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->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
186 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
187 QShortcut *delete_key = new QShortcut(QKeySequence(Qt::Key_Delete), ui->playlist);
188 connect(delete_key, &QShortcut::activated, [this] {
189 if (ui->playlist->hasFocus()) {
194 // TODO: support drag-and-drop.
195 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this] { playlist_move(-1); });
196 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this] { playlist_move(1); });
198 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
199 this, &MainWindow::playlist_selection_changed);
200 playlist_selection_changed(); // First time set-up.
202 preview_player.reset(new Player(ui->preview_display, Player::NO_STREAM_OUTPUT));
203 live_player.reset(new Player(ui->live_display, Player::HTTPD_STREAM_OUTPUT));
204 live_player->set_done_callback([this] {
205 post_to_main_thread([this] {
209 live_player->set_progress_callback([this](const map<uint64_t, double> &progress, double time_remaining) {
210 post_to_main_thread([this, progress, time_remaining] {
211 live_player_clip_progress(progress, time_remaining);
214 set_output_status("paused");
215 enable_or_disable_queue_button();
217 defer_timeout = new QTimer(this);
218 defer_timeout->setSingleShot(true);
219 connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
220 ui->undo_action->setEnabled(true);
222 connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
223 this, &MainWindow::clip_list_selection_changed);
224 enable_or_disable_queue_button();
226 // Find out how many cameras we have in the existing frames;
227 // if none, we start with two cameras.
230 lock_guard<mutex> lock(frame_mu);
231 for (size_t stream_idx = 2; stream_idx < MAX_STREAMS; ++stream_idx) {
232 if (!frames[stream_idx].empty()) {
233 num_cameras = stream_idx + 1;
237 change_num_cameras();
239 if (!global_flags.tally_url.empty()) {
243 if (!global_flags.midi_mapping_filename.empty()) {
244 MIDIMappingProto midi_mapping;
245 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
246 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
247 global_flags.midi_mapping_filename.c_str());
250 midi_mapper.set_midi_mapping(midi_mapping);
252 midi_mapper.refresh_lights();
253 midi_mapper.start_thread();
256 void MainWindow::change_num_cameras()
258 assert(num_cameras >= displays.size()); // We only add, never remove.
260 // Make new display rows.
261 unsigned display_rows = (num_cameras + 1) / 2;
262 ui->video_displays->setStretch(1, display_rows);
263 for (unsigned i = displays.size(); i < num_cameras; ++i) {
264 QFrame *frame = new QFrame(this);
265 frame->setAutoFillBackground(true);
267 QLayout *layout = new QGridLayout(frame);
268 frame->setLayout(layout);
269 layout->setContentsMargins(3, 3, 3, 3);
271 JPEGFrameView *display = new JPEGFrameView(frame);
272 display->setAutoFillBackground(true);
273 layout->addWidget(display);
275 ui->input_displays->addWidget(frame, i / 2, i % 2);
276 display->set_overlay(to_string(i + 1));
278 QPushButton *preview_btn = new QPushButton(this);
279 preview_btn->setMaximumSize(20, 17);
280 preview_btn->setText(QString::fromStdString(to_string(i + 1)));
281 ui->preview_layout->addWidget(preview_btn);
283 displays.emplace_back(FrameAndDisplay{ frame, display, preview_btn });
285 connect(display, &JPEGFrameView::clicked, preview_btn, &QPushButton::click);
286 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
287 connect(shortcut, &QShortcut::activated, preview_btn, &QPushButton::click);
289 connect(preview_btn, &QPushButton::clicked, [this, i] { preview_angle_clicked(i); });
292 cliplist_clips->change_num_cameras(num_cameras);
293 playlist_clips->change_num_cameras(num_cameras);
295 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
298 MainWindow::~MainWindow()
300 // Empty so that we can forward-declare Player in the .h file.
