直播用到的技术

worker_processes  1;

error_log  logs/error.log debug;

events {
#最大连接数
    worker_connections  1024;
}

rtmp {
    server {
        listen 1935;
        application myapp {
            live on;
            #大于5秒不响应丢弃
            drop_idle_publisher 5s;
        }
    }
}
http {
    server {
        listen      8081;
        location /stat {
            rtmp_stat all;
            rtmp_stat_stylesheet stat.xsl;
        }
        location /stat.xsl {
        #这里改成自己的路径
            root /root/nginx-rtmp-module-1.2.1/;
        }
        location /control {
            rtmp_control all;
        }
        location /rtmp-publisher {
        #这里改成自己的路径
            root /root/nginx-rtmp-module-1.2.1/test;
        }

        location / {
        #这里改成自己的路径
            root /root/nginx-rtmp-module-1.2.1/test/www;
        }
    }
}

#!/bin/bash
PREFIX=`pwd`/android/armeabi-v7a
NDK_ROOT=/root/android-ndk-r17c
TOOLCHAIN=$NDK_ROOT/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64
CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi

FLAGS="-isysroot $NDK_ROOT/sysroot -isystem $NDK_ROOT/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=17 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11  -O0  -fPIC"

export CC="$CROSS_COMPILE-gcc --sysroot=$NDK_ROOT/platforms/android-17/arch-arm"
export CFLAGS="$FLAGS"


./configure \
--prefix=$PREFIX \
--host=arm-linux \
--with-pic \
--enable-shared=no

make clean
make install

#!/bin/bash
NDK_ROOT=/root/ff/NDK/android-ndk-r17c

PREFIX=./android/arm64-v8a
#TOOLCHAIN 变量指向ndk中的交叉编译gcc所在的目录
TOOLCHAIN=$NDK_ROOT/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64

FLAGS="-isysroot $NDK_ROOT/sysroot -isystem $NDK_ROOT/sysroot/usr/include/aarch64-linux-android -D__ANDROID_API__=21 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -Wa,--noexecstack -Wformat -Werror=format-security  -O0 -fPIC" 

# --disable-cli : 关闭命令行
# 其他和ffmpeg一样
./configure \
--prefix=$PREFIX \
--enable-small \
--disable-programs \
--disable-avdevice \
--disable-encoders \
--disable-muxers \
--disable-filters \
--enable-cross-compile \
--cross-prefix=$TOOLCHAIN/bin/aarch64-linux-android- \
--enable-shared \
--enable-static \
--sysroot=$NDK_ROOT/platforms/android-21/arch-arm64 \
--extra-cflags="$FLAGS $INCLUDES" \
--extra-cflags="-isysroot $NDK_ROOT/sysroot" \
--arch=aarch64 \
--target-os=android

make clean
make install

#!/bin/sh

MY_LIBS_NAME=ffmpeg-4.0
MY_DIR=ffmpeg-4.0

# cd ./${MY_DIR}

#编译的过程中产生的中间件的存放目录，为了区分编译目录，源码目录，install目录
MY_BUILD_DIR=binary


NDK_PATH=/home/as/Android/android-ndk-r15c
BUILD_PLATFORM=linux-x86_64
TOOLCHAIN_VERSION=4.9
ANDROID_VERSION=24

ANDROID_ARMV5_CFLAGS="-march=armv5te"
ANDROID_ARMV7_CFLAGS="-march=armv7-a -mfloat-abi=softfp -mfpu=neon"  #-mfloat-abi=hard -mfpu=vfpv3-d16 #-mfloat-abi=hard -mfpu=vfp
ANDROID_ARMV8_CFLAGS="-march=armv8-a"
ANDROID_X86_CFLAGS="-march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32"
ANDROID_X86_64_CFLAGS="-march=x86-64 -msse4.2 -mpopcnt -m64 -mtune=intel"


# params($1:arch,$2:arch_abi,$3:host,$4:cross_prefix,$5:cflags)
build_bin() {

    echo "-------------------start build $2-------------------------"

