Make it possible to choose the DeckLink output video mode through the GUI.

[nageru] / glwidget.cpp

diff --git a/glwidget.cpp b/glwidget.cpp
index 9aba1b3d61aa144d1f1d7c8ebc1cc832751c5b22..34943389e6aa0b3429ea8d8073f1a374a6ea9e46 100644 (file)
--- a/glwidget.cpp
+++ b/glwidget.cpp
@@ -141,7 +141,7 @@ void GLWidget::show_live_context_menu(const QPoint &pos)
        if (current_card == -1) {
                none_action->setChecked(true);
        }
-       none_action->setData(-1);
+       none_action->setData(QList<QVariant>{"output_card", -1});
        card_submenu.addAction(none_action);
 
        unsigned num_cards = global_mixer->get_num_cards();
@@ -156,18 +156,51 @@ void GLWidget::show_live_context_menu(const QPoint &pos)
                if (current_card == int(card_index)) {
                        action->setChecked(true);
                }
-               action->setData(card_index);
+               action->setData(QList<QVariant>{"output_card", card_index});
                card_submenu.addAction(action);
        }
 
        card_submenu.setTitle("HDMI/SDI output");
        menu.addMenu(&card_submenu);
 
+       // Add a submenu for choosing the output resolution. Since this is
+       // card-dependent, it is disabled if we haven't chosen a card
+       // (but it's still there so that the user will know it exists).
+       QMenu resolution_submenu;
+       QActionGroup resolution_group(&resolution_submenu);
+       if (current_card == -1) {
+               resolution_submenu.setEnabled(false);
+       } else {
+               uint32_t current_mode = global_mixer->get_output_video_mode();
+               map<uint32_t, bmusb::VideoMode> video_modes = global_mixer->get_available_output_video_modes();
+               for (const auto &mode : video_modes) {
+                       QString description(QString::fromStdString(mode.second.name));
+                       QAction *action = new QAction(description, &resolution_group);
+                       action->setCheckable(true);
+                       if (current_mode == mode.first) {
+                               action->setChecked(true);
+                       }
+                       action->setData(QList<QVariant>{"video_mode", mode.first});
+                       resolution_submenu.addAction(action);
+               }
+       }
+
+       resolution_submenu.setTitle("HDMI/SDI output resolution");
+       menu.addMenu(&resolution_submenu);
+
        // Show the menu and look at the result.
        QAction *selected_item = menu.exec(global_pos);
        if (selected_item != nullptr) {
-               int output_card = selected_item->data().toInt(nullptr);
-               global_mixer->set_output_card(output_card);
+               QList<QVariant> selected = selected_item->data().toList();
+               if (selected[0].toString() == "output_card") {
+                       unsigned output_card = selected[1].toUInt(nullptr);
+                       global_mixer->set_output_card(output_card);
+               } else if (selected[0].toString() == "video_mode") {
+                       uint32_t mode = selected[1].toUInt(nullptr);
+                       global_mixer->set_output_video_mode(mode);
+               } else {
+                       assert(false);
+               }
        }
 }