303 void MainWindow::cue_in_clicked()
305 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
306 cliplist_clips->mutable_back()->pts_in = current_pts;
309 clip.pts_in = max<int64_t>(current_pts - lrint(global_flags.cue_point_padding_seconds * TIMEBASE), 0);
310 cliplist_clips->add_clip(clip);
311 playlist_selection_changed();
314 // Select the item so that we can jog it.
315 ui->clip_list->setFocus();
316 QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::IN));
317 ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
318 ui->clip_list->scrollToBottom();
319 enable_or_disable_queue_button();
322 void MainWindow::cue_out_clicked()
324 if (cliplist_clips->empty()) {
328 cliplist_clips->mutable_back()->pts_out = current_pts + lrint(global_flags.cue_point_padding_seconds * TIMEBASE);
330 // Select the item so that we can jog it.
331 ui->clip_list->setFocus();
332 QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::OUT));
333 ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
334 ui->clip_list->scrollToBottom();
335 enable_or_disable_queue_button();
338 void MainWindow::queue_clicked()
340 // See also enable_or_disable_queue_button().
342 if (cliplist_clips->empty()) {
346 QItemSelectionModel *selected = ui->clip_list->selectionModel();
347 if (!selected->hasSelection()) {
348 Clip clip = *cliplist_clips->back();
350 if (clip.pts_out != -1) {
351 playlist_clips->add_clip(clip);
352 playlist_selection_changed();
353 ui->playlist->scrollToBottom();
358 QModelIndex index = selected->currentIndex();
359 Clip clip = *cliplist_clips->clip(index.row());
360 if (cliplist_clips->is_camera_column(index.column())) {
361 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
363 clip.stream_idx = ui->preview_display->get_stream_idx();
366 if (clip.pts_out != -1) {
367 playlist_clips->add_clip(clip);
368 playlist_selection_changed();
369 ui->playlist->scrollToBottom();
370 if (!ui->playlist->selectionModel()->hasSelection()) {
371 // TODO: Figure out why this doesn't always seem to actually select the row.
372 QModelIndex bottom = playlist_clips->index(playlist_clips->size() - 1, 0);
373 ui->playlist->setCurrentIndex(bottom);
378 void MainWindow::preview_clicked()
380 // See also enable_or_disable_preview_button().
382 if (ui->playlist->hasFocus()) {
383 // Allow the playlist as preview iff it has focus and something is selected.
384 QItemSelectionModel *selected = ui->playlist->selectionModel();
385 if (selected->hasSelection()) {
386 QModelIndex index = selected->currentIndex();
387 const Clip &clip = *playlist_clips->clip(index.row());
388 preview_player->play(clip);
393 if (cliplist_clips->empty())
396 QItemSelectionModel *selected = ui->clip_list->selectionModel();
397 if (!selected->hasSelection()) {
398 preview_player->play(*cliplist_clips->back());
402 QModelIndex index = selected->currentIndex();
403 Clip clip = *cliplist_clips->clip(index.row());
404 if (cliplist_clips->is_camera_column(index.column())) {
405 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
407 clip.stream_idx = ui->preview_display->get_stream_idx();
409 preview_player->play(clip);
412 void MainWindow::preview_angle_clicked(unsigned stream_idx)
414 preview_player->override_angle(stream_idx);
416 // Change the selection if we were previewing a clip from the clip list.
417 // (The only other thing we could be showing is a pts scrub, and if so,
418 // that would be selected.)
419 QItemSelectionModel *selected = ui->clip_list->selectionModel();
420 if (selected->hasSelection()) {
421 QModelIndex cell = selected->selectedIndexes()[0];
422 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
423 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
427 void MainWindow::playlist_duplicate()
429 QItemSelectionModel *selected = ui->playlist->selectionModel();
430 if (!selected->hasSelection()) {
431 // Should have been grayed out, but OK.
434 QModelIndexList rows = selected->selectedRows();
435 int first = rows.front().row(), last = rows.back().row();
436 playlist_clips->duplicate_clips(first, last);
437 playlist_selection_changed();
440 void MainWindow::playlist_remove()
442 QItemSelectionModel *selected = ui->playlist->selectionModel();
443 if (!selected->hasSelection()) {
444 // Should have been grayed out, but OK.
