用FFmpeg旋转视频

下载并安装

# 下载
wget https://www.ffmpeg.org/releases/ffmpeg-4.0.tar.gz

# 解压安装
tar -zxvf ffmpeg-4.0.tar.gz
cd ffmpeg-4.0
./configure --enable-shared --prefix=/usr/local/ffmpeg
make
make install# 下载
wget https://www.ffmpeg.org