1 #include "mainwindow.h"
6 #include "frame_on_disk.h"
8 #include "futatabi_midi_mapping.pb.h"
9 #include "shared/aboutdialog.h"
10 #include "shared/disk_space_estimator.h"
11 #include "shared/post_to_main_thread.h"
12 #include "shared/timebase.h"
13 #include "ui_mainwindow.h"
15 #include <QDesktopServices>
16 #include <QFileDialog>
17 #include <QMessageBox>
18 #include <QMouseEvent>
19 #include <QNetworkReply>
22 #include <QWheelEvent>
29 using namespace std::placeholders;
31 MainWindow *global_mainwindow = nullptr;
32 static ClipList *cliplist_clips;
33 static PlayList *playlist_clips;
35 extern int64_t current_pts;
39 void set_pts_in(int64_t pts, int64_t current_pts, ClipProxy &clip)
41 pts = std::max<int64_t>(pts, 0);
42 if (clip->pts_out == -1) {
43 pts = std::min(pts, current_pts);
45 pts = std::min(pts, clip->pts_out);
52 MainWindow::MainWindow()
53 : ui(new Ui::MainWindow),
54 db(global_flags.working_directory + "/futatabi.db"),
57 global_mainwindow = this;
60 // Load settings from database.
61 SettingsProto settings = db.get_settings();
62 if (!global_flags.interpolation_quality_set) {
63 if (settings.interpolation_quality() != 0) {
64 global_flags.interpolation_quality = settings.interpolation_quality() - 1;
67 if (!global_flags.cue_point_padding_set) {
68 global_flags.cue_point_padding_seconds = settings.cue_point_padding_seconds(); // Default 0 is fine.
70 if (global_flags.interpolation_quality == 0) {
71 // Allocate something just for simplicity; we won't be using it
72 // unless the user changes runtime, in which case 1 is fine.
73 flow_initialized_interpolation_quality = 1;
75 flow_initialized_interpolation_quality = global_flags.interpolation_quality;
80 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
81 connect(ui->export_cliplist_clip_multitrack_action, &QAction::triggered, this, &MainWindow::export_cliplist_clip_multitrack_triggered);
82 connect(ui->export_playlist_clip_interpolated_action, &QAction::triggered, this, &MainWindow::export_playlist_clip_interpolated_triggered);
83 connect(ui->manual_action, &QAction::triggered, this, &MainWindow::manual_triggered);
84 connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
85 connect(ui->undo_action, &QAction::triggered, this, &MainWindow::undo_triggered);
86 connect(ui->redo_action, &QAction::triggered, this, &MainWindow::redo_triggered);
87 ui->undo_action->setEnabled(false);
88 ui->redo_action->setEnabled(false);
91 QActionGroup *quality_group = new QActionGroup(ui->interpolation_menu);
92 quality_group->addAction(ui->quality_0_action);
93 quality_group->addAction(ui->quality_1_action);
94 quality_group->addAction(ui->quality_2_action);
95 quality_group->addAction(ui->quality_3_action);
96 quality_group->addAction(ui->quality_4_action);
97 if (global_flags.interpolation_quality == 0) {
98 ui->quality_0_action->setChecked(true);
99 } else if (global_flags.interpolation_quality == 1) {
100 ui->quality_1_action->setChecked(true);
101 } else if (global_flags.interpolation_quality == 2) {
102 ui->quality_2_action->setChecked(true);
103 } else if (global_flags.interpolation_quality == 3) {
104 ui->quality_3_action->setChecked(true);
105 } else if (global_flags.interpolation_quality == 4) {
106 ui->quality_4_action->setChecked(true);
110 connect(ui->quality_0_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 0, _1));
111 connect(ui->quality_1_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 1, _1));
112 connect(ui->quality_2_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 2, _1));
113 connect(ui->quality_3_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 3, _1));
114 connect(ui->quality_4_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 4, _1));
116 // The cue point padding group.
117 QActionGroup *padding_group = new QActionGroup(ui->interpolation_menu);
118 padding_group->addAction(ui->padding_0_action);
119 padding_group->addAction(ui->padding_1_action);
120 padding_group->addAction(ui->padding_2_action);
121 padding_group->addAction(ui->padding_5_action);
122 if (global_flags.cue_point_padding_seconds <= 1e-3) {
123 ui->padding_0_action->setChecked(true);
124 } else if (fabs(global_flags.cue_point_padding_seconds - 1.0) < 1e-3) {
125 ui->padding_1_action->setChecked(true);
126 } else if (fabs(global_flags.cue_point_padding_seconds - 2.0) < 1e-3) {
127 ui->padding_2_action->setChecked(true);
128 } else if (fabs(global_flags.cue_point_padding_seconds - 5.0) < 1e-3) {
129 ui->padding_5_action->setChecked(true);
131 // Nothing to check, which is fine.
133 connect(ui->padding_0_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 0.0, _1));
134 connect(ui->padding_1_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 1.0, _1));
135 connect(ui->padding_2_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 2.0, _1));
136 connect(ui->padding_5_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 5.0, _1));
138 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
139 disk_free_label = new QLabel(this);
140 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
141 ui->menuBar->setCornerWidget(disk_free_label);
143 StateProto state = db.get_state();
144 undo_stack.push_back(state); // The undo stack always has the current state on top.
