ijkplayer支持x264編譯

以Android為例芝囤，ios也是同樣的方法
可以模仿openssl的操作，修改幾個腳本

  1. 在主目錄下新建init-android-x264.sh
#! /usr/bin/env bash
#
# Copyright (C) 2013-2015 Zhang Rui <bbcallen@gmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

IJK_x264_UPSTREAM=http://git.videolan.org/git/x264.git
IJK_x264_FORK=http://git.videolan.org/git/x264.git

IJK_x264_LOCAL_REPO=extra/x264

set -e
TOOLS=tools

echo "== pull x264 base =="
sh $TOOLS/pull-repo-base.sh $IJK_x264_UPSTREAM $IJK_x264_LOCAL_REPO

function pull_fork()
{
    echo "== pull x264 fork $1 =="
    sh $TOOLS/pull-repo-ref.sh $IJK_x264_FORK android/contrib/x264-$1 ${IJK_x264_LOCAL_REPO}
}

pull_fork "armv5"
pull_fork "armv7a"
pull_fork "arm64"
pull_fork "x86"
pull_fork "x86_64"

這步執(zhí)行完后男窟，會在extra下面有個x264挨下， 下面有源碼
并且在android/contrib下面會有x264-armv7a等五個文件夾霉祸，如下


x264.png
  1. 在android/contrib下新建compile-x264.sh 和 tools/do-compile-x264.sh

compile-x264.sh

#! /usr/bin/env bash
#
# Copyright (C) 2013-2014 Zhang Rui <bbcallen@gmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

#----------
UNI_BUILD_ROOT=`pwd`
FF_TARGET=$1
set -e
set +x

FF_ACT_ARCHS_32="armv5 armv7a x86"
FF_ACT_ARCHS_64="armv5 armv7a arm64 x86 x86_64"
FF_ACT_ARCHS_ALL=$FF_ACT_ARCHS_64

echo_archs() {
    echo "===================="
    echo "[*] check archs"
    echo "===================="
    echo "FF_ALL_ARCHS = $FF_ACT_ARCHS_ALL"
    echo "FF_ACT_ARCHS = $*"
    echo ""
}

echo_usage() {
    echo "Usage:"
    echo "  compile-x264.sh armv5|armv7a|arm64|x86|x86_64"
    echo "  compile-x264.sh all|all32"
    echo "  compile-x264.sh all64"
    echo "  compile-x264.sh clean"
    echo "  compile-x264.sh check"
    exit 1
}

echo_nextstep_help() {
    #----------
    echo ""
    echo "--------------------"
    echo "[*] Finished"
    echo "--------------------"
    echo "# to continue to build ffmpeg, run script below,"
    echo "sh compile-ffmpeg.sh "
    echo "# to continue to build ijkplayer, run script below,"
    echo "sh compile-ijk.sh "
}

#----------
case "$FF_TARGET" in
    "")
        echo_archs armv7a
        sh tools/do-compile-x264.sh armv7a
    ;;
    armv5|armv7a|arm64|x86|x86_64)
        echo_archs $FF_TARGET
        sh tools/do-compile-x264.sh $FF_TARGET
        echo_nextstep_help
    ;;
    all32)
        echo_archs $FF_ACT_ARCHS_32
        for ARCH in $FF_ACT_ARCHS_32
        do
            sh tools/do-compile-x264.sh $ARCH
        done
        echo_nextstep_help
    ;;
    all|all64)
        echo_archs $FF_ACT_ARCHS_64
        for ARCH in $FF_ACT_ARCHS_64
        do
            sh tools/do-compile-x264.sh $ARCH
        done
        echo_nextstep_help
    ;;
    clean)
        echo_archs FF_ACT_ARCHS_64
        for ARCH in $FF_ACT_ARCHS_ALL
        do
            if [ -d x264-$ARCH ]; then
                cd x264-$ARCH && git clean -xdf && cd -
            fi
        done
        rm -rf ./build/x264-*
    ;;
    check)
        echo_archs FF_ACT_ARCHS_ALL
    ;;
    *)
        echo_usage
        exit 1
    ;;
esac

do-compile-x264.sh

#! /usr/bin/env bash
#
# Copyright (C) 2014 Miguel Bot髇 <waninkoko@gmail.com>
# Copyright (C) 2014 Zhang Rui <bbcallen@gmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

#--------------------
set -e

if [ -z "$ANDROID_NDK" ]; then
    echo "You must define ANDROID_NDK before starting."
    echo "They must point to your NDK directories.\n"
    exit 1
fi

#--------------------
# common defines
FF_ARCH=$1
if [ -z "$FF_ARCH" ]; then
    echo "You must specific an architecture 'arm, armv7a, x86, ...'.\n"
    exit 1
fi


