Linux command
mencoder 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Convert video
mencoder [input.avi] -o [output.mp4] -ovc lavc -oac mp3lame
Extract audio
mencoder [video.avi] -o [audio.mp3] -ovc copy -oac mp3lame
Resize video
mencoder [input.avi] -o [output.avi] -vf scale=[640:480] -ovc lavc -oac copy
Two-pass encoding
mencoder [input.avi] -o /dev/null -ovc lavc -lavcopts vpass=1 && mencoder [input.avi] -o [output.avi] -ovc lavc -lavcopts vpass=2
Join videos
mencoder -ovc copy -oac copy -o [joined.avi] [file1.avi] [file2.avi]
说明
mencoder encodes video from MPlayer. It converts between formats and applies filters. The tool is part of MPlayer project. Superseded by FFmpeg in many cases.
参数
- -o _FILE_
- Output file.
- -ovc _CODEC_
- Video codec.
- -oac _CODEC_
- Audio codec.
- -vf _FILTERS_
- Video filters.
- --help
- Display help information.
FAQ
What is the mencoder command used for?
mencoder encodes video from MPlayer. It converts between formats and applies filters. The tool is part of MPlayer project. Superseded by FFmpeg in many cases.
How do I run a basic mencoder example?
Run `mencoder [input.avi] -o [output.mp4] -ovc lavc -oac mp3lame` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -o _FILE_ do in mencoder?
Output file.