VLC media player is a highly portable multimedia player for various audio and video formats as well as DVDs, VCDs, and various streaming protocols without external codec or program.
It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6 on a high-bandwidth network.

 Features

Simple, fast and powerful media player.

Plays everything: Files, Discs, Webcams, Devices and Streams.

Plays most codecs with no codec packs needed:
MPEG-2, DivX, H.264, MKV, WebM, WMV, MP3...

Runs on all platforms: Windows, Linux, Mac OS X, Unix...

Completely Free, 0 spyware, 0 ads and no user tracking.

Can do media conversion and streaming. 


Video formats supported:

MPEG-1/2
DIVX (1/2/3)
MPEG-4 ASP, DivX 4/5/6, XviD, 3ivX D4
H.261
H.263 / H.263i
H.264 / MPEG-4 AVC
Cinepak
Theora
Dirac / VC-2
MJPEG (A/B)
WMV 1/2
WMV 3 / WMV-9 / VC-1 1
Sorenson 1/3 (Quicktime)
DV (Digital Video)
On2 VP3/VP5/VP6
Indeo Video v3 (IV32)
Indeo Video 4/5 (IV41, IV51)
Real Video 1/2
Real Video 3/4

Audio formats supported:

MPEG Layer 1/2
MP3 - MPEG Layer 3
AAC - MPEG-4 part3
Vorbis
AC3 - A/52 (Dolby Digital)
E-AC-3 (Dolby Digital Plus)
MLP / TrueHD">3
DTS
WMA 1/2
WMA 3 1
FLAC
ALAC
Speex
Musepack / MPC
ATRAC 3
Wavpack
Mod (.s3m, .it, .mod)
TrueAudio (TTA)
APE (Monkey Audio)
Real Audio 2
Alaw/µlaw
AMR (3GPP)
MIDI 3
LPCM
ADPCM
QCELP
DV Audio
QDM2/QDMC (QuickTime)
MACE