Simple shortcode callback for v2 NDN player

simple-ndn-embed.php

<?php
/*
Plugin Name: Doejo NDN Shortcode
Description: Simple NDN Shortcode
Author: Rinat Khaziev, doejo
Version: 0.7.5
Author URI: http://digitallyconscious.com

GNU General Public License, Free Software Foundation <http://creativecommons.org/licenses/GPL/2.0/>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/
/**
 * Shortcode callback [ndn id="123456789"]
 *
 * V2 responsive player
 *
 */
function doejo_ndn_embed( $atts ) {
	global $content_width;
	   extract( shortcode_atts( array(
	  'id' => '',
	  'width' => $content_width,
	  'height' => ( $content_width / 16 ) * 9,
     ), $atts ) );
	
	$id = (int) $id;
	$width = (int) $width;
	$height = (int) $height;

	if ( $id == 0 )
		return; // we don't have a valid video id, return
	ob_start();
?>
				<div id="my-ndn-player-<?php echo $id ?>" 
					class="ndn_embed" 
					data-config-widget-id="2"
					data-config-type="VideoPlayer/Single"
					style="<?php echo $width ?>px; height: <?php echo $height ?>px;"
					data-config-tracking-group="91046"
					data-config-video-id="<?php echo $id ?>"
				></div>
<?php
	return ob_get_clean();
}
add_shortcode( 'ndn', 'doejo_ndn_embed' );

add_action( 'wp_enqueue_scripts', 'doejo_ndn_script' );
function doejo_ndn_script() {
	wp_enqueue_script( 'doejo-ndn-player', 'http://launch.newsinc.com/js/embed.js', array(), false, true );
}