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 preview_player->set_done_callback([this] {
207 post_to_main_thread([this] {
208 preview_player_done();
212 live_player.reset(new Player(ui->live_display, Player::HTTPD_STREAM_OUTPUT));
213 live_player->set_done_callback([this] {
214 post_to_main_thread([this] {
218 live_player->set_progress_callback([this](const map<uint64_t, double> &progress, double time_remaining) {
219 post_to_main_thread([this, progress, time_remaining] {
220 live_player_clip_progress(progress, time_remaining);
223 set_output_status("paused");
224 enable_or_disable_queue_button();
226 defer_timeout = new QTimer(this);
227 defer_timeout->setSingleShot(true);
228 connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
229 ui->undo_action->setEnabled(true);
231 lock_blink_timeout = new QTimer(this);
232 lock_blink_timeout->setSingleShot(true);
233 connect(lock_blink_timeout, &QTimer::timeout, this, &MainWindow::lock_blink_timer_expired);
235 connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
236 this, &MainWindow::clip_list_selection_changed);
237 enable_or_disable_queue_button();
239 // Find out how many cameras we have in the existing frames;
240 // if none, we start with two cameras.
243 lock_guard<mutex> lock(frame_mu);
244 for (size_t stream_idx = 2; stream_idx < MAX_STREAMS; ++stream_idx) {
245 if (!frames[stream_idx].empty()) {
246 num_cameras = stream_idx + 1;
250 change_num_cameras();
252 if (!global_flags.tally_url.empty()) {
256 if (!global_flags.midi_mapping_filename.empty()) {
257 MIDIMappingProto midi_mapping;
258 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
259 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
260 global_flags.midi_mapping_filename.c_str());
263 midi_mapper.set_midi_mapping(midi_mapping);
265 midi_mapper.refresh_lights();
266 midi_mapper.start_thread();
269 void MainWindow::change_num_cameras()
271 assert(num_cameras >= displays.size()); // We only add, never remove.
273 // Make new display rows.
274 unsigned display_rows = (num_cameras + 1) / 2;
275 ui->video_displays->setStretch(1, display_rows);
276 for (unsigned i = displays.size(); i < num_cameras; ++i) {
277 QFrame *frame = new QFrame(this);
278 frame->setAutoFillBackground(true);
280 QLayout *layout = new QGridLayout(frame);
281 frame->setLayout(layout);
282 layout->setContentsMargins(3, 3, 3, 3);
284 JPEGFrameView *display = new JPEGFrameView(frame);
285 display->setAutoFillBackground(true);
286 layout->addWidget(display);
288 ui->input_displays->addWidget(frame, i / 2, i % 2);
289 display->set_overlay(to_string(i + 1));
291 QPushButton *preview_btn = new QPushButton(this);
292 preview_btn->setMaximumSize(20, 17);
293 preview_btn->setText(QString::fromStdString(to_string(i + 1)));
294 ui->preview_layout->addWidget(preview_btn);
296 displays.emplace_back(FrameAndDisplay{ frame, display, preview_btn });
298 connect(display, &JPEGFrameView::clicked, preview_btn, &QPushButton::click);
299 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
300 connect(shortcut, &QShortcut::activated, preview_btn, &QPushButton::click);
302 connect(preview_btn, &QPushButton::clicked, [this, i] { preview_angle_clicked(i); });
305 cliplist_clips->change_num_cameras(num_cameras);
306 playlist_clips->change_num_cameras(num_cameras);
308 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
311 MainWindow::~MainWindow()
313 // Empty so that we can forward-declare Player in the .h file.
316 void MainWindow::cue_in_clicked()
318 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
319 cliplist_clips->mutable_back()->pts_in = current_pts;
322 clip.pts_in = max<int64_t>(current_pts - lrint(global_flags.cue_point_padding_seconds * TIMEBASE), 0);
323 cliplist_clips->add_clip(clip);
324 playlist_selection_changed();
327 // Select the item so that we can jog it.
328 ui->clip_list->setFocus();
329 QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::IN));
330 ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
331 ui->clip_list->scrollToBottom();
332 enable_or_disable_queue_button();
335 void MainWindow::cue_out_clicked()
337 if (cliplist_clips->empty()) {
341 cliplist_clips->mutable_back()->pts_out = current_pts + lrint(global_flags.cue_point_padding_seconds * TIMEBASE);
343 // Select the item so that we can jog it.
