[+] 协议

docs/FFmpeg.md

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+# FFmpeg
+
+默认使用`ffmpeg-platform`所以不用安装，如果使用本地FFmpeg需要自己安装。
+
+## FFmpeg
+
+```
+# nasm
+wget https://www.nasm.us/pub/nasm/releasebuilds/2.14/nasm-2.14.tar.gz
+tar zxvf nasm-2.14.tar.gz
+cd nasm-2.14
+./configure --prefix=/usr/local/nasm
+make -j && make install
+# 环境变量
+vim /etc/profile
+export PATH=$PATH:/usr/local/nasm/bin
+source /etc/profile
+
+# yasm
+wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz
+tar zxvf yasm-1.3.0.tar.gz
+cd yasm-1.3.0
+./configure --prefix=/usr/local/yasm
+make -j && make install
+# 环境变量
+vim /etc/profile
+export PATH=$PATH:/usr/local/yasm/bin
+source /etc/profile
+
+# x264
+git clone https://code.videolan.org/videolan/x264.git
+cd x264
+./configure --prefix=/usr/local/x264 --libdir=/usr/local/lib --includedir=/usr/local/include --enable-shared --enable-static
+make -j && make install
+# 环境变量
+vim /etc/profile
+export PATH=$PATH:/usr/local/x264/bin
+source /etc/profile
+
+# 编码解码
+# acc
+https://github.com/mstorsjo/fdk-aac.git
+--enable-libfdk_aac
+# vpx
+https://github.com/webmproject/libvpx.git
+--enable-libvpx
+# x265
+https://bitbucket.org/multicoreware/x265
+--enable-libx265
+# opus
+https://archive.mozilla.org/pub/opus/opus-1.2.1.tar.gz
+--enable-libopus
+
+# ffmpeg
+wget http://www.ffmpeg.org/releases/ffmpeg-4.3.1.tar.xz
+tar xvJf ffmpeg-4.3.1.tar.xz
+cd ffmpeg-4.3.1
+./configure --prefix=/usr/local/ffmpeg --enable-gpl --enable-shared --enable-libx264
+# --enable-cuda --enable-cuvid --enable-nvenc --nvcc=/usr/local/cuda-11.0/bin/nvcc
+make -j && make install
+# 环境变量
+vim /etc/profile
+export PATH=$PATH:/usr/local/ffmpeg/bin
+source /etc/profile
+
+# lib
+vim /etc/ld.so.conf
+/usr/local/x264/lib/
+/usr/local/ffmpeg/lib/
+ldconfig
+
+# 查看版本
+ffmpeg -version
+# 查看编解码
+ffmpeg -codecs
+# 格式化文件
+ffmpeg -y -i source.mkv -c copy target.mp4
+# 查看文件格式
+ffprobe -v error -show_streams -print_format json source.mp4
+```
+
+## GPU
+
+```
+驱动
+# cuda
+https://developer.nvidia.com/cuda-downloads
+# nv-codec-headers
+https://git.videolan.org/git/ffmpeg/nv-codec-headers.git
+# 验证
+nvidia-smi
+```

docs/LINK.md

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+https://www.jianshu.com/p/fa047d7054eb
+https://www.jianshu.com/p/59da3d350488
+https://segmentfault.com/a/1190000039782685
+https://www.cnblogs.com/bolingcavalry/p/15473808.html
+http://www.manoner.com/post/音视频基础/WebRTC核心组件和协议栈/
+https://blog.csdn.net/eguid_1/article/details/117277841
+https://blog.csdn.net/xiang_6119/article/details/108779678
+https://blog.csdn.net/qq_40321119/article/details/108336324
+https://blog.csdn.net/ababab12345/article/details/115585378
+https://blog.csdn.net/jisuanji111111/article/details/121634199
+https://blog.csdn.net/weixin_48638578/article/details/120191152
+https://blog.csdn.net/weixin_45565568/article/details/108929438