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FFmpeg-Invoker/build_ffmpeg.sh

164 lines
5.0 KiB

#!/bin/bash
#
# Copyright (C) 2019 The Android Open Source Project
#
# 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.
#
FFMPEG_PATH=.
NDK_PATH=/Users/xch/Library/Android/sdk/ndk/21.0.5935234
HOST_PLATFORM="darwin-x86_64"
TOOLCHAIN_PREFIX="${NDK_PATH}/toolchains/llvm/prebuilt/${HOST_PLATFORM}/bin"
GCC_PREFIX="${NDK_PATH}/toolchains/llvm/prebuilt/${HOST_PLATFORM}/lib/gcc"
ENABLED_ENCODERS=(png)
ENABLED_DECODERS=(h264 png)
ENABLED_MUXERS=(h264 mp4 matroska image2)
ENABLED_DEMUXERS=(matroska concat rtsp)
ENABLED_PROTOCOLS=(file)
ENABLED_FILTERS=(scale format trim null)
COMMON_OPTIONS="
--target-os=android
--enable-small
--enable-static
--disable-shared
--disable-doc
--disable-everything
--disable-programs
--disable-protocols
--disable-parsers
--disable-filters
--disable-avdevice
--disable-postproc
--disable-symver
--disable-debug
"
for encoder in "${ENABLED_ENCODERS[@]}"
do
COMMON_OPTIONS="${COMMON_OPTIONS} --enable-encoder=${encoder}"
done
for decoder in "${ENABLED_DECODERS[@]}"
do
COMMON_OPTIONS="${COMMON_OPTIONS} --enable-decoder=${decoder}"
done
for muxer in "${ENABLED_MUXERS[@]}"
do
COMMON_OPTIONS="${COMMON_OPTIONS} --enable-muxer=${muxer}"
done
for demuxer in "${ENABLED_DEMUXERS[@]}"
do
COMMON_OPTIONS="${COMMON_OPTIONS} --enable-demuxer=${demuxer}"
done
for protocol in "${ENABLED_PROTOCOLS[@]}"
do
COMMON_OPTIONS="${COMMON_OPTIONS} --enable-protocol=${protocol}"
done
for filter in "${ENABLED_FILTERS[@]}"
do
COMMON_OPTIONS="${COMMON_OPTIONS} --enable-filter=${filter}"
done
COMMON_MERGE_OPTIONS="
libavcodec/libavcodec.a
libavfilter/libavfilter.a
libavformat/libavformat.a
libavutil/libavutil.a
libswresample/libswresample.a
libswscale/libswscale.a
-lc -lm -lz -ldl -llog --dynamic-linker=/system/bin/linker
"
cd "${FFMPEG_PATH}"
# (git -C ffmpeg pull || git clone git://source.ffmpeg.org/ffmpeg ffmpeg)
cd ffmpeg
git checkout release/4.2
# armeabi-v7a
SYSROOT="${NDK_PATH}/platforms/android-16/arch-arm"
PREFIX="android-libs/armeabi-v7a"
./configure \
--prefix=$PREFIX \
--arch=arm \
--cpu=armv7-a \
--cross-prefix="${TOOLCHAIN_PREFIX}/arm-linux-androideabi-" \
--nm="${TOOLCHAIN_PREFIX}/arm-linux-androideabi-nm" \
--cc="${TOOLCHAIN_PREFIX}/armv7a-linux-androideabi16-clang" \
--extra-cflags="-march=armv7-a -mfloat-abi=softfp" \
--extra-ldflags="-Wl,--fix-cortex-a8" \
--extra-ldexeflags=-pie \
${COMMON_OPTIONS}
make -j8
make install
${TOOLCHAIN_PREFIX}/arm-linux-androideabi-ld \
-rpath-link=$SYSROOT/usr/lib \
-L$SYSROOT/usr/lib \
-L$PREFIX/lib \
-soname libffmpeg.so -shared -nostdlib -Bsymbolic --whole-archive --no-undefined -o \
$PREFIX/libffmpeg.so \
${COMMON_MERGE_OPTIONS} \
${GCC_PREFIX}/arm-linux-androideabi/4.9.x/libgcc_real.a
${TOOLCHAIN_PREFIX}/arm-linux-androideabi-strip $PREFIX/libffmpeg.so
make clean
# arm64-v8a
SYSROOT="${NDK_PATH}/platforms/android-21/arch-arm64"
PREFIX="android-libs/arm64-v8a"
./configure \
--prefix=$PREFIX \
--arch=aarch64 \
--cpu=armv8-a \
--cross-prefix="${TOOLCHAIN_PREFIX}/aarch64-linux-android-" \
--nm="${TOOLCHAIN_PREFIX}/aarch64-linux-android-nm" \
--cc="${TOOLCHAIN_PREFIX}/aarch64-linux-android21-clang" \
--extra-ldexeflags=-pie \
${COMMON_OPTIONS}
make -j8
make install
${TOOLCHAIN_PREFIX}/aarch64-linux-android-ld \
-rpath-link=$SYSROOT/usr/lib \
-L$SYSROOT/usr/lib \
-L$PREFIX/lib \
-soname libffmpeg.so -shared -nostdlib -Bsymbolic --whole-archive --no-undefined -o \
$PREFIX/libffmpeg.so \
${COMMON_MERGE_OPTIONS} \
${GCC_PREFIX}/aarch64-linux-android/4.9.x/libgcc_real.a
${TOOLCHAIN_PREFIX}/aarch64-linux-android-strip $PREFIX/libffmpeg.so
make clean
# x86
SYSROOT="${NDK_PATH}/platforms/android-16/arch-x86"
PREFIX="android-libs/x86"
./configure \
--prefix=$PREFIX \
--arch=x86 \
--cpu=i686 \
--cross-prefix="${TOOLCHAIN_PREFIX}/i686-linux-android-" \
--nm="${TOOLCHAIN_PREFIX}/i686-linux-android-nm" \
--cc="${TOOLCHAIN_PREFIX}/i686-linux-android16-clang" \
--extra-ldexeflags=-pie \
--disable-asm \
${COMMON_OPTIONS}
make -j8
make install
${TOOLCHAIN_PREFIX}/i686-linux-android-ld \
-rpath-link=$SYSROOT/usr/lib \
-L$SYSROOT/usr/lib \
-L$PREFIX/lib \
-soname libffmpeg.so -shared -nostdlib -Bsymbolic --whole-archive --no-undefined -o \
$PREFIX/libffmpeg.so \
${COMMON_MERGE_OPTIONS} \
${GCC_PREFIX}/i686-linux-android/4.9.x/libgcc_real.a
${TOOLCHAIN_PREFIX}/i686-linux-android-strip $PREFIX/libffmpeg.so
make clean