+ struct FrameAndDisplay {
+ QFrame *frame;
+ JPEGFrameView *display;
+ QPushButton *preview_btn;
+ };
+ std::vector<FrameAndDisplay> displays;
+
+ // Used to get tally information, if a tally URL is set.
+ QNetworkAccessManager http;
+ QNetworkReply *http_reply = nullptr;
+
+ void change_num_cameras();