NBMRenderer Protocol Reference Conforms to RTCVideoRenderer Declared in NBMRenderer.h delegate required method @property (nonatomic, weak) id<NBMRendererDelegate> delegate videoTrack required method @property (nonatomic, strong) RTCVideoTrack *videoTrack videoSize required method @property (nonatomic, assign, readonly) CGSize videoSize rendererView required method @property (nonatomic, strong, readonly) UIView *rendererView hasVideoData required method @property (atomic, assign, readonly) BOOL hasVideoData