ffmpeg | branch: release/4.2 | Paul B Mahol <one...@gmail.com> | Sun Oct 13 23:28:16 2019 +0200| [15900ff8e68f38404bd6d392d474d99f65cdbbf9] | committer: Michael Niedermayer
avfilter/vf_lenscorrection: fix division by zero Fixes #8265 (cherry picked from commit 19587c9332f5be4f6bc6d7b2b8ef3fd21dfeaa01) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=15900ff8e68f38404bd6d392d474d99f65cdbbf9 --- libavfilter/vf_lenscorrection.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/libavfilter/vf_lenscorrection.c b/libavfilter/vf_lenscorrection.c index 239fe195bd..43f3c1b7d0 100644 --- a/libavfilter/vf_lenscorrection.c +++ b/libavfilter/vf_lenscorrection.c @@ -155,10 +155,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) for (plane = 0; plane < rect->nb_planes; ++plane) { int hsub = plane == 1 || plane == 2 ? rect->hsub : 0; int vsub = plane == 1 || plane == 2 ? rect->vsub : 0; - int hdiv = 1 << hsub; - int vdiv = 1 << vsub; - int w = rect->width / hdiv; - int h = rect->height / vdiv; + int w = AV_CEIL_RSHIFT(rect->width, hsub); + int h = AV_CEIL_RSHIFT(rect->height, vsub); int xcenter = rect->cx * w; int ycenter = rect->cy * h; int k1 = rect->k1 * (1<<24); _______________________________________________ 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".