FF_BUILD_ROOT=`pwd`
FF_ANDROID_PLATFORM=android-9


FF_BUILD_NAME=
FF_SOURCE=
FF_CROSS_PREFIX=

FF_CFG_FLAGS=
FF_PLATFORM_CFG_FLAGS=

FF_EXTRA_CFLAGS=
FF_EXTRA_LDFLAGS=



#--------------------
echo ""
echo "--------------------"
echo "[*] make NDK standalone toolchain"
echo "--------------------"
. ./tools/do-detect-env.sh
FF_MAKE_TOOLCHAIN_FLAGS=$IJK_MAKE_TOOLCHAIN_FLAGS
FF_MAKE_FLAGS=$IJK_MAKE_FLAG
FF_GCC_VER=$IJK_GCC_VER
FF_GCC_64_VER=$IJK_GCC_64_VER


#----- armv7a begin -----
if [ "$FF_ARCH" = "armv7a" ]; then
        echo "gdebug x264-armv7a.............."
    FF_BUILD_NAME=x264-armv7a
    FF_SOURCE=$FF_BUILD_ROOT/$FF_BUILD_NAME
    
    FF_CROSS_PREFIX=arm-linux-androideabi
        FF_TOOLCHAIN_NAME=${FF_CROSS_PREFIX}-${FF_GCC_VER}

    FF_PLATFORM_CFG_FLAGS="android-armv7"

elif [ "$FF_ARCH" = "armv5" ]; then
    FF_BUILD_NAME=x264-armv5
    FF_SOURCE=$FF_BUILD_ROOT/$FF_BUILD_NAME
    
    FF_CROSS_PREFIX=arm-linux-androideabi
        FF_TOOLCHAIN_NAME=${FF_CROSS_PREFIX}-${FF_GCC_VER}

    FF_PLATFORM_CFG_FLAGS="android"

elif [ "$FF_ARCH" = "x86" ]; then
    FF_BUILD_NAME=x264-x86
    FF_SOURCE=$FF_BUILD_ROOT/$FF_BUILD_NAME
    
    FF_CROSS_PREFIX=i686-linux-android
        FF_TOOLCHAIN_NAME=x86-${FF_GCC_VER}

    FF_PLATFORM_CFG_FLAGS="android-x86"

elif [ "$FF_ARCH" = "x86_64" ]; then
    FF_ANDROID_PLATFORM=android-21

    FF_BUILD_NAME=x264-x86_64
    FF_SOURCE=$FF_BUILD_ROOT/$FF_BUILD_NAME

    FF_CROSS_PREFIX=x86_64-linux-android
    FF_TOOLCHAIN_NAME=${FF_CROSS_PREFIX}-${FF_GCC_64_VER}

    FF_PLATFORM_CFG_FLAGS="linux-x86_64"

elif [ "$FF_ARCH" = "arm64" ]; then
    FF_ANDROID_PLATFORM=android-21

    FF_BUILD_NAME=x264-arm64
    FF_SOURCE=$FF_BUILD_ROOT/$FF_BUILD_NAME

    FF_CROSS_PREFIX=aarch64-linux-android
    FF_TOOLCHAIN_NAME=${FF_CROSS_PREFIX}-${FF_GCC_64_VER}

    FF_PLATFORM_CFG_FLAGS="linux-aarch64"

else
    echo "unknown architecture $FF_ARCH";
    exit 1
fi

FF_TOOLCHAIN_PATH=$FF_BUILD_ROOT/build/$FF_BUILD_NAME/toolchain

FF_SYSROOT=$FF_TOOLCHAIN_PATH/sysroot
FF_PREFIX=$FF_BUILD_ROOT/build/$FF_BUILD_NAME/output

mkdir -p $FF_PREFIX
mkdir -p $FF_SYSROOT


#--------------------
echo ""
echo "--------------------"
echo "[*] make NDK standalone toolchain"
echo "--------------------"
. ./tools/do-detect-env.sh
FF_MAKE_TOOLCHAIN_FLAGS=$IJK_MAKE_TOOLCHAIN_FLAGS
FF_MAKE_FLAGS=$IJK_MAKE_FLAG


FF_MAKE_TOOLCHAIN_FLAGS="$FF_MAKE_TOOLCHAIN_FLAGS --install-dir=$FF_TOOLCHAIN_PATH"
FF_TOOLCHAIN_TOUCH="$FF_TOOLCHAIN_PATH/touch"
if [ ! -f "$FF_TOOLCHAIN_TOUCH" ]; then
    $ANDROID_NDK/build/tools/make-standalone-toolchain.sh \
        $FF_MAKE_TOOLCHAIN_FLAGS \
        --platform=$FF_ANDROID_PLATFORM \
        --toolchain=$FF_TOOLCHAIN_NAME
    touch $FF_TOOLCHAIN_TOUCH;
fi


