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在mac上 使用ndk r20 编译 ffmpeg 4.2.2 的so
#!/bin/bash
NDK=/Volumes/Evo512/sdk/android-ndk-r20
TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/darwin-x86_64
API=21
function build_android
{
echo "Compiling FFmpeg for $CPU"
./configure \
--prefix=$PREFIX \
--libdir=$LIB_DIR \
--enable-shared \
--disable-static \
--enable-jni \
--disable-doc \
--disable-symver \
--disable-programs \
--target-os=android \
--arch=$ARCH \
--cpu=$CPU \
--cc=$CC \
--cxx=$CXX \
--enable-cross-compile \
--sysroot=$SYSROOT \
--extra-cflags="-Os -fpic $OPTIMIZE_CFLAGS" \
--extra-ldflags="$ADDI_LDFLAGS" \
--disable-asm \
$COMMON_FF_CFG_FLAGS
make clean
make -j8
make install
echo "The Compilation of FFmpeg for $CPU is completed"
}
# # armv8-a
# source "config-env.sh"
# OUTPUT_FOLDER="arm64-v8a"
# ARCH=arm64
# CPU="armv8-a"
# TOOL_CPU_NAME=aarch64
# TOOL_PREFIX="$TOOLCHAIN/bin/$TOOL_CPU_NAME-linux-android"
# CC="$TOOL_PREFIX$API-clang"
# CXX="$TOOL_PREFIX$API-clang++"
# SYSROOT="$NDK/toolchains/llvm/prebuilt/darwin-x86_64/sysroot"
# PREFIX="${PWD}/android/$OUTPUT_FOLDER"
# LIB_DIR="${PWD}/android/libs/$OUTPUT_FOLDER"
# OPTIMIZE_CFLAGS="-march=$CPU"
# build_android
# # armv7-a
# source "config-env.sh"
# OUTPUT_FOLDER="armeabi-v7a"
# ARCH="arm"
# CPU="armv7-a"
# TOOL_CPU_NAME=armv7a
# TOOL_PREFIX="$TOOLCHAIN/bin/arm-linux-androideabi"
# CC="$TOOLCHAIN/bin/armv7a-linux-androideabi$API-clang"
# CXX="$TOOLCHAIN/bin/armv7a-linux-androideabi$API-clang++"
# SYSROOT="$NDK/toolchains/llvm/prebuilt/darwin-x86_64/sysroot"
# PREFIX="${PWD}/android/$OUTPUT_FOLDER"
# LIB_DIR="${PWD}/android/libs/$OUTPUT_FOLDER"
# OPTIMIZE_CFLAGS="-march=$CPU"
# build_android
# x86
source "config-env.sh"
OUTPUT_FOLDER="x86"
ARCH="x86"
CPU="x86"
TOOL_CPU_NAME="i686"
TOOL_PREFIX="$TOOLCHAIN/bin/${TOOL_CPU_NAME}-linux-android"
CC="$TOOL_PREFIX$API-clang"
CXX="$TOOL_PREFIX$API-clang++"
SYSROOT="$NDK/toolchains/llvm/prebuilt/darwin-x86_64/sysroot"
PREFIX="${PWD}/android/$OUTPUT_FOLDER"
LIB_DIR="${PWD}/android/libs/$OUTPUT_FOLDER"
OPTIMIZE_CFLAGS="-march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32"
build_android
# x86_64
# source "config-env.sh"
# OUTPUT_FOLDER="x86_64"
# ARCH="x86_64"
# CPU="x86-64"
# TOOL_CPU_NAME="x86_64"
# TOOL_PREFIX="$TOOLCHAIN/bin/${TOOL_CPU_NAME}-linux-android"
# CC="$TOOL_PREFIX$API-clang"
# CXX="$TOOL_PREFIX$API-clang++"
# SYSROOT="$NDK/toolchains/llvm/prebuilt/darwin-x86_64/sysroot"
# PREFIX="${PWD}/android/$OUTPUT_FOLDER"
# LIB_DIR="${PWD}/android/libs/$OUTPUT_FOLDER"
# OPTIMIZE_CFLAGS="-march=$CPU"
# build_android
# 以下为原作者信息:
# 作者:xiaojigugu
# 链接:https://juejin.im/post/5d831333f265da03c61e8a28
# 来源:掘金
# 著作权归作者所有。商业转载请联系作者获得授权,非商业转载请注明出处。
# 仅确定支持ndkr20+ffmpeg4.2.2
# 在原作者基础上有修改
# 1. 修改make 参数 -j8, 开启线程编译优化以加快速度, 根据自己的, 一般cpu核心数*2
# 2. 根据自己的系统修改TOOLCHAIN, 我是mac, 所以修改为darwin, 不确定的话就到NDK目录下查看
# 3. API等级是21
# 4. 4.2.2版本并不需要手动修改ffmpeg的configure文件,因为打出来的so文件是没有版本号的
# 编译选项可以使用 ./configure -h 查看, 可以根据自己的需求开启或关闭编解码支持, 会显著降低so大小
# 本选项编译出的文件文件尺寸如下:
# -rwxr-xr-x 1 caijinglong staff 11M 1 5 21:17 libavcodec.so
# -rwxr-xr-x 1 caijinglong staff 2.4M 1 5 21:17 libavfilter.so
# -rwxr-xr-x 1 caijinglong staff 2.0M 1 5 21:17 libavformat.so
# -rwxr-xr-x 1 caijinglong staff 390K 1 5 21:17 libavutil.so
# -rwxr-xr-x 1 caijinglong staff 78K 1 5 21:17 libswresample.so
# -rwxr-xr-x 1 caijinglong staff 442K 1 5 21:17 libswscale.so
# 如果想要和ijkplayer那样将所有so合并为一个libffmpeg.so库,可以看下面的说明
# 说是合并,实际上so是不支持合并的, 需要编译出.a静态库而不是so动态库, 然后将多个静态库合并为一个so, 然后用TOOLCHAIN中的gcc命令进行合并
# gcc -shared -o -Wl --whole-archive avcodec.a avfilter.a other.a -Wl,--no-whole-archive
#! /usr/bin/env bash
# shell/config.sh
# 这个来自ijkplayer的ffmpeg配置, 会在上面的build脚本中被引入
#--------------------
# Standard options:
export COMMON_FF_CFG_FLAGS=