344 ui->clip_list->setFocus();
345 QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::OUT));
346 ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
347 ui->clip_list->scrollToBottom();
348 enable_or_disable_queue_button();
351 void MainWindow::queue_clicked()
353 // See also enable_or_disable_queue_button().
355 if (cliplist_clips->empty()) {
359 QItemSelectionModel *selected = ui->clip_list->selectionModel();
360 if (!selected->hasSelection()) {
361 Clip clip = *cliplist_clips->back();
363 if (clip.pts_out != -1) {
364 playlist_clips->add_clip(clip);
365 playlist_selection_changed();
366 ui->playlist->scrollToBottom();
371 QModelIndex index = selected->currentIndex();
372 Clip clip = *cliplist_clips->clip(index.row());
373 if (cliplist_clips->is_camera_column(index.column())) {
374 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
376 clip.stream_idx = ui->preview_display->get_stream_idx();
379 if (clip.pts_out != -1) {
380 playlist_clips->add_clip(clip);
381 playlist_selection_changed();
382 ui->playlist->scrollToBottom();
383 if (!ui->playlist->selectionModel()->hasSelection()) {
384 // TODO: Figure out why this doesn't always seem to actually select the row.
385 QModelIndex bottom = playlist_clips->index(playlist_clips->size() - 1, 0);
386 ui->playlist->setCurrentIndex(bottom);
391 void MainWindow::preview_clicked()
393 // See also enable_or_disable_preview_button().
395 if (ui->playlist->hasFocus()) {
396 // Allow the playlist as preview iff it has focus and something is selected.
397 QItemSelectionModel *selected = ui->playlist->selectionModel();
398 if (selected->hasSelection()) {
399 QModelIndex index = selected->currentIndex();
400 const Clip &clip = *playlist_clips->clip(index.row());
401 preview_player->play(clip);
402 preview_playing = true;
403 enable_or_disable_preview_button();
408 if (cliplist_clips->empty())
411 QItemSelectionModel *selected = ui->clip_list->selectionModel();
412 if (!selected->hasSelection()) {
413 preview_player->play(*cliplist_clips->back());
414 preview_playing = true;
415 enable_or_disable_preview_button();
419 QModelIndex index = selected->currentIndex();
420 Clip clip = *cliplist_clips->clip(index.row());
421 if (cliplist_clips->is_camera_column(index.column())) {
422 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
424 clip.stream_idx = ui->preview_display->get_stream_idx();
426 preview_player->play(clip);
427 preview_playing = true;
428 enable_or_disable_preview_button();
431 void MainWindow::preview_angle_clicked(unsigned stream_idx)
433 preview_player->override_angle(stream_idx);
435 // Change the selection if we were previewing a clip from the clip list.
436 // (The only other thing we could be showing is a pts scrub, and if so,
437 // that would be selected.)
438 QItemSelectionModel *selected = ui->clip_list->selectionModel();
439 if (selected->hasSelection()) {
440 QModelIndex cell = selected->selectedIndexes()[0];
441 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
442 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
446 void MainWindow::playlist_duplicate()
448 QItemSelectionModel *selected = ui->playlist->selectionModel();
449 if (!selected->hasSelection()) {
450 // Should have been grayed out, but OK.
453 QModelIndexList rows = selected->selectedRows();
454 int first = rows.front().row(), last = rows.back().row();
455 playlist_clips->duplicate_clips(first, last);
456 playlist_selection_changed();
459 void MainWindow::playlist_remove()
461 QItemSelectionModel *selected = ui->playlist->selectionModel();
462 if (!selected->hasSelection()) {
463 // Should have been grayed out, but OK.
466 QModelIndexList rows = selected->selectedRows();
467 int first = rows.front().row(), last = rows.back().row();
468 playlist_clips->erase_clips(first, last);
470 // TODO: select the next one in the list?
472 playlist_selection_changed();
475 void MainWindow::playlist_move(int delta)
477 QItemSelectionModel *selected = ui->playlist->selectionModel();
478 if (!selected->hasSelection()) {
479 // Should have been grayed out, but OK.