#--------------------
echo ""
echo "--------------------"
echo "[*] check x264 env"
echo "--------------------"
export PATH=$FF_TOOLCHAIN_PATH/bin:$PATH

export COMMON_FF_CFG_FLAGS=

FF_CFG_FLAGS="$FF_CFG_FLAGS $COMMON_FF_CFG_FLAGS"

#--------------------
# Standard options:
echo "FF_PREFIX = $FF_PREFIX"
FF_CFG_FLAGS="$FF_CFG_FLAGS --prefix=$FF_PREFIX"
FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-static --disable-shared"
FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-pic --enable-strip --disable-asm --disable-cli"
#FF_CFG_FLAGS="$FF_CFG_FLAGS --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi-"
FF_CFG_FLAGS="$FF_CFG_FLAGS --cross-prefix=${FF_CROSS_PREFIX}-"
FF_CFG_FLAGS="$FF_CFG_FLAGS --host=arm-linux"
FF_CFG_FLAGS="$FF_CFG_FLAGS --sysroot=$FF_SYSROOT"

#FF_CFG_FLAGS="$FF_CFG_FLAGS --cross-prefix=${FF_CROSS_PREFIX}-"
#FF_CFG_FLAGS="$FF_CFG_FLAGS $FF_PLATFORM_CFG_FLAGS"

#--------------------
echo ""
echo "--------------------"
echo "[*] configurate x264"
echo "--------------------"
cd $FF_SOURCE && chmod +w configure
#if [ -f "./Makefile" ]; then
#    echo 'reuse configure'
#else
    echo "./configure $FF_CFG_FLAGS"
    ./configure $FF_CFG_FLAGS
#        --extra-cflags="$FF_CFLAGS $FF_EXTRA_CFLAGS" \
#        --extra-ldflags="$FF_EXTRA_LDFLAGS"
#fi

#--------------------
echo ""
echo "--------------------"
echo "[*] compile x264"
echo "--------------------"
make depend
echo "make $FF_MAKE_FLAGS"
make $FF_MAKE_FLAGS
make install

#--------------------
echo ""
echo "--------------------"
echo "[*] link x264"
echo "--------------------"

輸出如下：


x264-2.png

這部完成后，去build下的output看下x264.a和x264.so是否生成

  1. 修改do-compile-ffmpeg.sh
#! /usr/bin/env bash
#
# Copyright (C) 2013-2014 Zhang Rui <bbcallen@gmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# This script is based on projects below
# https://github.com/yixia/FFmpeg-Android
# http://git.videolan.org/?p=vlc-ports/android.git;a=summary

#--------------------
echo "===================="
echo "[*] check env $1"
echo "===================="
set -e


#--------------------
# common defines
FF_ARCH=$1
FF_BUILD_OPT=$2
echo "FF_ARCH=$FF_ARCH"
echo "FF_BUILD_OPT=$FF_BUILD_OPT"
if [ -z "$FF_ARCH" ]; then
    echo "You must specific an architecture 'arm, armv7a, x86, ...'."
    echo ""
    exit 1
fi


FF_BUILD_ROOT=`pwd`
FF_ANDROID_PLATFORM=android-9


FF_BUILD_NAME=
FF_SOURCE=
FF_CROSS_PREFIX=
FF_DEP_OPENSSL_INC=
FF_DEP_OPENSSL_LIB=
FF_DEP_X264_INC=
FF_DEP_X264_LIB=
FF_DEP_LIBSOXR_INC=
FF_DEP_LIBSOXR_LIB=

FF_CFG_FLAGS=

FF_EXTRA_CFLAGS=
FF_EXTRA_LDFLAGS=
FF_DEP_LIBS=

FF_MODULE_DIRS="compat libavcodec libavfilter libavformat libavutil libswresample libswscale"
FF_ASSEMBLER_SUB_DIRS=


#--------------------
echo ""
echo "--------------------"
echo "[*] make NDK standalone toolchain"
echo "--------------------"
. ./tools/do-detect-env.sh
FF_MAKE_TOOLCHAIN_FLAGS=$IJK_MAKE_TOOLCHAIN_FLAGS
FF_MAKE_FLAGS=$IJK_MAKE_FLAG
FF_GCC_VER=$IJK_GCC_VER
FF_GCC_64_VER=$IJK_GCC_64_VER


#----- armv7a begin -----
if [ "$FF_ARCH" = "armv7a" ]; then
    FF_BUILD_NAME=ffmpeg-armv7a
    FF_BUILD_NAME_OPENSSL=openssl-armv7a
    FF_BUILD_NAME_X264=x264-armv7a
    FF_BUILD_NAME_LIBSOXR=libsoxr-armv7a
    FF_SOURCE=$FF_BUILD_ROOT/$FF_BUILD_NAME

    FF_CROSS_PREFIX=arm-linux-androideabi
    FF_TOOLCHAIN_NAME=${FF_CROSS_PREFIX}-${FF_GCC_VER}

    FF_CFG_FLAGS="$FF_CFG_FLAGS --arch=arm --cpu=cortex-a8"
    FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-neon"
    FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-thumb"

