Android在windows环境上面编译libyuv

gistfile1.txt

xxxx目录/
├─ build-libyuv.bat （编译脚本）
└─ libyuv-source/   （已下载的libyuv源码）

libyuv随便一个版本的详情页https://chromium.googlesource.com/libyuv/libyuv/+/96134e95a7468af63ff2ea74a85b0d6db2d2c25e

点击tgz下载源码，解压之后libyuv-xxx版本目录名然后改成libyuv-source

编译完成之后，源码里面的include目录就是头文件，使用cmake配置一下就可以用了。

build-libyuv.bat
```bat
@echo off
chcp 65001 > nul
setlocal enabledelayedexpansion

:: 颜色定义（避免ANSI转义码导致的乱码，改用简单文字提示）
set "RED=[错误] "
set "GREEN=[成功] "
set "YELLOW=[进度] "

:: 获取脚本所在目录的完整路径（解决路径问题）
set "SCRIPT_DIR=%~dp0"
set "SCRIPT_DIR=%SCRIPT_DIR:~0,-1%"

:: 检查依赖
echo %YELLOW%检查依赖...
where git >nul 2>nul || (echo %RED%需要安装Git && goto :error)
where cmake >nul 2>nul || (echo %RED%需要安装CMake && goto :error)
where ninja >nul 2>nul || (echo %RED%需要安装Ninja && goto :error)

:: 检查环境变量
if "%ANDROID_NDK_HOME%"=="" (
    echo %RED%请设置ANDROID_NDK_HOME环境变量
    goto :error
)

:: 检查源码目录
if not exist "%SCRIPT_DIR%\libyuv-source" (
    echo %RED%未找到libyuv-source目录，请确认源码位置正确
    goto :error
)

:: 定义变量
set "LIBYUV_SRC=%SCRIPT_DIR%\libyuv-source"
set "BUILD_DIR=%SCRIPT_DIR%\build-libyuv"
set "OUTPUT_DIR=%SCRIPT_DIR%\output"
set "ARCHS=armeabi-v7a arm64-v8a x86 x86_64"
set "MIN_SDK_VERSION=21"

:: 创建目录
echo %YELLOW%创建目录结构...
mkdir "%BUILD_DIR%" 2>nul
mkdir "%OUTPUT_DIR%" 2>nul
for %%a in (%ARCHS%) do mkdir "%BUILD_DIR%\%%a" 2>nul

:: 创建CMake配置文件
echo %YELLOW%创建CMake配置文件...
(
    echo cmake_minimum_required(VERSION 3.4.1)
    echo project(libyuv)
    echo.
    echo file(GLOB_RECURSE LIBYUV_SOURCES 
    echo     "${CMAKE_CURRENT_SOURCE_DIR}/source/*.cc"
    echo     "${CMAKE_CURRENT_SOURCE_DIR}/source/*.h")
    echo.
    echo list(FILTER LIBYUV_SOURCES EXCLUDE REGEX ".*_win.cc$")
    echo list(FILTER LIBYUV_SOURCES EXCLUDE REGEX ".*_mac.cc$")
    echo list(FILTER LIBYUV_SOURCES EXCLUDE REGEX ".*_linux.cc$")
    echo.
    echo include_directories(
    echo     ${CMAKE_CURRENT_SOURCE_DIR}/include
    echo     ${CMAKE_CURRENT_SOURCE_DIR}/source
    echo )
    echo.
    echo set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -fexceptions")
    echo add_library(libyuv STATIC ${LIBYUV_SOURCES})
    echo.
    echo set(LIBYUV_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/include PARENT_SCOPE)
    echo set(LIBYUV_LIBRARIES libyuv PARENT_SCOPE)
) > "%LIBYUV_SRC%\CMakeLists.txt"

:: 编译所有架构
echo %YELLOW%开始编译所有架构...
for %%a in (%ARCHS%) do (
    echo %YELLOW%编译 %%a 架构...
    mkdir "%BUILD_DIR%\%%a" 2>nul
    cd "%BUILD_DIR%\%%a"
    
    cmake -G "Ninja" ^
        -DCMAKE_TOOLCHAIN_FILE="%ANDROID_NDK_HOME%\build\cmake\android.toolchain.cmake" ^
        -DANDROID_ABI="%%a" ^
        -DANDROID_PLATFORM="android-%MIN_SDK_VERSION%" ^
        -DANDROID_STL="c++_shared" ^
        "%LIBYUV_SRC%" || (echo %RED%CMake配置失败: %%a && cd.. && goto :error)
    
    ninja || (echo %RED%编译失败: %%a && cd.. && goto :error)
    
    mkdir "%OUTPUT_DIR%\%%a" 2>nul
    copy libyuv.a "%OUTPUT_DIR%\%%a\" >nul
    
    cd..
)
echo %YELLOW%所有架构编译完成!

:: 完成
echo.
echo %GREEN%=============================================
echo %GREEN%libyuv编译完成!
echo %GREEN%输出文件位于: %OUTPUT_DIR%
echo %GREEN%=============================================

:: 暂停窗口，防止自动关闭
pause
exit /b 0

:error
echo.
echo %RED%编译过程中发生错误!
pause
exit /b 1
```