#!/bin/bash

export PREBUILT=$NDK_HOME/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86
export PLATFORM=$NDK_HOME/platforms/android-8/arch-arm

function build_one
{
./configure --target-os=linux \
--arch=arm \
--enable-version3 \
--enable-gpl \
--enable-nonfree \
--disable-stripping \
--disable-ffmpeg \
--disable-ffplay \
--disable-ffserver \
--disable-ffprobe \
--disable-symver \
--enable-encoders \
--enable-decoders \
--enable-muxers \
--disable-devices \
--disable-protocols \
--enable-protocol=file \
--enable-avfilter \
--enable-network \
--enable-avdevice \
--disable-asm \
--enable-cross-compile \
--enable-runtime-cpudetect \
--sysroot=$PLATFORM \
--disable-everything \
--disable-doc \
--enable-avresample \
--enable-demuxer=rtsp \
--enable-muxer=rtsp \
--enable-protocol=rtp \
--enable-hwaccels \
--enable-zlib \
--prefix=$PLATFORM/usr \
--cc=$PREBUILT/bin/arm-linux-androideabi-gcc \
--cross-prefix=$PREBUILT/bin/arm-linux-androideabi- \
--nm=$PREBUILT/bin/arm-linux-androideabi-nm \
--extra-cflags="-I$PLATFORM/usr/include -fPIC -DANDROID -D__thumb__ -mthumb -Wfatal-errors -Wno-deprecated -mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=armv7-a" \
--extra-ldflags="-Wl,-T,$PREBUILT/arm-linux-androideabi/lib/ldscripts/armelf_linux_eabi.x -Wl,-rpath-link=$PLATFORM/usr/lib -L$PLATFORM/usr/lib -nostdlib $PLATFORM/usr/lib/crtbegin_dynamic.o $PLATFORM/usr/lib/crtend_android.o -lc -lm -ldl" \

make -j4 install

rm -rf ../libs && mkdir ../libs && mkdir ../libs/armeabi
$PREBUILT/bin/arm-linux-androideabi-ar d libavcodec/libavcodec.a inverse.o
$PREBUILT/bin/arm-linux-androideabi-ld -rpath-link=$PLATFORM/usr/lib -L$PLATFORM/usr/lib -soname libffmpeg.so -shared -nostdlib  -z,noexecstack -Bsymbolic --whole-archive --no-undefined -o $PLATFORM/usr/libffmpeg.so libavcodec/libavcodec.a libavfilter/libavfilter.a libavresample/libavresample.a libavformat/libavformat.a libavutil/libavutil.a libswscale/libswscale.a -lc -lm -lz -ldl -llog --warn-once --dynamic-linker=/system/bin/linker $PREBUILT/lib/gcc/arm-linux-androideabi/4.4.3/libgcc.a
cp $PLATFORM/usr/libffmpeg.so ../libs/armeabi
}
build_one