    FF_EXTRA_CFLAGS="$FF_EXTRA_CFLAGS -march=armv7-a -mcpu=cortex-a8 -mfpu=vfpv3-d16 -mfloat-abi=softfp -mthumb"
    FF_EXTRA_LDFLAGS="$FF_EXTRA_LDFLAGS -Wl,--fix-cortex-a8"

    FF_ASSEMBLER_SUB_DIRS="arm"

elif [ "$FF_ARCH" = "armv5" ]; then
    FF_BUILD_NAME=ffmpeg-armv5
    FF_BUILD_NAME_OPENSSL=openssl-armv5
    FF_BUILD_NAME_X264=x264-armv5
    FF_BUILD_NAME_LIBSOXR=libsoxr-armv5
    FF_SOURCE=$FF_BUILD_ROOT/$FF_BUILD_NAME

    FF_CROSS_PREFIX=arm-linux-androideabi
    FF_TOOLCHAIN_NAME=${FF_CROSS_PREFIX}-${FF_GCC_VER}

    FF_CFG_FLAGS="$FF_CFG_FLAGS --arch=arm"

    FF_EXTRA_CFLAGS="$FF_EXTRA_CFLAGS -march=armv5te -mtune=arm9tdmi -msoft-float"
    FF_EXTRA_LDFLAGS="$FF_EXTRA_LDFLAGS"

    FF_ASSEMBLER_SUB_DIRS="arm"

elif [ "$FF_ARCH" = "x86" ]; then
    FF_BUILD_NAME=ffmpeg-x86
    FF_BUILD_NAME_OPENSSL=openssl-x86
    FF_BUILD_NAME_X264=x264-x86
    FF_BUILD_NAME_LIBSOXR=libsoxr-x86
    FF_SOURCE=$FF_BUILD_ROOT/$FF_BUILD_NAME

    FF_CROSS_PREFIX=i686-linux-android
    FF_TOOLCHAIN_NAME=x86-${FF_GCC_VER}

    FF_CFG_FLAGS="$FF_CFG_FLAGS --arch=x86 --cpu=i686 --enable-yasm"

    FF_EXTRA_CFLAGS="$FF_EXTRA_CFLAGS -march=atom -msse3 -ffast-math -mfpmath=sse"
    FF_EXTRA_LDFLAGS="$FF_EXTRA_LDFLAGS"

    FF_ASSEMBLER_SUB_DIRS="x86"

elif [ "$FF_ARCH" = "x86_64" ]; then
    FF_ANDROID_PLATFORM=android-21

    FF_BUILD_NAME=ffmpeg-x86_64
    FF_BUILD_NAME_OPENSSL=openssl-x86_64
    FF_BUILD_NAME_X264=x264-x86_64
    FF_BUILD_NAME_LIBSOXR=libsoxr-x86_64
    FF_SOURCE=$FF_BUILD_ROOT/$FF_BUILD_NAME

    FF_CROSS_PREFIX=x86_64-linux-android
    FF_TOOLCHAIN_NAME=${FF_CROSS_PREFIX}-${FF_GCC_64_VER}

    FF_CFG_FLAGS="$FF_CFG_FLAGS --arch=x86_64 --enable-yasm"

    FF_EXTRA_CFLAGS="$FF_EXTRA_CFLAGS"
    FF_EXTRA_LDFLAGS="$FF_EXTRA_LDFLAGS"

    FF_ASSEMBLER_SUB_DIRS="x86"

elif [ "$FF_ARCH" = "arm64" ]; then
    FF_ANDROID_PLATFORM=android-21

    FF_BUILD_NAME=ffmpeg-arm64
    FF_BUILD_NAME_OPENSSL=openssl-arm64
    FF_BUILD_NAME_X264=x264-arm64
    FF_BUILD_NAME_LIBSOXR=libsoxr-arm64
    FF_SOURCE=$FF_BUILD_ROOT/$FF_BUILD_NAME

    FF_CROSS_PREFIX=aarch64-linux-android
    FF_TOOLCHAIN_NAME=${FF_CROSS_PREFIX}-${FF_GCC_64_VER}

    FF_CFG_FLAGS="$FF_CFG_FLAGS --arch=aarch64 --enable-yasm"

    FF_EXTRA_CFLAGS="$FF_EXTRA_CFLAGS"
    FF_EXTRA_LDFLAGS="$FF_EXTRA_LDFLAGS"

    FF_ASSEMBLER_SUB_DIRS="aarch64 neon"

else
    echo "unknown architecture $FF_ARCH";
    exit 1
fi

if [ ! -d $FF_SOURCE ]; then
    echo ""
    echo "!! ERROR"
    echo "!! Can not find FFmpeg directory for $FF_BUILD_NAME"
    echo "!! Run 'sh init-android.sh' first"
    echo ""
    exit 1
fi

