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Add comments for ARGBToUV_C and ARGBToUVJ_C

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ARGBToUV_C and ARGBToUVJ_C are generated functions with subtle
difference in rounding.  Adding comment to make them easier to find.

TBR=kjellander@chromium.org
BUG=libyuv:634
TEST=untested

Change-Id: I9912d256a1e04c58475d33bdb472c37484f6cab9
Reviewed-on: https://chromium-review.googlesource.com/434980
Reviewed-by: Frank Barchard <fbarchard@google.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
This commit is contained in:
Frank Barchard 2017-01-30 15:36:50 -08:00
parent 54f2094a5e
commit b89bcda273
2 changed files with 24 additions and 3 deletions
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25
docs/getting_started.md
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@ -212,14 +212,14 @@ Running test with C code:
Install cmake: http://www.cmake.org/
Default debug build:
### Default debug build:
mkdir out
cd out
cmake ..
cmake --build .
Release build/install
### Release build/install
mkdir out
cd out
@ -227,7 +227,7 @@ Release build/install
cmake --build . --config Release
sudo cmake --build . --target install --config Release
Release package
### Release package
mkdir out
cd out
@ -235,6 +235,25 @@ Release package
make -j4
make package
## Setup for Arm Cross compile
See also
https://www.ccoderun.ca/programming/2015-12-20_CrossCompiling/index.html#setup
sudo apt-get install ssh dkms build-essential linux-headers-generic
sudo apt-get install kdevelop cmake git subversion
sudo apt-get install graphviz doxygen doxygen-gui
sudo apt-get install manpages manpages-dev manpages-posix manpages-posix-dev
sudo apt-get install libboost-all-dev libboost-dev libssl-dev
sudo apt-get install rpm terminator fish
sudo apt-get install g++-arm-linux-gnueabihf gcc-arm-linux-gnueabihf
### Build psnr tool
cd util
arm-linux-gnueabihf-g++ psnr_main.cc psnr.cc ssim.cc -o psnr
arm-linux-gnueabihf-objdump -d psnr
## Running Unittests
### Windows

2
source/row_common.cc
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@ -314,6 +314,7 @@ static __inline int RGBToV(uint8 r, uint8 g, uint8 b) {
return (112 * r - 94 * g - 18 * b + 0x8080) >> 8;
}
// ARGBToY_C and ARGBToUV_C
#define MAKEROWY(NAME, R, G, B, BPP) \
void NAME##ToYRow_C(const uint8* src_argb0, uint8* dst_y, int width) { \
int x; \
@ -399,6 +400,7 @@ static __inline int RGBToVJ(uint8 r, uint8 g, uint8 b) {
#define AVGB(a, b) (((a) + (b) + 1) >> 1)
// ARGBToYJ_C and ARGBToUVJ_C
#define MAKEROWYJ(NAME, R, G, B, BPP) \
void NAME##ToYJRow_C(const uint8* src_argb0, uint8* dst_y, int width) { \
int x; \