447 QModelIndexList rows = selected->selectedRows();
448 int first = rows.front().row(), last = rows.back().row();
449 playlist_clips->erase_clips(first, last);
451 // TODO: select the next one in the list?
453 playlist_selection_changed();
456 void MainWindow::playlist_move(int delta)
458 QItemSelectionModel *selected = ui->playlist->selectionModel();
459 if (!selected->hasSelection()) {
460 // Should have been grayed out, but OK.
464 QModelIndexList rows = selected->selectedRows();
465 int first = rows.front().row(), last = rows.back().row();
466 if ((delta == -1 && first == 0) ||
467 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
468 // Should have been grayed out, but OK.
472 playlist_clips->move_clips(first, last, delta);
473 playlist_selection_changed();
476 void MainWindow::jog_internal(JogDestination jog_destination, int row, int column, int stream_idx, int pts_delta)
478 constexpr int camera_pts_per_pixel = 1500; // One click of most mice (15 degrees), multiplied by the default wheel_sensitivity.
480 int in_column, out_column, camera_column;
481 if (jog_destination == JOG_CLIP_LIST) {
482 in_column = int(ClipList::Column::IN);
483 out_column = int(ClipList::Column::OUT);
485 } else if (jog_destination == JOG_PLAYLIST) {
486 in_column = int(PlayList::Column::IN);
487 out_column = int(PlayList::Column::OUT);
488 camera_column = int(PlayList::Column::CAMERA);
493 currently_deferring_model_changes = true;
495 current_change_id = (jog_destination == JOG_CLIP_LIST) ? "cliplist:" : "playlist:";
496 ClipProxy clip = (jog_destination == JOG_CLIP_LIST) ? cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
497 if (jog_destination == JOG_PLAYLIST) {
498 stream_idx = clip->stream_idx;
501 if (column == in_column) {
502 current_change_id += "in:" + to_string(row);
503 int64_t pts = clip->pts_in + pts_delta;
504 set_pts_in(pts, current_pts, clip);
505 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
506 } else if (column == out_column) {
507 current_change_id += "out:" + to_string(row);
508 int64_t pts = clip->pts_out + pts_delta;
509 pts = std::max(pts, clip->pts_in);
510 pts = std::min(pts, current_pts);
512 preview_single_frame(pts, stream_idx, LAST_BEFORE);
513 } else if (column == camera_column) {
514 current_change_id += "camera:" + to_string(row);
515 int angle_degrees = pts_delta;
516 if (last_mousewheel_camera_row == row) {
517 angle_degrees += leftover_angle_degrees;
520 int stream_idx = clip->stream_idx + angle_degrees / camera_pts_per_pixel;
521 stream_idx = std::max(stream_idx, 0);
522 stream_idx = std::min<int>(stream_idx, num_cameras - 1);
523 clip->stream_idx = stream_idx;
525 last_mousewheel_camera_row = row;
526 leftover_angle_degrees = angle_degrees % camera_pts_per_pixel;
528 // Don't update the live view, that's rarely what the operator wants.
531 currently_deferring_model_changes = false;
534 void MainWindow::defer_timer_expired()
536 state_changed(deferred_state);
539 void MainWindow::content_changed()
541 // If we are playing, update the part of the playlist that's not playing yet.
542 vector<ClipWithID> clips;
543 for (unsigned row = 0; row < playlist_clips->size(); ++row) {
544 clips.emplace_back(*playlist_clips->clip_with_id(row));
546 live_player->splice_play(clips);
548 // Serialize the state.
549 if (defer_timeout->isActive() &&
550 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
551 // There's some deferred event waiting, but this event is unrelated.
552 // So it's time to short-circuit that timer and do the work it wanted to do.
