音视频实践学习

  • android全平台编译ffmpeg以及x264与fdk-aac实践
  • ubuntu下使用nginx和nginx-rtmp-module配置直播推流服务器
  • android全平台编译ffmpeg合并为单个库实践
  • android-studio使用cmake编译ffmpeg实践
  • android全平台编译ffmpeg视频解码器实践
  • android全平台编译ffmpeg支持命令行实践
  • android全平台编译ffmpeg视频推流实践
  • android平台下音频编码之编译LAME库转码PCM为MP3
  • ubuntu平台下编译vlc-android视频播放器实践
  • 图解YU12、I420、YV12、NV12、NV21、YUV420P、YUV420SP、YUV422P、YUV444P的区别
  • 图解RGB565、RGB555、RGB16、RGB24、RGB32、ARGB32等格式的区别
  • YUV420P、YUV420SP、NV12、NV21和RGB互相转换并存储为JPEG以及PNG图片
  • android全平台编译libyuv库实现YUV和RGB的转换

目录

  • 编译环境
  • 配置config.sh脚本
  • 配置合并脚本build_ffmpeg_merge.sh
  • 脚本地址

编译环境

操作系统：ubuntu 16.05

android-ndk-r10e

注意 这里如果使用高版本比如android-ndk-r16b 编译会报错

ffmpeg-3.3.8版本

配置config.sh脚本

#NDK路径export ANDROID_NDK_ROOT=/home/byhook/android/android-ndk-r10eexport AOSP_TOOLCHAIN_SUFFIX=4.9export AOSP_API="android-21"#架构if [ "$#" -lt 1 ]; thenTHE_ARCH=armv7elseTHE_ARCH=$(tr [A-Z] [a-z] <<< "$1")fi#根据不同架构配置环境变量case "$THE_ARCH" in  arm|armv5|armv6|armv7|armeabi)TOOLCHAIN_BASE="arm-linux-androideabi"TOOLNAME_BASE="arm-linux-androideabi"AOSP_ABI="armeabi"AOSP_ARCH="arch-arm"HOST="arm-linux-androideabi"AOSP_FLAGS="-march=armv5te -mtune=xscale -mthumb -msoft-float -funwind-tables -fexceptions -frtti"FF_EXTRA_CFLAGS="-O3 -fpic -fasm -Wno-psabi -fno-short-enums -fno-strict-aliasing -finline-limit=300 -mfloat-abi=softfp -mfpu=vfp -marm -march=armv6 "FF_CFLAGS="-O3 -Wall -pipe -ffast-math -fstrict-aliasing -Werror=strict-aliasing -Wno-psabi -Wa,--noexecstack -DANDROID  ";;  armv7a|armeabi-v7a)TOOLCHAIN_BASE="arm-linux-androideabi"TOOLNAME_BASE="arm-linux-androideabi"AOSP_ABI="armeabi-v7a"AOSP_ARCH="arch-arm"HOST="arm-linux-androideabi"AOSP_FLAGS="-march=armv7-a -mthumb -mfpu=vfpv3-d16 -mfloat-abi=softfp -Wl,--fix-cortex-a8 -funwind-tables -fexceptions -frtti"FF_EXTRA_CFLAGS="-DANDROID -fPIC -ffunction-sections -funwind-tables -fstack-protector -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -fomit-frame-pointer -fstrict-aliasing -funswitch-loops -finline-limit=300 "FF_CFLAGS="-O3 -Wall -pipe -ffast-math -fstrict-aliasing -Werror=strict-aliasing -Wno-psabi -Wa,--noexecstack -DANDROID  ";;  hard|armv7a-hard|armeabi-v7a-hard)TOOLCHAIN_BASE="arm-linux-androideabi"TOOLNAME_BASE="arm-linux-androideabi"AOSP_ABI="armeabi-v7a"AOSP_ARCH="arch-arm"HOST="arm-linux-androideabi"AOSP_FLAGS="-mhard-float -D_NDK_MATH_NO_SOFTFP=1 -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp -Wl,--fix-cortex-a8 -funwind-tables -fexceptions -frtti -Wl,--no-warn-mismatch -Wl,-lm_hard"FF_EXTRA_CFLAGS="-DANDROID -fPIC -ffunction-sections -funwind-tables -fstack-protector -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -fomit-frame-pointer -fstrict-aliasing -funswitch-loops -finline-limit=300 "FF_CFLAGS="-O3 -Wall -pipe -ffast-math -fstrict-aliasing -Werror=strict-aliasing -Wno-psabi -Wa,--noexecstack -DANDROID  ";;  neon|armv7a-neon)TOOLCHAIN_BASE="arm-linux-androideabi"TOOLNAME_BASE="arm-linux-androideabi"AOSP_ABI="armeabi-v7a"AOSP_ARCH="arch-arm"HOST="arm-linux-androideabi"AOSP_FLAGS="-march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp -Wl,--fix-cortex-a8 -funwind-tables -fexceptions -frtti"FF_EXTRA_CFLAGS="-DANDROID -fPIC -ffunction-sections -funwind-tables -fstack-protector -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -fomit-frame-pointer -fstrict-aliasing -funswitch-loops -finline-limit=300 "FF_CFLAGS="-O3 -Wall -pipe -ffast-math -fstrict-aliasing -Werror=strict-aliasing -Wno-psabi -Wa,--noexecstack -DANDROID  ";;  armv8|armv8a|aarch64|arm64|arm64-v8a)TOOLCHAIN_BASE="aarch64-linux-android"TOOLNAME_BASE="aarch64-linux-android"AOSP_ABI="arm64-v8a"AOSP_ARCH="arch-arm64"HOST="aarch64-linux"AOSP_FLAGS="-funwind-tables -fexceptions -frtti"FF_EXTRA_CFLAGS=""FF_CFLAGS="-O3 -Wall -pipe -ffast-math -fstrict-aliasing -Werror=strict-aliasing -Wno-psabi -Wa,--noexecstack -DANDROID  ";;  mips|mipsel)TOOLCHAIN_BASE="mipsel-linux-android"TOOLNAME_BASE="mipsel-linux-android"AOSP_ABI="mips"AOSP_ARCH="arch-mips"HOST="mipsel-linux"AOSP_FLAGS="-funwind-tables -fexceptions -frtti";;  mips64|mipsel64|mips64el)TOOLCHAIN_BASE="mips64el-linux-android"TOOLNAME_BASE="mips64el-linux-android"AOSP_ABI="mips64"AOSP_ARCH="arch-mips64"HOST="mipsel64-linux"AOSP_FLAGS="-funwind-tables -fexceptions -frtti";;  x86)TOOLCHAIN_BASE="x86"TOOLNAME_BASE="i686-linux-android"AOSP_ABI="x86"AOSP_ARCH="arch-x86"HOST="i686-linux"AOSP_FLAGS="-march=i686 -mtune=intel -mssse3 -mfpmath=sse -funwind-tables -fexceptions -frtti"FF_EXTRA_CFLAGS="-O3 -DANDROID -Dipv6mr_interface=ipv6mr_ifindex -fasm -Wno-psabi -fno-short-enums -fno-strict-aliasing -fomit-frame-pointer -march=k8 "FF_CFLAGS="-O3 -Wall -pipe -ffast-math -fstrict-aliasing -Werror=strict-aliasing -Wno-psabi -Wa,--noexecstack -DANDROID  ";;  x86_64|x64)TOOLCHAIN_BASE="x86_64"TOOLNAME_BASE="x86_64-linux-android"AOSP_ABI="x86_64"AOSP_ARCH="arch-x86_64"HOST="x86_64-linux"AOSP_FLAGS="-march=x86-64 -msse4.2 -mpopcnt -mtune=intel -funwind-tables -fexceptions -frtti"FF_EXTRA_CFLAGS="-O3 -DANDROID -Dipv6mr_interface=ipv6mr_ifindex -fasm -Wno-psabi -fno-short-enums -fno-strict-aliasing -fomit-frame-pointer -march=k8 "        FF_CFLAGS="-O3 -Wall -pipe -ffast-math -fstrict-aliasing -Werror=strict-aliasing -Wno-psabi -Wa,--noexecstack -DANDROID  ";;  *)echo "ERROR: Unknown architecture $1"[ "$0" = "$BASH_SOURCE" ] && exit 1 || return 1;;esacecho "TOOLCHAIN_BASE="$TOOLCHAIN_BASEecho "TOOLNAME_BASE="$TOOLNAME_BASEecho "AOSP_ABI="$AOSP_ABIecho "AOSP_ARCH="$AOSP_ARCHecho "AOSP_FLAGS="$AOSP_FLAGSecho "HOST="$HOST

注意: 需要将ANDROID_NDK_ROOT替换成你自己的路径,笔者这里使用的是android-ndk-r10e版本,高版本比如android-ndk-r16b会报错

