K-Lite Mega Codec Pack是解码器包的鼻祖，是K-Lite Codec Pack Full+QuickTime Alternative+Real Alternative的集成包,它将网络上常见的影音编码程式全部收集于一身，你只需要安装它，就可以利用Windows Media Player，BSplayer，kmplayer或其他常见的影片播放程序观赏这些格式的影片了。
K-Lite Mega Codec Pack的特点是兼容性好，占用系统资源小，不插启动项，不拖慢系统速度，安装和卸载都不用重启计算机。
Features of K-Lite Mega Codec Pack 1.66 :
• Player:
- Media Player Classic [version 6.4.9.0+ SVN build 2006-12-24]
• ffdshow:
- ffdshow [rev. 969]
- extra plugins
- ffdshow VFW interface
• DirectShow video filters:
- XviD [version 1.2.0-dev build 2006-11-02]
- DivX [version 6.5.1.0]
- On2 VP6 [version 6.4.2.0]
- On2 VP7 [version 7.0.10.0]
- MPEG-1 / MPEG-2 (Cyberlink) [version 6.0.0.3402]
- MPEG-1 / MPEG-2 (InterVideo) [version 7.0.27.191]
- MPEG-1 / MPEG-2 (DScaler5) [version 0.0.8.0]
- MPEG-1 / MPEG-2 (Gabest) [version 1.0.0.3]
- MPEG-1 / MPEG-2 (MainConcept) [version 1.0.0.78]
- MPEG-1 / MPEG-2 (Ligos) [version 4.0.0.77]
• VFW video codecs:
- XviD [version 1.2.0-dev build 2006-11-08]
- x264 [rev. 600]
- Windows Media 9 VCM [version 9.0.1.369]
- On2 VP6 [version 6.4.2.0] [Encoding]
- On2 VP7 [version 7.0.10.0] [Encoding]
- Intel Indeo [version 5.2562.15.54]
- Intel Indeo [version 4.51.16.2]
- Intel Indeo [version 3.24.15.03]
- Intel I.263 [version 2.55.1.16]
- huffyuv [version 2.1.1 CCE Patch 0.2.5]
- I420 (Helix) [version 1.2]
- YV12 (Helix) [version 1.2]
• QuickTime Alternative:
- QuickTime codecs [version 7.1.3.100]
- QuickTime plugin for Internet Explorer
- QuickTime plugin for Firefox/Mozilla/Netscape/Opera
- Extra QuickTime plugins
- QuickTime DirectShow parser
- QuickTime DirectShow decoder wrapper
• Real Alternative:
- RealMedia codecs [version 6.0.12.1741]
- RealMedia plugin for Internet Explorer
- RealMedia plugin for Firefox/Mozilla/Netscape/Opera
- RealMedia DirectShow splitter [version 1.0.1.1]
• DirectShow audio filters:
- MP3 (Fraunhofer) [version 1.9.0.311]
- AC3/DTS/LPCM (AC3Filter) [version 1.11]
- AC3/DTS/LPCM (InterVideo) [version 7.0.27.191]
- MP1/MP2 (MainConcept) [version 1.0.0.78]
- Vorbis (CoreVorbis) [version 1.1.0.79]
- AAC (CoreAAC) [version 1.2.0.575]
- AAC (3ivX Pro) [version D4 4.5.1]
- MusePack [version 1.0.0.3]
- Monkey's Audio [version 1.00]
- WavPack (CoreWavPack) [version 1.0.3]
- FLAC (illiminable) [version 0.73.1936]
- Voxware MetaSound [version 1.0.0.12]
- AAC encoder (3ivX Pro) [version D4 4.5.1]
• ACM audio codecs:
- MP3 (Fraunhofer) [version 3.3.2]
- MP3 (LAME) [version 3.97]
- AC3 (ffcHandler) [version 1.3.1]
- Vorbis [version 0.0.3.6]
- DivX ;) Audio [version 4.2.0.0]
• DirectShow source filters:
- MP4 splitter (Haali Media Splitter) [version 1.6.400.11]
- MP4 splitter (Gabest) [version 1.0.0.3]
- Matroska splitter (Haali Media Splitter) [version 1.6.400.11]
- Matroska splitter (Gabest) [version 1.0.2.9]
- Ogg splitter (Haali Media Splitter) [version 1.6.400.11]
- FLV splitter (Gabest) [version 1.0.0.1]
- MPEG-TS splitter (Haali Media Splitter) [version 1.6.400.11]
- MPEG demuxer (Cyberlink) [version 1.0.0.4528]
- MPEG demuxer (Gabest) [version 1.0.0.3]
- MPEG demuxer (MainConcept) [version 1.0.1.20]
- MPEG demuxer (Elecard) [version 1.0.31.51211]
- MP3 Source (DCoder) [version 1.3]
- SHOUTcast Source [version 1.0.0.1]
• DirectShow subtitle filter:
- DirectVobSub (a.k.a. VSFilter) [version 2.37]
- DirectVobSub (a.k.a. VSFilter) [version 2.33]
• DirectShow audio filters (general purpose):
- Morgan Multimedia Stream Switcher [version 0.9.9]
• Encoding tools:
- LAME CLI and DLL [version 3.97]
- LameDropXPd [version 3.97]
- OggDropXPd [version 1.8.9 aoTuVb5]
• Tools:
- GSpot Codec Information Appliance [version 2.70a]
- Sherlock [version 2.0]
- VobSubStrip [version 0.11]
- GraphEdit [build 041201]
有了K-Lite Mega Codec Pack这个最强的解码器包之后，只要选择自己喜欢的播放器就可以看电影了，Windows Media Player，BSplayer，kmplayer随便选，如果看HDTV，建议用BSplayer，播放起来流畅不卡。