VLC media player is an open source video and audio player capable of playing almost any type of media including DVDs and VCDs. In addition to being able to play most video and audio files, VLC can also post free ads without registration
File extensions that can be opened by vlc-media-player

d1x.ASX	Advanced Stream Redirector
d1x.DTS	Digital Theater Systems Audio File
d1x.GXF	General eXchange Format
d1x.M2V	MPEG-2 Video
d1x.M3U	MP3 Uniform Resource Locator
d1x.M4V	MPEG-4 Video File
d1x.MPEG1	MPEG-1 Video
d1x.MPEG2	MPEG-2 Video
d1x.MTS	AVCHD Video File
d1x.MXF	Material eXchange Format
d1x.OGM	Ogg Multimedia Container File
d1x.PLS	Playlist
d1x.BUP	DVD Information File
d1x.A52	Dolby Digital AC-3 Compressed Audio File
d1x.AAC	Advanced Audio Coding Compressed Audio File
d1x.B4S	Winamp 3+ Playlist
d1x.CUE	Cue Sheet
d1x.DIVX	DivX Movie
d1x.DV	Digital Video
d1x.FLV	Flash Video
d1x.M1V	MPEG-1 Video
d1x.M2TS	MPEG-2 Transport Stream Videos
d1x.MKV	Matroska Video Stream
d1x.MOV	Apple QuickTime Movie
d1x.MPEG4	MPEG-4 Video
d1x.OMA	OpenMG Audio File
d1x.SPX	Ogg Speex Audio File
d1x.TS	DVD Video
d1x.VLC	VLC Media Player Data
d1x.VOB	DVD Video Object
d1x.XSPF	XML Shareable Playlist Format
d1x.DAT	VCD Video
d1x.BIN	Binary DVD Video
d1x.IFO	DVD Information File
d1x.PART	Partially Downloaded File
d1x.3G2	3G Mobile Phone Video
d1x.AVI	Audio Video Interleave
d1x.MPEG	MPEG Video
d1x.MPG	MPEG Video
d1x.FLAC	Free Lossless Audio Codec Compressed Audio FIle
d1x.M4A	MPEG-4 Audio File
d1x.MP1	MPEG-1 Audio Layer I
d1x.OGG	Ogg Multimedia Container File
d1x.WAV	Waveform Audio
d1x.XM	Extended Module Audio File
d1x.3GP	3G Mobile Phone Video
d1x.SRT	DVD Subtitles File
d1x.WMV	Windows Media Video
d1x.AC3	Dolby Digital AC-3 Compressed Audio File
d1x.ASF	Advanced Systems Format Video
d1x.MOD	MOD Audio File
d1x.MP2	MPEG-1 Audio Layer II
d1x.MP3	MPEG-1 Audio Layer 3
d1x.MP4	MPEG-4 Part 14 Multimedia Container
d1x.WMA	Windows Media Audio File
d1x.MKA	Matroska Audio Stream
d1x.M4P	Protected AAC File

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