<?php namespace Rafasamp\Sonus;

use Config;

/**
 * Laravel Audio Conversion Package
 *
 * This package is created to handle server-side conversion tasks using FFMPEG (http://www.fmpeg.org)
 *
 * @package    Laravel
 * @category   Bundle
 * @version    0.1
 * @author     Rafael Sampaio <rafaelsampaio@live.com>
 */

class Sonus
{
	
	protected $FFMPEG;

	public function __construct()
	{
		try 
		{
			$this->FFMPEG = Config::get('sonus::ffmpeg');
			if(file_exists($this->FFMPEG) === false)
			{
				throw new FileNotFoundException("Unable to access FFMPEG executable!");
			}

		} catch (Exception $e) {
			return $e;
		}
	}

}
<?php namespace Rafasamp\Sonus;

use Config;

/**
 * Laravel Audio Conversion Package
 *
 * This package is created to handle server-side conversion tasks using FFMPEG (http://www.fmpeg.org)
 *
 * @package    Laravel
 * @category   Bundle
 * @version    0.1
 * @author     Rafael Sampaio <rafaelsampaio@live.com>
 */

class Sonus
{
	
}
--- 
+++ 
@@ -16,4 +16,21 @@
 class Sonus
 {
 	
+	protected $FFMPEG;
+
+	public function __construct()
+	{
+		try 
+		{
+			$this->FFMPEG = Config::get('sonus::ffmpeg');
+			if(file_exists($this->FFMPEG) === false)
+			{
+				throw new FileNotFoundException("Unable to access FFMPEG executable!");
+			}
+
+		} catch (Exception $e) {
+			return $e;
+		}
+	}
+
 }
Check if FFMPEG exists using the path provided
