基本配置
ubuntu18
ffmpeg4.1.3
fdk-aac2.0.0
NDK r20b

编译fdkaac静态库脚本

#!/bin/bashNDK=/系统ndk路径/android-ndk-r20bHOST_TAG=linux-x86_64TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/$HOST_TAGANDROID_LIB_PATH="$(pwd)/android"API=21function build_android_arm{echo "build for android $CPU"./configure \--host=$HOST \--disable-shared \--enable-static \--prefix="$ANDROID_LIB_PATH/$CPU" \ CPPFLAGS="-fPIC"make cleanmake -j8make installecho "building for android $CPU completed"}# armv7CPU=armv7HOST=arm-linux-androidexport AR=$TOOLCHAIN/bin/arm-linux-androideabi-arexport AS=$TOOLCHAIN/bin/arm-linux-androideabi-asexport LD=$TOOLCHAIN/bin/arm-linux-androideabi-ldexport RANLIB=$TOOLCHAIN/bin/arm-linux-androideabi-ranlibexport STRIP=$TOOLCHAIN/bin/arm-linux-androideabi-stripexport CC=$TOOLCHAIN/bin/armv7a-linux-androideabi$API-clangexport CXX=$TOOLCHAIN/bin/armv7a-linux-androideabi$API-clang++build_android_arm# armv8CPU=armv8HOST=aarch64-linux-androidexport AR=$TOOLCHAIN/bin/aarch64-linux-android-arexport AS=$TOOLCHAIN/bin/aarch64-linux-android-asexport LD=$TOOLCHAIN/bin/aarch64-linux-android-ldexport RANLIB=$TOOLCHAIN/bin/aarch64-linux-android-ranlibexport STRIP=$TOOLCHAIN/bin/aarch64-linux-android-stripexport CC=$TOOLCHAIN/bin/aarch64-linux-android$API-clangexport CXX=$TOOLCHAIN/bin/aarch64-linux-android$API-clang++build_android_arm

编译ffmpeg静态库脚本

NDK=/home/kyun/work/ndk/android-ndk-r20bHOST_TAG=linux-x86_64TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/$HOST_TAGANDROID_LIB_PATH="$(pwd)/android"SYSROOT=$NDK/toolchains/llvm/prebuilt/$HOST_TAG/sysrootAPI=21function build_android_arm{echo "Compiling FFmpeg for $CPU"./configure \--disable-stripping \--disable-ffmpeg \--disable-ffplay \--disable-ffprobe \--disable-avdevice \--disable-devices \--disable-indevs \--disable-outdevs \--disable-asm \--disable-doc \--enable-gpl \--enable-nonfree \--enable-version3 \--enable-static \--disable-shared \--enable-small \--enable-dct \--enable-dwt \--enable-lsp \--enable-mdct \--enable-rdft \--enable-fft \--disable-filters \--disable-postproc \--disable-bsfs \--enable-bsf=h264_mp4toannexb \--enable-decoder=h264 \--enable-bsf=aac_adtstoasc \--disable-encoders \--enable-encoder=pcm_s16le \--disable-decoders \--enable-decoder=mp3 \--enable-decoder=pcm_s16le \--disable-parsers \--enable-parser=aac \--enable-parser=mpegaudio \--disable-muxers \--enable-muxer=flv \--enable-muxer=wav \--enable-muxer=adts \--enable-muxer=mp3 \--disable-demuxers \--enable-demuxer=flv \--enable-demuxer=wav \--enable-demuxer=aac \--enable-demuxer=mp3 \--disable-protocols \--enable-protocol=rtmp \--enable-protocol=file \--disable-runtime-cpudetect \--enable-libfdk-aac \--enable-encoder=libfdk_aac \ --enable-decoder=libfdk_aac \--prefix="$PREFIX" \--cross-prefix="$CROSS_PREFIX" \--target-os=android \--arch="$ARCH" \--cpu="$CPU" \--cc="$CC" \--cxx="$CXX" \--enable-cross-compile \--sysroot="$SYSROOT" \--extra-cflags="-Os -fpic $OPTIMIZE_CFLAGS" \--extra-ldflags="-Lexternal-lib/fdk-aac/$CPU/"make cleanmake -j8make installecho "The Compilation of FFmpeg for $CPU is completed"}#armv8-aARCH=arm64CPU=armv8-aCC=$TOOLCHAIN/bin/aarch64-linux-android$API-clangCXX=$TOOLCHAIN/bin/aarch64-linux-android$API-clang++CROSS_PREFIX=$TOOLCHAIN/bin/aarch64-linux-android-PREFIX=$ANDROID_LIB_PATH/$CPUOPTIMIZE_CFLAGS="-march=$CPU -Iexternal-lib/fdk-aac/include"build_android_arm

Tips:集成到Android工程里时，由于是静态库，除引入ffmpeg静态库外，还需引入libfdk-aac.a
本文参考
最新FFMPEG移植Android