tcrsdk Hierarchy Class Hierarchy NSObject CustomDataChannel TCRAudioFrame TCRLogManager TCRVideoFrame TcrSession UIView PcTouchView TCRVKeyGamepad Protocol References AudioSink CustomDataChannelObserver Gamepad Keyboard Mouse TCRAudioSessionDelegate TCRLogDelegate TouchScreen Constant References KeyType MicStatus TCRLogLevel TCRMouseCursorShowMode TCRMouseCursorTouchMode TCRMouseKeyType TcrCode TcrEvent