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_ffmpeg_build.sh
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_ffmpeg_build.sh
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#!/bin/bash
#
# Copyright 2016 Eng Chong Meng
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# set -x
# https://gcc.gnu.org/onlinedocs/gcc-4.9.4/gcc/Link-Options.html#Link-Options
# Data relocation and protection (RELRO): LDLFAGS="-z relro -z now"
# i686-linux-android-ld: -Wl,-z,relro -Wl,-z,now: unknown options
# lame checks stdlib for linkage! omit -nostdlib
# LDFLAGS='-pie -fuse-ld=gold -Wl,-z,relro -Wl,-z,now -nostdlib -lc -lm -ldl -llog'
# -fuse-ld=gold: use ld.gold linker but unavailable for ABI mips and mips64
# LDFLAGS='-pie -lc -lm -ldl -llog'
. _settings.sh "$@"
LIB_FFMPEG=ffmpeg
pushd ${LIB_FFMPEG} || return
VERSION=$(cat RELEASE)
echo -e "\n\n** BUILD STARTED: ${LIB_FFMPEG}-v${VERSION} for ${1} **"
# Must include option --disable-asm; otherwise ffmpeg-3.4.6 has problem and crash system:
# armeabi-v7a: org.atalk.android A/libc: Fatal signal 7 (SIGBUS), code 1, fault addr 0x9335c00c in tid 20032 (Loop thread: ne)
# x86: ./i686-linux-android/bin/ld: warning: shared library text segment is not shareable
# x86_64: e.g libswresample, libswscale, libavcodec: requires dynamic R_X86_64_PC32 reloc against ...
# libavcodec/x86/cabac.h:193:9: error: inline assembly requires more registers than available
# TA_OPTIONS="--disable-ffserver --disable-asm"
# Note: Use the following option for ffmpeg 4.0+ build
# Not valid for ffmpeg 4.0+: Removed the ffserver program
# --disable-ffserver \
# Must include option --disable-asm for v4.1.6+ for x86 and x86_64 build;
# libavcodec/x86/cabac.h:193:9: error: inline assembly requires more registers than available
TA_OPTIONS=""
case $1 in
armeabi)
LDFLAGS="${LDFLAGS} -Wl,-z,relro -Wl,-z,now"
;;
armeabi-v7a)
LDFLAGS="${LDFLAGS} -Wl,-z,relro -Wl,-z,now -Wl,--fix-cortex-a8"
;;
arm64-v8a)
# -Wl,--unresolved-symbols=ignore-in-shared-libs fixes x264 undefined references for arm64-v8a
LDFLAGS="${LDFLAGS} -Wl,-z,relro -Wl,-z,now"
;;
x86)
# required for x86 in ffmpeg v4.0+ (see note above)
TA_OPTIONS="--disable-asm"
LDFLAGS="${LDFLAGS}"
;;
x86_64)
TA_OPTIONS="--disable-asm"
LDFLAGS="${LDFLAGS}"
;;
mips)
LDFLAGS="${LDFLAGS} -Wl,-z,relro -Wl,-z,now"
;;
mips64)
LDFLAGS="${LDFLAGS} -Wl,-z,relro -Wl,-z,now"
;;
esac
# export LDFLAGS="-Wl,-rpath-link=${NDK_SYSROOT}/usr/lib -L${NDK_SYSROOT}/usr/lib ${LDFLAGS}"
INCLUDES=""
LIBS=""
MODULES=""
for m in "$@"
do
PREFIX_=${BASEDIR}/jni/$m/android/$1
# PREFIX_=../jni/$m/android/$1
[[ -d ${PREFIX}/lib/pkgconfig ]] || mkdir -p ${PREFIX}/lib/pkgconfig
case $m in
x264)
INCLUDES="${INCLUDES} -I${PREFIX_}/include/$m"
LIBS="${LIBS} -L${PREFIX_}/lib"
cp -r ${PREFIX_}/lib/pkgconfig ${PREFIX}/lib
MODULES="${MODULES} --enable-libx264 --enable-parser=h264"
# --enable-libopenh264 --enable-encoder=libopenh264 --enable-decoder=libopenh264 for openh264
;;
vpx)
INCLUDES="${INCLUDES} -I${PREFIX_}/include"
LIBS="${LIBS} -L${PREFIX_}/lib"
cp -r ${PREFIX_}/lib/pkgconfig ${PREFIX}/lib
MODULES="${MODULES} --enable-libvpx"
;;
png)
INCLUDES="${INCLUDES} -I${PREFIX_}/include"
LIBS="${LIBS} -L${PREFIX_}/lib"
cp -r ${PREFIX_}/lib/pkgconfig ${PREFIX}/lib
MODULES="${MODULES} --enable-libpng"
;;
lame)
INCLUDES="${INCLUDES} -I${PREFIX_}/include"
LIBS="${LIBS} -L${PREFIX_}/lib"
# cp -r ${PREFIX_}/lib/pkgconfig ${PREFIX}/lib/pkgconfig
MODULES="${MODULES} --enable-libmp3lame --disable-iconv"
;;
amrwb)
INCLUDES="${INCLUDES} -I${PREFIX_}/include"
LIBS="${LIBS} -L${PREFIX_}/lib"
cp -r ${PREFIX_}/lib/pkgconfig ${PREFIX}/lib
MODULES="${MODULES} --enable-libopencore-amrwb --enable-libvo-amrwbenc"
;;
