#!/bin/bash

# variables, parent script must set it:
# SRS_JOBS: the build jobs.
# SrsArmMakeOptions: the arm make options for ubuntu12(armhf, v7cpu)

#####################################################################################
#####################################################################################
# prepare the depends tools and libraries
# DEPENDS: options.sh, only when user options parsed, the depends tools are known.
#####################################################################################
#####################################################################################

#####################################################################################
# utilities
#####################################################################################
function require_sudoer() {
    sudo echo "" >/dev/null 2>&1
    
    ret=$?; if [[ 0 -ne $ret ]]; then 
        echo "\"$1\" require sudoer failed. ret=$ret";
        exit $ret; 
    fi
}

#####################################################################################
# for Ubuntu, auto install tools by apt-get
#####################################################################################
function Ubuntu_prepare() {
    if [[ $OS_IS_UBUNTU != YES ]]; then return 0; fi
    echo "Installing tools for Ubuntu."
    
    gcc --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing gcc."
        require_sudoer "sudo apt-get install -y --force-yes gcc"
        sudo apt-get install -y --force-yes gcc; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The gcc is installed."
    fi
    
    g++ --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing g++."
        require_sudoer "sudo apt-get install -y --force-yes g++"
        sudo apt-get install -y --force-yes g++; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The g++ is installed."
    fi
    
    make --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing make."
        require_sudoer "sudo apt-get install -y --force-yes make"
        sudo apt-get install -y --force-yes make; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The make is installed."
    fi
    
    patch --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing patch."
        require_sudoer "sudo apt-get install -y --force-yes patch"
        sudo apt-get install -y --force-yes patch; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The patch is installed."
    fi
    
    unzip --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing unzip."
        require_sudoer "sudo apt-get install -y --force-yes unzip"
        sudo apt-get install -y --force-yes unzip; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The unzip is installed."
    fi

    if [[ $SRS_VALGRIND == YES ]]; then
        valgrind --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
            echo "Installing valgrind."
            require_sudoer "sudo apt-get install -y --force-yes valgrind"
            sudo apt-get install -y --force-yes valgrind; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
            echo "The valgrind is installed."
        fi
    fi

    if [[ $SRS_VALGRIND == YES ]]; then
        if [[ ! -f /usr/include/valgrind/valgrind.h ]]; then
            echo "Installing valgrind-dev."
            require_sudoer "sudo apt-get install -y --force-yes valgrind-dbg"
            sudo apt-get install -y --force-yes valgrind-dev; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
            echo "The valgrind-dev is installed."
        fi
    fi

    if [[ $SRS_SRT == YES ]]; then
        echo "SRT enable, install depend tools"
        tclsh <<< "exit" >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
            echo "Installing tcl."
            require_sudoer "sudo apt-get install -y --force-yes tcl"
            sudo apt-get install -y --force-yes tcl; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
            echo "The tcl is installed."
        fi

        cmake --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
            echo "Installing cmake."
            require_sudoer "sudo apt-get install -y --force-yes cmake"
            sudo apt-get install -y --force-yes cmake; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
            echo "The cmake is installed."
        fi
    fi

    pkg-config --version >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing pkg-config."
        require_sudoer "sudo apt-get install -y --force-yes pkg-config"
        sudo apt-get install -y --force-yes pkg-config; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The pkg-config is installed."
    fi

    echo "Tools for Ubuntu are installed."
    return 0
}
# donot prepare tools, for srs-librtmp depends only gcc and g++.
Ubuntu_prepare; ret=$?; if [[ 0 -ne $ret ]]; then echo "Install tools for ubuntu failed, ret=$ret"; exit $ret; fi

#####################################################################################
# for Centos, auto install tools by yum
#####################################################################################
function Centos_prepare() {
    if [[ $OS_IS_CENTOS != YES ]]; then return 0; fi
    echo "Installing tools for Centos."
    
    gcc --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing gcc."
        require_sudoer "sudo yum install -y gcc"
        sudo yum install -y gcc; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The gcc is installed."
    fi
    
    g++ --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing gcc-c++."
        require_sudoer "sudo yum install -y gcc-c++"
        sudo yum install -y gcc-c++; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The gcc-c++ is installed."
    fi
    
    make --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing make."
        require_sudoer "sudo yum install -y make"
        sudo yum install -y make; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The make is installed."
    fi
    
    patch --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing patch."
        require_sudoer "sudo yum install -y patch"
        sudo yum install -y patch; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The patch is installed."
    fi
    
    unzip --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Installing unzip."
        require_sudoer "sudo yum install -y unzip"
        sudo yum install -y unzip; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "The unzip is installed."
    fi

    if [[ $SRS_VALGRIND == YES ]]; then
        valgrind --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
            echo "Installing valgrind."
            require_sudoer "sudo yum install -y valgrind"
            sudo yum install -y valgrind; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
            echo "The valgrind is installed."
        fi
    fi

    if [[ $SRS_VALGRIND == YES ]]; then
        if [[ ! -f /usr/include/valgrind/valgrind.h ]]; then
            echo "Installing valgrind-devel."
            require_sudoer "sudo yum install -y valgrind-devel"
            sudo yum install -y valgrind-devel; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
            echo "The valgrind-devel is installed."
        fi
    fi

    if [[ $SRS_SRT == YES ]]; then
        echo "SRT enable, install depend tools"
        tclsh <<< "exit" >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
            echo "Installing tcl."
            require_sudoer "sudo yum install -y tcl"
            sudo yum install -y tcl; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
            echo "The tcl is installed."
        fi

        cmake --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
            echo "Installing cmake."
            require_sudoer "sudo  yum install -y cmake"
            sudo yum install -y cmake; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
            echo "The cmake is installed."
        fi
    fi

    pkg-config --version --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Please install pkg-config"; exit -1;
    fi
    
    echo "Tools for Centos are installed."
    return 0
}
# donot prepare tools, for srs-librtmp depends only gcc and g++.
Centos_prepare; ret=$?; if [[ 0 -ne $ret ]]; then echo "Install tools for CentOS failed, ret=$ret"; exit $ret; fi

