#!/bin/bash

if [ $# -eq 0 ]; then
    echo "No command line parameters are provided. Please enter '$0 -h' to view usage instructions."
    exit 1
fi

if test x"$1" = x"-h" -o x"$1" = x"--help"; then
cat <<EOF

Usage: ./configure [options]

Help:
    -h, --help                  print this message

Standard options:
    -x86_64                     编译x86_64平台的库文件
    -arm                        编译arm32平台的库文件
    -aarch64                    编译aarch64平台的库文件

EOF
exit 1
fi

OPENCV_BUILD_DIR=$(pwd)
PROJECT_ROOT_DIR="${OPENCV_BUILD_DIR}/../.."

# configure
if [[ x"$1" = x"-x86_64" ]];then
    if [ -d x86_64 ]; then
        rm -rf x86_64
    fi
    mkdir -p x86_64/install
    cd x86_64

    # 导出 x264 pkg-config 查找文件的环境变量
    export PKG_CONFIG_PATH=${PROJECT_ROOT_DIR}/thirdparty/x264_build/x86_64/install/lib/pkgconfig:$PKG_CONFIG_PATH
    export PKG_CONFIG_PATH=${PROJECT_ROOT_DIR}/thirdparty/ffmpeg_build/x86_64/install/lib/pkgconfig:$PKG_CONFIG_PATH

    cmake -DCMAKE_INSTALL_PREFIX=${OPENCV_BUILD_DIR}/x86_64/install \
        -DWITH_FFMPEG=ON \
        -DFFMPEG_INCLUDE_DIRS=${PROJECT_ROOT_DIR}/thirdparty/ffmpeg_build/x86_64/install/include \
        -DFFMPEG_LIBRARIES="${PROJECT_ROOT_DIR}/thirdparty/ffmpeg_build/x86_64/install/lib/libavcodec.a;${PROJECT_ROOT_DIR}/thirdparty/ffmpeg_build/x86_64/install/lib/libavformat.a;${PROJECT_ROOT_DIR}/thirdparty/ffmpeg_build/x86_64/install/lib/libavutil.a;${PROJECT_ROOT_DIR}/thirdparty/ffmpeg_build/x86_64/install/lib/libswscale.a" \
        -DWITH_X264=ON \
        -DX264_INCLUDE_DIR=${PROJECT_ROOT_DIR}/thirdparty/x264_build/x86_64/install/include \
        -DX264_LIBRARY=${PROJECT_ROOT_DIR}/thirdparty/x264_build/x86_64/install/lib/libx264.a \
        -DBUILD_SHARED_LIBS=OFF \
        -DOPENCV_FFMPEG_SKIP_BUILD_CHECK=ON \
        -DBUILD_EXAMPLES=OFF \
        -DBUILD_TESTS=OFF \
        -DBUILD_opencv_python2=OFF \
        -DBUILD_opencv_python3=OFF \
        -DBUILD_opencv_java=OFF  \
        -DWITH_GTK=ON \
        ../opencv/

    if [ $? -ne 0 ]; then
        echo "ffmpeg configure failed!"
        exit 1
    fi

    make -j8
    if [ $? -ne 0 ]; then
        echo "ffmpeg make failed!"
        exit 1
    fi

    make install
    if [ $? -ne 0 ]; then
        echo "ffmpeg make install failed!"
        exit 1
    fi

elif [[ x"$1" = x"-arm" ]];then
    echo "compile arm32"
elif [[ x"$1" = x"-aarch64" ]];then
    echo "compile arm64"
else
    echo "parameters error"
fi

if [ $? -ne 0 ];then
    echo "Exec configure failed!"
    exit 1
fi