Logger is now required

src/FFMpeg/Format/VideoFormat.php

@@ -11,17 +11,47 @@
 
 namespace FFMpeg\Format;
 
+/**
+ * The video format interface
+ *
+ * @author Romain Neutron imprec@gmail.com
+ */
 interface VideoFormat extends AudioFormat
 {
 
+    /**
+     * Returns the width
+     *
+     * @return integer
+     */
     public function getWidth();
 
+    /**
+     * Returns the height
+     *
+     * @return integer
+     */
     public function getHeight();
 
+    /**
+     * Returns the frame rate
+     *
+     * @return integer
+     */
     public function getFrameRate();
 
+    /**
+     * Returns the video codec
+     *
+     * @return string
+     */
     public function getVideoCodec();
 
+    /**
+     * Returns the GOP size
+     *
+     * @return integer
+     */
     public function getGOPSize();
 
     /**