146 cliplist_clips = new ClipList(state.clip_list());
147 ui->clip_list->setModel(cliplist_clips);
148 connect(cliplist_clips, &ClipList::any_content_changed, this, &MainWindow::content_changed);
150 playlist_clips = new PlayList(state.play_list());
151 ui->playlist->setModel(playlist_clips);
152 connect(playlist_clips, &PlayList::any_content_changed, this, &MainWindow::content_changed);
154 // For un-highlighting when we lose focus.
155 ui->clip_list->installEventFilter(this);
157 // For scrubbing in the pts columns.
158 ui->clip_list->viewport()->installEventFilter(this);
159 ui->playlist->viewport()->installEventFilter(this);
161 QShortcut *cue_in = new QShortcut(QKeySequence(Qt::Key_A), this);
162 connect(cue_in, &QShortcut::activated, ui->cue_in_btn, &QPushButton::click);
163 connect(ui->cue_in_btn, &QPushButton::clicked, this, &MainWindow::cue_in_clicked);
165 QShortcut *cue_out = new QShortcut(QKeySequence(Qt::Key_S), this);
166 connect(cue_out, &QShortcut::activated, ui->cue_out_btn, &QPushButton::click);
167 connect(ui->cue_out_btn, &QPushButton::clicked, this, &MainWindow::cue_out_clicked);
169 QShortcut *queue = new QShortcut(QKeySequence(Qt::Key_Q), this);
170 connect(queue, &QShortcut::activated, ui->queue_btn, &QPushButton::click);
171 connect(ui->queue_btn, &QPushButton::clicked, this, &MainWindow::queue_clicked);
173 QShortcut *preview = new QShortcut(QKeySequence(Qt::Key_W), this);
174 connect(preview, &QShortcut::activated, ui->preview_btn, &QPushButton::click);
175 connect(ui->preview_btn, &QPushButton::clicked, this, &MainWindow::preview_clicked);
177 QShortcut *play = new QShortcut(QKeySequence(Qt::Key_Space), this);
178 connect(play, &QShortcut::activated, ui->play_btn, &QPushButton::click);
179 connect(ui->play_btn, &QPushButton::clicked, this, &MainWindow::play_clicked);
181 connect(ui->stop_btn, &QPushButton::clicked, this, &MainWindow::stop_clicked);
182 ui->stop_btn->setEnabled(false);
184 connect(ui->speed_slider, &QAbstractSlider::valueChanged, this, &MainWindow::speed_slider_changed);
185 connect(ui->speed_lock_btn, &QPushButton::clicked, this, &MainWindow::speed_lock_clicked);
187 connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
189 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
190 QShortcut *delete_key = new QShortcut(QKeySequence(Qt::Key_Delete), ui->playlist);
191 connect(delete_key, &QShortcut::activated, [this] {
192 if (ui->playlist->hasFocus()) {
197 // TODO: support drag-and-drop.
198 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this] { playlist_move(-1); });
199 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this] { playlist_move(1); });
201 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
202 this, &MainWindow::playlist_selection_changed);
203 playlist_selection_changed(); // First time set-up.
205 preview_player.reset(new Player(ui->preview_display, Player::NO_STREAM_OUTPUT));
206 live_player.reset(new Player(ui->live_display, Player::HTTPD_STREAM_OUTPUT));
207 live_player->set_done_callback([this] {
208 post_to_main_thread([this] {
212 live_player->set_progress_callback([this](const map<uint64_t, double> &progress, double time_remaining) {
213 post_to_main_thread([this, progress, time_remaining] {
214 live_player_clip_progress(progress, time_remaining);
217 set_output_status("paused");
218 enable_or_disable_queue_button();
220 defer_timeout = new QTimer(this);
221 defer_timeout->setSingleShot(true);
222 connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
223 ui->undo_action->setEnabled(true);
225 lock_blink_timeout = new QTimer(this);
226 lock_blink_timeout->setSingleShot(true);
227 connect(lock_blink_timeout, &QTimer::timeout, this, &MainWindow::lock_blink_timer_expired);
229 connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
230 this, &MainWindow::clip_list_selection_changed);
231 enable_or_disable_queue_button();
233 // Find out how many cameras we have in the existing frames;
234 // if none, we start with two cameras.
237 lock_guard<mutex> lock(frame_mu);
238 for (size_t stream_idx = 2; stream_idx < MAX_STREAMS; ++stream_idx) {
239 if (!frames[stream_idx].empty()) {
240 num_cameras = stream_idx + 1;
244 change_num_cameras();
246 if (!global_flags.tally_url.empty()) {
250 if (!global_flags.midi_mapping_filename.empty()) {
251 MIDIMappingProto midi_mapping;
252 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
253 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
254 global_flags.midi_mapping_filename.c_str());
257 midi_mapper.set_midi_mapping(midi_mapping);
259 midi_mapper.refresh_lights();
260 midi_mapper.start_thread();
263 void MainWindow::change_num_cameras()
265 assert(num_cameras >= displays.size()); // We only add, never remove.
267 // Make new display rows.
