Apple: request authorization for camera usage

src/citra_qt/camera/qt_multimedia_camera.cpp

@@ -9,6 +9,7 @@
 #include <QThread>
 #include "citra_qt/camera/qt_multimedia_camera.h"
 #include "citra_qt/main.h"
+#include "citra_qt/usage_authorization.h"
 
 namespace Camera {
 
@@ -187,6 +188,13 @@ void QtMultimediaCameraHandler::StopCamera() {
 }
 
 void QtMultimediaCameraHandler::StartCamera() {
+#if defined(__APPLE__)
+    bool authorized = AppleAuthorization::CheckAuthorizationForCamera();
+    if (!authorized) {
+        LOG_ERROR(Service_CAM, "Unable to start camera due to lack of authorization");
+        return;
+    }
+#endif
     camera->setViewfinderSettings(settings);
     camera->start();
     started = true;