308b18976246366aed8c1a5 --- libavfilter/vf_ciescope.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavfilter/vf_ciescope.c b/libavfilter/vf_ciescope.c index b3b906f517..cafdb915ea 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; } _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
