K-Lite Mega Codec Pack is a free software bundle which includes the K-Lite Codec Pack Full and Real Alternative. Codec is short for Compressor-Decompressor. Codecs are needed for encoding and decoding (playing) audio and video. The K-Lite Codec Pack is designed as a user-friendly solution for playing all your movie files. With the K-Lite Codec Pack you should be able to play all the popular movie formats and even some rare formats.

The K-Lite Codec Pack has a couple of major advantages compared to other codec packs:

  • It it always very up-to-date with the latest versions of the codecs.
  • It is very user-friendly and the installation is fully customizable, meaning that you can install only those components that you really want.
  • It has been very well tested, so that the package doesn´t contain any conflicting codecs.
  • It is a very complete package, containing everything you need to play your movies.

This Full Pack contains even more codecs. It also has encoding support for various formats. This package is for power users and people who do their own encodings

Contents of K-Lite Mega Codec Pack:

Player:
  • Media Player Classic Home Cinema 1.3.1752.0
  • Media Player Classic Home Cinema 1.2.1008.0
  • Media Player Classic 6.4.9.1 rev. 107 - This is a full-featured player with many options and useful functionality. It has internal filters for opening various container formats such as MP4, Matroska, FLV and Ogg. It is also capable of playing QuickTime and RealMedia content if those frameworks are installed. The Home Cinema version has internal DXVA decoders for H.264 and VC-1 video.

ffdshow:
  • ffdshow revision 3158 - ffdshow is a very powerful DirectShow filter that can decode many audio and video formats. It also contains lots of options for manipulation of the audio and video, such as resizing and post-processing. Examples of supported video formats are: DivX, Xvid, MPEG-4, H.264/AVC, MPEG-2, VC-1, H.263, FLV1, FLV4, VP3, VP6, Theora, SVQ1, SVQ3 and MJPEG. Examples of supported audio formats are: MP3, AAC, AC3, DTS, LPCM, Vorbis, MP1, MP2, E-AC3, Dolby TrueHD, AMR, Nellymoser and IMA ADPCM.
  • ffdshow VFW interface - VFW decoder that supports many video formats. VFW encoder for a few video formats: MPEG-4, DV, H.263, Theora, MPEG-2, MPEG-1, MJPEG and a couple more.
  • Extra plugins: KernelDeint and TomsMoComp deinterlacers, DScaler plugin, x264 encoder.

DirectShow video decoding filters:
  • Xvid 1.2.2 - For decoding Xvid MPEG-4 video. This is currently the most popular video format.
  • DivX [version 6.8.5]
  • DivX H.264 8.2.0.26 - For decoding H.264 video.
  • On2 VP7 7.0.10.0 - For decoding VP7 video. This format is not very common.
  • MPEG-2 (Cyberlink) 8.4.0.1014
  • MPEG-2 (Gabest) 1.0.0.4 - For decoding MPEG-2 video. The Cyberlink filter also support playback of DVD video in Windows Media Player and Windows Media Center. Windows Vista and Seven already contain a MPEG-2 decoder by default. So you don't need to install another one, unless you prefer it over the Microsoft decoder.
DirectShow audio decoding filters:
  • AC3/DTS/LPCM/MP1/MP2 (AC3Filter) 1.63b - For decoding AC3 and DTS audio. Also decodes DVD audio.
  • Vorbis (CoreVorbis) 1.1.0.79 - For decoding Vorbis audio. This is the recommended Vorbis decoder.
  • AAC (MONOGRAM) 0.9.6.0 - For decoding AAC audio.
DirectShow audio parsers:
  • LAC (madFLAC) 1.8 - Source filter and decoding filter for FLAC audio files (.flac).
  • WavPack (CoreWavPack) 1.1.1 - Source filter and decoding filter for WavPack audio files (.wv).
  • MusePack (MONOGRAM) 0.9.2.0 / 0.4.0.0 - Source filter and decoding filter for MusePack audio files (.mpc).
  • Monkey's Audio (DCoder) 1.0 - Source filter with integrated decoder for Monkey's Audio files (.ape .apl).
  • OptimFROG (RadLight) 1.0.0.1 - Source filter with integrated decoder for OptimFROG audio files (.ofr .ofs).
  • AMR (MONOGRAM) 1.0.1.0 - Source filter and decoding filter for AMR audio files (.amr). This filter is also able to encode and mux AMR audio.
  • DC-Bass Source 1.2.0 - Source filter with integrated decoders for the following audio file types: AAC (.aac .m4a), ALAC (.alac)
  • Tracker (.it .mo3 .mtm .s3m .umx .xm) and True Audio (.tta).
  • AC3/DTS Source (AC3File) 0.7b - Source filter for .ac3 and .dts files.
DirectShow source filters:
  • Haali Media Splitter [version 1.9.42.1]
  • AVI splitter (Gabest) [version 1.3.1748.0]
  • MP4 splitter (Gabest) [version 1.3.1748.0]
  • Matroska splitter (Gabest) [version 1.3.1748.0]
  • Ogg splitter (Gabest) [version 1.3.1748.0]
  • MPEG PS/TS splitter (Gabest) [version 1.3.1748.0]
  • FLV splitter (Gabest) [version 1.3.1748.0]
  • CDXA Reader (Gabest) [version 1.3.1748.0]
DirectShow subtitle filter:
  • DirectVobSub (VSFilter) 2.39.5.3
  • DirectVobSub (VSFilter) 2.33 - DirectVobSub is a filter for displaying subtitles (ssa/ass, srt and vobsub). Your subtitle file(s) should have the same filename as your video file (for example: MovieName.avi + MovieName.idx + MovieName.sub) and should be in the same folder as your video file. Then the subtitles will automatically be displayed in most players.
Other filters:
Haali Video Renderer 1.9.42.1 - Excellent video renderer that can be used as an alternative for the video renderers that Windows offers. Requires a modern graphics card with PixelShader 1.4 or higher.

VFW video codecs:
  • XviD [version 1.2.2]
  • DivX [version 6.8.5]
  • x264 [revision 1195]
  • 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 1.5]
  • Vorbis [version 0.0.3.6]
  • DivX WMA [version 4.2.0.0]
Real Alternative:
  • RealMedia components 12.0.0.614 - Required for playing RealMedia movies and audio.
  • RealMedia ActiveX control - For viewing RealMedia content in Internet Explorer. Other programs might also need this component.
  • RealMedia plugin for Firefox/Mozilla/Netscape/Opera/Chrome - For viewing RealMedia content in these browsers.
  • RealMedia DirectShow splitter 1.3.1748.0 - Allows you to play RealMedia files in all DirectShow enabled players. Without this filter RealMedia files can only be played in Media Player Classic. This filter only works with files that are on your harddrive. It does NOT work with streaming content. Therefore it is highly recommended to use Media Player Classic, because MPC does support streaming content.
Tools:
  • Codec Tweak Tool [version 4.2.2]
  • Win7DSFilterTweaker [version 3.0]
  • MediaInfo Lite [version 0.7.29]
  • GSpot Codec Information Appliance [version 2.70a]
  • VobSubStrip [version 0.11]
  • GraphStudio [version 0.3.2.0]
  • Haali Muxer
  • FourCC Changer
  • Bitrate Calculator
Note: Older versions of K-Lite Codec Pack Full which run on all operating systems can be downloaded here.

Source : http://www.freewarefiles.com
K-Lite Mega Codec Pack Download Link