配置合并脚本build_ffmpeg_merge.sh

#!/bin/bashARCH=$1source config.sh $ARCHLIBS_DIR=$(cd `dirname $0`; pwd)/libs/ffmpeg-mergeecho "LIBS_DIR="$LIBS_DIRcd ffmpeg-3.3.8PLATFORM=$ANDROID_NDK_ROOT/platforms/$AOSP_API/$AOSP_ARCHTOOLCHAIN=$ANDROID_NDK_ROOT/toolchains/$TOOLCHAIN_BASE-$AOSP_TOOLCHAIN_SUFFIX/prebuilt/linux-x86_64PREFIX=$LIBS_DIR/$AOSP_ABI##可根据自己需要配置./configure \--prefix=$PREFIX \--enable-cross-compile \--disable-runtime-cpudetect \--disable-asm \--arch=$AOSP_ABI \--target-os=android \--cc=$TOOLCHAIN/bin/$TOOLNAME_BASE-gcc \--cross-prefix=$TOOLCHAIN/bin/$TOOLNAME_BASE- \--disable-stripping \--nm=$TOOLCHAIN/bin/$TOOLNAME_BASE-nm \--sysroot=$PLATFORM \--enable-gpl \--enable-nonfree \--disable-shared \--enable-static \--enable-version3 \--enable-pthreads \--enable-small \--disable-vda \--disable-iconv \--disable-encoders \--enable-neon \--enable-yasm \--enable-encoder=mpeg4 \--enable-encoder=mjpeg \--enable-encoder=png \--enable-nonfree \--enable-muxers \--enable-muxer=mov \--enable-muxer=mp4 \--enable-muxer=h264 \--enable-muxer=avi \--enable-decoder=h264 \--enable-decoder=mpeg4 \--enable-decoder=mjpeg \--enable-decoder=png \--enable-demuxer=image2 \--enable-demuxer=h264 \--enable-demuxer=avi \--enable-demuxer=mpc \--enable-demuxer=mpegts \--enable-demuxer=mov \--enable-parser=ac3 \--enable-parser=h264 \--enable-protocols \--enable-zlib \--enable-avfilter \--enable-avresample \--enable-postproc \--enable-avdevice \--disable-outdevs \--disable-ffprobe \--disable-ffplay \--disable-ffmpeg \--disable-ffserver \--disable-debug \--disable-symver \--disable-stripping \--extra-cflags="$FF_EXTRA_CFLAGS  $FF_CFLAGS" \--extra-ldflags=""make cleanmake -j8make install#合并$TOOLCHAIN/bin/$TOOLNAME_BASE-ld -rpath-link=$PLATFORM/usr/lib -L$PLATFORM/usr/lib -L$PREFIX/lib -soname libffmpeg.so -shared -nostdlib -Bsymbolic --whole-archive --no-undefined -o $PREFIX/libffmpeg.so \    libavcodec/libavcodec.a \    libavfilter/libavfilter.a \    libavresample/libavresample.a \    libswresample/libswresample.a \    libavformat/libavformat.a \    libavutil/libavutil.a \    libswscale/libswscale.a \    libpostproc/libpostproc.a \    libavdevice/libavdevice.a \    -lc -lm -lz -ldl -llog --dynamic-linker=/system/bin/linker $TOOLCHAIN/lib/gcc/$TOOLNAME_BASE/4.9/libgcc.acd ..

开始合并

#合并单个bash build_ffmpeg_merge.sh armeabi-v7a#合并全平台bash build_ffmpeg_merge_all.sh

其中build_ffmpeg_merge_all.sh内容如下

for arch in armeabi armeabi-v7a arm64-v8a x86 x86_64do    bash build_ffmpeg_merge.sh $archdone

目录结构如下

android全平台编译ffmpeg合并为单个库实践_第1张图片

全部脚本地址:

https://github.com/byhook/ffmpeg4android

参考:
https://blog.csdn.net/leixiaohua1020/article/details/47011021

更多相关文章

  1. 2018-2019-2 20189205《移动平台应用开发实践》第六周作业
  2. Android 高管谈 Lollipop：为何它是 Android 重大版本更新？
  3. android全平台编译ffmpeg支持命令行实践
  4. Android 平台简介
  5. 生成release版本的Android係統
  6. NDK版本与Android固件要求对应表
  7. Android API版本对应Android系统版本及内核版本和代号
  8. Android版本演进史
  9. Visual Studio 跨平台开发实战(4) - Xamarin Android 基本控制项

随机推荐

  1. Android轻量级存储源码分析
  2. 获取Android(安卓)SDK 源代码并在Eclipse
  3. 实用Android(安卓)studio gradle的离线安
  4. android之activity全面解析
  5. Android(安卓)Chronometer控件开发
  6. Android(安卓)Activity生命周期和状态
  7. Android系统架构
  8. Svg标签跟学习
  9. 混淆Android(安卓)JAR包的方法
  10. android 多个按钮中一个高亮