483 QModelIndexList rows = selected->selectedRows();
484 int first = rows.front().row(), last = rows.back().row();
485 if ((delta == -1 && first == 0) ||
486 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
487 // Should have been grayed out, but OK.
491 playlist_clips->move_clips(first, last, delta);
492 playlist_selection_changed();
495 void MainWindow::jog_internal(JogDestination jog_destination, int row, int column, int stream_idx, int pts_delta)
497 constexpr int camera_pts_per_pixel = 1500; // One click of most mice (15 degrees), multiplied by the default wheel_sensitivity.
499 int in_column, out_column, camera_column;
500 if (jog_destination == JOG_CLIP_LIST) {
501 in_column = int(ClipList::Column::IN);
502 out_column = int(ClipList::Column::OUT);
504 } else if (jog_destination == JOG_PLAYLIST) {
505 in_column = int(PlayList::Column::IN);
506 out_column = int(PlayList::Column::OUT);
507 camera_column = int(PlayList::Column::CAMERA);
512 currently_deferring_model_changes = true;
514 current_change_id = (jog_destination == JOG_CLIP_LIST) ? "cliplist:" : "playlist:";
515 ClipProxy clip = (jog_destination == JOG_CLIP_LIST) ? cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
516 if (jog_destination == JOG_PLAYLIST) {
517 stream_idx = clip->stream_idx;
520 if (column == in_column) {
521 current_change_id += "in:" + to_string(row);
522 int64_t pts = clip->pts_in + pts_delta;
523 set_pts_in(pts, current_pts, clip);
524 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
525 } else if (column == out_column) {
526 current_change_id += "out:" + to_string(row);
527 int64_t pts = clip->pts_out + pts_delta;
528 pts = std::max(pts, clip->pts_in);
529 pts = std::min(pts, current_pts);
531 preview_single_frame(pts, stream_idx, LAST_BEFORE);
532 } else if (column == camera_column) {
533 current_change_id += "camera:" + to_string(row);
534 int angle_degrees = pts_delta;
535 if (last_mousewheel_camera_row == row) {
536 angle_degrees += leftover_angle_degrees;
539 int stream_idx = clip->stream_idx + angle_degrees / camera_pts_per_pixel;
540 stream_idx = std::max(stream_idx, 0);
541 stream_idx = std::min<int>(stream_idx, num_cameras - 1);
542 clip->stream_idx = stream_idx;
544 last_mousewheel_camera_row = row;
545 leftover_angle_degrees = angle_degrees % camera_pts_per_pixel;
547 // Don't update the live view, that's rarely what the operator wants.
550 currently_deferring_model_changes = false;
553 void MainWindow::defer_timer_expired()
555 state_changed(deferred_state);
558 void MainWindow::content_changed()
560 // If we are playing, update the part of the playlist that's not playing yet.
561 vector<ClipWithID> clips;
562 for (unsigned row = 0; row < playlist_clips->size(); ++row) {
563 clips.emplace_back(*playlist_clips->clip_with_id(row));
565 live_player->splice_play(clips);
567 // Serialize the state.
568 if (defer_timeout->isActive() &&
569 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
570 // There's some deferred event waiting, but this event is unrelated.
571 // So it's time to short-circuit that timer and do the work it wanted to do.
572 defer_timeout->stop();
573 state_changed(deferred_state);
576 *state.mutable_clip_list() = cliplist_clips->serialize();
577 *state.mutable_play_list() = playlist_clips->serialize();
578 if (currently_deferring_model_changes) {
579 deferred_change_id = current_change_id;
580 deferred_state = std::move(state);
581 defer_timeout->start(200);
584 state_changed(state);
587 void MainWindow::state_changed(const StateProto &state)
589 db.store_state(state);
592 ui->redo_action->setEnabled(false);
594 undo_stack.push_back(state);
595 ui->undo_action->setEnabled(undo_stack.size() > 1);
597 // Make sure it doesn't grow without bounds.
598 while (undo_stack.size() >= 100) {
599 undo_stack.pop_front();
603 void MainWindow::save_settings()
605 SettingsProto settings;
606 settings.set_interpolation_quality(global_flags.interpolation_quality + 1);
607 settings.set_cue_point_padding_seconds(global_flags.cue_point_padding_seconds);
608 db.store_settings(settings);
611 void MainWindow::lock_blink_timer_expired()
613 midi_mapper.set_locked(MIDIMapper::LightState(ui->speed_lock_btn->isChecked())); // Presumably On, or the timer should have been canceled.
