]> git.sesse.net Git - nageru/blobdiff - mainwindow.cpp
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[nageru] / mainwindow.cpp
index 9e4ad0d9e5dc4b6fa48036d6ea848bb51603145d..0eda02d3a5c82bcdc8d8763971ccf225faa393aa 100644 (file)
@@ -1,40 +1,70 @@
 #include "mainwindow.h"
 
-#include <math.h>
-#include <stdio.h>
+#include <assert.h>
 #include <signal.h>
-#include <algorithm>
-#include <chrono>
-#include <string>
-#include <vector>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <QAbstractButton>
+#include <QAbstractSlider>
+#include <QAction>
+#include <QActionGroup>
+#include <QApplication>
 #include <QBoxLayout>
+#include <QCheckBox>
+#include <QDial>
+#include <QDialog>
+#include <QEvent>
+#include <QFlags>
+#include <QFrame>
+#include <QImage>
 #include <QInputDialog>
 #include <QKeySequence>
 #include <QLabel>
+#include <QLayoutItem>
+#include <QMenuBar>
 #include <QMessageBox>
-#include <QMetaType>
+#include <QMouseEvent>
+#include <QObject>
 #include <QPushButton>
-#include <QResizeEvent>
+#include <QRect>
+#include <QRgb>
 #include <QShortcut>
-#include <QSize>
-#include <QString>
+#include <QStackedWidget>
+#include <QToolButton>
+#include <QWidget>
+#include <algorithm>
+#include <chrono>
+#include <cmath>
+#include <functional>
+#include <limits>
+#include <memory>
+#include <ratio>
+#include <string>
+#include <vector>
 
 #include "aboutdialog.h"
+#include "alsa_pool.h"
+#include "clickable_label.h"
+#include "correlation_meter.h"
 #include "disk_space_estimator.h"
+#include "ellipsis_label.h"
 #include "flags.h"
 #include "glwidget.h"
+#include "input_mapping.h"
 #include "input_mapping_dialog.h"
 #include "lrameter.h"
+#include "midi_mapping.pb.h"
+#include "midi_mapping_dialog.h"
 #include "mixer.h"
+#include "nonlinear_fader.h"
 #include "post_to_main_thread.h"
-#include "ui_audio_miniview.h"
 #include "ui_audio_expanded_view.h"
+#include "ui_audio_miniview.h"
 #include "ui_display.h"
 #include "ui_mainwindow.h"
 #include "vumeter.h"
 
-class QResizeEvent;
-
 using namespace std;
 using namespace std::chrono;
 using namespace std::placeholders;
@@ -44,6 +74,10 @@ Q_DECLARE_METATYPE(std::vector<std::string>);
 
 MainWindow *global_mainwindow = nullptr;
 
+// -0.1 dBFS is EBU peak limit. We use it consistently, even for the bus meters
+// (which don't calculate interpolate peak, and in general don't follow EBU recommendations).
+constexpr float peak_limit_dbfs = -0.1f;
+
 namespace {
 
 void schedule_cut_signal(int ignored)
@@ -132,9 +166,7 @@ void set_peak_label(QLabel *peak_label, float peak_db)
 {
        peak_label->setText(QString::fromStdString(format_db(peak_db, DB_BARE)));
 
-       // -0.1 dBFS is EBU peak limit. We use it consistently, even for the bus meters
-       // (which don't calculate interpolate peak, and in general don't follow EBU recommendations).
-       if (peak_db > -0.1f) {
+       if (peak_db > peak_limit_dbfs) {
                peak_label->setStyleSheet("QLabel { background-color: red; color: white; }");
        } else {
                peak_label->setStyleSheet("");
@@ -144,7 +176,7 @@ 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 +200,7 @@ 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 +239,19 @@ 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.refresh_highlights();
+       midi_mapper.refresh_lights();
+       midi_mapper.start_thread();
 }
 
 void MainWindow::resizeEvent(QResizeEvent* event)
@@ -276,16 +322,19 @@ void MainWindow::mixer_created(Mixer *mixer)
        }
        connect(ui->locut_enabled, &QCheckBox::stateChanged, [this](int state){
                global_audio_mixer->set_locut_enabled(simple_bus_index, state == Qt::Checked);
+               midi_mapper.refresh_lights();
        });
        connect(ui->gainstaging_knob, &QAbstractSlider::valueChanged,
                bind(&MainWindow::gain_staging_knob_changed, this, simple_bus_index, _1));
        connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, simple_bus_index](int state){
                global_audio_mixer->set_gain_staging_auto(simple_bus_index, state == Qt::Checked);
+               midi_mapper.refresh_lights();
        });
        connect(ui->compressor_threshold_knob, &QDial::valueChanged,
                bind(&MainWindow::compressor_threshold_knob_changed, this, simple_bus_index, _1));
        connect(ui->compressor_enabled, &QCheckBox::stateChanged, [this, simple_bus_index](int state){
                global_audio_mixer->set_compressor_enabled(simple_bus_index, state == Qt::Checked);
+               midi_mapper.refresh_lights();
        });
 