    ARCH=$1         # arm arm64 x86 x86_64
    ANDROID_ARCH_ABI=$2     # armeabi armeabi-v7a x86 mips

    PREFIX=$(pwd)/dist/${MY_LIBS_NAME}/${ANDROID_ARCH_ABI}/

    HOST=$3
    SYSROOT=${NDK_PATH}/platforms/android-${ANDROID_VERSION}/arch-${ARCH}

    CFALGS=$5


    TOOLCHAIN=${NDK_PATH}/toolchains/${HOST}-${TOOLCHAIN_VERSION}/prebuilt/${BUILD_PLATFORM}
    CROSS_PREFIX=${TOOLCHAIN}/bin/$4-

    # build 中间件
        BUILD_DIR=./${MY_BUILD_DIR}/${ANDROID_ARCH_ABI}

    echo "pwd==$(pwd)"
    echo "ARCH==${ARCH}"
    echo "PREFIX==${PREFIX}"
    echo "HOST==${HOST}"
    echo "SYSROOT=${SYSROOT}"
    echo "CFALGS=$5"
    echo "CFALGS=${CFALGS}"
    echo "TOOLCHAIN==${TOOLCHAIN}"
    echo "CROSS_PREFIX=${CROSS_PREFIX}"

    #echo "-------------------------按任意键继续---------------------"
    #read -n 1
    #echo "-------------------------继续执行-------------------------"

    mkdir -p ${BUILD_DIR}   #创建当前arch_abi的编译目录,比如:binary/armeabi-v7a
        cd ${BUILD_DIR}         #此处 进了当前arch_abi的2级编译目录


    sh ../../${MY_DIR}/configure \
        --prefix=${PREFIX} \
        --target-os=linux \
        --arch=${ARCH} \
        --sysroot=$SYSROOT \
        --enable-cross-compile \
        --cross-prefix=${CROSS_PREFIX} \
        --extra-cflags="$CFALGS -Os -fPIC -DANDROID -Wfatal-errors -Wno-deprecated" \
        --extra-cxxflags="-D__thumb__ -fexceptions -frtti" \
        --extra-ldflags="-L${SYSROOT}/usr/lib" \
        --enable-shared \
        --enable-asm \
        --enable-neon \
        --disable-encoders \
        --enable-encoder=aac \
        --enable-encoder=mjpeg \
        --enable-encoder=png \
        --disable-decoders \
        --enable-decoder=aac \
        --enable-decoder=aac_latm \
        --enable-decoder=h264 \
        --enable-decoder=mpeg4 \
        --enable-decoder=mjpeg \
        --enable-decoder=png \
        --disable-demuxers \
        --enable-demuxer=image2 \
        --enable-demuxer=h264 \
        --enable-demuxer=aac \
        --disable-parsers \
        --enable-parser=aac \
        --enable-parser=ac3 \
        --enable-parser=h264 \
        --enable-gpl \
        --disable-doc \
        --disable-ffmpeg \
        --disable-ffplay \
        --disable-ffprobe \
        --disable-symver \
        --disable-debug \
        --enable-small

    make clean
    make
    make install

    #从当前arch_abi编译目录跳出，对应上面的cd ${BUILD_DIR},以便function多次执行
        cd ../../

    echo "-------------------$2 build end-------------------------"
}


# build armeabi
build_bin arm armeabi arm-linux-androideabi arm-linux-androideabi "$ANDROID_ARMV5_CFLAGS"

#build armeabi-v7a
build_bin arm armeabi-v7a arm-linux-androideabi arm-linux-androideabi "$ANDROID_ARMV7_CFLAGS"

#build arm64-v8a
build_bin arm64 arm64-v8a aarch64-linux-android aarch64-linux-android "$ANDROID_ARMV8_CFLAGS"

#build x86
build_bin x86 x86 x86 i686-linux-android "$ANDROID_X86_CFLAGS"

#build x86_64
build_bin x86_64 x86_64 x86_64 x86_64-linux-android "$ANDROID_X86_64_CFLAGS"