616 void MainWindow::play_clicked()
618 QItemSelectionModel *selected = ui->playlist->selectionModel();
619 if (!selected->hasSelection()) {
622 unsigned start_row = selected->selectedRows(0)[0].row();
624 vector<ClipWithID> clips;
625 for (unsigned row = start_row; row < playlist_clips->size(); ++row) {
626 clips.emplace_back(*playlist_clips->clip_with_id(row));
628 live_player->play(clips);
629 playlist_clips->set_progress({ { start_row, 0.0f } });
630 ui->playlist->selectionModel()->clear();
631 ui->stop_btn->setEnabled(true);
632 playlist_selection_changed();
635 void MainWindow::stop_clicked()
638 fake_clip.pts_in = 0;
639 fake_clip.pts_out = 0;
640 playlist_clips->set_progress({});
641 live_player->play(fake_clip);
642 ui->stop_btn->setEnabled(false);
643 playlist_selection_changed();
646 void MainWindow::speed_slider_changed(int percent)
648 float speed = percent / 100.0f;
649 ui->speed_lock_btn->setText(QString::fromStdString(" " + to_string(percent) + "%"));
650 live_player->set_master_speed(speed);
651 midi_mapper.set_speed_light(speed);
654 void MainWindow::speed_lock_clicked()
656 // TODO: Make for a less abrupt transition if we're not already at 100%.
657 ui->speed_slider->setValue(100); // Also actually sets the master speed and updates the label.
658 ui->speed_slider->setEnabled(!ui->speed_lock_btn->isChecked());
659 midi_mapper.set_locked(MIDIMapper::LightState(ui->speed_lock_btn->isChecked()));
660 lock_blink_timeout->stop();
663 void MainWindow::preview_player_done()
665 preview_playing = false;
666 enable_or_disable_preview_button();
669 void MainWindow::live_player_done()
671 playlist_clips->set_progress({});
672 ui->stop_btn->setEnabled(false);
673 playlist_selection_changed();
676 void MainWindow::live_player_clip_progress(const map<uint64_t, double> &progress, double time_remaining)
678 playlist_clips->set_progress(progress);
679 set_output_status(format_duration(time_remaining) + " left");
682 void MainWindow::resizeEvent(QResizeEvent *event)
684 QMainWindow::resizeEvent(event);
686 // Ask for a relayout, but only after the event loop is done doing relayout
687 // on everything else.
688 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
691 void MainWindow::relayout()
693 ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
694 ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
697 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
699 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
700 int scrub_sensitivity = 100; // pts units per pixel.
701 int wheel_sensitivity = 100; // pts units per degree.
703 if (event->type() == QEvent::FocusIn || event->type() == QEvent::FocusOut) {
704 enable_or_disable_preview_button();
705 hidden_jog_column = -1;
708 unsigned stream_idx = ui->preview_display->get_stream_idx();
710 if (watched == ui->clip_list) {
711 if (event->type() == QEvent::FocusOut) {
712 highlight_camera_input(-1);
717 if (event->type() != QEvent::Wheel) {
718 last_mousewheel_camera_row = -1;
721 if (event->type() == QEvent::MouseButtonPress) {
722 QMouseEvent *mouse = (QMouseEvent *)event;
724 QTableView *destination;
727 if (watched == ui->clip_list->viewport()) {
728 destination = ui->clip_list;
729 type = SCRUBBING_CLIP_LIST;
730 } else if (watched == ui->playlist->viewport()) {
731 destination = ui->playlist;
732 type = SCRUBBING_PLAYLIST;
736 int column = destination->columnAt(mouse->x());
737 int row = destination->rowAt(mouse->y());
738 if (column == -1 || row == -1)
741 if (type == SCRUBBING_CLIP_LIST) {
742 if (ClipList::Column(column) == ClipList::Column::IN) {
743 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
744 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
745 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
746 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
747 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
752 if (PlayList::Column(column) == PlayList::Column::IN) {
753 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
754 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
755 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
756 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
757 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
765 scrub_column = column;
766 scrub_x_origin = mouse->x();
768 } else if (event->type() == QEvent::MouseMove) {
769 QMouseEvent *mouse = (QMouseEvent *)event;