#####################################################################################
# For OSX, auto install tools by brew
#####################################################################################
function OSX_prepare() {
    if [[ $OS_IS_OSX != YES ]]; then
        if [[ $SRS_OSX == YES ]]; then echo "OSX check failed, actual is `uname -s`"; exit 1; fi
        return 0
    fi

    # cross build for arm, install the cross build tool chain.
    if [[ $SRS_CROSS_BUILD == YES ]]; then
        echo "The embeded(arm/mips) is invalid for OSX"
        return 1
    fi

    # Requires the osx when darwin detected
    if [[ $OS_IS_OSX == YES && $SRS_OSX != YES ]]; then
        echo "OSX detected, please use: ./configure --osx"
        exit 1
    fi

    echo "OSX detected, install tools if needed"

    brew --version >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Please install brew at https://brew.sh/"
        exit $ret
    fi

    gcc --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "install gcc"
        echo "brew install gcc"
        brew install gcc; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "install gcc success"
    fi

    g++ --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "install gcc-c++"
        echo "brew install gcc-c++"
        brew install gcc-c++; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "install gcc-c++ success"
    fi

    make --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "install make"
        echo "brew install make"
        brew install make; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "install make success"
    fi

    patch --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "install patch"
        echo "brew install patch"
        brew install patch; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "install patch success"
    fi

    unzip --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "install unzip"
        echo "brew install unzip"
        brew install unzip; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
        echo "install unzip success"
    fi

    pkg-config --version >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
        echo "Please install pkg-config"; exit -1;
    fi

    if [[ $SRS_SRT == YES ]]; then
        echo "SRT enable, install depend tools"
        tclsh <<< "exit" >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
            echo "Installing tcl."
            echo "brew install tcl."
            brew install tcl; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
            echo "install tcl success"
        fi

        cmake --help >/dev/null 2>&1; ret=$?; if [[ 0 -ne $ret ]]; then
            echo "Installing cmake."
            echo "brew install cmake."
            brew install cmake; ret=$?; if [[ 0 -ne $ret ]]; then return $ret; fi
            echo "install cmake success"
        fi
    fi

    echo "OSX install tools success"
    return 0
}
# donot prepare tools, for srs-librtmp depends only gcc and g++.
OSX_prepare; ret=$?; if [[ 0 -ne $ret ]]; then echo "OSX prepare failed, ret=$ret"; exit $ret; fi

#####################################################################################
# Check OS and CPU architectures.
#####################################################################################
if [[ $OS_IS_UBUNTU != YES && $OS_IS_CENTOS != YES && $OS_IS_OSX != YES && $SRS_CROSS_BUILD != YES && $SRS_CYGWIN64 != YES ]]; then
    echo "Your OS `uname -s` is not supported."
    exit 1
fi

# The absolute path of SRS_OBJS, for prefix and PKG_CONFIG_PATH
SRS_DEPENDS_LIBS=$(mkdir -p $SRS_OBJS && cd $SRS_OBJS && pwd)
echo -n "SRS_JOBS: $SRS_JOBS, SRS_DEPENDS_LIBS: ${SRS_DEPENDS_LIBS}"
if [[ ! -z $OS_IS_LINUX ]]; then echo -n ", OS_IS_LINUX: $OS_IS_LINUX"; fi
if [[ ! -z $OS_IS_OSX ]]; then echo -n ", OS_IS_OSX: $OS_IS_OSX"; fi
if [[ ! -z $OS_IS_CYGWIN ]]; then echo -n ", OS_IS_CYGWIN: $OS_IS_CYGWIN"; fi
if [[ ! -z $OS_IS_UBUNTU ]]; then echo -n ", OS_IS_UBUNTU: $OS_IS_UBUNTU"; fi
if [[ ! -z $OS_IS_CENTOS ]]; then echo -n ", OS_IS_CENTOS: $OS_IS_CENTOS"; fi
if [[ ! -z $SRS_CROSS_BUILD ]]; then echo -n ", SRS_CROSS_BUILD: $SRS_CROSS_BUILD"; fi
if [[ ! -z $OS_IS_LOONGARCH64 ]]; then echo -n ", OS_IS_LOONGARCH64: $OS_IS_LOONGARCH64"; fi
if [[ ! -z $OS_IS_MIPS64 ]]; then echo -n ", OS_IS_MIPS64: $OS_IS_MIPS64"; fi
if [[ ! -z $OS_IS_LOONGSON ]]; then echo -n ", OS_IS_LOONGSON: $OS_IS_LOONGSON"; fi
if [[ ! -z $OS_IS_X86_64 ]]; then echo -n ", OS_IS_X86_64: $OS_IS_X86_64"; fi
if [[ ! -z $OS_IS_RISCV ]]; then echo -n ", OS_IS_RISCV: $OS_IS_RISCV"; fi
echo ""

#####################################################################################
# Try to load cache if exists /usr/local/srs-cache
#####################################################################################
# Use srs-cache from base image. See https://github.com/ossrs/dev-docker/blob/ubuntu20-cache/Dockerfile
# Note that the cache for cygwin is not under /usr/local, but copy to objs instead.
if [[ -d /usr/local/srs-cache/srs/trunk/objs && $(pwd) != "/usr/local/srs-cache/srs/trunk" ]]; then
    SOURCE_DIR=$(ls -d /usr/local/srs-cache/srs/trunk/objs/Platform-* 2>/dev/null|head -n 1)
    if [[ -d $SOURCE_DIR ]]; then
        TARGET_DIR=${SRS_OBJS}/${SRS_PLATFORM} &&
        echo "Build from cache, source=$SOURCE_DIR, target=$TARGET_DIR" &&
        rm -rf $TARGET_DIR && mkdir -p ${SRS_OBJS} && cp -R $SOURCE_DIR $TARGET_DIR &&
        du -sh /usr/local/srs-cache/srs/trunk/objs/Platform-* &&
        du -sh /usr/local/srs-cache/srs/trunk/objs/Platform-*/* &&
        du -sh objs/Platform-* &&
        ls -lh objs
    fi
fi

