<video id="video" controls loop>
<source src="portada_2.ogv" type="video/ogg" />
<source src="portada_2.mp4" type="video/mp4" />
<source src="portada_2.webm" type="video/webm" />
<object type="application/x-shockwave-flash" width="360" height="240" data="FLVPlayer_Progressive.swf"=portada_2.mp4">
<param name="movie" value="player.swf?file=portada_2.mp4" />
</object>
</video>
lo de flash esta mal...