K-Lite Mega Codec Pack is a collection of codecs and related tools. Codec is short for Compressor-Decompressor. Codecs are needed for encoding and decoding (playing) audio and video. It is designed as a user-friendly solution for playing all your video files. You should be able to play all the popular movie formats and even some rare formats.

Player
Media Player Classic Homecinema [version 1.2.1008.0]
Media Player Classic [version 6.4.9.1 rev. 104]

ffdshow
ffdshow [revision 3029]
ffdshow VFW interface
extra plugins

DirectShow video decoding filters
XviD [version 1.2.2]
DivX [version 6.8.5]
On2 VP7 [version 7.0.10.0]
MPEG-2 (Cyberlink) [version 8.4.0.330]
MPEG-2 (Gabest) [version 1.0.0.4]

DirectShow audio decoding filters
AC3/DTS/LPCM (AC3Filter) [version 1.61b]
Vorbis (CoreVorbis) [version 1.1.0.79]
AAC (MONOGRAM) [version 0.9.6.0]

DirectShow audio parsers
FLAC (madFLAC) [version 1.8]
WavPack (CoreWavPack) [version 1.1.1]
MusePack (MONOGRAM) [version 0.9.2.0 | 0.4.0.0]
Monkey's Audio (DCoder) [version 1.0]
OptimFROG (RadLight) [version 1.0.0.1]
AMR (MONOGRAM) [version 1.0.1.0]
DC-Bass Source [version 1.2.0]
AC3/DTS Source (AC3File) [version 0.6b]

DirectShow source filters
AVI splitter (Gabest) [version 1.0.0.9]
AVI splitter (Haali Media Splitter) [version 1.9.42.1]
MP4 splitter (Haali Media Splitter) [version 1.9.42.1]
MP4 splitter (Gabest) [version 1.2.1160.0]
Matroska splitter (Haali Media Splitter) [version 1.9.42.1]
Matroska splitter (Gabest) [version 1.2.1160.0]
Ogg splitter (Haali Media Splitter) [version 1.9.42.1]
Ogg splitter (Gabest) [version 1.2.1160.0]
MPEG PS/TS splitter (Haali Media Splitter) [version 1.9.42.1]
MPEG PS/TS splitter (Gabest) [version 1.2.1164.0]
FLV splitter (Gabest) [version 1.0.0.5]
CDXA Reader (Gabest) [version 1.0.0.2]

DirectShow subtitle filter
DirectVobSub (a.k.a. VSFilter) [version 2.39.5.2]
DirectVobSub (a.k.a. VSFilter) [version 2.33]

Other filters
Haali Video Renderer [version 1.9.42.1]

VFW video codecs
XviD [version 1.2.2]
DivX [version 6.8.5]
x264 [revision 1145]
On2 VP6 [version 6.4.2.0]
On2 VP7 [version 7.0.10.0]
Intel Indeo 4 [version 4.51.16.2]
Intel Indeo 5 [version 5.2562.15.54]
Intel I.263 [version 2.55.1.16]
huffyuv [version 2.1.1 CCE Patch 0.2.5]
DivX [version 3.11]
YV12 (Helix) [version 1.2]

ACM audio codecs
MP3 (Fraunhofer) [version 3.4.0.0]
MP3 (LAME) [version 3.98.2]
AC3ACM [version 1.4]
Vorbis [version 0.0.3.6]
DivX WMA [version 4.2.0.0]

Real Alternative
RealMedia codecs [version 6.0.14.944]
RealMedia plugin for Internet Explorer
RealMedia plugin for Firefox/Mozilla/Netscape/Opera/Chrome
RealMedia DirectShow splitter [version 1.0.1.2]

Tools
Codec Tweak Tool [version 3.0.0]
GSpot Codec Information Appliance [version 2.70a]
MediaInfo Lite [version 0.7.18]
VobSubStrip [version 0.11]
GraphStudio [version 0.3.2.0]
Haali Muxer
FourCC Changer
Bitrate Calculator

What's New
Updated ffdshow to revision 3065
Updated Cyberlink MPEG-2 decoder to version 8.4.0.615
Updated AC3Filter to version 1.63b
Updated RealMedia splitter to version 1.3.1268.0
Updated Codec tweak Tool to version 3.1.0
New set of file type icons for Media Player Classic
Fixed file properties Explorer tab of Haali shell extension
Minor changes