#####################################################################################
# state-threads
#####################################################################################
# check the cross build flag file, if flag changed, need to rebuild the st.
_ST_MAKE=linux-debug && _ST_OBJ="LINUX_`uname -r`_DBG"
# Always alloc on heap, @see https://github.com/ossrs/srs/issues/509#issuecomment-719931676
_ST_EXTRA_CFLAGS="-DMALLOC_STACK"
# For valgrind to detect memory issues.
if [[ $SRS_VALGRIND == YES ]]; then
    _ST_EXTRA_CFLAGS="$_ST_EXTRA_CFLAGS -DMD_VALGRIND"
fi
# for osx, use darwin for st, donot use epoll.
if [[ $SRS_OSX == YES ]]; then
    _ST_MAKE=darwin-debug && _ST_OBJ="DARWIN_`uname -r`_DBG"
fi
# for windows/cygwin
if [[ $SRS_CYGWIN64 = YES ]]; then
    _ST_MAKE=cygwin64-debug && _ST_OBJ="CYGWIN64_`uname -s`_DBG"
fi
# For Ubuntu, the epoll detection might be fail.
if [[ $OS_IS_UBUNTU == YES ]]; then
    _ST_EXTRA_CFLAGS="$_ST_EXTRA_CFLAGS -DMD_HAVE_EPOLL"
fi
# Whether enable debug stats.
if [[ $SRS_DEBUG_STATS == YES ]]; then
    _ST_EXTRA_CFLAGS="$_ST_EXTRA_CFLAGS -DDEBUG_STATS"
fi
# Pass the global extra flags.
if [[ $SRS_EXTRA_FLAGS != '' ]]; then
    _ST_EXTRA_CFLAGS="$_ST_EXTRA_CFLAGS $SRS_EXTRA_FLAGS"
fi
# Whether link as .so
if [[ $SRS_SHARED_ST == YES ]]; then
  _ST_STATIC_ONLY=no;
else
  _ST_STATIC_ONLY=yes;
fi
# The final args to make st.
_ST_MAKE_ARGS="${_ST_MAKE} STATIC_ONLY=${_ST_STATIC_ONLY}"
_ST_MAKE_ARGS="${_ST_MAKE_ARGS} CC=${SRS_TOOL_CC} AR=${SRS_TOOL_AR} LD=${SRS_TOOL_LD} RANDLIB=${SRS_TOOL_RANDLIB}"
# Patched ST from https://github.com/ossrs/state-threads/tree/srs
if [[ -f ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/st/libst.a ]]; then
    rm -rf ${SRS_OBJS}/st && cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/st ${SRS_OBJS}/ &&
    echo "The state-threads is ok."
else
    echo "Building state-threads." &&
    rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/st-srs ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/st ${SRS_OBJS}/st &&
    cp -rf ${SRS_WORKDIR}/3rdparty/st-srs ${SRS_OBJS}/${SRS_PLATFORM}/ &&
    env EXTRA_CFLAGS="${_ST_EXTRA_CFLAGS}" make -C ${SRS_OBJS}/${SRS_PLATFORM}/st-srs ${_ST_MAKE_ARGS} &&
    mkdir -p ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/st &&
    cp -f ${SRS_OBJS}/${SRS_PLATFORM}/st-srs/${_ST_OBJ}/st.h ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/st/ &&
    cp -f ${SRS_OBJS}/${SRS_PLATFORM}/st-srs/${_ST_OBJ}/libst.a ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/st/ &&
    cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/st ${SRS_OBJS}/ &&
    echo "The state-threads is ok."
fi
# check status
ret=$?; if [[ $ret -ne 0 ]]; then echo "Build state-threads failed, ret=$ret"; exit $ret; fi

#####################################################################################
# nginx for HLS, nginx-1.5.0
#####################################################################################
function write_nginx_html5()
{
    cat<<END > ${html_file}
<video width="100%" autoplay controls autobuffer type="application/vnd.apple.mpegurl"
    src="${hls_stream}">
</video>
END
}
# create the nginx dir, for http-server if not build nginx
mkdir -p ${SRS_OBJS}/nginx

# the demo dir.
# create forward dir
mkdir -p ${SRS_OBJS}/nginx/html/live &&
html_file=${SRS_OBJS}/nginx/html/live/livestream.html && hls_stream=livestream.m3u8 && write_nginx_html5 &&

# copy players to nginx html dir.
rm -rf ${SRS_OBJS}/nginx/html/players &&
cp -rf $SRS_WORKDIR/research/players ${SRS_OBJS}/nginx/html/ &&

# for favicon.ico
rm -rf ${SRS_OBJS}/nginx/html/favicon.ico &&
cp -f $SRS_WORKDIR/research/api-server/static-dir/favicon.ico ${SRS_OBJS}/nginx/html/favicon.ico &&

# For srs-console.
rm -rf ${SRS_OBJS}/nginx/html/console &&
cp -rf $SRS_WORKDIR/research/console ${SRS_OBJS}/nginx/html/ &&

# For SRS signaling.
rm -rf ${SRS_OBJS}/nginx/html/demos &&
cp -rf $SRS_WORKDIR/3rdparty/signaling/www/demos ${SRS_OBJS}/nginx/html/ &&

# For home page index.html
rm -rf ${SRS_OBJS}/nginx/html/index.html &&
cp -f $SRS_WORKDIR/research/api-server/static-dir/index.html ${SRS_OBJS}/nginx/html/index.html &&

