ffmpeg_android.sh

#!/bin/env bash

#
# Usage: put this script int unpacket ffmpeg sources tree and run
# ./build-ffmeg-android.sh
# 
# This script was tested on NDK r7 and ffmpeg-0.10.2
#
# You need to set up NDK_HOME environment variable in your .bashrc something like that
# export NDK_HOME=/usr/local/java/android-ndk-r7
# 
#

RED_COLOR="\e[00;31m" # 
RESET="\e[00m"

if [ $NDK_HOME ]
then
  PLATFORM=$NDK_HOME/platforms/android-8/arch-arm/
  PREBUILT=$NDK_HOME/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86
else
  echo -e $RED_COLOR "Please set up NDK_HOME environment variable" $RESET
  exit 1
fi


function build_one
{
./configure --target-os=linux \
    --prefix=$PREFIX \
    --enable-cross-compile \
    --extra-libs="-lgcc" \
    --arch=arm \
    --cc=$PREBUILT/bin/arm-linux-androideabi-gcc \
    --cross-prefix=$PREBUILT/bin/arm-linux-androideabi- \
    --nm=$PREBUILT/bin/arm-linux-androideabi-nm \
    --sysroot=$PLATFORM \
    --extra-cflags=" -O3 -fpic -DANDROID -DHAVE_SYS_UIO_H=1 -Dipv6mr_interface=ipv6mr_ifindex -fasm -Wno-psabi -fno-short-enums  -fno-strict-aliasing -finline-limit=300 $OPTIMIZE_CFLAGS " \
    --disable-shared \
    --enable-static \
    --extra-ldflags="-Wl,-rpath-link=$PLATFORM/usr/lib -L$PLATFORM/usr/lib  -nostdlib -lc -lm -ldl -llog" \
    --disable-ffmpeg \
    --disable-ffplay \
    --disable-ffprobe \
    --disable-ffserver \
    --disable-debug \
    --disable-everything \
    --enable-network \
    --enable-avformat \
    --enable-avcodec \
    --enable-decoder=h264 \
    --enable-decoder=mjpeg \
    --enable-decoder=aac \
    --enable-parser=h264 \
    --enable-parser=mjpeg \
    --enable-parser=aac \
    --enable-demuxer=h264 \
    --enable-demuxer=mjpeg \
    --enable-demuxer=aac \
    --enable-demuxer=rtp \
    --enable-demuxer=rtsp \
    --enable-protocol=file \
    --enable-protocol=rtp \
    $ADDITIONAL_CONFIGURE_FLAG
 
make clean
make  -j4 install

# Uncomment this if you want *.so not *.a
#$PREBUILT/bin/arm-linux-androideabi-ar d libavcodec/libavcodec.a inverse.o
#$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 $PREFIX/libffmpeg.so libavcodec/libavcodec.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
}

CPU=armv5
OPTIMIZE_CFLAGS="-marm -march=$CPU"
PREFIX=./android/$CPU 
ADDITIONAL_CONFIGURE_FLAG=
build_one

 
#arm v6
#CPU=armv6
#OPTIMIZE_CFLAGS="-marm -march=$CPU"
#PREFIX=./android/$CPU 
#ADDITIONAL_CONFIGURE_FLAG=
#build_one
 
#arm v7vfpv3
#CPU=armv7-a
#OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=$CPU "
#PREFIX=./android/$CPU 
#ADDITIONAL_CONFIGURE_FLAG=
#build_one
 
#arm v7vfp
#CPU=armv7-a
#OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfp -marm -march=$CPU "
#PREFIX=./android/$CPU-vfp
#ADDITIONAL_CONFIGURE_FLAG=
#build_one
 
#arm v7n
#CPU=armv7-a
#OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=neon -marm -march=$CPU -mtune=cortex-a8"
#PREFIX=./android/$CPU 
#ADDITIONAL_CONFIGURE_FLAG=--enable-neon
#build_one