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Scale bug fix with msan when scaling up in height and down in width with box filter.

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runyuv3 Scale*Rotate_Box --libyuv_width=200 --libyuv_height=50

Bug: chromium:1158178, libyuv:875, b/176195584
Change-Id: Ic9a380179433bf3dffb951e7b5563491592d5aa5
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/2603877
Reviewed-by: Eugene Zemtsov <eugene@chromium.org>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
This commit is contained in:
Frank Barchard 2020-12-25 12:29:44 -08:00 committed by Frank Barchard
parent 0587464156
commit 1d3f901aa0
1 changed files with 2 additions and 2 deletions
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4
source/scale_common.cc
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@ -1412,8 +1412,8 @@ enum FilterMode ScaleFilterReduce(int src_width,
src_height = -src_height;
}
if (filtering == kFilterBox) {
// If scaling both axis to 0.5 or larger, switch from Box to Bilinear.
if (dst_width * 2 >= src_width && dst_height * 2 >= src_height) {
// If scaling either axis to 0.5 or larger, switch from Box to Bilinear.
if (dst_width * 2 >= src_width || dst_height * 2 >= src_height) {
filtering = kFilterBilinear;
}
}