285 lines
9.0 KiB
Markdown
285 lines
9.0 KiB
Markdown
# Getting Started
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How to get and build the libyuv code.
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## Pre-requisites
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You'll need to have depot tools installed: https://www.chromium.org/developers/how-tos/install-depot-tools
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Refer to chromium instructions for each platform for other prerequisites.
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## Getting the Code
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Create a working directory, enter it, and run:
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gclient config --name src https://chromium.googlesource.com/libyuv/libyuv
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gclient sync
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Then you'll get a .gclient file like:
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solutions = [
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{ "name" : "src",
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"url" : "https://chromium.googlesource.com/libyuv/libyuv",
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"deps_file" : "DEPS",
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"managed" : True,
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"custom_deps" : {
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},
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"safesync_url": "",
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},
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];
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For iOS add `;target_os=['ios'];` to your OSX .gclient and run `gclient sync.`
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Browse the Git reprository: https://chromium.googlesource.com/libyuv/libyuv/+/master
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### Android
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For Android add `;target_os=['android'];` to your Linux .gclient
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solutions = [
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{ "name" : "src",
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"url" : "https://chromium.googlesource.com/libyuv/libyuv",
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"deps_file" : "DEPS",
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"managed" : True,
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"custom_deps" : {
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},
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"safesync_url": "",
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},
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];
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target_os = ["android", "linux"];
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Then run:
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gclient sync
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To get just the source (not buildable):
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git clone https://chromium.googlesource.com/libyuv/libyuv
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## Building the Library and Unittests
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### Windows
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call gn gen out\Release "--args=is_debug=false target_cpu=\"x64\""
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call gn gen out\Debug "--args=is_debug=true target_cpu=\"x64\""
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ninja -v -C out\Release
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ninja -v -C out\Debug
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call gn gen out\Release "--args=is_debug=false target_cpu=\"x86\""
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call gn gen out\Debug "--args=is_debug=true target_cpu=\"x86\""
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ninja -v -C out\Release
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ninja -v -C out\Debug
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### macOS and Linux
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gn gen out/Release "--args=is_debug=false"
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gn gen out/Debug "--args=is_debug=true"
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ninja -v -C out/Release
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ninja -v -C out/Debug
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### Building Offical with GN
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gn gen out/Official "--args=is_debug=false is_official_build=true is_chrome_branded=true"
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ninja -C out/Official
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### iOS
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http://www.chromium.org/developers/how-tos/build-instructions-ios
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Add to .gclient last line: `target_os=['ios'];`
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arm64
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gn gen out/Release "--args=is_debug=false target_os=\"ios\" ios_enable_code_signing=false target_cpu=\"arm64\""
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gn gen out/Debug "--args=is_debug=true target_os=\"ios\" ios_enable_code_signing=false target_cpu=\"arm64\""
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ninja -v -C out/Debug libyuv_unittest
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ninja -v -C out/Release libyuv_unittest
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ios simulator
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gn gen out/Release "--args=is_debug=false target_os=\"ios\" ios_enable_code_signing=false use_xcode_clang=true target_cpu=\"x86\""
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gn gen out/Debug "--args=is_debug=true target_os=\"ios\" ios_enable_code_signing=false use_xcode_clang=true target_cpu=\"x86\""
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ninja -v -C out/Debug libyuv_unittest
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ninja -v -C out/Release libyuv_unittest
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ios disassembly
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otool -tV ./out/Release/obj/libyuv_neon/row_neon64.o >row_neon64.txt
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### Android
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https://code.google.com/p/chromium/wiki/AndroidBuildInstructions
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Add to .gclient last line: `target_os=['android'];`
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arm64
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gn gen out/Release "--args=is_debug=false target_os=\"android\" target_cpu=\"arm64\""
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gn gen out/Debug "--args=is_debug=true target_os=\"android\" target_cpu=\"arm64\""
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ninja -v -C out/Debug libyuv_unittest
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ninja -v -C out/Release libyuv_unittest
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armv7
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gn gen out/Release "--args=is_debug=false target_os=\"android\" target_cpu=\"arm\""
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gn gen out/Debug "--args=is_debug=true target_os=\"android\" target_cpu=\"arm\""
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ninja -v -C out/Debug libyuv_unittest
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ninja -v -C out/Release libyuv_unittest
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ia32
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gn gen out/Release "--args=is_debug=false target_os=\"android\" target_cpu=\"x86\""
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gn gen out/Debug "--args=is_debug=true target_os=\"android\" target_cpu=\"x86\""
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ninja -v -C out/Debug libyuv_unittest
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ninja -v -C out/Release libyuv_unittest
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mips
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gn gen out/Release "--args=is_debug=false target_os=\"android\" target_cpu=\"mips64el\" mips_arch_variant=\"r6\" mips_use_msa=true is_component_build=true"
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gn gen out/Debug "--args=is_debug=true target_os=\"android\" target_cpu=\"mips64el\" mips_arch_variant=\"r6\" mips_use_msa=true is_component_build=true"
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ninja -v -C out/Debug libyuv_unittest
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ninja -v -C out/Release libyuv_unittest
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arm disassembly:
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third_party/android_ndk/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64/bin/aarch64-linux-android-objdump -d ./out/Release/obj/libyuv/row_common.o >row_common.txt
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third_party/android_ndk/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64/bin/aarch64-linux-android-objdump -d ./out/Release/obj/libyuv_neon/row_neon.o >row_neon.txt
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third_party/android_ndk/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64/bin/aarch64-linux-android-objdump -d ./out/Release/obj/libyuv_neon/row_neon64.o >row_neon64.txt
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Caveat: Disassembly may require optimize_max be disabled in BUILD.gn
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Running tests:
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out/Release/bin/run_libyuv_unittest -vv --gtest_filter=*
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Running test as benchmark:
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out/Release/bin/run_libyuv_unittest -vv --gtest_filter=* --libyuv_width=1280 --libyuv_height=720 --libyuv_repeat=999 --libyuv_flags=-1 --libyuv_cpu_info=-1
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Running test with C code:
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out/Release/bin/run_libyuv_unittest -vv --gtest_filter=* --libyuv_width=1280 --libyuv_height=720 --libyuv_repeat=999 --libyuv_flags=1 --libyuv_cpu_info=1
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### Build targets
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ninja -C out/Debug libyuv
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ninja -C out/Debug libyuv_unittest
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ninja -C out/Debug compare
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ninja -C out/Debug yuvconvert
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ninja -C out/Debug psnr
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ninja -C out/Debug cpuid
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### ARM Linux
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gn gen out/Release "--args=is_debug=false target_cpu=\"arm64\""
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gn gen out/Debug "--args=is_debug=true target_cpu=\"arm64\""
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ninja -v -C out/Debug libyuv_unittest
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ninja -v -C out/Release libyuv_unittest
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### MIPS Linux
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mips
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gn gen out/Release "--args=is_debug=false target_os=\"linux\" target_cpu=\"mips64el\" mips_arch_variant=\"loongson3\" mips_use_mmi=true is_component_build=false use_sysroot=false use_gold=false"
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gn gen out/Debug "--args=is_debug=true target_os=\"linux\" target_cpu=\"mips64el\" mips_arch_variant=\"loongson3\" mips_use_mmi=true is_component_build=false use_sysroot=false use_gold=false"
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ninja -v -C out/Debug libyuv_unittest
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ninja -v -C out/Release libyuv_unittest
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## Building the Library with make
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### Linux
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make V=1 -f linux.mk
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make V=1 -f linux.mk clean
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make V=1 -f linux.mk CXX=clang++
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## Building the library with cmake
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Install cmake: http://www.cmake.org/
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### Default debug build:
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mkdir out
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cd out
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cmake ..
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cmake --build .
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### Release build/install
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mkdir out
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cd out
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cmake -DCMAKE_INSTALL_PREFIX="/usr/lib" -DCMAKE_BUILD_TYPE="Release" ..
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cmake --build . --config Release
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sudo cmake --build . --target install --config Release
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### Build RPM/DEB packages
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mkdir out
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cd out
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cmake -DCMAKE_BUILD_TYPE=Release ..
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make -j4
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make package
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## Setup for Arm Cross compile
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See also https://www.ccoderun.ca/programming/2015-12-20_CrossCompiling/index.html
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sudo apt-get install ssh dkms build-essential linux-headers-generic
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sudo apt-get install kdevelop cmake git subversion
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sudo apt-get install graphviz doxygen doxygen-gui
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sudo apt-get install manpages manpages-dev manpages-posix manpages-posix-dev
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sudo apt-get install libboost-all-dev libboost-dev libssl-dev
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sudo apt-get install rpm terminator fish
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sudo apt-get install g++-arm-linux-gnueabihf gcc-arm-linux-gnueabihf
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### Build psnr tool
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cd util
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arm-linux-gnueabihf-g++ psnr_main.cc psnr.cc ssim.cc -o psnr
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arm-linux-gnueabihf-objdump -d psnr
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## Running Unittests
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### Windows
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out\Release\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter="*"
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### macOS and Linux
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out/Release/libyuv_unittest --gtest_filter="*"
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Replace --gtest_filter="*" with specific unittest to run. May include wildcards.
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out/Release/libyuv_unittest --gtest_filter=*I420ToARGB_Opt
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## CPU Emulator tools
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### Intel SDE (Software Development Emulator)
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Pre-requisite: Install IntelSDE: http://software.intel.com/en-us/articles/intel-software-development-emulator
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Then run:
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c:\intelsde\sde -hsw -- out\Release\libyuv_unittest.exe --gtest_filter=*
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~/intelsde/sde -skx -- out/Release/libyuv_unittest --gtest_filter=**I420ToARGB_Opt
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### Intel Architecture Code Analyzer
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Inset these 2 macros into assembly code to be analyzed:
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IACA_ASM_START
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IACA_ASM_END
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Build the code as usual, then run iaca on the object file.
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~/iaca-lin64/bin/iaca.sh -reduceout -arch HSW out/Release/obj/libyuv_internal/compare_gcc.o
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## Sanitizers
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gn gen out/Release "--args=is_debug=false is_msan=true"
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ninja -v -C out/Release
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Sanitizers available: asan, msan, tsan, ubsan, lsan, ubsan_vptr
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### Running Dr Memory memcheck for Windows
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Pre-requisite: Install Dr Memory for Windows and add it to your path: http://www.drmemory.org/docs/page_install_windows.html
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drmemory out\Debug\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=*
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