esac
done
# libvpx does not support the build of share library
#
# --enable-gpl required for libpostproc build
# --disable-postproc: https://trac.ffmpeg.org/wiki/Postprocessing
# Anyway, most of the time it won't help to postprocess h.264, HEVC, VP8, or VP9 video.
# When NDK is r17c or higher, the following error happen (r16b is OK)
# libavdevice/v4l2.c:135:9: error: assigning to 'int (*)(int, unsigned long, ...)' from incompatible type '<overloaded function type>'
# SET_WRAPPERS();
# see https://github.com/tanersener/mobile-ffmpeg/issues/48 for solution
# do no set ld option and use as=gcc for clang
TC_OPTIONS="--nm=${NM} --ar=${AR} --as=${AS} --strip=${STRIP} --cc=${CC} --cxx=${CXX}"
# Below option not valid for ffmpeg-v1.0.10 (aTalk)
# CODEC_DISABLED='--disable-alsa --disable-appkit --disable-avfoundation --disable-libv4l2 --disable-audiotoolbox'
# --disable-programs --enable-x86asm \
FFMPEG_PKG_CONFIG=${BASEDIR}/ffmpeg-pkg-config
# FFMPEG_PKG_CONFIG=../ffmpeg-pkg-config
# PREFIX="../jni/ffmpeg/android/$1"
# --disable-ffserver \ # valid for ffmpeg-1.0.10 only
# Must include option --disable-asm for x86, otherwise
# libavcodec/x86/cabac.h:193:9: error: inline assembly requires more registers than available
# ffmpeg-1.0.10 has inline assembly error when using clang
if [[ $1 =~ x86.* ]] || [[ "${VERSION}" == 1.0.10 ]]; then
TA_OPTIONS="--disable-asm"
fi
PROGRAM="--disable-programs"
if [[ ${VERSION} == 1.0.10 ]]; then
PROGRAM="--disable-ffserver"
fi
make clean
./configure \
--prefix=${PREFIX} \
--cross-prefix=${CROSS_PREFIX} \
--sysroot=${NDK_SYSROOT} \
--arch=${NDK_ARCH} \
--cpu=${CPU} \
${TC_OPTIONS} \
--enable-static \
--disable-shared \
${TA_OPTIONS} \
--enable-cross-compile \
--target-os=android \
--enable-pic \
--disable-doc \
--disable-debug \
--disable-runtime-cpudetect \
--disable-pthreads \
--enable-hardcoded-tables \
${PROGRAM} \
--enable-version3 \
--disable-postproc \
--disable-programs \
--disable-ffmpeg \
--disable-ffplay \
--disable-ffprobe \
--disable-network \
--disable-iconv \
--enable-decoder=mjpeg \
--enable-parser=mjpeg \
--enable-filter=format \
--enable-filter=hflip \
--enable-filter=scale \
--enable-filter=nullsink \
--enable-filter=vflip \
${MODULES} \
--enable-gpl \
--extra-cflags="${INCLUDES} ${CFLAGS}" \
--extra-ldflags="${LIBS} ${LDFLAGS}" \
--extra-cxxflags="$CXXFLAGS" \
--extra-libs="-lgcc" \
--pkg-config=${FFMPEG_PKG_CONFIG} || exit 1
# --extra-libs="-lgcc -lstdc++" \
# -lstdc++ requires by openh264
make -j${HOST_NUM_CORES} install || exit 1
echo -e "** BUILD COMPLETED: ${LIB_FFMPEG}-v${VERSION} for ${1} **\n"
popd || exit