--- /dev/null
+#ifndef _CONTEXT_MENUS_H
+#define _CONTEXT_MENUS_H 1
+
+// Some context menus for controlling various I/O selections,
+// based on data from Mixer.
+
+class QMenu;
+
+// Populate a submenu for selecting output card, with an action for each card.
+// Will call into the mixer on trigger.
+void fill_hdmi_sdi_output_device_menu(QMenu *menu);
+
+// Populate a submenu for choosing the output resolution. Since this is
+// card-dependent, the entire menu is disabled if we haven't chosen a card
+// (but it's still there so that the user will know it exists).
+// Will call into the mixer on trigger.
+void fill_hdmi_sdi_output_resolution_menu(QMenu *menu);
+
+#endif // !defined(_CONTEXT_MENUS_H)