770 if (mouse->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
771 scrub_sensitivity *= 10;
772 wheel_sensitivity *= 10;
774 if (mouse->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
775 scrub_sensitivity /= 10;
776 wheel_sensitivity /= 10;
779 int offset = mouse->x() - scrub_x_origin;
781 if (offset >= dead_zone_pixels) {
782 adjusted_offset = offset - dead_zone_pixels;
783 } else if (offset < -dead_zone_pixels) {
784 adjusted_offset = offset + dead_zone_pixels;
789 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
790 currently_deferring_model_changes = true;
791 if (scrub_type == SCRUBBING_CLIP_LIST) {
792 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
793 if (scrub_column == int(ClipList::Column::IN)) {
794 current_change_id = "cliplist:in:" + to_string(scrub_row);
795 set_pts_in(pts, current_pts, clip);
796 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
798 current_change_id = "cliplist:out" + to_string(scrub_row);
799 pts = std::max(pts, clip->pts_in);
800 pts = std::min(pts, current_pts);
802 preview_single_frame(pts, stream_idx, LAST_BEFORE);
805 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
806 if (scrub_column == int(PlayList::Column::IN)) {
807 current_change_id = "playlist:in:" + to_string(scrub_row);
808 set_pts_in(pts, current_pts, clip);
809 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
811 current_change_id = "playlist:out:" + to_string(scrub_row);
812 pts = std::max(pts, clip->pts_in);
813 pts = std::min(pts, current_pts);
815 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
818 currently_deferring_model_changes = false;
820 return true; // Don't use this mouse movement for selecting things.
822 } else if (event->type() == QEvent::Wheel) {
823 QWheelEvent *wheel = (QWheelEvent *)event;
824 int angle_delta = wheel->angleDelta().y();
825 if (wheel->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
826 scrub_sensitivity *= 10;
827 wheel_sensitivity *= 10;
829 if (wheel->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
830 scrub_sensitivity /= 10;
831 wheel_sensitivity /= 10;
832 angle_delta = wheel->angleDelta().x(); // Qt ickiness.
835 QTableView *destination;
836 JogDestination jog_destination;
837 if (watched == ui->clip_list->viewport()) {
838 destination = ui->clip_list;
839 jog_destination = JOG_CLIP_LIST;
840 last_mousewheel_camera_row = -1;
841 } else if (watched == ui->playlist->viewport()) {
842 destination = ui->playlist;
843 jog_destination = JOG_PLAYLIST;
844 if (destination->columnAt(wheel->x()) != int(PlayList::Column::CAMERA)) {
845 last_mousewheel_camera_row = -1;
848 last_mousewheel_camera_row = -1;
852 int column = destination->columnAt(wheel->x());
853 int row = destination->rowAt(wheel->y());
854 if (column == -1 || row == -1)
857 // Only adjust pts with the wheel if the given row is selected.
858 if (!destination->hasFocus() ||
859 row != destination->selectionModel()->currentIndex().row()) {
863 jog_internal(jog_destination, row, column, stream_idx, angle_delta * wheel_sensitivity);
864 return true; // Don't scroll.
865 } else if (event->type() == QEvent::MouseButtonRelease) {
871 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
873 if (rounding == LAST_BEFORE) {
874 lock_guard<mutex> lock(frame_mu);
875 if (frames[stream_idx].empty())
877 auto it = find_last_frame_before(frames[stream_idx], pts);
878 if (it != frames[stream_idx].end()) {
882 assert(rounding == FIRST_AT_OR_AFTER);
883 lock_guard<mutex> lock(frame_mu);
884 if (frames[stream_idx].empty())
886 auto it = find_first_frame_at_or_after(frames[stream_idx], pts);
887 if (it != frames[stream_idx].end()) {
893 fake_clip.pts_in = pts;
894 fake_clip.pts_out = pts + 1;
895 fake_clip.stream_idx = stream_idx;
896 preview_player->play(fake_clip);
899 void MainWindow::playlist_selection_changed()
901 enable_or_disable_preview_button();
903 QItemSelectionModel *selected = ui->playlist->selectionModel();
904 bool any_selected = selected->hasSelection();
905 ui->playlist_duplicate_btn->setEnabled(any_selected);
906 ui->playlist_remove_btn->setEnabled(any_selected);
907 ui->playlist_move_up_btn->setEnabled(
908 any_selected && selected->selectedRows().front().row() > 0);
909 ui->playlist_move_down_btn->setEnabled(
910 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
912 ui->play_btn->setEnabled(any_selected);
913 if (ui->stop_btn->isEnabled()) { // Playing.