FF_TOOLCHAIN_PATH=$FF_BUILD_ROOT/build/$FF_BUILD_NAME/toolchain
FF_MAKE_TOOLCHAIN_FLAGS="$FF_MAKE_TOOLCHAIN_FLAGS --install-dir=$FF_TOOLCHAIN_PATH"

FF_SYSROOT=$FF_TOOLCHAIN_PATH/sysroot
FF_PREFIX=$FF_BUILD_ROOT/build/$FF_BUILD_NAME/output
FF_DEP_OPENSSL_INC=$FF_BUILD_ROOT/build/$FF_BUILD_NAME_OPENSSL/output/include
FF_DEP_OPENSSL_LIB=$FF_BUILD_ROOT/build/$FF_BUILD_NAME_OPENSSL/output/lib
FF_DEP_X264_INC=$FF_BUILD_ROOT/build/$FF_BUILD_NAME_X264/output/include
FF_DEP_X264_LIB=$FF_BUILD_ROOT/build/$FF_BUILD_NAME_X264/output/lib
FF_DEP_LIBSOXR_INC=$FF_BUILD_ROOT/build/$FF_BUILD_NAME_LIBSOXR/output/include
FF_DEP_LIBSOXR_LIB=$FF_BUILD_ROOT/build/$FF_BUILD_NAME_LIBSOXR/output/lib

case "$UNAME_S" in
    CYGWIN_NT-*)
        FF_SYSROOT="$(cygpath -am $FF_SYSROOT)"
        FF_PREFIX="$(cygpath -am $FF_PREFIX)"
    ;;
esac


mkdir -p $FF_PREFIX
# mkdir -p $FF_SYSROOT


FF_TOOLCHAIN_TOUCH="$FF_TOOLCHAIN_PATH/touch"
if [ ! -f "$FF_TOOLCHAIN_TOUCH" ]; then
    $ANDROID_NDK/build/tools/make-standalone-toolchain.sh \
        $FF_MAKE_TOOLCHAIN_FLAGS \
        --platform=$FF_ANDROID_PLATFORM \
        --toolchain=$FF_TOOLCHAIN_NAME
    touch $FF_TOOLCHAIN_TOUCH;
fi


#--------------------
echo ""
echo "--------------------"
echo "[*] check ffmpeg env"
echo "--------------------"
export PATH=$FF_TOOLCHAIN_PATH/bin/:$PATH
#export CC="ccache ${FF_CROSS_PREFIX}-gcc"
export CC="${FF_CROSS_PREFIX}-gcc"
export LD=${FF_CROSS_PREFIX}-ld
export AR=${FF_CROSS_PREFIX}-ar
export STRIP=${FF_CROSS_PREFIX}-strip

FF_CFLAGS="-O3 -Wall -pipe \
    -std=c99 \
    -ffast-math \
    -fstrict-aliasing -Werror=strict-aliasing \
    -Wno-psabi -Wa,--noexecstack \
    -DANDROID -DNDEBUG"

# cause av_strlcpy crash with gcc4.7, gcc4.8
# -fmodulo-sched -fmodulo-sched-allow-regmoves

# --enable-thumb is OK
#FF_CFLAGS="$FF_CFLAGS -mthumb"

# not necessary
#FF_CFLAGS="$FF_CFLAGS -finline-limit=300"

export COMMON_FF_CFG_FLAGS=
. $FF_BUILD_ROOT/../../config/module.sh


#--------------------
# with openssl
if [ -f "${FF_DEP_OPENSSL_LIB}/libssl.a" ]; then
    echo "OpenSSL detected"
# FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-nonfree"
    FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-openssl"
    FF_CFLAGS="$FF_CFLAGS -I${FF_DEP_OPENSSL_INC}"
    FF_DEP_LIBS="$FF_DEP_LIBS -L${FF_DEP_OPENSSL_LIB} -lssl -lcrypto"
fi

# with libx264
if [ -f "${FF_DEP_X264_LIB}/libx264.a" ]; then
    echo "libx264 detected"
    FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-libx264"
        FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-encoder=libx264"
    FF_CFLAGS="$FF_CFLAGS -I${FF_DEP_X264_INC}"
    FF_DEP_LIBS="$FF_DEP_LIBS -L${FF_DEP_X264_LIB} -lx264"
    export PKG_CONFIG_PATH="$FF_DEP_X264_LIB/pkgconfig":$FF_PREFIX/lib/pkgconfig
        echo $PKG_CONFIG_PATH
fi

if [ -f "${FF_DEP_LIBSOXR_LIB}/libsoxr.a" ]; then
    echo "libsoxr detected"
    FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-libsoxr"

    FF_CFLAGS="$FF_CFLAGS -I${FF_DEP_LIBSOXR_INC}"
    FF_DEP_LIBS="$FF_DEP_LIBS -L${FF_DEP_LIBSOXR_LIB} -lsoxr"
fi

FF_CFG_FLAGS="$FF_CFG_FLAGS $COMMON_FF_CFG_FLAGS"

