Add the hasAudio/hasVideo properties from MediaPlayer to Video.

Change-Id: I167184c3622c4fcb0843b17f2ab803b0bbf104fa
Reviewed-by: Mithra Pattison <mithra.pattison@nokia.com>
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>

src/imports/multimedia/Video.qml

@@ -192,6 +192,20 @@ Item {
     */
     property alias errorString:     player.errorString
 
+    /*!
+        \qmlproperty bool Video::hasAudio
+
+        This property holds whether the current media has audio content.
+    */
+    property alias hasAudio:        player.hasAudio
+
+    /*!
+        \qmlproperty bool Video::hasVideo
+
+        This property holds whether the current media has video content.
+    */
+    property alias hasVideo:        player.hasVideo
+
     /* documented below due to length of metaData documentation */
     property alias metaData:        player.metaData
 

src/imports/multimedia/Video_4.qml

@@ -57,6 +57,8 @@ Item {
     property alias duration:        player.duration
     property alias error:           player.error
     property alias errorString:     player.errorString
+    property alias hasAudio:        player.hasAudio
+    property alias hasVideo:        player.hasVideo
     property alias metaData:        player.metaData
     property alias muted:           player.muted
     property alias paused:          player.paused