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

sr2.ASX	Advanced Stream Redirector
sr2.DTS	Digital Theater Systems Audio File
sr2.GXF	General eXchange Format
sr2.M2V	MPEG-2 Video
sr2.M3U	MP3 Uniform Resource Locator
sr2.M4V	MPEG-4 Video File
sr2.MPEG1	MPEG-1 Video
sr2.MPEG2	MPEG-2 Video
sr2.MTS	AVCHD Video File
sr2.MXF	Material eXchange Format
sr2.OGM	Ogg Multimedia Container File
sr2.PLS	Playlist
sr2.BUP	DVD Information File
sr2.A52	Dolby Digital AC-3 Compressed Audio File
sr2.AAC	Advanced Audio Coding Compressed Audio File
sr2.B4S	Winamp 3+ Playlist
sr2.CUE	Cue Sheet
sr2.DIVX	DivX Movie
sr2.DV	Digital Video
sr2.FLV	Flash Video
sr2.M1V	MPEG-1 Video
sr2.M2TS	MPEG-2 Transport Stream Videos
sr2.MKV	Matroska Video Stream
sr2.MOV	Apple QuickTime Movie
sr2.MPEG4	MPEG-4 Video
sr2.OMA	OpenMG Audio File
sr2.SPX	Ogg Speex Audio File
sr2.TS	DVD Video
sr2.VLC	VLC Media Player Data
sr2.VOB	DVD Video Object
sr2.XSPF	XML Shareable Playlist Format
sr2.DAT	VCD Video
sr2.BIN	Binary DVD Video
sr2.IFO	DVD Information File
sr2.PART	Partially Downloaded File
sr2.3G2	3G Mobile Phone Video
sr2.AVI	Audio Video Interleave
sr2.MPEG	MPEG Video
sr2.MPG	MPEG Video
sr2.FLAC	Free Lossless Audio Codec Compressed Audio FIle
sr2.M4A	MPEG-4 Audio File
sr2.MP1	MPEG-1 Audio Layer I
sr2.OGG	Ogg Multimedia Container File
sr2.WAV	Waveform Audio
sr2.XM	Extended Module Audio File
sr2.3GP	3G Mobile Phone Video
sr2.SRT	DVD Subtitles File
sr2.WMV	Windows Media Video
sr2.AC3	Dolby Digital AC-3 Compressed Audio File
sr2.ASF	Advanced Systems Format Video
sr2.MOD	MOD Audio File
sr2.MP2	MPEG-1 Audio Layer II
sr2.MP3	MPEG-1 Audio Layer 3
sr2.MP4	MPEG-4 Part 14 Multimedia Container
sr2.WMA	Windows Media Audio File
sr2.MKA	Matroska Audio Stream
sr2.M4P	Protected AAC File

asr2   bsr2   csr2   dsr2   esr2   fsr2   gsr2   hsr2   isr2   jsr2   ksr2   lsr2   msr2   nsr2   osr2   psr2   qsr2   rsr2   ssr2   tsr2   usr2   vsr2   wsr2   xsr2   ysr2   zsr2   0sr2   1sr2   2sr2   3sr2   4sr2   5sr2   6sr2   7sr2   8sr2   9sr2