Made Video size irrespective of frame size

Author: alexmercerind

lib/src/player.dart

@@ -12,14 +12,14 @@ import 'package:dart_vlc/src/device.dart';
 /// Provide a unique [id] while instanciating.
 ///
 /// ```dart
-/// Player player = Player(id: 0);
+/// Player player = new Player(id: 0);
 /// ```
 ///
 /// If you wish to use this instance for [Video] playback, then provide [videoWidth] & [videoHeight] optional parameters.
 /// Higher value may lead to degraded performance.
 ///
 /// ```dart
-/// Player player = await Player(
+/// Player player = new Player(
 ///   id: 0,
 ///   videoWidth: 1920,
 ///   videoHeight: 1080,

lib/src/widgets/video.dart

@@ -33,7 +33,7 @@ class VideoFrame {
 ///
 /// ```dart
 /// class _MyAppState extends State<MyApp> {
-///   Player player = Player(id: 0);
+///   Player player = new Player(id: 0);
 ///
 ///   @override
 ///   Widget build(BuildContext context) {
@@ -134,8 +134,8 @@ class VideoState extends State<Video> {
       ui.PixelFormat.bgra8888,
       (ui.Image _image) => imageCompleter.complete(_image),
       rowBytes: 4 * videoFrame.videoWidth,
-      targetWidth: videoFrame.videoWidth,
-      targetHeight: videoFrame.videoHeight,
+      targetWidth: widget.width.toInt(),
+      targetHeight: widget.height.toInt(),
     );
     ui.Image image = await imageCompleter.future;
     return new RawImage(