#--------------------
# Standard options:
FF_CFG_FLAGS="$FF_CFG_FLAGS --prefix=$FF_PREFIX"

# Advanced options (experts only):
FF_CFG_FLAGS="$FF_CFG_FLAGS --cross-prefix=${FF_CROSS_PREFIX}-"
FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-cross-compile"
FF_CFG_FLAGS="$FF_CFG_FLAGS --target-os=linux"
FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-pic"
# FF_CFG_FLAGS="$FF_CFG_FLAGS --disable-symver"

# Optimization options (experts only):
FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-asm"
FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-inline-asm"

case "$FF_BUILD_OPT" in
    debug)
        FF_CFG_FLAGS="$FF_CFG_FLAGS --disable-optimizations"
        FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-debug"
        FF_CFG_FLAGS="$FF_CFG_FLAGS --disable-small"
    ;;
    *)
        FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-optimizations"
        FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-debug"
        FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-small"
    ;;
esac

#--------------------
echo ""
echo "--------------------"
echo "[*] configurate ffmpeg"
echo "--------------------"
cd $FF_SOURCE
if [ -f "./config.h" ]; then
    echo 'reuse configure'
else
    which $CC
    ./configure $FF_CFG_FLAGS \
        --extra-cflags="$FF_CFLAGS $FF_EXTRA_CFLAGS" \
        --extra-ldflags="$FF_DEP_LIBS $FF_EXTRA_LDFLAGS"
    make clean
fi

#--------------------
echo ""
echo "--------------------"
echo "[*] compile ffmpeg"
echo "--------------------"
cp config.* $FF_PREFIX
make $FF_MAKE_FLAGS > /dev/null
make install
mkdir -p $FF_PREFIX/include/libffmpeg
cp -f config.h $FF_PREFIX/include/libffmpeg/config.h

#--------------------
echo ""
echo "--------------------"
echo "[*] link ffmpeg"
echo "--------------------"
echo $FF_EXTRA_LDFLAGS

FF_C_OBJ_FILES=
FF_ASM_OBJ_FILES=
for MODULE_DIR in $FF_MODULE_DIRS
do
    C_OBJ_FILES="$MODULE_DIR/*.o"
    if ls $C_OBJ_FILES 1> /dev/null 2>&1; then
        echo "link $MODULE_DIR/*.o"
        FF_C_OBJ_FILES="$FF_C_OBJ_FILES $C_OBJ_FILES"
    fi

    for ASM_SUB_DIR in $FF_ASSEMBLER_SUB_DIRS
    do
        ASM_OBJ_FILES="$MODULE_DIR/$ASM_SUB_DIR/*.o"
        if ls $ASM_OBJ_FILES 1> /dev/null 2>&1; then
            echo "link $MODULE_DIR/$ASM_SUB_DIR/*.o"
            FF_ASM_OBJ_FILES="$FF_ASM_OBJ_FILES $ASM_OBJ_FILES"
        fi
    done
done

$CC -lm -lz -shared --sysroot=$FF_SYSROOT -Wl,--no-undefined -Wl,-z,noexecstack $FF_EXTRA_LDFLAGS \
    -Wl,-soname,libijkffmpeg.so \
    $FF_C_OBJ_FILES \
    $FF_ASM_OBJ_FILES \
    $FF_DEP_LIBS \
    -o $FF_PREFIX/libijkffmpeg.so

mysedi() {
    f=$1
    exp=$2
    n=`basename $f`
    cp $f /tmp/$n
    sed $exp /tmp/$n > $f
    rm /tmp/$n
}

echo ""
echo "--------------------"
echo "[*] create files for shared ffmpeg"
echo "--------------------"
rm -rf $FF_PREFIX/shared
mkdir -p $FF_PREFIX/shared/lib/pkgconfig
ln -s $FF_PREFIX/include $FF_PREFIX/shared/include
ln -s $FF_PREFIX/libijkffmpeg.so $FF_PREFIX/shared/lib/libijkffmpeg.so
echo "gongjia: $FF_PREFIX/lib/pkgconfig/*.pc"
cp $FF_PREFIX/lib/pkgconfig/*.pc $FF_PREFIX/shared/lib/pkgconfig
for f in $FF_PREFIX/lib/pkgconfig/*.pc; do
    # in case empty dir
    if [ ! -f $f ]; then
        continue
    fi
    cp $f $FF_PREFIX/shared/lib/pkgconfig
    f=$FF_PREFIX/shared/lib/pkgconfig/`basename $f`
    echo "f=$f"
    # OSX sed doesn't have in-place(-i)
    mysedi $f 's/\/output/\/output\/shared/g'
    mysedi $f 's/-lavcodec/-lijkffmpeg/g'
    mysedi $f 's/-lavfilter/-lijkffmpeg/g'
    mysedi $f 's/-lavformat/-lijkffmpeg/g'
    mysedi $f 's/-lavutil/-lijkffmpeg/g'
    mysedi $f 's/-lswresample/-lijkffmpeg/g'
    mysedi $f 's/-lswscale/-lijkffmpeg/g'
done