553 defer_timeout->stop();
554 state_changed(deferred_state);
557 *state.mutable_clip_list() = cliplist_clips->serialize();
558 *state.mutable_play_list() = playlist_clips->serialize();
559 if (currently_deferring_model_changes) {
560 deferred_change_id = current_change_id;
561 deferred_state = std::move(state);
562 defer_timeout->start(200);
565 state_changed(state);
568 void MainWindow::state_changed(const StateProto &state)
570 db.store_state(state);
573 ui->redo_action->setEnabled(false);
575 undo_stack.push_back(state);
576 ui->undo_action->setEnabled(undo_stack.size() > 1);
578 // Make sure it doesn't grow without bounds.
579 while (undo_stack.size() >= 100) {
580 undo_stack.pop_front();
584 void MainWindow::save_settings()
586 SettingsProto settings;
587 settings.set_interpolation_quality(global_flags.interpolation_quality + 1);
588 settings.set_cue_point_padding_seconds(global_flags.cue_point_padding_seconds);
589 db.store_settings(settings);
592 void MainWindow::play_clicked()
594 if (playlist_clips->empty())
597 QItemSelectionModel *selected = ui->playlist->selectionModel();
599 if (!selected->hasSelection()) {
602 start_row = selected->selectedRows(0)[0].row();
605 vector<ClipWithID> clips;
606 for (unsigned row = start_row; row < playlist_clips->size(); ++row) {
607 clips.emplace_back(*playlist_clips->clip_with_id(row));
609 live_player->play(clips);
610 playlist_clips->set_progress({ { start_row, 0.0f } });
611 ui->playlist->selectionModel()->clear();
612 playlist_selection_changed();
614 ui->stop_btn->setEnabled(true);
617 void MainWindow::stop_clicked()
620 fake_clip.pts_in = 0;
621 fake_clip.pts_out = 0;
622 playlist_clips->set_progress({});
623 live_player->play(fake_clip);
624 ui->stop_btn->setEnabled(false);
627 void MainWindow::live_player_done()
629 playlist_selection_changed();
630 playlist_clips->set_progress({});
631 ui->stop_btn->setEnabled(false);
634 void MainWindow::live_player_clip_progress(const map<uint64_t, double> &progress, double time_remaining)
636 playlist_clips->set_progress(progress);
637 set_output_status(format_duration(time_remaining) + " left");
640 void MainWindow::resizeEvent(QResizeEvent *event)
642 QMainWindow::resizeEvent(event);
644 // Ask for a relayout, but only after the event loop is done doing relayout
645 // on everything else.
646 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
649 void MainWindow::relayout()
651 ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
652 ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
655 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
657 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
658 int scrub_sensitivity = 100; // pts units per pixel.
659 int wheel_sensitivity = 100; // pts units per degree.
661 if (event->type() == QEvent::FocusIn || event->type() == QEvent::FocusOut) {
662 enable_or_disable_preview_button();
663 hidden_jog_column = -1;
666 unsigned stream_idx = ui->preview_display->get_stream_idx();
668 if (watched == ui->clip_list) {
669 if (event->type() == QEvent::FocusOut) {
670 highlight_camera_input(-1);
675 if (event->type() != QEvent::Wheel) {
676 last_mousewheel_camera_row = -1;
679 if (event->type() == QEvent::MouseButtonPress) {
680 QMouseEvent *mouse = (QMouseEvent *)event;
682 QTableView *destination;
685 if (watched == ui->clip_list->viewport()) {
686 destination = ui->clip_list;
687 type = SCRUBBING_CLIP_LIST;
688 } else if (watched == ui->playlist->viewport()) {
689 destination = ui->playlist;
690 type = SCRUBBING_PLAYLIST;
694 int column = destination->columnAt(mouse->x());
695 int row = destination->rowAt(mouse->y());
696 if (column == -1 || row == -1)
699 if (type == SCRUBBING_CLIP_LIST) {
700 if (ClipList::Column(column) == ClipList::Column::IN) {
701 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
