RCRTCVideoTextureViewDelegate Protocol Reference Conforms to NSObject Declared in RCRTCVideoTextureView.h – changeSize:height: required method - (void)changeSize:(int)width height:(int)height – changeRotation: required method - (void)changeRotation:(int)rotation – firstFrameRendered required method - (void)firstFrameRendered – frameRendered required method - (void)frameRendered