最后犁珠，是compile-ffmpeg.sh逻炊，這個文件沒有修改~~~

#! /usr/bin/env bash
#
# Copyright (C) 2013-2014 Zhang Rui <bbcallen@gmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# This script is based on projects below
# https://github.com/yixia/FFmpeg-Android
# http://git.videolan.org/?p=vlc-ports/android.git;a=summary

#----------
UNI_BUILD_ROOT=`pwd`
FF_TARGET=$1
FF_TARGET_EXTRA=$2
set -e
set +x

FF_ACT_ARCHS_32="armv5 armv7a x86"
FF_ACT_ARCHS_64="armv5 armv7a arm64 x86 x86_64"
FF_ACT_ARCHS_ALL=$FF_ACT_ARCHS_64

echo_archs() {
    echo "===================="
    echo "[*] check archs"
    echo "===================="
    echo "FF_ALL_ARCHS = $FF_ACT_ARCHS_ALL"
    echo "FF_ACT_ARCHS = $*"
    echo ""
}

echo_usage() {
    echo "Usage:"
    echo "  compile-ffmpeg.sh armv5|armv7a|arm64|x86|x86_64"
    echo "  compile-ffmpeg.sh all|all32"
    echo "  compile-ffmpeg.sh all64"
    echo "  compile-ffmpeg.sh clean"
    echo "  compile-ffmpeg.sh check"
    exit 1
}

echo_nextstep_help() {
    echo ""
    echo "--------------------"
    echo "[*] Finished"
    echo "--------------------"
    echo "# to continue to build ijkplayer, run script below,"
    echo "sh compile-ijk.sh "
}


#----------
case "$FF_TARGET" in
    "")
        echo_archs armv7a
        sh tools/do-compile-ffmpeg.sh armv7a
    ;;
    armv5|armv7a|arm64|x86|x86_64)
        echo_archs $FF_TARGET $FF_TARGET_EXTRA
        sh tools/do-compile-ffmpeg.sh $FF_TARGET $FF_TARGET_EXTRA
        echo_nextstep_help
    ;;
    all32)
        echo_archs $FF_ACT_ARCHS_32
        for ARCH in $FF_ACT_ARCHS_32
        do
            sh tools/do-compile-ffmpeg.sh $ARCH $FF_TARGET_EXTRA
        done
        echo_nextstep_help
    ;;
    all|all64)
        echo_archs $FF_ACT_ARCHS_64
        for ARCH in $FF_ACT_ARCHS_64
        do
            sh tools/do-compile-ffmpeg.sh $ARCH $FF_TARGET_EXTRA
        done
        echo_nextstep_help
    ;;
    clean)
        echo_archs FF_ACT_ARCHS_64
        for ARCH in $FF_ACT_ARCHS_ALL
        do
            if [ -d ffmpeg-$ARCH ]; then
                cd ffmpeg-$ARCH && git clean -xdf && cd -
            fi
        done
        rm -rf ./build/ffmpeg-*
    ;;
    check)
        echo_archs FF_ACT_ARCHS_ALL
    ;;
    *)
        echo_usage
        exit 1
    ;;
esac

這里面要注意的是：
雖然在do-compile-ffmpeg.sh

# with libx264
if [ -f "${FF_DEP_X264_LIB}/libx264.a" ]; then
    echo "libx264 detected"
    FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-libx264"
        FF_CFG_FLAGS="$FF_CFG_FLAGS --enable-encoder=libx264"
    FF_CFLAGS="$FF_CFLAGS -I${FF_DEP_X264_INC}"
    FF_DEP_LIBS="$FF_DEP_LIBS -L${FF_DEP_X264_LIB} -lx264"
    export PKG_CONFIG_PATH="$FF_DEP_X264_LIB/pkgconfig":$FF_PREFIX/lib/pkgconfig
        echo $PKG_CONFIG_PATH
fi

這里我把-enable-encoder=libx264開啟了，但是module.sh卻還是把encoder全部disable了犁享，只開啟了aac余素，所以還要修改一下module.sh

export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-encoders"

module.sh文件

#! /usr/bin/env bash

#--------------------
# Standard options:
export COMMON_FF_CFG_FLAGS=
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --prefix=PREFIX"

# Licensing options:
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-gpl"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-version3"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-nonfree"

# Configuration options:
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-static"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-shared"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-small"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-runtime-cpudetect"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-gray"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-swscale-alpha"

# Program options:
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-programs"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-ffmpeg"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-ffplay"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-ffprobe"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-ffserver"

