Boost、FFmpeg、OpenCV编译笔记

CentOS7CompileOpencvFFmpeg.md

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+# 编译ffmpeg
+
+省略下载步骤，下载内容见[FFmpeg官方编译Wiki](https://trac.ffmpeg.org/wiki/CompilationGuide)
+
+## 编译需要的容器
+
+```commandline
+docker run -it -d --privileged=true --name centos7 -p 2333:22 centos:7 /usr/sbin/init
+docker exec -it centos7 bash
+```
+
+```shell
+# 编译需要的环境
+yum install autoconf automake bzip2 bzip2-devel freetype-devel gcc gcc-c++ git libtool make pkgconfig zlib-devel
+
+# 解压源码
+tar xzvf ffmpeg_sources.tar.gz
+cd ~/ffmpeg_sources
+
+tar xjvf nasm-2.15.05.tar.bz2
+tar xzvf yasm-1.3.0.tar.gz
+tar xzvf lame-3.100.tar.gz
+tar xzvf opus-1.3.1.tar.gz
+tar zxvf libvpx.tar.gz -m
+tar zxvf ffmpeg-4.4.tar.gz
+tar zxvf x264-stable.tar.gz
+mv x264-stable x264
+tar zxvf x265_git.tar.gz
+tar zxvf fdk-aac.tar.gz
+
+# 手动安装cmake
+./cmake-3.21.3-linux-x86_64.sh --prefix=/usr/local
+mv /usr/local/cmake-3.21.3-linux-x86_64 /usr/local/cmake
+# 添加到环境变量并生效
+echo "export PATH=\$PATH:/usr/local/cmake/bin" >> ~/.bashrc
+source ~/.bashrc
+
+# 编译nasm
+cd ~/ffmpeg_sources/nasm-2.15.05
+./autogen.sh
+./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin"
+make -j6 && make install
+
+# 编译yasm
+cd ~/ffmpeg_sources/yasm-1.3.0
+./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin"
+make -j6 && make install
+
+# 编译x264
+cd ~/ffmpeg_sources/x264
+PATH="$HOME/bin:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin" --enable-static
+make -j6 && make install
+
+# 编译x265
+cd ~/ffmpeg_sources/x265_git/build/linux
+cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX="$HOME/ffmpeg_build" -DENABLE_SHARED:bool=off ../../source
+make -j6 && make install
+
+# 编译fdk-aac
+cd ~/ffmpeg_sources/fdk-aac
+autoreconf -fiv
+./configure --prefix="$HOME/ffmpeg_build" --disable-shared
+make -j6 && make install
+
+# 编译lame
+cd ~/ffmpeg_sources/lame-3.100
+./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin" --disable-shared --enable-nasm
+make -j6 && make install
+
+# 编译opus
+cd ~/ffmpeg_sources/opus-1.3.1
+./configure --prefix="$HOME/ffmpeg_build" --disable-shared
+make -j6 && make install
+
+# 编译vpx
+cd ~/ffmpeg_sources/libvpx
+./configure --prefix="$HOME/ffmpeg_build" --disable-examples --disable-unit-tests --enable-vp9-highbitdepth --as=yasm
+make -j6 && make install
+
+# 编译ffmpeg
+cd ~/ffmpeg_sources/ffmpeg-4.4 
+PATH="$HOME/bin:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure \
+  --prefix="$HOME/ffmpeg_build" \
+  --pkg-config-flags="--static" \
+  --extra-cflags="-I$HOME/ffmpeg_build/include" \
+  --extra-ldflags="-L$HOME/ffmpeg_build/lib" \
+  --extra-libs=-lpthread \
+  --extra-libs=-lm \
+  --bindir="$HOME/bin" \
+  --enable-gpl \
+  --enable-libfdk_aac \
+  --enable-libfreetype \
+  --enable-libmp3lame \
+  --enable-libopus \
+  --enable-libvpx \
+  --enable-libx264 \
+  --enable-libx265 \
+  --enable-nonfree \
+  --enable-shared
+make -j6 && make install
+```
+
+# 编译opencv
+
+```shell
+# wget  -DCMAKE_INSTALL_PREFIX=/usr/local/
+mkdir build && cd build
+PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DWITH_FFMPEG=ON ../
+make -j6 && make install
+```

CompileBoost.md

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+# 编译boost[^1]
+
+## 编译环境
+
+```shell
+yum install -y gcc gcc-c++ make wget
+```
+
+## 下载
+
+boost库[官方下载网页](https://www.boost.org/users/download/)
+
+```shell
+wget https://boostorg.jfrog.io/artifactory/main/release/1.77.0/source/boost_1_77_0.tar.gz
+```
+
+## 编译
+
+```shell
+tar -zxvf boost_1_77_0.tar.gz
+cd boost_1_77_0
+./bootstrap.sh
+./b2 -a link=static cxxflags='-fPIC -std=c++11' --with-thread install
+```
+
+[^1]: Boost Getting Started on Unix Variants https://www.boost.org/doc/libs/1_77_0/more/getting_started/unix-variants.html#id25