914 midi_mapper.set_play_enabled(MIDIMapper::On);
915 } else if (any_selected) {
916 midi_mapper.set_play_enabled(MIDIMapper::Blinking);
918 midi_mapper.set_play_enabled(MIDIMapper::Off);
922 set_output_status("paused");
924 vector<ClipWithID> clips;
925 for (size_t row = selected->selectedRows().front().row(); row < playlist_clips->size(); ++row) {
926 clips.emplace_back(*playlist_clips->clip_with_id(row));
928 double remaining = compute_total_time(clips);
929 set_output_status(format_duration(remaining) + " ready");
933 void MainWindow::clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &previous)
935 int camera_selected = -1;
936 if (cliplist_clips->is_camera_column(current.column())) {
937 camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
939 // See the comment on hidden_jog_column.
940 if (current.row() != previous.row()) {
941 hidden_jog_column = -1;
942 } else if (hidden_jog_column == -1) {
943 hidden_jog_column = previous.column();
946 hidden_jog_column = -1;
948 highlight_camera_input(camera_selected);
949 enable_or_disable_queue_button();
952 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
955 if (estimated_seconds_left < 60.0) {
956 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
957 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
958 int s = lrintf(estimated_seconds_left);
961 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
962 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
963 int m = lrintf(estimated_seconds_left / 60.0);
964 snprintf(time_str, sizeof(time_str), "%dm", m);
965 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
966 int m = lrintf(estimated_seconds_left / 60.0);
969 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
970 } else { // More than ten hours: Xh.
971 int h = lrintf(estimated_seconds_left / 3600.0);
972 snprintf(time_str, sizeof(time_str), "%dh", h);
975 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
977 std::string label = buf;
979 post_to_main_thread([this, label] {
980 disk_free_label->setText(QString::fromStdString(label));
981 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
985 void MainWindow::exit_triggered()
990 void MainWindow::export_cliplist_clip_multitrack_triggered()
992 QItemSelectionModel *selected = ui->clip_list->selectionModel();
993 if (!selected->hasSelection()) {
995 msgbox.setText("No clip selected in the clip list. Select one and try exporting again.");
1000 QModelIndex index = selected->currentIndex();
1001 Clip clip = *cliplist_clips->clip(index.row());
1002 QString filename = QFileDialog::getSaveFileName(this,
1003 "Export multitrack clip", QString(), tr("Matroska video files (*.mkv)"));
1004 if (filename.isNull()) {
1008 if (!filename.endsWith(".mkv")) {
1011 export_multitrack_clip(filename.toStdString(), clip);
1014 void MainWindow::export_playlist_clip_interpolated_triggered()
1016 QItemSelectionModel *selected = ui->playlist->selectionModel();
1017 if (!selected->hasSelection()) {
1019 msgbox.setText("No clip selected in the playlist. Select one and try exporting again.");
1024 QString filename = QFileDialog::getSaveFileName(this,
1025 "Export interpolated clip", QString(), tr("Matroska video files (*.mkv)"));
1026 if (filename.isNull()) {
1030 if (!filename.endsWith(".mkv")) {
1035 QModelIndexList rows = selected->selectedRows();
1036 for (QModelIndex index : rows) {
1037 clips.push_back(*playlist_clips->clip(index.row()));
1039 export_interpolated_clip(filename.toStdString(), clips);
1042 void MainWindow::manual_triggered()
1044 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
1046 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
1051 void MainWindow::about_triggered()
1053 AboutDialog("Futatabi", "Multicamera slow motion video server").exec();
1056 void MainWindow::undo_triggered()
1058 // Finish any deferred action.
