Jplayer is the completely free and open source (gpl/mit) media library written in javascript. a jquery plugin, jplayer allows you to rapidly weave cross platform audio and video into your web pages.

jplayer supports all the major browsers (firefox, chrome, opera, safari, internet explorer, android browser), platforms (windows, linux, mac, android, ios, blackberry) and audio and video codecs (mp3, flv, mp4 (aac/h.264), ogg (vorbis/theora), webm (vorbis/vp8), wav).