702 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
703 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
704 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
705 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
710 if (PlayList::Column(column) == PlayList::Column::IN) {
711 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
712 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
713 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
714 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
715 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
723 scrub_column = column;
724 scrub_x_origin = mouse->x();
726 } else if (event->type() == QEvent::MouseMove) {
727 QMouseEvent *mouse = (QMouseEvent *)event;
728 if (mouse->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
729 scrub_sensitivity *= 10;
730 wheel_sensitivity *= 10;
732 if (mouse->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
733 scrub_sensitivity /= 10;
734 wheel_sensitivity /= 10;
737 int offset = mouse->x() - scrub_x_origin;
739 if (offset >= dead_zone_pixels) {
740 adjusted_offset = offset - dead_zone_pixels;
741 } else if (offset < -dead_zone_pixels) {
742 adjusted_offset = offset + dead_zone_pixels;
747 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
748 currently_deferring_model_changes = true;
749 if (scrub_type == SCRUBBING_CLIP_LIST) {
750 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
751 if (scrub_column == int(ClipList::Column::IN)) {
752 current_change_id = "cliplist:in:" + to_string(scrub_row);
753 set_pts_in(pts, current_pts, clip);
754 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
756 current_change_id = "cliplist:out" + to_string(scrub_row);
757 pts = std::max(pts, clip->pts_in);
758 pts = std::min(pts, current_pts);
760 preview_single_frame(pts, stream_idx, LAST_BEFORE);
763 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
764 if (scrub_column == int(PlayList::Column::IN)) {
765 current_change_id = "playlist:in:" + to_string(scrub_row);
766 set_pts_in(pts, current_pts, clip);
767 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
769 current_change_id = "playlist:out:" + to_string(scrub_row);
770 pts = std::max(pts, clip->pts_in);
771 pts = std::min(pts, current_pts);
773 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
776 currently_deferring_model_changes = false;
778 return true; // Don't use this mouse movement for selecting things.
780 } else if (event->type() == QEvent::Wheel) {
781 QWheelEvent *wheel = (QWheelEvent *)event;
782 int angle_delta = wheel->angleDelta().y();
783 if (wheel->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
784 scrub_sensitivity *= 10;
785 wheel_sensitivity *= 10;
787 if (wheel->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
788 scrub_sensitivity /= 10;
789 wheel_sensitivity /= 10;
790 angle_delta = wheel->angleDelta().x(); // Qt ickiness.
793 QTableView *destination;
794 JogDestination jog_destination;
795 if (watched == ui->clip_list->viewport()) {
796 destination = ui->clip_list;
797 jog_destination = JOG_CLIP_LIST;
798 last_mousewheel_camera_row = -1;
799 } else if (watched == ui->playlist->viewport()) {
800 destination = ui->playlist;
801 jog_destination = JOG_PLAYLIST;
802 if (destination->columnAt(wheel->x()) != int(PlayList::Column::CAMERA)) {
803 last_mousewheel_camera_row = -1;
806 last_mousewheel_camera_row = -1;
810 int column = destination->columnAt(wheel->x());
811 int row = destination->rowAt(wheel->y());
812 if (column == -1 || row == -1)
815 // Only adjust pts with the wheel if the given row is selected.
816 if (!destination->hasFocus() ||
817 row != destination->selectionModel()->currentIndex().row()) {
821 jog_internal(jog_destination, row, column, stream_idx, angle_delta * wheel_sensitivity);
822 return true; // Don't scroll.