1059 if (defer_timeout->isActive()) {
1060 defer_timeout->stop();
1061 state_changed(deferred_state);
1064 StateProto redo_state;
1065 *redo_state.mutable_clip_list() = cliplist_clips->serialize();
1066 *redo_state.mutable_play_list() = playlist_clips->serialize();
1067 redo_stack.push_back(std::move(redo_state));
1068 ui->redo_action->setEnabled(true);
1070 assert(undo_stack.size() > 1);
1072 // Pop off the current state, which is always at the top of the stack.
1073 undo_stack.pop_back();
1075 StateProto state = undo_stack.back();
1076 ui->undo_action->setEnabled(undo_stack.size() > 1);
1078 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
1079 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
1081 db.store_state(state);
1084 void MainWindow::redo_triggered()
1086 assert(!redo_stack.empty());
1088 ui->undo_action->setEnabled(true);
1089 ui->redo_action->setEnabled(true);
1091 undo_stack.push_back(std::move(redo_stack.back()));
1092 redo_stack.pop_back();
1093 ui->undo_action->setEnabled(true);
1094 ui->redo_action->setEnabled(!redo_stack.empty());
1096 const StateProto &state = undo_stack.back();
1097 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
1098 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
1100 db.store_state(state);
1103 void MainWindow::quality_toggled(int quality, bool checked)
1108 global_flags.interpolation_quality = quality;
1109 if (quality != 0 && // Turning interpolation off is always possible.
1110 quality != flow_initialized_interpolation_quality) {
1112 msgbox.setText(QString::fromStdString(
1113 "The interpolation quality for the main output cannot be changed at runtime, "
1114 "except being turned completely off; it will take effect for exported files "
1115 "only until next restart. The live output quality thus remains at " +
1116 to_string(flow_initialized_interpolation_quality) + "."));
1123 void MainWindow::padding_toggled(double seconds, bool checked)
1128 global_flags.cue_point_padding_seconds = seconds;
1132 void MainWindow::highlight_camera_input(int stream_idx)
1134 for (unsigned i = 0; i < num_cameras; ++i) {
1135 if (unsigned(stream_idx) == i) {
1136 displays[i].frame->setStyleSheet("background: rgb(0,255,0)");
1138 displays[i].frame->setStyleSheet("");
1141 midi_mapper.highlight_camera_input(stream_idx);
1144 void MainWindow::enable_or_disable_preview_button()
1146 // Follows the logic in preview_clicked().
1148 if (ui->playlist->hasFocus()) {
1149 // Allow the playlist as preview iff it has focus and something is selected.
1150 // TODO: Is this part really relevant?
1151 QItemSelectionModel *selected = ui->playlist->selectionModel();
1152 if (selected->hasSelection()) {
1153 ui->preview_btn->setEnabled(true);
1154 midi_mapper.set_preview_enabled(preview_playing ? MIDIMapper::On : MIDIMapper::Blinking);
1159 // TODO: Perhaps only enable this if something is actually selected.
1160 ui->preview_btn->setEnabled(!cliplist_clips->empty());
1161 if (preview_playing) {
1162 midi_mapper.set_preview_enabled(MIDIMapper::On);
1164 midi_mapper.set_preview_enabled(cliplist_clips->empty() ? MIDIMapper::Off : MIDIMapper::Blinking);
1168 void MainWindow::enable_or_disable_queue_button()
1170 // Follows the logic in queue_clicked().
1171 // TODO: Perhaps only enable this if something is actually selected.