# nginx.html to detect whether nginx is alive
echo "Nginx is ok." > ${SRS_OBJS}/nginx/html/nginx.html

# check status
ret=$?; if [[ $ret -ne 0 ]]; then echo "Build web pages failed, ret=$ret"; exit $ret; fi

#####################################################################################
# Generate default self-sign certificate for HTTPS server, test only.
#####################################################################################
if [[ ! -f $SRS_WORKDIR/conf/server.key || ! -f $SRS_WORKDIR/conf/server.crt ]]; then
    openssl genrsa -out $SRS_WORKDIR/conf/server.key 2048 &&
    openssl req -new -x509 -key $SRS_WORKDIR/conf/server.key -out $SRS_WORKDIR/conf/server.crt -days 3650 \
        -subj "/C=CN/ST=Beijing/L=Beijing/O=Me/OU=Me/CN=ossrs.net" &&
    echo "Generate test-only self-sign certificate files"
fi

#####################################################################################
# cherrypy for http hooks callback, CherryPy-3.2.4
#####################################################################################
# TODO: FIXME: Replace by Go.
if [[ $SRS_CHERRYPY == YES ]]; then
    # Detect python or python2
    python --version >/dev/null 2>&1 && SYS_PYTHON=python;
    python2 --version >/dev/null 2>&1 && SYS_PYTHON=python2;
    # Install cherrypy for api server.
    if [[ -f ${SRS_OBJS}/${SRS_PLATFORM}/CherryPy-3.2.4/setup.py ]]; then
        echo "CherryPy-3.2.4 is ok.";
    else
        echo "Installing CherryPy-3.2.4";
        (
            rm -rf ${SRS_OBJS}/CherryPy-3.2.4 && cd ${SRS_OBJS}/${SRS_PLATFORM} &&
            unzip -q ../../3rdparty/CherryPy-3.2.4.zip && cd CherryPy-3.2.4 &&
            $SYS_PYTHON setup.py install --user --prefix=''
        )
    fi
    # check status
    ret=$?; if [[ $ret -ne 0 ]]; then echo "build CherryPy-3.2.4 failed, ret=$ret"; exit $ret; fi
    if [ ! -f ${SRS_OBJS}/${SRS_PLATFORM}/CherryPy-3.2.4/setup.py ]; then echo "build CherryPy-3.2.4 failed."; exit -1; fi

    echo "Link players to cherrypy static-dir"
    rm -rf research/api-server/static-dir/players &&
    ln -sf $SRS_WORKDIR/research/players research/api-server/static-dir/players &&
    rm -rf research/api-server/static-dir/live &&
    mkdir -p $SRS_WORKDIR/${SRS_OBJS}/nginx/html/live &&
    ln -sf $SRS_WORKDIR/${SRS_OBJS}/nginx/html/live research/api-server/static-dir/live &&
    rm -rf research/api-server/static-dir/forward &&
    mkdir -p $SRS_WORKDIR/${SRS_OBJS}/nginx/html/forward &&
    ln -sf $SRS_WORKDIR/${SRS_OBJS}/nginx/html/forward research/api-server/static-dir/forward
    ret=$?; if [[ $ret -ne 0 ]]; then echo "Warning: Ignore error to link players to cherrypy static-dir."; fi
fi