        // Global mastering controls.
@@ -300,15 +349,24 @@ void MainWindow::mixer_created(Mixer *mixer)
        connect(ui->makeup_gain_knob, &QAbstractSlider::valueChanged, this, &MainWindow::final_makeup_gain_knob_changed);
        connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
                global_audio_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
+               midi_mapper.refresh_lights();
        });
 
        connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
        connect(ui->limiter_enabled, &QCheckBox::stateChanged, [this](int state){
                global_audio_mixer->set_limiter_enabled(state == Qt::Checked);
+               midi_mapper.refresh_lights();
        });
        connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
+       // Even though we have a reset button right next to it, the fact that
+       // the expanded audio view labels are clickable makes it natural to
+       // click this one as well.
+       connect(ui->peak_display, &ClickableLabel::clicked, this, &MainWindow::reset_meters_button_clicked);
        mixer->get_audio_mixer()->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
 
+       midi_mapper.refresh_highlights();
+       midi_mapper.refresh_lights();
+
        struct sigaction act;
        memset(&act, 0, sizeof(act));
        act.sa_handler = schedule_cut_signal;
@@ -330,6 +388,7 @@ 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);
@@ -348,6 +407,9 @@ void MainWindow::reset_audio_mapping_ui()
                ui->audio_views->setCurrentIndex(0);
        }
        ui->compact_header->setVisible(!simple);
+
+       midi_mapper.refresh_highlights();
+       midi_mapper.refresh_lights();
 }
 
 void MainWindow::setup_audio_miniview()
@@ -420,11 +482,15 @@ void MainWindow::setup_audio_expanded_view()
                update_eq_label(bus_index, EQ_BAND_MID, global_audio_mixer->get_eq(bus_index, EQ_BAND_MID));
                update_eq_label(bus_index, EQ_BAND_BASS, global_audio_mixer->get_eq(bus_index, EQ_BAND_BASS));
                ui_audio_expanded_view->fader->setDbValue(global_audio_mixer->get_fader_volume(bus_index));
+               ui_audio_expanded_view->mute_button->setChecked(global_audio_mixer->get_mute(bus_index) ? Qt::Checked : Qt::Unchecked);
+               connect(ui_audio_expanded_view->mute_button, &QPushButton::toggled,
+                       bind(&MainWindow::mute_button_toggled, this, bus_index, _1));
                ui->buses->addWidget(channel);
 
                ui_audio_expanded_view->locut_enabled->setChecked(global_audio_mixer->get_locut_enabled(bus_index));
                connect(ui_audio_expanded_view->locut_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
                        global_audio_mixer->set_locut_enabled(bus_index, state == Qt::Checked);
+                       midi_mapper.refresh_lights();
                });
 
                connect(ui_audio_expanded_view->treble_knob, &QDial::valueChanged,
@@ -441,11 +507,13 @@ void MainWindow::setup_audio_expanded_view()
                connect(ui_audio_expanded_view->gainstaging_knob, &QAbstractSlider::valueChanged, bind(&MainWindow::gain_staging_knob_changed, this, bus_index, _1));
                connect(ui_audio_expanded_view->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this, bus_index](int state){
                        global_audio_mixer->set_gain_staging_auto(bus_index, state == Qt::Checked);
+                       midi_mapper.refresh_lights();
                });
 
                connect(ui_audio_expanded_view->compressor_threshold_knob, &QDial::valueChanged, bind(&MainWindow::compressor_threshold_knob_changed, this, bus_index, _1));
                connect(ui_audio_expanded_view->compressor_enabled, &QCheckBox::stateChanged, [this, bus_index](int state){
                        global_audio_mixer->set_compressor_enabled(bus_index, state == Qt::Checked);
+                       midi_mapper.refresh_lights();
                });
 
                slave_fader(audio_miniviews[bus_index]->fader, ui_audio_expanded_view->fader);
@@ -457,8 +525,9 @@ void MainWindow::setup_audio_expanded_view()
                peak_meter->set_ref_level(0.0f);
 
                connect(ui_audio_expanded_view->peak_display_label, &ClickableLabel::clicked,
-                       [bus_index]() {
+                       [this, bus_index]() {
                                global_audio_mixer->reset_peak(bus_index);
+                               midi_mapper.refresh_lights();
                        });
 
