ffmpeg 命令参数

Posted on by admin

1. 下载地址

https://ffmpeg.org/download.html
https://www.gyan.dev/ffmpeg/builds/
https://github.com/BtbN/FFmpeg-Builds/releases
https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-n7.1-latest-linux64-lgpl-shared-7.1.tar.xz
https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-n7.1-latest-linux64-lgpl-7.1.tar.xz
https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-n6.1-latest-win64-lgpl-shared-6.1.zip
https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-n6.1-latest-win64-lgpl-6.1.zip

 

2. 常用命令
视频缩放，

ffmpeg -i in.mp4 -vf "scale=iw*0.25:ih*0.25" -preset ultrafast -c:v libx264  out.mpt