#####################################################################################
# openssl, for rtmp complex handshake and HLS encryption.
#####################################################################################
if [[ $SRS_SSL == YES && $SRS_USE_SYS_SSL == YES ]]; then
    echo "Warning: Use system libssl, without compiling openssl."
fi
# @see http://www.openssl.org/news/secadv/20140407.txt
# Affected users should upgrade to OpenSSL 1.1.0e. Users unable to immediately
# upgrade can alternatively recompile OpenSSL with -DOPENSSL_NO_HEARTBEATS.
if [[ $SRS_SSL == YES && $SRS_USE_SYS_SSL != YES ]]; then
    OPENSSL_OPTIONS="-no-shared -no-threads -DOPENSSL_NO_HEARTBEATS"
    OPENSSL_CONFIG="./config"
    # https://stackoverflow.com/questions/15539062/cross-compiling-of-openssl-for-linux-arm-v5te-linux-gnueabi-toolchain
    if [[ $SRS_CROSS_BUILD == YES ]]; then
        OPENSSL_CONFIG="./Configure linux-generic32"
        if [[ $SRS_CROSS_BUILD_ARCH == "arm" ]]; then OPENSSL_CONFIG="./Configure linux-armv4"; fi
        if [[ $SRS_CROSS_BUILD_ARCH == "aarch64" ]]; then OPENSSL_CONFIG="./Configure linux-aarch64"; fi
        if [[ $SRS_CROSS_BUILD_ARCH == "mipsel" ]]; then OPENSSL_CONFIG="./Configure linux-mips32"; fi
    elif [[ ! -f ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/openssl/lib/libssl.a ]]; then
        # Try to use exists libraries.
        if [[ -f /usr/local/ssl/lib/libssl.a && $SRS_SSL_LOCAL == NO ]]; then
            (mkdir -p  ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/openssl/lib && cd ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/openssl/lib &&
                cp /usr/local/ssl/lib/libssl.a . && cp /usr/local/ssl/lib/libcrypto.a . &&
                mkdir -p /usr/local/ssl/lib/pkgconfig && cp -rf /usr/local/ssl/lib/pkgconfig .)
            (mkdir -p ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/openssl/include && cd ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/openssl/include &&
                cp -rf /usr/local/ssl/include/openssl .)
        fi
        # Warning if not use the system ssl.
        if [[ -f /usr/local/ssl/lib/libssl.a && $SRS_SSL_LOCAL == YES ]]; then
            echo "Warning: Local openssl is on, ignore system openssl"
        fi
    fi
    # Patch for loongarch mips64, disable ASM for build failed message as bellow:
    #       Error: opcode not supported on this processor: mips3 (mips3)
    if [[ $OS_IS_MIPS64 == YES ]]; then OPENSSL_CONFIG="./Configure linux64-mips64"; fi
    if [[ $OS_IS_LOONGSON == YES ]]; then OPENSSL_OPTIONS="$OPENSSL_OPTIONS -no-asm"; fi
    # For RTC, we should use ASM to improve performance, not a little improving.
    if [[ $SRS_RTC == NO || $SRS_NASM == NO ]]; then
        OPENSSL_OPTIONS="$OPENSSL_OPTIONS -no-asm"
        echo "Warning: NASM is off, performance is hurt"
    fi
    # Mac OS X can have issues (its often a neglected platform).
    # @see https://wiki.openssl.org/index.php/Compilation_and_Installation
    if [[ $SRS_OSX == YES ]]; then
        export KERNEL_BITS=64;
    fi
    # Use 1.0 if required.
    if [[ $SRS_SSL_1_0 == YES ]]; then
        OPENSSL_AR="$SRS_TOOL_AR -r" # For openssl 1.0, MUST specifies the args for ar or build faild.
        OPENSSL_CANDIDATE="openssl-OpenSSL_1_0_2u" &&
        OPENSSL_UNZIP="tar xf ${SRS_WORKDIR}/3rdparty/$OPENSSL_CANDIDATE.tar.gz -C ${SRS_OBJS}/${SRS_PLATFORM}"
    else
        OPENSSL_AR="$SRS_TOOL_AR"
        OPENSSL_CANDIDATE="openssl-1.1-fit" &&
        OPENSSL_UNZIP="cp -R ${SRS_WORKDIR}/3rdparty/$OPENSSL_CANDIDATE ${SRS_OBJS}/${SRS_PLATFORM}/"
    fi
    #
    # https://wiki.openssl.org/index.php/Compilation_and_Installation#Configure_Options
    # Already defined: -no-shared -no-threads -no-asm
    # Should enable:  -no-dtls -no-dtls1 -no-ssl3
    # Might able to disable: -no-ssl2 -no-comp -no-idea -no-hw -no-engine -no-dso -no-err -no-nextprotoneg -no-psk -no-srp -no-ec2m -no-weak-ssl-ciphers
    # Note that we do not disable more features, because no file could be removed.
    #OPENSSL_OPTIONS="$OPENSSL_OPTIONS -no-ssl2 -no-comp -no-idea -no-hw -no-engine -no-dso -no-err -no-nextprotoneg -no-psk -no-srp -no-ec2m -no-weak-ssl-ciphers"
    #
    # cross build not specified, if exists flag, need to rebuild for no-arm platform.
    if [[ -f ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/openssl/lib/libssl.a ]]; then
        rm -rf ${SRS_OBJS}/openssl && cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/openssl ${SRS_OBJS}/ &&
        echo "The $OPENSSL_CANDIDATE is ok."
    else
        echo "Building $OPENSSL_CANDIDATE." &&
        rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/${OPENSSL_CANDIDATE} ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/openssl \
            ${SRS_OBJS}/openssl &&
        ${OPENSSL_UNZIP} &&
        (
            cd ${SRS_OBJS}/${SRS_PLATFORM}/${OPENSSL_CANDIDATE} &&
            ${OPENSSL_CONFIG} --prefix=${SRS_DEPENDS_LIBS}/${SRS_PLATFORM}/3rdpatry/openssl $OPENSSL_OPTIONS
        ) &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/${OPENSSL_CANDIDATE} CC=${SRS_TOOL_CC} AR="${OPENSSL_AR}" \
            LD=${SRS_TOOL_LD} RANDLIB=${SRS_TOOL_RANDLIB} ${SRS_JOBS} &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/${OPENSSL_CANDIDATE} install_sw &&
        cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/openssl ${SRS_OBJS}/ &&
        echo "The $OPENSSL_CANDIDATE is ok."
    fi
    # check status
    ret=$?; if [[ $ret -ne 0 ]]; then echo "Build $OPENSSL_CANDIDATE failed, ret=$ret"; exit $ret; fi
fi

#####################################################################################
# srtp
#####################################################################################
if [[ $SRS_RTC == YES ]]; then
    SRTP_OPTIONS=""
    # To eliminate warnings, see https://stackoverflow.com/a/34208904/17679565
    #       was built for newer macOS version (11.6) than being linked (11.0)
    if [[ $SRS_OSX == YES ]]; then
        export MACOSX_DEPLOYMENT_TARGET=11.0
        echo "Set MACOSX_DEPLOYMENT_TARGET to avoid warnings"
    fi
    # If use ASM for SRTP, we enable openssl(with ASM).
    if [[ $SRS_SRTP_ASM == YES ]]; then
        SRTP_OPTIONS="--enable-openssl"
        SRTP_CONFIGURE="env PKG_CONFIG_PATH=${SRS_DEPENDS_LIBS}/openssl/lib/pkgconfig ./configure"
    else
        SRTP_OPTIONS="--disable-openssl"
        SRTP_CONFIGURE="./configure"
    fi
    if [[ $SRS_CROSS_BUILD == YES ]]; then
        SRTP_OPTIONS="$SRTP_OPTIONS --host=$SRS_CROSS_BUILD_HOST"
    fi
    if [[ $OS_IS_LOONGARCH64 == YES ]]; then
        SRTP_OPTIONS="$SRTP_OPTIONS --build=loongarch64-unknown-linux-gnu"
    fi
    # Copy and patch source files, then build and install libsrtp.
    if [[ -f ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srtp2/lib/libsrtp2.a ]]; then
        rm -rf ${SRS_OBJS}/srtp2 &&
        cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srtp2 ${SRS_OBJS} &&
        echo "The libsrtp-2-fit is ok."
    else
        echo "Building libsrtp-2-fit."
        rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/libsrtp-2-fit ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srtp2 \
            ${SRS_OBJS}/srtp2 &&
        cp -rf ${SRS_WORKDIR}/3rdparty/libsrtp-2-fit ${SRS_OBJS}/${SRS_PLATFORM}/ &&
        # For cygwin64, the patch is not available, so use sed instead.
        if [[ $SRS_CYGWIN64 == YES ]]; then
            sed -i 's/char bit_string/static char bit_string/g' ${SRS_OBJS}/${SRS_PLATFORM}/libsrtp-2-fit/crypto/math/datatypes.c
        else
            patch -p0 ${SRS_OBJS}/${SRS_PLATFORM}/libsrtp-2-fit/crypto/math/datatypes.c ${SRS_WORKDIR}/3rdparty/patches/srtp/gcc10-01.patch
        fi &&
        # Patch the cpu arch guessing for RISCV.
        if [[ $OS_IS_RISCV == YES ]]; then
            patch -p0 ${SRS_OBJS}/${SRS_PLATFORM}/libsrtp-2-fit/config.guess ${SRS_WORKDIR}/3rdparty/patches/srtp/config.guess-02.patch
        fi &&
        (
            cd ${SRS_OBJS}/${SRS_PLATFORM}/libsrtp-2-fit &&
            $SRTP_CONFIGURE ${SRTP_OPTIONS} --prefix=${SRS_DEPENDS_LIBS}/${SRS_PLATFORM}/3rdpatry/srtp2
        ) &&
        # Sometimes it might fail because autoconf failed to generate crypto/include.config.h
        if [[ $SRS_CYGWIN64 == YES ]]; then
            SRS_PATCH_SOURCE=${SRS_WORKDIR}/3rdparty/patches/srtp/cygwin-crypto-include-config.h
            if [[ $SRS_SRTP_ASM == YES ]]; then
                SRS_PATCH_SOURCE=${SRS_WORKDIR}/3rdparty/patches/srtp/cygwin-gcm-crypto-include-config.h
            fi
            grep -q 'HAVE_UINT64_T 1' ${SRS_OBJS}/${SRS_PLATFORM}/libsrtp-2-fit/crypto/include/config.h ||
            cp -f $SRS_PATCH_SOURCE ${SRS_OBJS}/${SRS_PLATFORM}/libsrtp-2-fit/crypto/include/config.h
        fi &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/libsrtp-2-fit ${SRS_JOBS} &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/libsrtp-2-fit install &&
        cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srtp2 ${SRS_OBJS}/ &&
        echo "The libsrtp-2-fit is ok."
    fi
    ret=$?; if [[ $ret -ne 0 ]]; then echo "Build libsrtp failed, ret=$ret"; exit $ret; fi
fi