268 unsigned display_rows = (num_cameras + 1) / 2;
269 ui->video_displays->setStretch(1, display_rows);
270 for (unsigned i = displays.size(); i < num_cameras; ++i) {
271 QFrame *frame = new QFrame(this);
272 frame->setAutoFillBackground(true);
274 QLayout *layout = new QGridLayout(frame);
275 frame->setLayout(layout);
276 layout->setContentsMargins(3, 3, 3, 3);
278 JPEGFrameView *display = new JPEGFrameView(frame);
279 display->setAutoFillBackground(true);
280 layout->addWidget(display);
282 ui->input_displays->addWidget(frame, i / 2, i % 2);
283 display->set_overlay(to_string(i + 1));
285 QPushButton *preview_btn = new QPushButton(this);
286 preview_btn->setMaximumSize(20, 17);
287 preview_btn->setText(QString::fromStdString(to_string(i + 1)));
288 ui->preview_layout->addWidget(preview_btn);
290 displays.emplace_back(FrameAndDisplay{ frame, display, preview_btn });
292 connect(display, &JPEGFrameView::clicked, preview_btn, &QPushButton::click);
293 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
294 connect(shortcut, &QShortcut::activated, preview_btn, &QPushButton::click);
296 connect(preview_btn, &QPushButton::clicked, [this, i] { preview_angle_clicked(i); });
299 cliplist_clips->change_num_cameras(num_cameras);
300 playlist_clips->change_num_cameras(num_cameras);
302 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
305 MainWindow::~MainWindow()
307 // Empty so that we can forward-declare Player in the .h file.
310 void MainWindow::cue_in_clicked()
312 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
313 cliplist_clips->mutable_back()->pts_in = current_pts;
316 clip.pts_in = max<int64_t>(current_pts - lrint(global_flags.cue_point_padding_seconds * TIMEBASE), 0);
317 cliplist_clips->add_clip(clip);
318 playlist_selection_changed();
321 // Select the item so that we can jog it.
322 ui->clip_list->setFocus();
323 QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::IN));
324 ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
325 ui->clip_list->scrollToBottom();
326 enable_or_disable_queue_button();
329 void MainWindow::cue_out_clicked()
331 if (cliplist_clips->empty()) {
335 cliplist_clips->mutable_back()->pts_out = current_pts + lrint(global_flags.cue_point_padding_seconds * TIMEBASE);
337 // Select the item so that we can jog it.
338 ui->clip_list->setFocus();
339 QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::OUT));
340 ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
341 ui->clip_list->scrollToBottom();
342 enable_or_disable_queue_button();
345 void MainWindow::queue_clicked()
347 // See also enable_or_disable_queue_button().
349 if (cliplist_clips->empty()) {
353 QItemSelectionModel *selected = ui->clip_list->selectionModel();
354 if (!selected->hasSelection()) {
355 Clip clip = *cliplist_clips->back();
357 if (clip.pts_out != -1) {
358 playlist_clips->add_clip(clip);
359 playlist_selection_changed();
360 ui->playlist->scrollToBottom();
365 QModelIndex index = selected->currentIndex();
366 Clip clip = *cliplist_clips->clip(index.row());
367 if (cliplist_clips->is_camera_column(index.column())) {
368 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
370 clip.stream_idx = ui->preview_display->get_stream_idx();
373 if (clip.pts_out != -1) {
374 playlist_clips->add_clip(clip);
375 playlist_selection_changed();
376 ui->playlist->scrollToBottom();
377 if (!ui->playlist->selectionModel()->hasSelection()) {
378 // TODO: Figure out why this doesn't always seem to actually select the row.
379 QModelIndex bottom = playlist_clips->index(playlist_clips->size() - 1, 0);
380 ui->playlist->setCurrentIndex(bottom);
385 void MainWindow::preview_clicked()
387 // See also enable_or_disable_preview_button().
389 if (ui->playlist->hasFocus()) {
390 // Allow the playlist as preview iff it has focus and something is selected.
391 QItemSelectionModel *selected = ui->playlist->selectionModel();
392 if (selected->hasSelection()) {
393 QModelIndex index = selected->currentIndex();
394 const Clip &clip = *playlist_clips->clip(index.row());
395 preview_player->play(clip);
400 if (cliplist_clips->empty())
403 QItemSelectionModel *selected = ui->clip_list->selectionModel();
404 if (!selected->hasSelection()) {
405 preview_player->play(*cliplist_clips->back());
409 QModelIndex index = selected->currentIndex();
410 Clip clip = *cliplist_clips->clip(index.row());
411 if (cliplist_clips->is_camera_column(index.column())) {
412 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
414 clip.stream_idx = ui->preview_display->get_stream_idx();
416 preview_player->play(clip);
419 void MainWindow::preview_angle_clicked(unsigned stream_idx)
421 preview_player->override_angle(stream_idx);
423 // Change the selection if we were previewing a clip from the clip list.
424 // (The only other thing we could be showing is a pts scrub, and if so,
425 // that would be selected.)
426 QItemSelectionModel *selected = ui->clip_list->selectionModel();
427 if (selected->hasSelection()) {
428 QModelIndex cell = selected->selectedIndexes()[0];
429 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
430 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
434 void MainWindow::playlist_duplicate()
436 QItemSelectionModel *selected = ui->playlist->selectionModel();
437 if (!selected->hasSelection()) {
438 // Should have been grayed out, but OK.