823 } else if (event->type() == QEvent::MouseButtonRelease) {
829 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
831 if (rounding == LAST_BEFORE) {
832 lock_guard<mutex> lock(frame_mu);
833 if (frames[stream_idx].empty())
835 auto it = find_last_frame_before(frames[stream_idx], pts);
836 if (it != frames[stream_idx].end()) {
840 assert(rounding == FIRST_AT_OR_AFTER);
841 lock_guard<mutex> lock(frame_mu);
842 if (frames[stream_idx].empty())
844 auto it = find_first_frame_at_or_after(frames[stream_idx], pts);
845 if (it != frames[stream_idx].end()) {
851 fake_clip.pts_in = pts;
852 fake_clip.pts_out = pts + 1;
853 fake_clip.stream_idx = stream_idx;
854 preview_player->play(fake_clip);
857 void MainWindow::playlist_selection_changed()
859 enable_or_disable_preview_button();
861 QItemSelectionModel *selected = ui->playlist->selectionModel();
862 bool any_selected = selected->hasSelection();
863 ui->playlist_duplicate_btn->setEnabled(any_selected);
864 ui->playlist_remove_btn->setEnabled(any_selected);
865 ui->playlist_move_up_btn->setEnabled(
866 any_selected && selected->selectedRows().front().row() > 0);
867 ui->playlist_move_down_btn->setEnabled(
868 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
870 ui->play_btn->setEnabled(!playlist_clips->empty());
871 midi_mapper.set_play_enabled(!playlist_clips->empty());
874 set_output_status("paused");
876 vector<ClipWithID> clips;
877 for (size_t row = selected->selectedRows().front().row(); row < playlist_clips->size(); ++row) {
878 clips.emplace_back(*playlist_clips->clip_with_id(row));
880 double remaining = compute_total_time(clips);
881 set_output_status(format_duration(remaining) + " ready");
885 void MainWindow::clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &previous)
887 int camera_selected = -1;
888 if (cliplist_clips->is_camera_column(current.column())) {
889 camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
891 // See the comment on hidden_jog_column.
892 if (current.row() != previous.row()) {
893 hidden_jog_column = -1;
894 } else if (hidden_jog_column == -1) {
895 hidden_jog_column = previous.column();
898 hidden_jog_column = -1;
900 highlight_camera_input(camera_selected);
901 enable_or_disable_queue_button();
904 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
907 if (estimated_seconds_left < 60.0) {
908 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
909 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
910 int s = lrintf(estimated_seconds_left);
913 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
914 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
915 int m = lrintf(estimated_seconds_left / 60.0);
916 snprintf(time_str, sizeof(time_str), "%dm", m);
917 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
918 int m = lrintf(estimated_seconds_left / 60.0);
921 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
922 } else { // More than ten hours: Xh.
923 int h = lrintf(estimated_seconds_left / 3600.0);
924 snprintf(time_str, sizeof(time_str), "%dh", h);
927 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
929 std::string label = buf;
931 post_to_main_thread([this, label] {
932 disk_free_label->setText(QString::fromStdString(label));
933 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
937 void MainWindow::exit_triggered()
942 void MainWindow::export_cliplist_clip_multitrack_triggered()
944 QItemSelectionModel *selected = ui->clip_list->selectionModel();
945 if (!selected->hasSelection()) {
947 msgbox.setText("No clip selected in the clip list. Select one and try exporting again.");
952 QModelIndex index = selected->currentIndex();
953 Clip clip = *cliplist_clips->clip(index.row());
954 QString filename = QFileDialog::getSaveFileName(this,
955 "Export multitrack clip", QString(), tr("Matroska video files (*.mkv)"));
956 if (filename.isNull()) {
960 if (!filename.endsWith(".mkv")) {
963 export_multitrack_clip(filename.toStdString(), clip);
966 void MainWindow::export_playlist_clip_interpolated_triggered()
968 QItemSelectionModel *selected = ui->playlist->selectionModel();
969 if (!selected->hasSelection()) {
971 msgbox.setText("No clip selected in the playlist. Select one and try exporting again.");
976 QString filename = QFileDialog::getSaveFileName(this,
977 "Export interpolated clip", QString(), tr("Matroska video files (*.mkv)"));
978 if (filename.isNull()) {
982 if (!filename.endsWith(".mkv")) {
987 QModelIndexList rows = selected->selectedRows();
988 for (QModelIndex index : rows) {
989 clips.push_back(*playlist_clips->clip(index.row()));
991 export_interpolated_clip(filename.toStdString(), clips);
994 void MainWindow::manual_triggered()
996 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
998 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
1003 void MainWindow::about_triggered()
1005 AboutDialog("Futatabi", "Multicamera slow motion video server").exec();
1008 void MainWindow::undo_triggered()
1010 // Finish any deferred action.
