Using ffmpeg to manipulate audio and video files

Narnach posted a link to howto-pages.org and tagged it with ffmpeg, howto

How to tame the "Swiss army knife" of audio and video manipulation…

Foreword
Introduction
Dependencies
The basics of audio/video
What is ffmpeg, then?
Building ffmpeg
Basic audio transcoding
Basic video transcoding
Cropping and padding the image
Processing portions of movies
Stripping audio or video
Mapping channels
Multiple sources
Delaying the audio or the video
Working with anamorphic video
Tips & tricks