#####################################################################################
# libopus, for WebRTC to transcode AAC with Opus.
#####################################################################################
# For cross build, we use opus of FFmpeg, so we don't build the libopus.
if [[ $SRS_RTC == YES && $SRS_CROSS_BUILD != YES ]]; then
    # Only build static libraries if no shared FFmpeg.
    if [[ $SRS_SHARED_FFMPEG == NO ]]; then
        OPUS_OPTIONS="--disable-shared --disable-doc"
    fi
    if [[ $OS_IS_LOONGARCH64 == YES ]]; then
        OPUS_OPTIONS="$OPUS_OPTIONS --build=loongarch64-unknown-linux-gnu"
    fi
    if [[ -f ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/opus/lib/libopus.a ]]; then
        rm -rf ${SRS_OBJS}/opus && cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/opus ${SRS_OBJS}/ &&
        echo "The opus-1.3.1 is ok."
    else
        echo "Building opus-1.3.1." &&
        rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/opus-1.3.1 ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/opus ${SRS_OBJS}/opus &&
        tar xf ${SRS_WORKDIR}/3rdparty/opus-1.3.1.tar.gz -C ${SRS_OBJS}/${SRS_PLATFORM} &&
        (
            cd ${SRS_OBJS}/${SRS_PLATFORM}/opus-1.3.1 &&
            ./configure --prefix=${SRS_DEPENDS_LIBS}/${SRS_PLATFORM}/3rdpatry/opus --enable-static $OPUS_OPTIONS
        ) &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/opus-1.3.1 ${SRS_JOBS} &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/opus-1.3.1 install &&
        cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/opus ${SRS_OBJS}/ &&
        echo "The opus-1.3.1 is ok."
    fi
    if [ ! -f ${SRS_OBJS}/opus/lib/libopus.a ]; then echo "Build opus-1.3.1 failed."; exit -1; fi
fi

#####################################################################################
# ffmpeg-fit, for WebRTC to transcode AAC with Opus.
#####################################################################################
if [[ $SRS_FFMPEG_FIT == YES ]]; then
    FFMPEG_OPTIONS=""
    if [[ $SRS_CROSS_BUILD == YES ]]; then
      FFMPEG_CONFIGURE=./configure
    else
      FFMPEG_CONFIGURE="env PKG_CONFIG_PATH=${SRS_DEPENDS_LIBS}/opus/lib/pkgconfig ./configure"
    fi

    # Disable all asm for FFmpeg, to compatible with ARM CPU.
    FFMPEG_OPTIONS="--disable-asm --disable-x86asm --disable-inline-asm"
    # Only build static libraries if no shared FFmpeg.
    if [[ $SRS_SHARED_FFMPEG == YES ]]; then
        FFMPEG_OPTIONS="$FFMPEG_OPTIONS --enable-shared"
    fi
    # For loongson/mips64, disable mips64r6, or build failed.
    if [[ $OS_IS_MIPS64 == YES && $OS_IS_LOONGSON == YES ]]; then FFMPEG_OPTIONS="$FFMPEG_OPTIONS --disable-mips64r6"; fi
    # For cross-build.
    if [[ $SRS_CROSS_BUILD == YES ]]; then
        FFMPEG_OPTIONS="$FFMPEG_OPTIONS --enable-cross-compile --target-os=linux --disable-pthreads"
        FFMPEG_OPTIONS="$FFMPEG_OPTIONS --arch=$SRS_CROSS_BUILD_ARCH";
        if [[ $SRS_CROSS_BUILD_CPU != "" ]]; then FFMPEG_OPTIONS="$FFMPEG_OPTIONS --cpu=$SRS_CROSS_BUILD_CPU"; fi
        FFMPEG_OPTIONS="$FFMPEG_OPTIONS --cross-prefix=$SRS_CROSS_BUILD_PREFIX"
        FFMPEG_OPTIONS="$FFMPEG_OPTIONS --cc=${SRS_TOOL_CC} --cxx=${SRS_TOOL_CXX} --ar=${SRS_TOOL_AR} --ld=${SRS_TOOL_LD}"
    fi
    # For cross-build.
    if [[ $SRS_CROSS_BUILD == YES ]]; then
        # Note that the audio might be corrupted, if use FFmpeg native opus.
        FFMPEG_OPTIONS="$FFMPEG_OPTIONS --enable-decoder=opus --enable-encoder=opus"
    else
        FFMPEG_OPTIONS="$FFMPEG_OPTIONS --enable-decoder=libopus --enable-encoder=libopus --enable-libopus"
    fi