1011 if (defer_timeout->isActive()) {
1012 defer_timeout->stop();
1013 state_changed(deferred_state);
1016 StateProto redo_state;
1017 *redo_state.mutable_clip_list() = cliplist_clips->serialize();
1018 *redo_state.mutable_play_list() = playlist_clips->serialize();
1019 redo_stack.push_back(std::move(redo_state));
1020 ui->redo_action->setEnabled(true);
1022 assert(undo_stack.size() > 1);
1024 // Pop off the current state, which is always at the top of the stack.
1025 undo_stack.pop_back();
1027 StateProto state = undo_stack.back();
1028 ui->undo_action->setEnabled(undo_stack.size() > 1);
1030 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
1031 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
1033 db.store_state(state);
1036 void MainWindow::redo_triggered()
1038 assert(!redo_stack.empty());
1040 ui->undo_action->setEnabled(true);
1041 ui->redo_action->setEnabled(true);
1043 undo_stack.push_back(std::move(redo_stack.back()));
1044 redo_stack.pop_back();
1045 ui->undo_action->setEnabled(true);
1046 ui->redo_action->setEnabled(!redo_stack.empty());
1048 const StateProto &state = undo_stack.back();
1049 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
1050 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
1052 db.store_state(state);
1055 void MainWindow::quality_toggled(int quality, bool checked)
1060 global_flags.interpolation_quality = quality;
1061 if (quality != 0 && // Turning interpolation off is always possible.
1062 quality != flow_initialized_interpolation_quality) {
1064 msgbox.setText(QString::fromStdString(
1065 "The interpolation quality for the main output cannot be changed at runtime, "
1066 "except being turned completely off; it will take effect for exported files "
1067 "only until next restart. The live output quality thus remains at " +
1068 to_string(flow_initialized_interpolation_quality) + "."));
1075 void MainWindow::padding_toggled(double seconds, bool checked)
1080 global_flags.cue_point_padding_seconds = seconds;
1084 void MainWindow::highlight_camera_input(int stream_idx)
1086 for (unsigned i = 0; i < num_cameras; ++i) {
1087 if (unsigned(stream_idx) == i) {
1088 displays[i].frame->setStyleSheet("background: rgb(0,255,0)");
1090 displays[i].frame->setStyleSheet("");
1093 midi_mapper.highlight_camera_input(stream_idx);
1096 void MainWindow::enable_or_disable_preview_button()
1098 // Follows the logic in preview_clicked().
1100 if (ui->playlist->hasFocus()) {
1101 // Allow the playlist as preview iff it has focus and something is selected.
1102 // TODO: Is this part really relevant?
1103 QItemSelectionModel *selected = ui->playlist->selectionModel();
1104 if (selected->hasSelection()) {
1105 ui->preview_btn->setEnabled(true);
1106 midi_mapper.set_preview_enabled(true);
1111 // TODO: Perhaps only enable this if something is actually selected.
1112 ui->preview_btn->setEnabled(!cliplist_clips->empty());
1113 midi_mapper.set_preview_enabled(!cliplist_clips->empty());
1116 void MainWindow::enable_or_disable_queue_button()
1118 // Follows the logic in queue_clicked().
1119 // TODO: Perhaps only enable this if something is actually selected.
