anchor.diff:    int get textureId => _textureId;
   
     double get aspectRatio => (_width == 0 || _height == 0)
  -      ? 1
  +      ? 1.0
         : (_rotation == 90 || _rotation == 270)
             ? _height / _width
             : _width / _height;
   
  -  bool get flipHorizintal => _mirror;
  +  bool get mirror => _mirror;
   
     set mirror(bool mirror) {
       _mirror = mirror;
  
positive.code:     }
    }
  
    set objectFit(RTCVideoViewObjectFit objectFit) {
      _objectFit = objectFit;
    }
  
    set srcObject(MediaStream stream) {
  
negative.code:     super.initState();
      _setCallbacks();
      _aspectRatio = _renderer.aspectRatio;
      _mirror = _renderer.mirror;
      _objectFit = _renderer.objectFit;
    }
  
    @override
  