QT报错:QObject::connect: Cannot queue arguments of type ‘QImage&‘(Make sure ‘QImage&‘ is registered u
在使用QT中的connect函数传递两个线程之间的数据时报错:QObject::connect:Cannotqueueargumentsoftype'QImage&'(Makesure'QImage&'isregisteredusingqRegisterMetaType().)函数原型:connect(camera,&DahuaCamera::showImageSignal,this,&Bar::