441 QModelIndexList rows = selected->selectedRows();
442 int first = rows.front().row(), last = rows.back().row();
443 playlist_clips->duplicate_clips(first, last);
444 playlist_selection_changed();
447 void MainWindow::playlist_remove()
449 QItemSelectionModel *selected = ui->playlist->selectionModel();
450 if (!selected->hasSelection()) {
451 // Should have been grayed out, but OK.
454 QModelIndexList rows = selected->selectedRows();
455 int first = rows.front().row(), last = rows.back().row();
456 playlist_clips->erase_clips(first, last);
458 // TODO: select the next one in the list?
460 playlist_selection_changed();
463 void MainWindow::playlist_move(int delta)
465 QItemSelectionModel *selected = ui->playlist->selectionModel();
466 if (!selected->hasSelection()) {
467 // Should have been grayed out, but OK.
471 QModelIndexList rows = selected->selectedRows();
472 int first = rows.front().row(), last = rows.back().row();
473 if ((delta == -1 && first == 0) ||
474 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
475 // Should have been grayed out, but OK.
479 playlist_clips->move_clips(first, last, delta);
480 playlist_selection_changed();
483 void MainWindow::jog_internal(JogDestination jog_destination, int row, int column, int stream_idx, int pts_delta)
485 constexpr int camera_pts_per_pixel = 1500; // One click of most mice (15 degrees), multiplied by the default wheel_sensitivity.
487 int in_column, out_column, camera_column;
488 if (jog_destination == JOG_CLIP_LIST) {
489 in_column = int(ClipList::Column::IN);
490 out_column = int(ClipList::Column::OUT);
492 } else if (jog_destination == JOG_PLAYLIST) {
493 in_column = int(PlayList::Column::IN);
494 out_column = int(PlayList::Column::OUT);
495 camera_column = int(PlayList::Column::CAMERA);
500 currently_deferring_model_changes = true;
502 current_change_id = (jog_destination == JOG_CLIP_LIST) ? "cliplist:" : "playlist:";
503 ClipProxy clip = (jog_destination == JOG_CLIP_LIST) ? cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
504 if (jog_destination == JOG_PLAYLIST) {
505 stream_idx = clip->stream_idx;
508 if (column == in_column) {
509 current_change_id += "in:" + to_string(row);
510 int64_t pts = clip->pts_in + pts_delta;
511 set_pts_in(pts, current_pts, clip);
512 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
513 } else if (column == out_column) {
514 current_change_id += "out:" + to_string(row);
515 int64_t pts = clip->pts_out + pts_delta;
516 pts = std::max(pts, clip->pts_in);
517 pts = std::min(pts, current_pts);
519 preview_single_frame(pts, stream_idx, LAST_BEFORE);
520 } else if (column == camera_column) {
521 current_change_id += "camera:" + to_string(row);
522 int angle_degrees = pts_delta;
523 if (last_mousewheel_camera_row == row) {
524 angle_degrees += leftover_angle_degrees;
527 int stream_idx = clip->stream_idx + angle_degrees / camera_pts_per_pixel;
528 stream_idx = std::max(stream_idx, 0);
529 stream_idx = std::min<int>(stream_idx, num_cameras - 1);
530 clip->stream_idx = stream_idx;
532 last_mousewheel_camera_row = row;
533 leftover_angle_degrees = angle_degrees % camera_pts_per_pixel;
535 // Don't update the live view, that's rarely what the operator wants.
538 currently_deferring_model_changes = false;
541 void MainWindow::defer_timer_expired()
543 state_changed(deferred_state);
546 void MainWindow::content_changed()
548 // If we are playing, update the part of the playlist that's not playing yet.
549 vector<ClipWithID> clips;
550 for (unsigned row = 0; row < playlist_clips->size(); ++row) {
551 clips.emplace_back(*playlist_clips->clip_with_id(row));
553 live_player->splice_play(clips);
555 // Serialize the state.
556 if (defer_timeout->isActive() &&
557 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
558 // There's some deferred event waiting, but this event is unrelated.
559 // So it's time to short-circuit that timer and do the work it wanted to do.
560 defer_timeout->stop();
561 state_changed(deferred_state);
564 *state.mutable_clip_list() = cliplist_clips->serialize();
565 *state.mutable_play_list() = playlist_clips->serialize();
566 if (currently_deferring_model_changes) {
567 deferred_change_id = current_change_id;
568 deferred_state = std::move(state);
569 defer_timeout->start(200);
572 state_changed(state);
575 void MainWindow::state_changed(const StateProto &state)
577 db.store_state(state);
580 ui->redo_action->setEnabled(false);
582 undo_stack.push_back(state);
583 ui->undo_action->setEnabled(undo_stack.size() > 1);
585 // Make sure it doesn't grow without bounds.
586 while (undo_stack.size() >= 100) {
587 undo_stack.pop_front();
591 void MainWindow::save_settings()
593 SettingsProto settings;
594 settings.set_interpolation_quality(global_flags.interpolation_quality + 1);
595 settings.set_cue_point_padding_seconds(global_flags.cue_point_padding_seconds);
596 db.store_settings(settings);
599 void MainWindow::lock_blink_timer_expired()
601 midi_mapper.set_locked(MIDIMapper::LightState(ui->speed_lock_btn->isChecked())); // Presumably On, or the timer should have been canceled.
