Support for Wav and Aac audio encoding

src/FFMpeg/Format/Audio/Aac.php

@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of PHP-FFmpeg.
+ *
+ * (c) Alchemy <info@alchemy.fr>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace FFMpeg\Format\Audio;
+
+/**
+ * The AAC audio format
+ */
+class Aac extends DefaultAudio
+{
+    public function __construct()
+    {
+        $this->audioCodec = 'libfdk_aac';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getAvailableAudioCodecs()
+    {
+        return array('libfdk_aac');
+    }
+}