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

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

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