604 void MainWindow::play_clicked()
606 QItemSelectionModel *selected = ui->playlist->selectionModel();
607 if (!selected->hasSelection()) {
610 unsigned start_row = selected->selectedRows(0)[0].row();
612 vector<ClipWithID> clips;
613 for (unsigned row = start_row; row < playlist_clips->size(); ++row) {
614 clips.emplace_back(*playlist_clips->clip_with_id(row));
616 live_player->play(clips);
617 playlist_clips->set_progress({ { start_row, 0.0f } });
618 ui->playlist->selectionModel()->clear();
619 playlist_selection_changed();
621 ui->stop_btn->setEnabled(true);
624 void MainWindow::stop_clicked()
627 fake_clip.pts_in = 0;
628 fake_clip.pts_out = 0;
629 playlist_clips->set_progress({});
630 live_player->play(fake_clip);
631 ui->stop_btn->setEnabled(false);
634 void MainWindow::speed_slider_changed(int percent)
636 float speed = percent / 100.0f;
637 ui->speed_lock_btn->setText(QString::fromStdString(" " + to_string(percent) + "%"));
638 live_player->set_master_speed(speed);
641 void MainWindow::speed_lock_clicked()
643 // TODO: Make for a less abrupt transition if we're not already at 100%.
644 ui->speed_slider->setValue(100); // Also actually sets the master speed and updates the label.
645 ui->speed_slider->setEnabled(!ui->speed_lock_btn->isChecked());
646 midi_mapper.set_locked(MIDIMapper::LightState(ui->speed_lock_btn->isChecked()));
647 lock_blink_timeout->stop();
650 void MainWindow::live_player_done()
652 playlist_selection_changed();
653 playlist_clips->set_progress({});
654 ui->stop_btn->setEnabled(false);
657 void MainWindow::live_player_clip_progress(const map<uint64_t, double> &progress, double time_remaining)
659 playlist_clips->set_progress(progress);
660 set_output_status(format_duration(time_remaining) + " left");
663 void MainWindow::resizeEvent(QResizeEvent *event)
665 QMainWindow::resizeEvent(event);
667 // Ask for a relayout, but only after the event loop is done doing relayout
668 // on everything else.
669 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
672 void MainWindow::relayout()
674 ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
675 ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
678 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
680 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
681 int scrub_sensitivity = 100; // pts units per pixel.
682 int wheel_sensitivity = 100; // pts units per degree.
684 if (event->type() == QEvent::FocusIn || event->type() == QEvent::FocusOut) {
685 enable_or_disable_preview_button();
686 hidden_jog_column = -1;
689 unsigned stream_idx = ui->preview_display->get_stream_idx();
691 if (watched == ui->clip_list) {
692 if (event->type() == QEvent::FocusOut) {
693 highlight_camera_input(-1);
698 if (event->type() != QEvent::Wheel) {
699 last_mousewheel_camera_row = -1;
702 if (event->type() == QEvent::MouseButtonPress) {
703 QMouseEvent *mouse = (QMouseEvent *)event;
705 QTableView *destination;
708 if (watched == ui->clip_list->viewport()) {
709 destination = ui->clip_list;
710 type = SCRUBBING_CLIP_LIST;
711 } else if (watched == ui->playlist->viewport()) {
712 destination = ui->playlist;
713 type = SCRUBBING_PLAYLIST;
717 int column = destination->columnAt(mouse->x());
718 int row = destination->rowAt(mouse->y());
719 if (column == -1 || row == -1)
722 if (type == SCRUBBING_CLIP_LIST) {
723 if (ClipList::Column(column) == ClipList::Column::IN) {
724 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
725 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
726 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
727 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
728 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
733 if (PlayList::Column(column) == PlayList::Column::IN) {
734 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
735 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
736 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
737 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
738 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
746 scrub_column = column;
747 scrub_x_origin = mouse->x();
749 } else if (event->type() == QEvent::MouseMove) {
750 QMouseEvent *mouse = (QMouseEvent *)event;
751 if (mouse->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
752 scrub_sensitivity *= 10;
753 wheel_sensitivity *= 10;
755 if (mouse->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
756 scrub_sensitivity /= 10;
757 wheel_sensitivity /= 10;
760 int offset = mouse->x() - scrub_x_origin;
762 if (offset >= dead_zone_pixels) {
763 adjusted_offset = offset - dead_zone_pixels;
764 } else if (offset < -dead_zone_pixels) {
765 adjusted_offset = offset + dead_zone_pixels;
770 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
771 currently_deferring_model_changes = true;
772 if (scrub_type == SCRUBBING_CLIP_LIST) {
773 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
774 if (scrub_column == int(ClipList::Column::IN)) {
775 current_change_id = "cliplist:in:" + to_string(scrub_row);
776 set_pts_in(pts, current_pts, clip);
777 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
779 current_change_id = "cliplist:out" + to_string(scrub_row);
780 pts = std::max(pts, clip->pts_in);
781 pts = std::min(pts, current_pts);
783 preview_single_frame(pts, stream_idx, LAST_BEFORE);
786 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
787 if (scrub_column == int(PlayList::Column::IN)) {
788 current_change_id = "playlist:in:" + to_string(scrub_row);
789 set_pts_in(pts, current_pts, clip);
790 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
792 current_change_id = "playlist:out:" + to_string(scrub_row);
793 pts = std::max(pts, clip->pts_in);
794 pts = std::min(pts, current_pts);
796 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
799 currently_deferring_model_changes = false;
801 return true; // Don't use this mouse movement for selecting things.
