BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/990004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@519 16f28f9a-4ce2-e073-06de-1de4eb20be90

Mark stack as not executable.  Although its tempting to generate code and execute it as an optimization, security says this is a bad thing.
BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/989005

git-svn-id: http://libyuv.googlecode.com/svn/trunk@518 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=186
TEST=Shade
Review URL: https://webrtc-codereview.appspot.com/986004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@517 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=168
TESTED=./libyuv_unittest --gtest_filter=*Shade
Review URL: https://webrtc-codereview.appspot.com/985004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@516 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=168
TEST=TestShade
Review URL: https://webrtc-codereview.appspot.com/971021

git-svn-id: http://libyuv.googlecode.com/svn/trunk@515 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=lint and try bots
Review URL: https://webrtc-codereview.appspot.com/981004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@514 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/974012

git-svn-id: http://libyuv.googlecode.com/svn/trunk@513 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=176
TESTED=*Matrix*
Review URL: https://webrtc-codereview.appspot.com/966033

git-svn-id: http://libyuv.googlecode.com/svn/trunk@512 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=167
TEST=*Sepia
Review URL: https://webrtc-codereview.appspot.com/968014

git-svn-id: http://libyuv.googlecode.com/svn/trunk@511 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=176
TEST=./libyuv_unittest --gtest_filter=**Gray*
Review URL: https://webrtc-codereview.appspot.com/929039

git-svn-id: http://libyuv.googlecode.com/svn/trunk@510 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=167
TESTED=planar test Shade*
Review URL: https://webrtc-codereview.appspot.com/969014

git-svn-id: http://libyuv.googlecode.com/svn/trunk@509 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=167
TEST=./libyuv_unittest --gtest_filter=*Quantize
Review URL: https://webrtc-codereview.appspot.com/972010

git-svn-id: http://libyuv.googlecode.com/svn/trunk@508 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=lint
Review URL: https://webrtc-codereview.appspot.com/964024

git-svn-id: http://libyuv.googlecode.com/svn/trunk@507 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=164
TEST=./libyuv_unittest --gtest_filter=*Atten*
Review URL: https://webrtc-codereview.appspot.com/937031

git-svn-id: http://libyuv.googlecode.com/svn/trunk@506 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=libyuv_unittest --gtest_filter=*ScaleTo1280*
Review URL: https://webrtc-codereview.appspot.com/969011

git-svn-id: http://libyuv.googlecode.com/svn/trunk@505 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=155
TEST=*Scale*
Review URL: https://webrtc-codereview.appspot.com/935022

git-svn-id: http://libyuv.googlecode.com/svn/trunk@504 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=scale_test
Review URL: https://webrtc-codereview.appspot.com/929028

git-svn-id: http://libyuv.googlecode.com/svn/trunk@503 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=155
TEST=sudo LIBYUV_REPEAT=1000 nice --5 ./libyuv_unittest --gtest_filter=*Rotate*
Review URL: https://webrtc-codereview.appspot.com/939029

git-svn-id: http://libyuv.googlecode.com/svn/trunk@502 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=161
TEST=planar test
Review URL: https://webrtc-codereview.appspot.com/971004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@501 16f28f9a-4ce2-e073-06de-1de4eb20be90

check for interpolation of 0 and do a memcpy to avoid touching the row + 1 which may be one past the end of the buffer.
BUG=153
TEST=valgrind
Review URL: https://webrtc-codereview.appspot.com/930026

git-svn-id: http://libyuv.googlecode.com/svn/trunk@500 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=161
TEST=planar test
Review URL: https://webrtc-codereview.appspot.com/939022

git-svn-id: http://libyuv.googlecode.com/svn/trunk@499 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=160
TEST=libyuvTest.ARGBBlend_Unaligned
Review URL: https://webrtc-codereview.appspot.com/935019

git-svn-id: http://libyuv.googlecode.com/svn/trunk@498 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=./libyuv_unittest --gtest_filter=*ARGBScale*
Review URL: https://webrtc-codereview.appspot.com/964017

git-svn-id: http://libyuv.googlecode.com/svn/trunk@497 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=lint
Review URL: https://webrtc-codereview.appspot.com/931013

git-svn-id: http://libyuv.googlecode.com/svn/trunk@496 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/930022

git-svn-id: http://libyuv.googlecode.com/svn/trunk@495 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=./libyuv_unittest --gtest_filter=*ARGBScale*
Review URL: https://webrtc-codereview.appspot.com/964016

git-svn-id: http://libyuv.googlecode.com/svn/trunk@494 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/930020

git-svn-id: http://libyuv.googlecode.com/svn/trunk@493 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=156
TEST=./libyuv_unittest --gtest_filter=*ARGBScale*
Review URL: https://webrtc-codereview.appspot.com/930019

git-svn-id: http://libyuv.googlecode.com/svn/trunk@492 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=133
TEST=still builds
Review URL: https://webrtc-codereview.appspot.com/939020

git-svn-id: http://libyuv.googlecode.com/svn/trunk@491 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=153
TEST=none
Review URL: https://webrtc-codereview.appspot.com/934014

git-svn-id: http://libyuv.googlecode.com/svn/trunk@490 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/936023

git-svn-id: http://libyuv.googlecode.com/svn/trunk@489 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/937020

git-svn-id: http://libyuv.googlecode.com/svn/trunk@488 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=none

git-svn-id: http://libyuv.googlecode.com/svn/trunk@487 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/938014

git-svn-id: http://libyuv.googlecode.com/svn/trunk@486 16f28f9a-4ce2-e073-06de-1de4eb20be90

scale to 2x with bilinear subpixel accuracy specialized to have 1/4 and 3/4 scale factors FilterRow.
BUG=none
TEST=libyuvTest.I420ToI444_Any
Review URL: https://webrtc-codereview.appspot.com/965021

git-svn-id: http://libyuv.googlecode.com/svn/trunk@485 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/965020

git-svn-id: http://libyuv.googlecode.com/svn/trunk@484 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/966016

git-svn-id: http://libyuv.googlecode.com/svn/trunk@483 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/968004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@482 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=none
TEST=convert_test
Review URL: https://webrtc-codereview.appspot.com/965018

git-svn-id: http://libyuv.googlecode.com/svn/trunk@481 16f28f9a-4ce2-e073-06de-1de4eb20be90

BUG=148
TEST=sudo LIBYUV_REPEAT=1000 nice --5 ./libyuv_unittest --gtest_filter=*R*ToI4* | sed 's/\(.*(\)\([0-9]*\)\( ms)\)/\2 - \1\2\3/g' | sort -rn | grep ms
Review URL: https://webrtc-codereview.appspot.com/936020

git-svn-id: http://libyuv.googlecode.com/svn/trunk@480 16f28f9a-4ce2-e073-06de-1de4eb20be90