安装 gcc
apt-get install gcc
安装 make
apt-get install make

#!/bin/sh
cd /mnt/e/ffmpeg/4.0/build/ffmpeg-4.0
#这里的这些变量根据自己本地的环境切换
export NDK=/mnt/e/ffmpeg/SDK/android-ndk-r14b
export PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt
export PLATFORM=$NDK/platforms/android-16/arch-arm
export TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64
export CPU=arm
export PREFIX=/mnt/e/ffmpeg/4.0/build/android/$CPUbuild_one(){
./configure \
--target-os=linux \
--prefix=$PREFIX \
--enable-cross-compile \
--disable-asm \
--arch=$CPU \
--cross-prefix=$PREBUILT/linux-x86_64/bin/arm-linux-androideabi- \
--disable-stripping \
--nm=$PREBUILT/linux-x86_64/bin/arm-linux-androideabi-nm \
--sysroot=$PLATFORM \
--enable-gpl \
--enable-static \
--disable-shared \
--enable-small \
--disable-ffprobe \
--disable-ffplay \
--disable-ffmpeg \
--disable-debug \
$ADDITIONAL_CONFIGURE_FLAG
make clean
make j8
make install
}build_one$TOOLCHAIN/bin/arm-linux-androideabi-ld \
-rpath-link=$PLATFORM/usr/lib \
-L$PLATFORM/usr/lib \
-L$PREFIX/lib \
-soname libffmpeg.so -shared -nostdlib -Bsymbolic --whole-archive --no-undefined -o \
$PREFIX/libffmpeg.so \
libavcodec/libavcodec.a \
libavfilter/libavfilter.a \
libswresample/libswresample.a \
libavformat/libavformat.a \
libavutil/libavutil.a \
libswscale/libswscale.a \
libpostproc/libpostproc.a \
libavdevice/libavdevice.a \
-lc -lm -lz -ldl -llog --dynamic-linker=/system/bin/linker \
$TOOLCHAIN/lib/gcc/arm-linux-androideabi/4.9.x/libgcc.a \cd ..