Legacy repository for Avisynth. Visit http://www.avisynth.nl/ or https://github.com/AviSynth for updated information. Avisynth is a scripting language and a collection of filters for simple (and not so simple!) non-linear video editing tasks. It frameserves video to applications. ffdshow is DirectShow and VFW codec for decoding/encoding many video and audio formats, including DivX and XviD movies