803 } else if (event->type() == QEvent::Wheel) {
804 QWheelEvent *wheel = (QWheelEvent *)event;
805 int angle_delta = wheel->angleDelta().y();
806 if (wheel->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
807 scrub_sensitivity *= 10;
808 wheel_sensitivity *= 10;
810 if (wheel->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
811 scrub_sensitivity /= 10;
812 wheel_sensitivity /= 10;
813 angle_delta = wheel->angleDelta().x(); // Qt ickiness.
816 QTableView *destination;
817 JogDestination jog_destination;
818 if (watched == ui->clip_list->viewport()) {
819 destination = ui->clip_list;
820 jog_destination = JOG_CLIP_LIST;
821 last_mousewheel_camera_row = -1;
822 } else if (watched == ui->playlist->viewport()) {
823 destination = ui->playlist;
824 jog_destination = JOG_PLAYLIST;
825 if (destination->columnAt(wheel->x()) != int(PlayList::Column::CAMERA)) {
826 last_mousewheel_camera_row = -1;
829 last_mousewheel_camera_row = -1;
833 int column = destination->columnAt(wheel->x());
834 int row = destination->rowAt(wheel->y());
835 if (column == -1 || row == -1)
838 // Only adjust pts with the wheel if the given row is selected.
839 if (!destination->hasFocus() ||
840 row != destination->selectionModel()->currentIndex().row()) {
844 jog_internal(jog_destination, row, column, stream_idx, angle_delta * wheel_sensitivity);
845 return true; // Don't scroll.
846 } else if (event->type() == QEvent::MouseButtonRelease) {
852 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
854 if (rounding == LAST_BEFORE) {
855 lock_guard<mutex> lock(frame_mu);
856 if (frames[stream_idx].empty())
858 auto it = find_last_frame_before(frames[stream_idx], pts);
859 if (it != frames[stream_idx].end()) {
863 assert(rounding == FIRST_AT_OR_AFTER);
864 lock_guard<mutex> lock(frame_mu);
865 if (frames[stream_idx].empty())
867 auto it = find_first_frame_at_or_after(frames[stream_idx], pts);
868 if (it != frames[stream_idx].end()) {
874 fake_clip.pts_in = pts;
875 fake_clip.pts_out = pts + 1;
876 fake_clip.stream_idx = stream_idx;
877 preview_player->play(fake_clip);
880 void MainWindow::playlist_selection_changed()
882 enable_or_disable_preview_button();
884 QItemSelectionModel *selected = ui->playlist->selectionModel();
885 bool any_selected = selected->hasSelection();
886 ui->playlist_duplicate_btn->setEnabled(any_selected);
887 ui->playlist_remove_btn->setEnabled(any_selected);
888 ui->playlist_move_up_btn->setEnabled(
889 any_selected && selected->selectedRows().front().row() > 0);
890 ui->playlist_move_down_btn->setEnabled(
891 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
893 ui->play_btn->setEnabled(any_selected);
894 midi_mapper.set_play_enabled(any_selected);
897 set_output_status("paused");
899 vector<ClipWithID> clips;
900 for (size_t row = selected->selectedRows().front().row(); row < playlist_clips->size(); ++row) {
901 clips.emplace_back(*playlist_clips->clip_with_id(row));
903 double remaining = compute_total_time(clips);
904 set_output_status(format_duration(remaining) + " ready");
908 void MainWindow::clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &previous)
910 int camera_selected = -1;
911 if (cliplist_clips->is_camera_column(current.column())) {
912 camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
914 // See the comment on hidden_jog_column.
915 if (current.row() != previous.row()) {
916 hidden_jog_column = -1;
917 } else if (hidden_jog_column == -1) {
918 hidden_jog_column = previous.column();
921 hidden_jog_column = -1;
923 highlight_camera_input(camera_selected);
924 enable_or_disable_queue_button();
927 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
930 if (estimated_seconds_left < 60.0) {
931 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
932 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
933 int s = lrintf(estimated_seconds_left);
936 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
937 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
938 int m = lrintf(estimated_seconds_left / 60.0);
939 snprintf(time_str, sizeof(time_str), "%dm", m);
940 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
941 int m = lrintf(estimated_seconds_left / 60.0);
944 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
945 } else { // More than ten hours: Xh.
