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

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

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