El Rincón del Tio Nuke

function open_video($atts, $content = null) {
        extract(shortcode_atts(array(
                "width" => '',
                "height" => '',
                "poster" => '',
                "ogv" => '',
                "mp4" => '',
                "flash" => ''
        ), $atts));
        global $post;
        /* Tomamos tamaños o si no tomamos valores por defecto */
		if (empty($width)) $width = "640";
		if (empty($height)) $height = "510";
 
        $salida = "<video";
		$salida .= " width=\"" . $width . "\" ";
		$salida .= " height=\"" . $height . "\" ";
 
		if (!empty($poster))
			$salida .= "poster=\"" . $poster . "\" "; 
 
		$salida .= "controls>";
 
		$salida .= "<source src=\"" . $ogv . "\" type=\"video/ogg\" />";
 
		if (!empty($mp4))
			$salida .= "<source src=\"" . $mp4 . "\" type=\"video/mp4\" />";
 
		$salida .= "<object width=\"" . $width . "\" height=\"" . $height . "\" type=\"application/x-shockwave-flash\"";
		$salida .= " data=\"" . $flash . "\">";
		$salida .= "<param name=\"movie\" value=\"" . $flash . "\" />";
		$salida .=	"
 
Necesitas el plugin de Flash para ver este vídeo
 
</object></video>";
 
		$salida .= "
 
<small>Descargar vídeo <a href=\"" . $ogv . "\">en formato libre ogv</a>";
 
		if (!empty($mp4))
			$salida .= " o <a href=\"" . $mp4 . "\">en formato mp4</a>.";
 
		$salida .= "</small>
 
";
        return $salida;
}
add_shortcode("open-video", "open_video");