946 int h = lrintf(estimated_seconds_left / 3600.0);
947 snprintf(time_str, sizeof(time_str), "%dh", h);
950 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
952 std::string label = buf;
954 post_to_main_thread([this, label] {
955 disk_free_label->setText(QString::fromStdString(label));
956 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
960 void MainWindow::exit_triggered()
965 void MainWindow::export_cliplist_clip_multitrack_triggered()
967 QItemSelectionModel *selected = ui->clip_list->selectionModel();
968 if (!selected->hasSelection()) {
970 msgbox.setText("No clip selected in the clip list. Select one and try exporting again.");
975 QModelIndex index = selected->currentIndex();
976 Clip clip = *cliplist_clips->clip(index.row());
977 QString filename = QFileDialog::getSaveFileName(this,
978 "Export multitrack clip", QString(), tr("Matroska video files (*.mkv)"));
979 if (filename.isNull()) {
983 if (!filename.endsWith(".mkv")) {
986 export_multitrack_clip(filename.toStdString(), clip);
989 void MainWindow::export_playlist_clip_interpolated_triggered()
991 QItemSelectionModel *selected = ui->playlist->selectionModel();
992 if (!selected->hasSelection()) {
994 msgbox.setText("No clip selected in the playlist. Select one and try exporting again.");
999 QString filename = QFileDialog::getSaveFileName(this,
1000 "Export interpolated clip", QString(), tr("Matroska video files (*.mkv)"));
1001 if (filename.isNull()) {
1005 if (!filename.endsWith(".mkv")) {
1010 QModelIndexList rows = selected->selectedRows();
1011 for (QModelIndex index : rows) {
1012 clips.push_back(*playlist_clips->clip(index.row()));
1014 export_interpolated_clip(filename.toStdString(), clips);
1017 void MainWindow::manual_triggered()
1019 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
1021 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
1026 void MainWindow::about_triggered()
1028 AboutDialog("Futatabi", "Multicamera slow motion video server").exec();
1031 void MainWindow::undo_triggered()
1033 // Finish any deferred action.
1034 if (defer_timeout->isActive()) {
1035 defer_timeout->stop();
1036 state_changed(deferred_state);
1039 StateProto redo_state;
1040 *redo_state.mutable_clip_list() = cliplist_clips->serialize();
1041 *redo_state.mutable_play_list() = playlist_clips->serialize();
1042 redo_stack.push_back(std::move(redo_state));
1043 ui->redo_action->setEnabled(true);
1045 assert(undo_stack.size() > 1);
1047 // Pop off the current state, which is always at the top of the stack.
1048 undo_stack.pop_back();
1050 StateProto state = undo_stack.back();
1051 ui->undo_action->setEnabled(undo_stack.size() > 1);
1053 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
1054 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
1056 db.store_state(state);
1059 void MainWindow::redo_triggered()
1061 assert(!redo_stack.empty());
1063 ui->undo_action->setEnabled(true);
1064 ui->redo_action->setEnabled(true);
1066 undo_stack.push_back(std::move(redo_stack.back()));
1067 redo_stack.pop_back();
1068 ui->undo_action->setEnabled(true);
1069 ui->redo_action->setEnabled(!redo_stack.empty());
1071 const StateProto &state = undo_stack.back();
1072 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
1073 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
1075 db.store_state(state);
1078 void MainWindow::quality_toggled(int quality, bool checked)
1083 global_flags.interpolation_quality = quality;
1084 if (quality != 0 && // Turning interpolation off is always possible.
1085 quality != flow_initialized_interpolation_quality) {
1087 msgbox.setText(QString::fromStdString(
1088 "The interpolation quality for the main output cannot be changed at runtime, "
1089 "except being turned completely off; it will take effect for exported files "
1090 "only until next restart. The live output quality thus remains at " +
1091 to_string(flow_initialized_interpolation_quality) + "."));
1098 void MainWindow::padding_toggled(double seconds, bool checked)
1103 global_flags.cue_point_padding_seconds = seconds;
1107 void MainWindow::highlight_camera_input(int stream_idx)
1109 for (unsigned i = 0; i < num_cameras; ++i) {
1110 if (unsigned(stream_idx) == i) {
1111 displays[i].frame->setStyleSheet("background: rgb(0,255,0)");
1113 displays[i].frame->setStyleSheet("");
1116 midi_mapper.highlight_camera_input(stream_idx);
1119 void MainWindow::enable_or_disable_preview_button()
1121 // Follows the logic in preview_clicked().
1123 if (ui->playlist->hasFocus()) {
1124 // Allow the playlist as preview iff it has focus and something is selected.
1125 // TODO: Is this part really relevant?
1126 QItemSelectionModel *selected = ui->playlist->selectionModel();
1127 if (selected->hasSelection()) {
1128 ui->preview_btn->setEnabled(true);
1129 midi_mapper.set_preview_enabled(true);
1134 // TODO: Perhaps only enable this if something is actually selected.
1135 ui->preview_btn->setEnabled(!cliplist_clips->empty());
1136 midi_mapper.set_preview_enabled(!cliplist_clips->empty());
1139 void MainWindow::enable_or_disable_queue_button()
1141 // Follows the logic in queue_clicked().
1142 // TODO: Perhaps only enable this if something is actually selected.
