feat: expose rtc video value

depends on flutter-webrtc/webrtc-interface#30

Author: holzgeist

lib/src/native/rtc_video_platform_view_controller.dart

@@ -32,6 +32,9 @@ class RTCVideoPlatformViewController extends ValueNotifier<RTCVideoValue>
   @override
   int get videoHeight => value.height.toInt();
 
+  @override
+  RTCVideoValue get videoValue => value;
+
   @override
   int? get textureId => _viewId;
 

lib/src/native/rtc_video_renderer_impl.dart

@@ -38,6 +38,9 @@ class RTCVideoRenderer extends ValueNotifier<RTCVideoValue>
   @override
   int get videoHeight => value.height.toInt();
 
+  @override
+  RTCVideoValue get videoValue => value;
+
   @override
   int? get textureId => _textureId;
 

lib/src/web/rtc_video_renderer_impl.dart

@@ -72,6 +72,9 @@ class RTCVideoRenderer extends ValueNotifier<RTCVideoValue>
   @override
   int get videoHeight => value.height.toInt();
 
+  @override
+  RTCVideoValue get videoValue => value;
+
   @override
   int get textureId => _textureId;