Make sure MIDI mapping extrapolation doesn't give out-of-range values.

[nageru] / mainwindow.cpp

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 9e4ad0d9e5dc4b6fa48036d6ea848bb51603145d..f312705dac51839739fe206033b26a81373dd40a 100644 (file)
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -25,6 +25,8 @@
 #include "glwidget.h"
 #include "input_mapping_dialog.h"
 #include "lrameter.h"
+#include "midi_mapping.pb.h"
+#include "midi_mapping_dialog.h"
 #include "mixer.h"
 #include "post_to_main_thread.h"
 #include "ui_audio_miniview.h"
@@ -144,7 +146,7 @@ void set_peak_label(QLabel *peak_label, float peak_db)
 }  // namespace
 
 MainWindow::MainWindow()
-       : ui(new Ui::MainWindow)
+       : ui(new Ui::MainWindow), midi_mapper(this)
 {
        global_mainwindow = this;
        ui->setupUi(this);
@@ -168,6 +170,7 @@ MainWindow::MainWindow()
        connect(ui->simple_audio_mode, &QAction::triggered, this, &MainWindow::simple_audio_mode_triggered);
        connect(ui->multichannel_audio_mode, &QAction::triggered, this, &MainWindow::multichannel_audio_mode_triggered);
        connect(ui->input_mapping_action, &QAction::triggered, this, &MainWindow::input_mapping_triggered);
+       connect(ui->midi_mapping_action, &QAction::triggered, this, &MainWindow::midi_mapping_triggered);
 
        if (global_flags.x264_video_to_http) {
                connect(ui->x264_bitrate_action, &QAction::triggered, this, &MainWindow::x264_bitrate_triggered);
@@ -206,6 +209,17 @@ MainWindow::MainWindow()
        connect(new QShortcut(QKeySequence::MoveToPreviousPage, this), &QShortcut::activated, switch_page);
 
        last_audio_level_callback = steady_clock::now() - seconds(1);
+
+       if (!global_flags.midi_mapping_filename.empty()) {
+               MIDIMappingProto midi_mapping;
+               if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
+                       fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
+                               global_flags.midi_mapping_filename.c_str());
+                       exit(1);
+               }
+               midi_mapper.set_midi_mapping(midi_mapping);
+       }
+       midi_mapper.start_thread();
 }
 
 void MainWindow::resizeEvent(QResizeEvent* event)
@@ -330,6 +344,7 @@ void MainWindow::reset_audio_mapping_ui()
        ui->simple_audio_mode->setChecked(simple);
        ui->multichannel_audio_mode->setChecked(!simple);
        ui->input_mapping_action->setEnabled(!simple);
+       ui->midi_mapping_action->setEnabled(!simple);
 
        ui->locut_enabled->setVisible(simple);
        ui->gainstaging_label->setVisible(simple);
@@ -551,6 +566,11 @@ void MainWindow::input_mapping_triggered()
        }
 }
 
+void MainWindow::midi_mapping_triggered()
+{
+       MIDIMappingDialog(&midi_mapper).exec();
+}
+
 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
 {
        if (bus_index == 0) {
@@ -821,6 +841,99 @@ void MainWindow::relayout()
        ui->preview_displays->setStretch(previews.size(), lrintf(remaining_preview_width));
 }
 
+void MainWindow::set_locut(float value)
+{
+       set_relative_value(ui->locut_cutoff_knob, value);
+}
+
+void MainWindow::set_limiter_threshold(float value)
+{
+       set_relative_value(ui->limiter_threshold_knob, value);
+}
+
+void MainWindow::set_makeup_gain(float value)
+{
+       set_relative_value(ui->makeup_gain_knob, value);
+}
+
+void MainWindow::set_treble(unsigned bus_idx, float value)
+{
+       set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, value);
+}
+
+void MainWindow::set_mid(unsigned bus_idx, float value)
+{
+       set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, value);
+}
+
+void MainWindow::set_bass(unsigned bus_idx, float value)
+{
+       set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, value);
+}
+
+void MainWindow::set_gain(unsigned bus_idx, float value)
+{
+       set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, value);
+}
+
+void MainWindow::set_compressor_threshold(unsigned bus_idx, float value)
+{
+       set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, value);
+}
+
+void MainWindow::set_fader(unsigned bus_idx, float value)
+{
+       set_relative_value_if_exists(bus_idx, &Ui::AudioExpandedView::fader, value);
+}
+
+void MainWindow::toggle_locut(unsigned bus_idx)
+{
+       click_button_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled);
+}
+
+void MainWindow::toggle_auto_gain_staging(unsigned bus_idx)
+{
+       click_button_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox);
+}
+
+void MainWindow::toggle_compressor(unsigned bus_idx)
+{
+       click_button_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled);
+}
+
+void MainWindow::clear_peak(unsigned bus_idx)
+{
+       if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
+               global_audio_mixer->reset_peak(bus_idx);
+       }
+}
+
+template<class T>
+void MainWindow::set_relative_value(T *control, float value)
+{
+       post_to_main_thread([control, value]{
+               control->setValue(lrintf(control->minimum() + value * (control->maximum() - control->minimum())));
+       });
+}
+
+template<class T>
+void MainWindow::set_relative_value_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), float value)
+{
+       if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
+           bus_idx < audio_expanded_views.size()) {
+               set_relative_value(audio_expanded_views[bus_idx]->*control, value);
+       }
+}
+
+template<class T>
+void MainWindow::click_button_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control))
+{
+       if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
+           bus_idx < audio_expanded_views.size()) {
+               (audio_expanded_views[bus_idx]->*control)->click();
+       }
+}
+
 void MainWindow::set_transition_names(vector<string> transition_names)
 {
        if (transition_names.size() < 1 || transition_names[0].empty()) {