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --prefix=PREFIX"
# Licensing options:
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-gpl"
# export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-version3"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-nonfree"
# Configuration options:
# export COMMON_FF_CFG_FLAGS="$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="$COMMON_FF_CFG_FLAGS --disable-encoders"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-encoder=png"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-encoder=mjpeg"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-encoder=jpeg2000"
# ./configure --list-decoders
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-decoders"
export COMMON_FF_CFG_FLAGS="$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="$COMMON_FF_CFG_FLAGS --enable-decoder=h264"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=mp3*"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=vp6f"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=flac"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=hevc"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=vp8"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=vp9"
export COMMON_FF_CFG_FLAGS="$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="$COMMON_FF_CFG_FLAGS --enable-decoder=mpeg4"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-decoder=mjpeg"
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="$COMMON_FF_CFG_FLAGS --enable-muxer=mp4"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-muxer=mjpeg"
# ./configure --list-demuxers
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-demuxers"
export COMMON_FF_CFG_FLAGS="$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="$COMMON_FF_CFG_FLAGS --enable-demuxer=live_flv"
export COMMON_FF_CFG_FLAGS="$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="$COMMON_FF_CFG_FLAGS --enable-demuxer=flac"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=hevc"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=webm_dash_manifest"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=mpeg4"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=rtsp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=mjpeg"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=avi"
# ./configure --list-parsers
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-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="$COMMON_FF_CFG_FLAGS --enable-parser=h264"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=flac"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=hevc"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=mpeg4"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=mpeg4video"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-parser=mpegvideo"
# ./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="$COMMON_FF_CFG_FLAGS --disable-bsf=hevc_mp4toannexb"
export COMMON_FF_CFG_FLAGS="$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="$COMMON_FF_CFG_FLAGS --disable-bsf=mpeg4_unpack_bframes"
export COMMON_FF_CFG_FLAGS="$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 --enable-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 --enable-protocol=sctp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-protocol=srtp"
export COMMON_FF_CFG_FLAGS="$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="$COMMON_FF_CFG_FLAGS --disable-filters"
# External library support:
export COMMON_FF_CFG_FLAGS="$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="$COMMON_FF_CFG_FLAGS --random-seed=VALUE"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-linux-perf"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --disable-bzlib"
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