Media Player Codec Pack - Version 4.2.1 The Media Player Codec Pack is a free simple to install package of codecs/filters/splitters used for playing back movie and music files. After installation you will be able to play 99.9% of files through your media player, along with XCDs, VCDs, SVCDs, and DVDs.Additional file associations are applied to make Windows Media Player play BDMV (unencrypted BluRay/AVCHD), EVO (unencrypted HD-DVD), MKV, M2TS, MP4, VOB, OGM, WEBM, FLV, and NUV movie files, as well as AC3, DTS, FLAC, APE, OGG, WV, TTA, OFR, SHN music files, and finally MO3, IT, XM, S3M, MTM, MOD, and UMX tracker audio files. Compression types supported include AVC, H.264, x264, H.263, H.261, DivX, XviD, Flash Video, VP3-8, Morgan JPEG, MJPEG, MPEG4, MPEG2, along with many more.The package detects the best proof tested settings with additional options for CPU, GPU, and DXVA compatibility. Audio options during install allow users to set output from basic 2.0 channel stereo, right up to 7.1 channel output. Digital audio S/PDIF / HDMI passthrough for home theatre systems can be set