+
+ audio_input_submenu.setTitle("Audio input");
+ menu.addMenu(&audio_input_submenu);
+
+ // The same for resolution.
+ QMenu mode_submenu;
+ QActionGroup mode_group(&mode_submenu);
+ std::map<uint32_t, bmusb::VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
+ uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
+ bool has_auto_mode = false;
+ for (const auto &mode : video_modes) {
+ QString description(QString::fromStdString(mode.second.name));
+ QAction *action = new QAction(description, &mode_group);
+ action->setCheckable(true);
+ if (mode.first == current_video_mode) {
+ action->setChecked(true);
+ }
+ action->setData(QList<QVariant>{"video_mode", mode.first});
+ mode_submenu.addAction(action);
+
+ // TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
+ if (mode.first == 0) {
+ has_auto_mode = true;
+ }
+ }
+
+ // Add a “scan” menu if there's no “auto” mode.
+ if (!has_auto_mode) {
+ QAction *action = new QAction("Scan", &mode_group);
+ action->setData(QList<QVariant>{"video_mode", 0});
+ mode_submenu.addSeparator();
+ mode_submenu.addAction(action);
+ }
+
+ mode_submenu.setTitle("Input mode");
+ menu.addMenu(&mode_submenu);
+
+ // --- End of card-dependent choices ---
+
+ // Add an audio source selector.
+ QAction *audio_source_action = new QAction("Use as audio source", &menu);
+ audio_source_action->setCheckable(true);
+ if (global_mixer->get_audio_source() == signal_num) {
+ audio_source_action->setChecked(true);
+ audio_source_action->setEnabled(false);
+ }
+ menu.addAction(audio_source_action);
+
+ // And a master clock selector.
+ QAction *master_clock_action = new QAction("Use as master clock", &menu);
+ master_clock_action->setCheckable(true);
+ if (global_mixer->get_master_clock() == signal_num) {
+ master_clock_action->setChecked(true);
+ master_clock_action->setEnabled(false);
+ }
+ menu.addAction(master_clock_action);
+
+ // Show the menu and look at the result.