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Scale by 3/8 only if source is multiple of 8 tall.

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BUG=libyuv:635
TEST=try bots
R=harryjin@google.com

Review URL: https://codereview.chromium.org/2347733002 .
This commit is contained in:
Frank Barchard 2016-09-16 14:57:47 -07:00
parent 137aa63afe
commit 8279df963e
3 changed files with 5 additions and 8 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 1617
Version: 1618
License: BSD
License File: LICENSE

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 1617
#define LIBYUV_VERSION 1618
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

9
source/scale.cc
View File

@ -1411,8 +1411,7 @@ void ScalePlane(const uint8* src, int src_stride,
}
if (dst_width <= Abs(src_width) && dst_height <= src_height) {
// Scale down.
if (4 * dst_width == 3 * src_width &&
4 * dst_height == 3 * src_height) {
if (4 * dst_width == 3 * src_width && 4 * dst_height == 3 * src_height) {
// optimized, 3/4
ScalePlaneDown34(src_width, src_height, dst_width, dst_height,
src_stride, dst_stride, src, dst, filtering);
@ -1425,8 +1424,7 @@ void ScalePlane(const uint8* src, int src_stride,
return;
}
// 3/8 rounded up for odd sized chroma height.
if (8 * dst_width == 3 * src_width &&
dst_height == ((src_height * 3 + 7) / 8)) {
if (8 * dst_width == 3 * src_width && 8 * dst_height == 3 * src_height) {
// optimized, 3/8
ScalePlaneDown38(src_width, src_height, dst_width, dst_height,
src_stride, dst_stride, src, dst, filtering);
@ -1508,8 +1506,7 @@ void ScalePlane_16(const uint16* src, int src_stride,
return;
}
// 3/8 rounded up for odd sized chroma height.
if (8 * dst_width == 3 * src_width &&
dst_height == ((src_height * 3 + 7) / 8)) {
if (8 * dst_width == 3 * src_width && 8 * dst_height == 3 * src_height) {
// optimized, 3/8
ScalePlaneDown38_16(src_width, src_height, dst_width, dst_height,
src_stride, dst_stride, src, dst, filtering);