# Documentation options:
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-doc"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-htmlpages"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-manpages"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-podpages"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-txtpages"

# Component options:
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-avdevice"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-avcodec"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-avformat"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-avutil"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-swresample"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-swscale"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-postproc"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-avfilter"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-avresample"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-pthreads"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-w32threads"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-os2threads"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-network"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-dct"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-dwt"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-lsp"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-lzo"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-mdct"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-rdft"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-fft"

# Hardware accelerators:
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-d3d11va"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-dxva2"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-vaapi"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-vda"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-vdpau"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-videotoolbox"

# Individual component options:
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-everything"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-encoders"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-encoder=aac"

# ./configure --list-decoders
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoders"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=aac"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=aac_latm"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=flv"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=h263"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=h263i"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=h263p"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=h264"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=mp3*"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=vp6"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=vp6a"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=vp6f"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=hevc"

export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-hwaccels"

# ./configure --list-muxers
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-muxers"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-muxer=mpegts"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-muxer=mp4"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-muxer=flv"

# ./configure --list-demuxers
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxers"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=aac"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=concat"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=data"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=flv"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=hls"
#export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=latm"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=live_flv"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=loas"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=m4v"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=mov"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=mp3"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=mpegps"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=mpegts"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=mpegvideo"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=rtsp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=sdp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=rtp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=hevc"

# ./configure --list-parsers
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parsers"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=aac"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=aac_latm"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=ac3"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=h263"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=h264"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=hevc"

# ./configure --list-bsf
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-bsfs"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=chomp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=dca_core"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=dump_extradata"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-bsf=hevc_mp4toannexb"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=imx_dump_header"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=mjpeg2jpeg"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=mjpega_dump_header"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=mov2textsub"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=mp3_header_decompress"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-bsf=mpeg4_unpack_bframes"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=noise"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=remove_extradata"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=text2movsub"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bsf=vp9_superframe"

# ./configure --list-protocols
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-protocols"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-protocol=async"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=bluray"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-protocol=concat"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=crypto"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=ffrtmpcrypt"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-protocol=ffrtmphttp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=gopher"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=icecast"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=librtmp*"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=libssh"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=md5"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=mmsh"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=mmst"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=rtmp*"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-protocol=rtmp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-protocol=rtmpt"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-protocol=rtp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=sctp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=srtp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=subfile"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-protocol=unix"

#export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-devices"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filters"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=crop"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=transpose"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=vflip"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=hflip"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=scale"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=format"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=overlay"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=buffer"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=buffersink"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=lut"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=unsharp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-filter=lutyuv"



# gongjia add
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-openssl"
# External library support:
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-iconv"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-audiotoolbox"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-videotoolbox"

# ...

# Advanced options (experts only):
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --cross-prefix=${FF_CROSS_PREFIX}-"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-cross-compile"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --sysroot=PATH"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --sysinclude=PATH"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --target-os=TAGET_OS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --target-exec=CMD"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --target-path=DIR"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --toolchain=NAME"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --nm=NM"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --ar=AR"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --as=AS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --yasmexe=EXE"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --cc=CC"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --cxx=CXX"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --dep-cc=DEPCC"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --ld=LD"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --host-cc=HOSTCC"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --host-cflags=HCFLAGS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --host-cppflags=HCPPFLAGS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --host-ld=HOSTLD"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --host-ldflags=HLDFLAGS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --host-libs=HLIBS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --host-os=OS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --extra-cflags=ECFLAGS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --extra-cxxflags=ECFLAGS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --extra-ldflags=ELDFLAGS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --extra-libs=ELIBS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --extra-version=STRING"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --optflags=OPTFLAGS"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --build-suffix=SUFFIX"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --malloc-prefix=PREFIX"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --progs-suffix=SUFFIX"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --arch=ARCH"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --cpu=CPU"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-pic"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-sram"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-thumb"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-symver"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-hardcoded-tables"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-safe-bitstream-reader"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-memalign-hack"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-lto"

# Optimization options (experts only):
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-asm"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-altivec"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-amd3dnow"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-amd3dnowext"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-mmx"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-mmxext"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-sse"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-sse2"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-sse3"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-ssse3"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-sse4"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-sse42"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-avx"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-fma4"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-armv5te"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-armv6"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-armv6t2"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-vfp"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-neon"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-vis"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-inline-asm"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-yasm"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-mips32r2"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-mipsdspr1"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-mipsdspr2"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-mipsfpu"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-fast-unaligned"

# Developer options (useful when working on FFmpeg itself):
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-coverage"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-debug"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-debug=LEVEL"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-optimizations"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-extra-warnings"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-stripping"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --assert-level=level"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-memory-poisoning"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --valgrind=VALGRIND"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-ftrapv"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --samples=PATH"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-xmm-clobber-test"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-random"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-random"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-random=LIST"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-random=LIST"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --random-seed=VALUE"
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