1146 if (cliplist_clips->empty()) {
1149 QItemSelectionModel *selected = ui->clip_list->selectionModel();
1150 if (!selected->hasSelection()) {
1151 Clip clip = *cliplist_clips->back();
1152 enabled = clip.pts_out != -1;
1154 QModelIndex index = selected->currentIndex();
1155 Clip clip = *cliplist_clips->clip(index.row());
1156 enabled = clip.pts_out != -1;
1160 ui->queue_btn->setEnabled(enabled);
1161 midi_mapper.set_queue_enabled(enabled);
1164 void MainWindow::set_output_status(const string &status)
1166 ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
1167 if (live_player != nullptr) {
1168 live_player->set_pause_status(status);
1171 lock_guard<mutex> lock(queue_status_mu);
1172 queue_status = status;
1175 pair<string, string> MainWindow::get_queue_status() const
1177 lock_guard<mutex> lock(queue_status_mu);
1178 return { queue_status, "text/plain" };
1181 void MainWindow::display_frame(unsigned stream_idx, const FrameOnDisk &frame)
1183 if (stream_idx >= MAX_STREAMS) {
1184 fprintf(stderr, "WARNING: Ignoring too-high stream index %u.\n", stream_idx);
1187 if (stream_idx >= num_cameras) {
1188 post_to_main_thread_and_wait([this, stream_idx] {
1189 num_cameras = stream_idx + 1;
1190 change_num_cameras();
1193 displays[stream_idx].display->setFrame(stream_idx, frame);
1196 void MainWindow::preview()
1198 post_to_main_thread([this] {
1203 void MainWindow::queue()
1205 post_to_main_thread([this] {
1210 void MainWindow::play()
1212 post_to_main_thread([this] {
1217 void MainWindow::toggle_lock()
1219 post_to_main_thread([this] {
1220 ui->speed_lock_btn->setChecked(!ui->speed_lock_btn->isChecked());
1221 speed_lock_clicked();
1225 void MainWindow::jog(int delta)
1227 post_to_main_thread([this, delta] {
1228 int64_t pts_delta = delta * (TIMEBASE / 60); // One click = frame at 60 fps.
1229 if (ui->playlist->hasFocus()) {
1230 QModelIndex selected = ui->playlist->selectionModel()->currentIndex();
1231 if (selected.column() != -1 && selected.row() != -1) {
1232 jog_internal(JOG_PLAYLIST, selected.row(), selected.column(), /*stream_idx=*/-1, pts_delta);
1234 } else if (ui->clip_list->hasFocus()) {
1235 QModelIndex selected = ui->clip_list->selectionModel()->currentIndex();
1236 if (cliplist_clips->is_camera_column(selected.column()) &&
1237 hidden_jog_column != -1) {
1238 // See the definition on hidden_jog_column.
1239 selected = selected.sibling(selected.row(), hidden_jog_column);
1240 ui->clip_list->selectionModel()->setCurrentIndex(selected, QItemSelectionModel::ClearAndSelect);
1241 hidden_jog_column = -1;
1243 if (selected.column() != -1 && selected.row() != -1) {
1244 jog_internal(JOG_CLIP_LIST, selected.row(), selected.column(), ui->preview_display->get_stream_idx(), pts_delta);
1250 void MainWindow::switch_camera(unsigned camera_idx)
1252 post_to_main_thread([this, camera_idx] {
1253 if (camera_idx < num_cameras) { // TODO: Also make this change a highlighted clip?
1254 preview_angle_clicked(camera_idx);
1259 void MainWindow::set_master_speed(float speed)
1261 speed = min(max(speed, 0.1f), 2.0f);
1263 post_to_main_thread([this, speed] {
1264 if (ui->speed_lock_btn->isChecked()) {
1265 midi_mapper.set_locked(MIDIMapper::Blinking);
1266 lock_blink_timeout->start(1000);
1270 int percent = lrintf(speed * 100.0f);
1271 ui->speed_slider->blockSignals(true);
1272 ui->speed_slider->setValue(percent);
1273 ui->speed_slider->blockSignals(false);
1274 ui->speed_lock_btn->setText(QString::fromStdString(" " + to_string(percent) + "%"));
1276 live_player->set_master_speed(speed);
1280 void MainWindow::cue_in()
1282 post_to_main_thread([this] { cue_in_clicked(); });
1285 void MainWindow::cue_out()
1287 post_to_main_thread([this] { cue_out_clicked(); });
1290 template<class Model>
1291 void MainWindow::replace_model(QTableView *view, Model **model, Model *new_model)
1293 QItemSelectionModel *old_selection_model = view->selectionModel();
1294 view->setModel(new_model);
1296 delete old_selection_model;
1298 connect(new_model, &Model::any_content_changed, this, &MainWindow::content_changed);
1301 void MainWindow::start_tally()
1303 http_reply = http.get(QNetworkRequest(QString::fromStdString(global_flags.tally_url)));
1304 connect(http_reply, &QNetworkReply::finished, this, &MainWindow::tally_received);
1307 void MainWindow::tally_received()
1309 unsigned time_to_next_tally_ms;
1310 if (http_reply->error()) {
1311 fprintf(stderr, "HTTP get of '%s' failed: %s\n", global_flags.tally_url.c_str(),
1312 http_reply->errorString().toStdString().c_str());
1313 ui->live_frame->setStyleSheet("");
1314 time_to_next_tally_ms = 1000;
1316 string contents = http_reply->readAll().toStdString();
1317 ui->live_frame->setStyleSheet(QString::fromStdString("background: " + contents));
1318 time_to_next_tally_ms = 100;
1320 http_reply->deleteLater();
1321 http_reply = nullptr;
1323 QTimer::singleShot(time_to_next_tally_ms, this, &MainWindow::start_tally);