FFmpeg Compiling for Android

Compilation Environment:

Debian x64

ndk-r14b

1. Installing ndk-r14b

Http://mirrors.neusoft.edu.cn/android/repository/android-ndk-r14b-linux-x86_64.zip

Installation:

Cd/opt/workspace && Unzip Android-ndk-r14b-linux-x86_64.zip

2. NDK compilation Environment setup script: setup_build_env.sh

1 export ndk=/opt/workspace/android-ndk-r14b2 export prebuilt= $NDK/toolchains/ arm-linux-androideabi-4.9/3 export platform= $NDK/platforms/android-9/arch- Arm 4 Export prefix=$ (pwd)/android-lib

2.1 Compiling libx264

git clone git://git.videolan.org/x264.git. ./setup_build_env. SH CD x264. /configure--prefix=--enable-static--enable---enable-pic--disable-asm--disable-cli--host=arm-  --cross-prefix= $PREBUILT/linux-x86_64/bin/arm-linux-androideabi---sysroot=$PLATFORM  Make  Make Install CD..

2.2 Compiling LIBFDK-AAC

git clone https://Github.com/mstorsjo/fdk-aac.git. ./SETUP_BUILD_ENVCD FDK-AAC./autogen.SHCFLAGS="-fpic-dandroid-fpic-mthumb-interwork-ffunction-sections-funwind-tables-fstack-protector-fno-short-enums-d_ _arm_arch_7__-wno-psabi-march=armv7-mtune=xscale-msoft-float-mthumb-os-fomit-frame-pointer-fno-strict-aliasing -finline-limit=64-dandroid-wa,--noexecstack-mmd-mp"Cross_compile= $PREBUILT/linux-x86_64/bin/arm-linux-androideabi-Export Cppflags="$CFLAGS"Export CFLAGS="$CFLAGS"Export Cxxflags="$CFLAGS"Export CXX="${cross_compile}g++--sysroot=${platform}"Export Ldflags="$LDFLAGS"Export CC="${CROSS_COMPILE}GCC--sysroot=${platform}"Export NM="${cross_compile}nm"Export STRIP="${cross_compile}strip"Export Thout-mp4v2 ranlib="${cross_compile}ranlib"Export AR="${cross_compile}ar"./configure--prefix= $PREFIX--without-mp4v2--host=arm-linux--enable-static--enable-shared Make Make InstallCD..

2.3 Compiling FFmpeg

. Setup_build_env.SHExport PREFIX=.. /ffmpeg-Lib MakeCleanconfigure_normal () {./configure--target-os=linux--prefix=$PREFIX--enable-cross-Compile--enable-runtime-Cpudetect--disable-asm--arch=Arm--cc= $PREBUILT/linux-x86_64/bin/arm-linux-androideabi-GCC --cross-prefix= $PREBUILT/linux-x86_64/bin/arm-linux-androideabi- --disable-Stripping--nm= $PREBUILT/linux-x86_64/bin/arm-linux-androideabi-nm--sysroot=$PLATFORM--ENABLE-GPL--enable-nonfree--enable-shared--enable-static--enable-Small--enable-libx264--enable-libfdk-AAC--extra-cflags="-I./deps/android-lib/include-fpic-dandroid-d__thumb__-mthumb-wfatal-errors-wno-deprecated-mfloat-abi= Softfp-marm-march=armv7-a" --extra-ldflags="-L./deps/android-lib/lib"}configure_normal Make Make Install

The installation directory after successful compilation is as follows:

ffmpeg-lib/├──bin│  ├──ffmpeg│  ├──ffprobe│  └──ffserver├──include│   ├──libavcodec│  │  ├──avcodec.h│  │  ├──avdct.h│  │   ├──avfft.h│  │  ├──d3d11va.h│  │  ├──dirac.h│  │   ├──dv_profile.h│  │  ├──dxva2.h│  │  ├──jni.h│  │   ├──mediacodec.h│  │  ├──qsv.h│  │  ├──vaapi.h│   │  ├──vda.h│  │  ├──vdpau.h│  │  ├──version.h│  │& nbsp; ├──videotoolbox.h│  │  ├──vorbis_parser.h│  │  └──xvmc.h│& nbsp; ├──libavdevice│  │  ├──avdevice.h│  │  └──version.h│ & nbsp ├──libavfilter│  │  ├──avfiltergraph.h│  │  ├──avfilter.h│  │  ├──buffersink.h│  │   ├──buffersrc.h│  │  └──version.h│  ├──libavformat│  │   ├──avformat.h│  │  ├──avio.h│  │  └──version.h│  ├── libavutil│  │  ├──adler32.h│  │  ├──aes_ctr.h│  │   ├──aes.h│  │  ├──attributes.h│  │  ├──audio_fifo.h│  │   ├──avassert.h│  │  ├──avconfig.h│  │  ├──avstring.h│   │  ├──avutil.h│  │  ├──base64.h│  │  ├──blowfish.h│& nbsp; │  ├──bprint.h│  │  ├──bswap.h│  │  ├──buffer.h│& nbsp; │  ├──camellia.h│  │  ├──cast5.h│  │  ├──channel_layout.h│  │  ├──common.h│  │   ├──cpu.h│  │  ├──crc.h│  │  ├──des.h│  │   ├──dict.h│  │  ├──display.h│  │  ├──downmix_info.h│  │   ├──error.h│  │  ├──eval.h│  │  ├──ffversion.h│  │   ├──fifo.h│  │  ├──file.h│  │  ├──frame.h│  │   ├──hash.h│  │  ├──hmac.h│  │  ├──hwcontext_cuda.h│ & nbsp │  ├──hwcontext_dxva2.h│  │  ├──hwcontext.h│  │  ├── Hwcontext_qsv.h│  │  ├──hwcontext_vaapi.h│  │  ├──hwcontext_vdpau.h│   │  ├──imgutils.h│  │  ├──intfloat.h│  │  ├──intreadwrite.h│  │  ├──lfg.h│  │ & nbsp ├──log.h│  │  ├──lzo.h│  │  ├──macros.h│  │  ├── Mastering_display_metadata.h│  │  ├──mathematics.h│  │  ├──md5.h│   │  ├──mem.h│  │  ├──motion_vector.h│  │  ├── murmur3.h│  │  ├──opt.h│  │  ├──parseutils.h│  │   ├──pixdesc.h│  │  ├──pixelutils.h│  │  ├──pixfmt.h│  │   ├──random_seed.h│  │  ├──rational.h│  │  ├──rc4.h│  │& nbsp; ├──replaygain.h│  │  ├──ripemd.h│  │  ├──samplefmt.h│   │  ├──sha512.h│  │   ├──sha.h│  │  ├──spherical.h│  │  ├──stereo3d.h│  │   ├──tea.h│  │  ├──threadmessage.h│  │  ├──timecode.h│   │  ├──time.h│  │  ├──timestamp.h│  │  ├──tree.h│   │  ├──twofish.h│  │  ├──version.h│  │  └──xtea.h│   ├──libpostproc│  │  ├──postprocess.h│  │  └──version.h│   ├──libswresample│  │  ├──swresample.h│  │  └──version.h│ & nbsp └──libswscale│  ├──swscale.h│  └──version.h├──lib│  ├──libavcodec.a│ &n Bsp ├──libavcodec.so, libavcodec.so.57.89.100│  ├──libavcodec.so.57, libavcodec.so.57.89.100│   ├──libavcodec.so.57.89.100│  ├──libavdevice.a│  ├──libavdevice.so-libavdevice.so.57.6.100│  ├──libavdevice.so.57- > libavdevice.so.57.6.100│  ├──libavdevice.so.57.6.100│  ├──libavfilter.a│   ├──libavfilter.so, Libavfilter.so.6.82.100│  ├──libavfilter.so.6, libavfilter.so.6.82.100│   ├──libavfilter.so.6.82.100│  ├──libavformat.a│  ├──libavformat.so libavformat.so.57.71.100│  ├──libavformat.so.57-libavformat.so.57.71.100│  ├── Libavformat.so.57.71.100│  ├──libavutil.a│  ├──libavutil.so-libavutil.so.55.58.100│   ├──libavutil.so.55-libavutil.so.55.58.100│  ├──libavutil.so.55.58.100│   ├──libpostproc.a│  ├──libpostproc.so-libpostproc.so.54.5.100│  ├──libpostproc.so.54- > Libpostproc.so.54.5.100│  ├──libpostproc.so.54.5.100│  ├──libswresaMple.a│  ├──libswresample.so, Libswresample.so.2.7.100│  ├──libswresample.so.2, libswresample.so.2.7.100│  ├──libswresample.so.2.7.100│  ├──libswscale.a│  ├── Libswscale.so, Libswscale.so.4.6.100│  ├──libswscale.so.4, libswscale.so.4.6.100│   ├──libswscale.so.4.6.100│  └──pkgconfig│  ├──libavcodec.pc│  ├──libavdevice.p     c│  ├──libavfilter.pc│  ├──libavformat.pc│  ├──libavutil.pc│   ├──libpostproc.pc│  ├──libswresample.pc│  └──libswscale.pc└──share├──doc│&nb Sp; └──ffmpeg├──ffmpeg│  ├──examples│  ├──ffprobe.xsd│  ├──lib Vpx-1080p50_60.ffpreset│  ├──libvpx-1080p.ffpreset│  ├──libvpx-360p.ffpreset│ &nb Sp ├──libvpx-720p50_60.ffpreset│ &nBsp └──libvpx-720p.ffpreset└──man├──man1└──man320 directories, 157 files

FFmpeg Compiling for Android