Mediaelement.js Video SWF/FLV fails

<!-- Media Element Assets -->
<script src="mediaelement/build/mediaelement-and-player.min.js"></script>
<link rel="stylesheet" href="mediaelement/build/mediaelementplayer.min.css" />

<video width="640" height="480" id="player2" poster="myposters/flv-video-poster.jpg" controls="controls" preload="none">

    <object width="640" height="480" type="application/x-shockwave-flash" data="mediaelement/build/flashmediaelement.swf">
        <param name="movie" value="mediaelement/build/flashmediaelement.swf" />
        <param name="flashvars" value="controls=true&poster=myposters/flv-video-poster.jpg&file=medias/my-video-flv.flv" />
        <!-- Image fall back for non-HTML5 browser with JavaScript turned off and no Flash player installed -->
        <img src="myposters/flv-video-poster.jpg" width="640" height="480" alt="Here we are" title="No video playback capabilities" />
    </object>

</video>