Html video tag & javascript to access it.

video.html

<video id="player" preload="auto" controls autoplay poster="img/thumb.jpg">
    <source src="http://www.nicolas-hoffmann.net/animations/Cavernae_Terragen2.mp4" type="video/mp4" />
    <source src="http://www.nicolas-hoffmann.net/animations/Cavernae_Terragen2.webm" type="video/webm" />
    <source src="http://www.nicolas-hoffmann.net/animations/Cavernae_Terragen2.theora.ogv" type="video/ogg" />
        Alternate content
</video>

video.js

var $video = $('#player'),
  video = $video.get(0),
  currentTime = video.currentTime;

$video.bind("timeupdate", function() {
  currentTime = Math.round(this.currentTime-0.5);
});