1123 if (cliplist_clips->empty()) {
1126 QItemSelectionModel *selected = ui->clip_list->selectionModel();
1127 if (!selected->hasSelection()) {
1128 Clip clip = *cliplist_clips->back();
1129 enabled = clip.pts_out != -1;
1131 QModelIndex index = selected->currentIndex();
1132 Clip clip = *cliplist_clips->clip(index.row());
1133 enabled = clip.pts_out != -1;
1137 ui->queue_btn->setEnabled(enabled);
1138 midi_mapper.set_queue_enabled(enabled);
1141 void MainWindow::set_output_status(const string &status)
1143 ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
1144 if (live_player != nullptr) {
1145 live_player->set_pause_status(status);
1148 lock_guard<mutex> lock(queue_status_mu);
1149 queue_status = status;
1152 pair<string, string> MainWindow::get_queue_status() const
1154 lock_guard<mutex> lock(queue_status_mu);
1155 return { queue_status, "text/plain" };
1158 void MainWindow::display_frame(unsigned stream_idx, const FrameOnDisk &frame)
1160 if (stream_idx >= MAX_STREAMS) {
1161 fprintf(stderr, "WARNING: Ignoring too-high stream index %u.\n", stream_idx);
1164 if (stream_idx >= num_cameras) {
1165 post_to_main_thread_and_wait([this, stream_idx] {
1166 num_cameras = stream_idx + 1;
1167 change_num_cameras();
1170 displays[stream_idx].display->setFrame(stream_idx, frame);
1173 void MainWindow::preview()
1175 post_to_main_thread([this] {
1180 void MainWindow::queue()
1182 post_to_main_thread([this] {
1187 void MainWindow::play()
1189 post_to_main_thread([this] {
1194 void MainWindow::jog(int delta)
1196 post_to_main_thread([this, delta] {
1197 int64_t pts_delta = delta * (TIMEBASE / 60); // One click = frame at 60 fps.
1198 if (ui->playlist->hasFocus()) {
1199 QModelIndex selected = ui->playlist->selectionModel()->currentIndex();
1200 if (selected.column() != -1 && selected.row() != -1) {
1201 jog_internal(JOG_PLAYLIST, selected.row(), selected.column(), /*stream_idx=*/-1, pts_delta);
1203 } else if (ui->clip_list->hasFocus()) {
1204 QModelIndex selected = ui->clip_list->selectionModel()->currentIndex();
1205 if (cliplist_clips->is_camera_column(selected.column()) &&
1206 hidden_jog_column != -1) {
1207 // See the definition on hidden_jog_column.
1208 selected = selected.sibling(selected.row(), hidden_jog_column);
1209 ui->clip_list->selectionModel()->setCurrentIndex(selected, QItemSelectionModel::ClearAndSelect);
1210 hidden_jog_column = -1;
1212 if (selected.column() != -1 && selected.row() != -1) {
1213 jog_internal(JOG_CLIP_LIST, selected.row(), selected.column(), ui->preview_display->get_stream_idx(), pts_delta);
1219 void MainWindow::switch_camera(unsigned camera_idx)
1221 post_to_main_thread([this, camera_idx] {
1222 if (camera_idx < num_cameras) { // TODO: Also make this change a highlighted clip?
1223 preview_angle_clicked(camera_idx);
1228 void MainWindow::cue_in()
1230 post_to_main_thread([this] { cue_in_clicked(); });
1233 void MainWindow::cue_out()
1235 post_to_main_thread([this] { cue_out_clicked(); });
1238 template<class Model>
1239 void MainWindow::replace_model(QTableView *view, Model **model, Model *new_model)
1241 QItemSelectionModel *old_selection_model = view->selectionModel();
1242 view->setModel(new_model);
1244 delete old_selection_model;
1246 connect(new_model, &Model::any_content_changed, this, &MainWindow::content_changed);
1249 void MainWindow::start_tally()
1251 http_reply = http.get(QNetworkRequest(QString::fromStdString(global_flags.tally_url)));
1252 connect(http_reply, &QNetworkReply::finished, this, &MainWindow::tally_received);
1255 void MainWindow::tally_received()
1257 unsigned time_to_next_tally_ms;
1258 if (http_reply->error()) {
1259 fprintf(stderr, "HTTP get of '%s' failed: %s\n", global_flags.tally_url.c_str(),
1260 http_reply->errorString().toStdString().c_str());
1261 ui->live_frame->setStyleSheet("");
1262 time_to_next_tally_ms = 1000;
1264 string contents = http_reply->readAll().toStdString();
1265 ui->live_frame->setStyleSheet(QString::fromStdString("background: " + contents));
1266 time_to_next_tally_ms = 100;
1268 http_reply->deleteLater();
1269 http_reply = nullptr;
1271 QTimer::singleShot(time_to_next_tally_ms, this, &MainWindow::start_tally);