ffmpeg cross compile for android

compile_android.sh

#! /usr/bin/env bash

OPTIONS="--disable-shared \
--enable-static \
--disable-stripping \
--disable-ffmpeg \
--disable-ffplay \
--disable-ffprobe \
--disable-avdevice \
--disable-indevs \
--disable-outdevs \
--disable-debug \
--disable-asm \
--disable-yasm \
--disable-doc \
--enable-small \
--enable-dct \
--enable-dwt \
--enable-lsp \
--enable-mdct \
--enable-rdft \
--enable-fft \
--enable-version3 \
--enable-nonfree \
--disable-filters \
--disable-postproc \
--disable-bsfs \
--enable-bsf=aac_adtstoasc \
--enable-bsf=h264_mp4toannexb \
--disable-encoders \
--enable-encoder=pcm_s161e \
--enable-encoder=aac \
--enable-encoder=libvo_aacenc \
--disable-decoders \
--enable-decoder=aac \
--enable-decoder=mp3 \
--enable-decoder=pcm_s161e \
--disable-parsers \
--enable-parser=aac \
--disable-muxers \
--enable-muxer=flv \
--enable-muxer=wav \
--enable-muxer=adts \
--disable-demuxers \
--enable-demuxer=flv \
--enable-demuxer=wav \
--enable-demuxer=aac \
--disable-protocols \
--enable-protocol=file \
--enable-cross-compile \
--disable-neon \
--disable-hwaccels \
--disable-gpl \
--disable-postproc \
--enable-shared \
--enable-jni \
--disable-mediacodec \
--disable-decoder=h264_mediacodec \
--disable-static \
--disable-doc \
--disable-ffmpeg \
--disable-ffplay \
--disable-ffprobe \
--disable-avdevice \
--disable-doc \
--disable-symver"

NDK=$ANDROID_NDK_ROOT20
TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/darwin-x86_64
API=29

function build_android
{
echo "Compiling FFmpeg for $CPU"
./configure \
    --prefix=$PREFIX \
    $OPTIONS \
    --cross-prefix=$CROSS_PREFIX \
    --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" \
    $ADDITIONAL_CONFIGURE_FLAG
make clean
make
make install
echo "The Compilation of FFmpeg for $CPU is completed"
}

#armv8-a
ARCH=arm64
CPU=armv8-a
CC=$TOOLCHAIN/bin/aarch64-linux-android$API-clang
CXX=$TOOLCHAIN/bin/aarch64-linux-android$API-clang++
SYSROOT=$TOOLCHAIN/sysroot
CROSS_PREFIX=$TOOLCHAIN/bin/aarch64-linux-android-
PREFIX=$(pwd)/android/$CPU
OPTIMIZE_CFLAGS="-march=$CPU"
build_android

#armv7-a
ARCH=arm
CPU=armv7-a
CC=$TOOLCHAIN/bin/armv7a-linux-android$API-clang
CXX=$TOOLCHAIN/bin/armv7a-linux-androideabi$API-clang++
SYSROOT=$TOOLCHAIN/sysroot
CROSS_PREFIX=$TOOLCHAIN/bin/arm-linux-androideabi-
PREFIX=$(pwd)/android/$CPU
OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfp -marm -march=$CPU "
build_android

#x86
ARCH=x86
CPU=x86
CC=$TOOLCHAIN/bin/i686-linux-android$API-clang
CXX=$TOOLCHAIN/bin/i686-linux-android$API-clang++
SYSROOT=$TOOLCHAIN/sysroot
CROSS_PREFIX=$TOOLCHAIN/bin/i686-linux-android-
PREFIX=$(pwd)/android/$CPU
OPTIMIZE_CFLAGS="-march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32"
build_android

#x86_64
ARCH=x86_64
CPU=x86-64
CC=$TOOLCHAIN/bin/x86_64-linux-android$API-clang
CXX=$TOOLCHAIN/bin/x86_64-linux-android$API-clang++
SYSROOT=$TOOLCHAIN/sysroot
CROSS_PREFIX=$TOOLCHAIN/bin/x86_64-linux-android-
PREFIX=$(pwd)/android/$CPU
OPTIMIZE_CFLAGS="-march=$CPU -msse4.2 -mpopcnt -m64 -mtune=intel"
build_android