ffdshow is a media encoding and decoding software developed by Milan Cutka and Peter Ross. It was released on May 2002. This program specializes on MPEG-4 ASP and AVC video format decoding. These include MPEG-4 Part 2 video formats like Xvid, DivX, and 3ivx. It also supports H.263, VP6, and Flash Video file formats. It also decodes video formats like Theora, H.264, and WMV. This program also provides audio decoding support for various audio file formats including MP3, AAC, WMA, FLAC, and DOLBY AC3.
ffdshow provides some video customization options to users. Users may add subtitles when encoding videos. This program also enables users to disable or enable some built-in codecs. It also enables users to grab screenshots and enable keyboard control support. This program also features some video enhancement options including adjustment options for sharpness, video resolution, and filter applications. This program also features audio manipulation options including a Dolby decoder, equalizer, reverb effects, and Winamp DSP plugin support. It also features audio filters similar to those offered by AviSynth and MPlayer project.
ffdshow features support compatibility to VFW or DirectShow media players including Winamp, Media Player Classic, and Windows Media Player. This avoids additional codec installations. It features a grey and blue Windows-based user interface with two windows. The left panel shows options for Codecs, DirectShow control, Info & CPU; Tray, dialog, & paths; and Profiles/Path Settings. Clicking on any of them shows the specific options on the other window.