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

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

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