                // Set up the compression attenuation meter.
@@ -549,6 +618,13 @@ void MainWindow::input_mapping_triggered()
                setup_audio_miniview();
                setup_audio_expanded_view();
        }
+       midi_mapper.refresh_highlights();
+       midi_mapper.refresh_lights();
+}
+
+void MainWindow::midi_mapping_triggered()
+{
+       MIDIMappingDialog(&midi_mapper).exec();
 }
 
 void MainWindow::gain_staging_knob_changed(unsigned bus_index, int value)
@@ -690,6 +766,12 @@ void MainWindow::mini_fader_changed(int bus, double volume_db)
        global_audio_mixer->set_fader_volume(bus, volume_db);
 }
 
+void MainWindow::mute_button_toggled(int bus, bool checked)
+{
+       global_audio_mixer->set_mute(bus, checked);
+       midi_mapper.refresh_lights();
+}
+
 void MainWindow::reset_meters_button_clicked()
 {
        global_audio_mixer->reset_meters();
@@ -743,6 +825,8 @@ void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<Au
                                        QString("Gain: ") +
                                        QString::fromStdString(format_db(level.gain_staging_db, DB_WITH_SIGN)));
                                set_peak_label(view->peak_display_label, level.historic_peak_dbfs);
+
+                               midi_mapper.set_has_peaked(bus_index, level.historic_peak_dbfs >= -0.1f);
                        }
                }
                ui->lra_meter->set_levels(global_level_lufs, range_low_lufs, range_high_lufs);
@@ -765,6 +849,9 @@ void MainWindow::audio_level_callback(float level_lufs, float peak_db, vector<Au
                        QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
                ui->makeup_gain_db_display_2->setText(
                        QString::fromStdString(format_db(final_makeup_gain_db, DB_WITH_SIGN)));
+
+               // Peak labels could have changed.
+               midi_mapper.refresh_lights();
        });
 }
 