    if [[ -f ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/ffmpeg/lib/libavcodec.a ]]; then
        rm -rf ${SRS_OBJS}/ffmpeg && cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/ffmpeg ${SRS_OBJS}/ &&
        echo "The ffmpeg-4-fit is ok."
    else
        echo "Building ffmpeg-4-fit." &&
        rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/ffmpeg \
            ${SRS_OBJS}/ffmpeg &&
        cp -rf ${SRS_WORKDIR}/3rdparty/ffmpeg-4-fit ${SRS_OBJS}/${SRS_PLATFORM}/ &&
        (
            cd ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit &&
            $FFMPEG_CONFIGURE \
              --prefix=${SRS_DEPENDS_LIBS}/${SRS_PLATFORM}/3rdpatry/ffmpeg --pkg-config=pkg-config \
              --pkg-config-flags="--static" --extra-libs="-lpthread" --extra-libs="-lm" \
              --disable-everything ${FFMPEG_OPTIONS} \
              --disable-programs --disable-doc --disable-htmlpages --disable-manpages --disable-podpages --disable-txtpages \
              --disable-avdevice --disable-avformat --disable-swscale --disable-postproc --disable-avfilter --disable-network \
              --disable-dct --disable-dwt --disable-error-resilience --disable-lsp --disable-lzo --disable-faan --disable-pixelutils \
              --disable-hwaccels --disable-devices --disable-audiotoolbox --disable-videotoolbox --disable-cuvid \
              --disable-d3d11va --disable-dxva2 --disable-ffnvcodec --disable-nvdec --disable-nvenc --disable-v4l2-m2m --disable-vaapi \
              --disable-vdpau --disable-appkit --disable-coreimage --disable-avfoundation --disable-securetransport --disable-iconv \
              --disable-lzma --disable-sdl2 --enable-decoder=aac --enable-decoder=aac_fixed --enable-decoder=aac_latm \
              --enable-encoder=aac
        ) &&
        # See https://www.laoyuyu.me/2019/05/23/android/clang_compile_ffmpeg/
        if [[ $SRS_CROSS_BUILD == YES ]]; then
          sed -i -e 's/#define getenv(x) NULL/\/\*#define getenv(x) NULL\*\//g' ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
          sed -i -e 's/#define HAVE_GMTIME_R 0/#define HAVE_GMTIME_R 1/g'       ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
          sed -i -e 's/#define HAVE_LOCALTIME_R 0/#define HAVE_LOCALTIME_R 1/g' ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
          # For MIPS, which fail with:
          #     ./libavutil/libm.h:54:32: error: static declaration of 'cbrt' follows non-static declaration
          #     /root/openwrt/staging_dir/toolchain-mipsel_24kc_gcc-8.4.0_musl/include/math.h:163:13: note: previous declaration of 'cbrt' was here
          if [[ $SRS_CROSS_BUILD_ARCH == "mipsel" || $SRS_CROSS_BUILD_ARCH == "arm" ]]; then
            sed -i -e 's/#define HAVE_CBRT 0/#define HAVE_CBRT 1/g'         ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_CBRTF 0/#define HAVE_CBRTF 1/g'       ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_COPYSIGN 0/#define HAVE_COPYSIGN 1/g' ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_ERF 0/#define HAVE_ERF 1/g'           ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_HYPOT 0/#define HAVE_HYPOT 1/g'       ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_RINT 0/#define HAVE_RINT 1/g'         ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_LRINT 0/#define HAVE_LRINT 1/g'       ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_LRINTF 0/#define HAVE_LRINTF 1/g'     ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_ROUND 0/#define HAVE_ROUND 1/g'       ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_ROUNDF 0/#define HAVE_ROUNDF 1/g'     ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_TRUNC 0/#define HAVE_TRUNC 1/g'       ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            sed -i -e 's/#define HAVE_TRUNCF 0/#define HAVE_TRUNCF 1/g'     ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit/config.h &&
            echo "FFmpeg sed ok"
          fi
        fi &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit ${SRS_JOBS} &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/ffmpeg-4-fit install &&
        cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/ffmpeg ${SRS_OBJS}/ &&
        echo "The ffmpeg-4-fit is ok."
    fi
    # check status
    ret=$?; if [[ $ret -ne 0 ]]; then echo "Build ffmpeg-4-fit failed, ret=$ret"; exit $ret; fi
fi

#####################################################################################
# live transcoding, ffmpeg-4.1, x264-core157, lame-3.99.5, libaacplus-2.0.2.
#####################################################################################
# Guess where is the ffmpeg.
SYSTEMP_FFMPEG_BIN=`which ffmpeg`
# Always link the ffmpeg tools if exists.
if [[ -f $SYSTEMP_FFMPEG_BIN && ! -f ${SRS_OBJS}/ffmpeg/bin/ffmpeg ]]; then
    mkdir -p ${SRS_OBJS}/ffmpeg/bin &&
    cp -f $SYSTEMP_FFMPEG_BIN ${SRS_OBJS}/ffmpeg/bin/
fi
if [[ $SRS_FFMPEG_TOOL == YES ]]; then
    if [[ -f ${SRS_OBJS}/ffmpeg/bin/ffmpeg ]]; then
        cp -f $SYSTEMP_FFMPEG_BIN ${SRS_OBJS}/ffmpeg/bin/ &&
        echo "ffmpeg-4.1 is ok.";
    else
        echo -e "${RED}Error: No FFmpeg found at /usr/local/bin/ffmpeg${BLACK}"
        echo -e "${RED}    Please copy it from srs-docker${BLACK}"
        echo -e "${RED}    or download from http://ffmpeg.org/download.html${BLACK}"
        echo -e "${RED}    or disable it by --without-ffmpeg${BLACK}"
        exit -1;
    fi
fi

