added possibility to set timeout

src/FFMpeg/Binary.php

@@ -30,13 +30,19 @@ abstract class Binary implements AdapterInterface
      */
     protected $logger;
 
+    /**
+     * @var Integer
+     */
+    protected $timeout;
+
     /**
      * Binary constructor
      *
      * @param type   $binary The path file to the binary
      * @param Logger $logger A logger
+     * @param Integer $timeout The timout for the underlying process
      */
-    public function __construct($binary, Logger $logger)
+    public function __construct($binary, Logger $logger, $timeout = 60)
     {
         if (!is_executable($binary)) {
             throw new \FFMpeg\Exception\BinaryNotFoundException(sprintf('`%s` is not a valid binary', $binary));
@@ -44,6 +50,7 @@ abstract class Binary implements AdapterInterface
 
         $this->binary = $binary;
         $this->logger = $logger;
+        $this->timeout = $timeout;
     }
 
     /**

src/FFMpeg/FFMpeg.php

@@ -179,6 +179,8 @@ class FFMpeg extends Binary
 
         $builder = ProcessBuilder::create($options);
         $process = $builder->getProcess();
+        $process->setTimeout($this->timeout);
+
 
         $this->logger->addInfo(sprintf('FFmpeg executes command %s', $process->getCommandline()));