Added runtime check of the ffmpeg version before starting the command in the ComplexMedia. Added the FFMpegDriver::getVersion() method.

src/FFMpeg/Driver/FFMpegDriver.php

@@ -16,6 +16,7 @@ use Alchemy\BinaryDriver\Configuration;
 use Alchemy\BinaryDriver\ConfigurationInterface;
 use Alchemy\BinaryDriver\Exception\ExecutableNotFoundException as BinaryDriverExecutableNotFound;
 use FFMpeg\Exception\ExecutableNotFoundException;
+use FFMpeg\Exception\RuntimeException;
 use Psr\Log\LoggerInterface;
 
 class FFMpegDriver extends AbstractBinary
@@ -54,4 +55,20 @@ class FFMpegDriver extends AbstractBinary
             throw new ExecutableNotFoundException('Unable to load FFMpeg', $e->getCode(), $e);
         }
     }
+
+    /**
+     * Get ffmpeg version.
+     *
+     * @return string
+     * @throws RuntimeException
+     */
+    public function getVersion()
+    {
+        preg_match('#version\s(\S+)#', $this->command('-version'), $version);
+        if (!isset($version[1])) {
+            throw  new RuntimeException('Cannot to parse the ffmpeg version!');
+        }
+
+        return $version[1];
+    }
 }