#####################################################################################
# SRT module, https://github.com/ossrs/srs/issues/1147#issuecomment-577469119
#####################################################################################
if [[ $SRS_SRT == YES ]]; then
    # Always disable c++11 for libsrt, because only the srt-app requres it.
    LIBSRT_OPTIONS="--enable-apps=0  --enable-static=1 --enable-c++11=0"
    if [[ $SRS_SHARED_SRT == YES ]]; then
        LIBSRT_OPTIONS="$LIBSRT_OPTIONS --enable-shared=1"
    else
        LIBSRT_OPTIONS="$LIBSRT_OPTIONS --enable-shared=0"
    fi
    # For windows build, over cygwin
    if [[ $SRS_CYGWIN64 == YES ]]; then
        LIBSRT_OPTIONS="$LIBSRT_OPTIONS --cygwin-use-posix"
    fi
    # For cross-build.
    if [[ $SRS_CROSS_BUILD == YES ]]; then
        TOOL_GCC_REALPATH=$(realpath $(which $SRS_TOOL_CC))
        SRT_COMPILER_PREFIX=$(echo $TOOL_GCC_REALPATH |sed 's/-gcc.*$/-/')
        LIBSRT_OPTIONS="$LIBSRT_OPTIONS --with-compiler-prefix=$SRT_COMPILER_PREFIX"
    fi

    if [[ -f ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srt/lib/libsrt.a ]]; then
        rm -rf ${SRS_OBJS}/srt && cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srt ${SRS_OBJS}/ &&
        echo "libsrt-1-fit is ok."
    else
        if [[ ! -d ${SRS_OBJS}/openssl/lib/pkgconfig ]]; then
            echo "OpenSSL pkgconfig no found, build srt-1-fit failed."
            exit -1
        fi
        echo "Build srt-1-fit" &&
        rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/srt-1-fit ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srt ${SRS_OBJS}/srt &&
        cp -rf ${SRS_WORKDIR}/3rdparty/srt-1-fit ${SRS_OBJS}/${SRS_PLATFORM}/ &&
        (
            cd ${SRS_OBJS}/${SRS_PLATFORM}/srt-1-fit &&
            env PKG_CONFIG_PATH=${SRS_DEPENDS_LIBS}/openssl/lib/pkgconfig \
                ./configure --prefix=${SRS_DEPENDS_LIBS}/${SRS_PLATFORM}/3rdpatry/srt $LIBSRT_OPTIONS
        ) &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/srt-1-fit ${SRS_JOBS} &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/srt-1-fit install &&
        # If exists lib64 of libsrt, copy it to lib
        if [[ -d ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srt/lib64 ]]; then
            cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srt/lib64 ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srt/lib
        fi &&
        cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/srt ${SRS_OBJS}/ &&
        echo "libsrt-1-fit is ok."
    fi
    ret=$?; if [[ $ret -ne 0 ]]; then echo "Build srt-1-fit failed, ret=$ret"; exit $ret; fi
fi

#####################################################################################
# build utest code
#####################################################################################
if [[ $SRS_UTEST == YES ]]; then
    if [[ -f ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/gtest/googletest/include/gtest/gtest.h ]]; then
        rm -rf ${SRS_OBJS}/gtest && cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/gtest ${SRS_OBJS}/ &&
        echo "The gtest-fit is ok."
    else
        echo "Build gtest-fit" &&
        rm -rf ${SRS_OBJS}/${SRS_PLATFORM}gtest-fit ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/gtest ${SRS_OBJS}/gtest &&
        cp -rf ${SRS_WORKDIR}/3rdparty/gtest-fit ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/gtest &&
        cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/gtest ${SRS_OBJS}/ &&
        echo "The gtest-fit is ok."
    fi
    # check status
    ret=$?; if [[ $ret -ne 0 ]]; then echo "Build gtest-1.6.0 failed, ret=$ret"; exit $ret; fi
fi

#####################################################################################
# build gperf code
#####################################################################################
if [[ $SRS_GPERF == YES ]]; then
    if [[ -f ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/gperf/bin/pprof ]]; then
        rm -rf ${SRS_OBJS}/gperf && cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/gperf ${SRS_OBJS}/ &&
        cp -f ${SRS_OBJS}/gperf/bin/pprof ${SRS_OBJS}/ &&
        echo "The gperftools-2-fit is ok."
    else
        echo "Build gperftools-2-fit" &&
        rm -rf ${SRS_OBJS}/${SRS_PLATFORM}/gperftools-2-fit ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/gperf \
            ${SRS_OBJS}/gperf ${SRS_OBJS}/pprof &&
        cp -rf ${SRS_WORKDIR}/3rdparty/gperftools-2-fit ${SRS_OBJS}/${SRS_PLATFORM}/ &&
        (
            cd ${SRS_OBJS}/${SRS_PLATFORM}/gperftools-2-fit &&
            ./configure --prefix=${SRS_DEPENDS_LIBS}/${SRS_PLATFORM}/3rdpatry/gperf --enable-frame-pointers
        ) &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/gperftools-2-fit ${SRS_JOBS} &&
        make -C ${SRS_OBJS}/${SRS_PLATFORM}/gperftools-2-fit install &&
        cp -rf ${SRS_OBJS}/${SRS_PLATFORM}/3rdpatry/gperf ${SRS_OBJS}/ &&
        cp -f ${SRS_OBJS}/gperf/bin/pprof ${SRS_OBJS}/ &&
        echo "The gperftools-2-fit is ok."
    fi
    # check status
    ret=$?; if [[ $ret -ne 0 ]]; then echo "Build gperftools-2-fit failed, ret=$ret"; exit $ret; fi
fi