@@ -821,6 +908,287 @@ 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_mute(unsigned bus_idx)
+{
+       click_button_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button);
+}
+
+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)
+{
+       post_to_main_thread([=]{
+               if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
+                       global_audio_mixer->reset_peak(bus_idx);
+                       midi_mapper.set_has_peaked(bus_idx, false);
+                       midi_mapper.refresh_lights();
+               }
+       });
+}
+
+void MainWindow::clear_all_highlights()
+{
+       post_to_main_thread([this]{
+               highlight_locut(false);
+               highlight_limiter_threshold(false);
+               highlight_makeup_gain(false);
+               highlight_toggle_limiter(false);
+               highlight_toggle_auto_makeup_gain(false);
+               for (unsigned bus_idx = 0; bus_idx < audio_expanded_views.size(); ++bus_idx) {
+                       highlight_treble(bus_idx, false);
+                       highlight_mid(bus_idx, false);
+                       highlight_bass(bus_idx, false);
+                       highlight_gain(bus_idx, false);
+                       highlight_compressor_threshold(bus_idx, false);
+                       highlight_fader(bus_idx, false);
+                       highlight_mute(bus_idx, false);
+                       highlight_toggle_locut(bus_idx, false);
+                       highlight_toggle_auto_gain_staging(bus_idx, false);
+                       highlight_toggle_compressor(bus_idx, false);
+               }
+       });
+}
+
+void MainWindow::toggle_limiter()
+{
+       if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
+               ui->limiter_enabled->click();
+       }
+}
+
+void MainWindow::toggle_auto_makeup_gain()
+{
+       if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL) {
+               ui->makeup_gain_auto_checkbox->click();
+       }
+}
+
+void MainWindow::highlight_locut(bool highlight)
+{
+       post_to_main_thread([this, highlight]{
+               highlight_control(ui->locut_cutoff_knob, highlight);
+               highlight_control(ui->locut_cutoff_knob_2, highlight);
+       });
+}
+
+void MainWindow::highlight_limiter_threshold(bool highlight)
+{
+       post_to_main_thread([this, highlight]{
+               highlight_control(ui->limiter_threshold_knob, highlight);
+               highlight_control(ui->limiter_threshold_knob_2, highlight);
+       });
+}
+
+void MainWindow::highlight_makeup_gain(bool highlight)
+{
+       post_to_main_thread([this, highlight]{
+               highlight_control(ui->makeup_gain_knob, highlight);
+               highlight_control(ui->makeup_gain_knob_2, highlight);
+       });
+}
+
+void MainWindow::highlight_treble(unsigned bus_idx, bool highlight)
+{
+       highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::treble_knob, highlight);
+}
+
+void MainWindow::highlight_mid(unsigned bus_idx, bool highlight)
+{
+       highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mid_knob, highlight);
+}
+
+void MainWindow::highlight_bass(unsigned bus_idx, bool highlight)
+{
+       highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::bass_knob, highlight);
+}
+
+void MainWindow::highlight_gain(unsigned bus_idx, bool highlight)
+{
+       highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_knob, highlight);
+}
+
+void MainWindow::highlight_compressor_threshold(unsigned bus_idx, bool highlight)
+{
+       highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_threshold_knob, highlight);
+}
+
+void MainWindow::highlight_fader(unsigned bus_idx, bool highlight)
+{
+       highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::fader, highlight);
+}
+
+void MainWindow::highlight_mute(unsigned bus_idx, bool highlight)
+{
+       highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::mute_button, highlight, /*is_mute_btton=*/true);
+}
+
+void MainWindow::highlight_toggle_locut(unsigned bus_idx, bool highlight)
+{
+       highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::locut_enabled, highlight);
+}
+
+void MainWindow::highlight_toggle_auto_gain_staging(unsigned bus_idx, bool highlight)
+{
+       highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::gainstaging_auto_checkbox, highlight);
+}
+
+void MainWindow::highlight_toggle_compressor(unsigned bus_idx, bool highlight)
+{
+       highlight_control_if_exists(bus_idx, &Ui::AudioExpandedView::compressor_enabled, highlight);
+}
+
+void MainWindow::highlight_toggle_limiter(bool highlight)
+{
+       post_to_main_thread([this, highlight]{
+               highlight_control(ui->limiter_enabled, highlight);
+               highlight_control(ui->limiter_enabled_2, highlight);
+       });
+}
+
+void MainWindow::highlight_toggle_auto_makeup_gain(bool highlight)
+{
+       post_to_main_thread([this, highlight]{
+               highlight_control(ui->makeup_gain_auto_checkbox, highlight);
+               highlight_control(ui->makeup_gain_auto_checkbox_2, highlight);
+       });
+}
+
+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 != nullptr &&
+           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))
+{
+       post_to_main_thread([this, bus_idx, control]{
+               if (global_audio_mixer != nullptr &&
+                   global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::MULTICHANNEL &&
+                   bus_idx < audio_expanded_views.size()) {
+                       (audio_expanded_views[bus_idx]->*control)->click();
+               }
+       });
+}
+
+template<class T>
+void MainWindow::highlight_control(T *control, bool highlight)
+{
+       if (control == nullptr) {
+               return;
+       }
+       if (global_audio_mixer == nullptr ||
+           global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
+               highlight = false;
+       }
+       if (highlight) {
+               control->setStyleSheet("background: rgb(0,255,0,80)");
+       } else {
+               control->setStyleSheet("");
+       }
+}
+
+template<class T>
+void MainWindow::highlight_mute_control(T *control, bool highlight)
+{
+       if (control == nullptr) {
+               return;
+       }
+       if (global_audio_mixer == nullptr ||
+           global_audio_mixer->get_mapping_mode() != AudioMixer::MappingMode::MULTICHANNEL) {
+               highlight = false;
+       }
+       if (highlight) {
+               control->setStyleSheet("QPushButton { background: rgb(0,255,0,80); } QPushButton:checked { background: rgba(255,80,0,140); }");
+       } else {
+               control->setStyleSheet("QPushButton:checked { background: rgba(255,0,0,80); }");
+       }
+}
+
+template<class T>
+void MainWindow::highlight_control_if_exists(unsigned bus_idx, T *(Ui_AudioExpandedView::*control), bool highlight, bool is_mute_button)
+{
+       post_to_main_thread([this, bus_idx, control, highlight, is_mute_button]{
+               if (bus_idx < audio_expanded_views.size()) {
+                       if (is_mute_button) {
+                               highlight_mute_control(audio_expanded_views[bus_idx]->*control, highlight);
+                       } else {
+                               highlight_control(audio_expanded_views[bus_idx]->*control, highlight);
+                       }
+               }
+       });
+}
+
 void MainWindow::set_transition_names(vector<string> transition_names)
 {
        if (transition_names.size() < 1 || transition_names[0].empty()) {