1175 if (cliplist_clips->empty()) {
1178 QItemSelectionModel *selected = ui->clip_list->selectionModel();
1179 if (!selected->hasSelection()) {
1180 Clip clip = *cliplist_clips->back();
1181 enabled = clip.pts_out != -1;
1183 QModelIndex index = selected->currentIndex();
1184 Clip clip = *cliplist_clips->clip(index.row());
1185 enabled = clip.pts_out != -1;
1189 ui->queue_btn->setEnabled(enabled);
1190 midi_mapper.set_queue_enabled(enabled);
1193 void MainWindow::set_output_status(const string &status)
1195 ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
1196 if (live_player != nullptr) {
1197 live_player->set_pause_status(status);
1200 lock_guard<mutex> lock(queue_status_mu);
1201 queue_status = status;
1204 pair<string, string> MainWindow::get_queue_status() const
1206 lock_guard<mutex> lock(queue_status_mu);
1207 return { queue_status, "text/plain" };
1210 void MainWindow::display_frame(unsigned stream_idx, const FrameOnDisk &frame)
1212 if (stream_idx >= MAX_STREAMS) {
1213 fprintf(stderr, "WARNING: Ignoring too-high stream index %u.\n", stream_idx);
1216 if (stream_idx >= num_cameras) {
1217 post_to_main_thread_and_wait([this, stream_idx] {
1218 num_cameras = stream_idx + 1;
1219 change_num_cameras();
1222 displays[stream_idx].display->setFrame(stream_idx, frame);
1225 void MainWindow::preview()
1227 post_to_main_thread([this] {
1232 void MainWindow::queue()
1234 post_to_main_thread([this] {
1239 void MainWindow::play()
1241 post_to_main_thread([this] {
1246 void MainWindow::toggle_lock()
1248 post_to_main_thread([this] {
1249 ui->speed_lock_btn->setChecked(!ui->speed_lock_btn->isChecked());
1250 speed_lock_clicked();
1254 void MainWindow::jog(int delta)
1256 post_to_main_thread([this, delta] {
1257 int64_t pts_delta = delta * (TIMEBASE / 60); // One click = frame at 60 fps.
1258 if (ui->playlist->hasFocus()) {
1259 QModelIndex selected = ui->playlist->selectionModel()->currentIndex();
1260 if (selected.column() != -1 && selected.row() != -1) {
1261 jog_internal(JOG_PLAYLIST, selected.row(), selected.column(), /*stream_idx=*/-1, pts_delta);
1263 } else if (ui->clip_list->hasFocus()) {
1264 QModelIndex selected = ui->clip_list->selectionModel()->currentIndex();
1265 if (cliplist_clips->is_camera_column(selected.column()) &&
1266 hidden_jog_column != -1) {
1267 // See the definition on hidden_jog_column.
1268 selected = selected.sibling(selected.row(), hidden_jog_column);
1269 ui->clip_list->selectionModel()->setCurrentIndex(selected, QItemSelectionModel::ClearAndSelect);
1270 hidden_jog_column = -1;
1272 if (selected.column() != -1 && selected.row() != -1) {
1273 jog_internal(JOG_CLIP_LIST, selected.row(), selected.column(), ui->preview_display->get_stream_idx(), pts_delta);
1279 void MainWindow::switch_camera(unsigned camera_idx)
1281 post_to_main_thread([this, camera_idx] {
1282 if (camera_idx < num_cameras) { // TODO: Also make this change a highlighted clip?
1283 preview_angle_clicked(camera_idx);
1288 void MainWindow::set_master_speed(float speed)
1290 speed = min(max(speed, 0.1f), 2.0f);
1292 post_to_main_thread([this, speed] {
1293 if (ui->speed_lock_btn->isChecked()) {
1294 midi_mapper.set_locked(MIDIMapper::Blinking);
1295 lock_blink_timeout->start(1000);
1299 int percent = lrintf(speed * 100.0f);
1300 ui->speed_slider->blockSignals(true);
1301 ui->speed_slider->setValue(percent);
1302 ui->speed_slider->blockSignals(false);
1303 ui->speed_lock_btn->setText(QString::fromStdString(" " + to_string(percent) + "%"));
1305 live_player->set_master_speed(speed);
1306 midi_mapper.set_speed_light(speed);
1310 void MainWindow::cue_in()
1312 post_to_main_thread([this] { cue_in_clicked(); });
1315 void MainWindow::cue_out()
1317 post_to_main_thread([this] { cue_out_clicked(); });
1320 template<class Model>
1321 void MainWindow::replace_model(QTableView *view, Model **model, Model *new_model)
1323 QItemSelectionModel *old_selection_model = view->selectionModel();
1324 view->setModel(new_model);
1326 delete old_selection_model;
1328 connect(new_model, &Model::any_content_changed, this, &MainWindow::content_changed);
1331 void MainWindow::start_tally()
1333 http_reply = http.get(QNetworkRequest(QString::fromStdString(global_flags.tally_url)));
1334 connect(http_reply, &QNetworkReply::finished, this, &MainWindow::tally_received);
1337 void MainWindow::tally_received()
1339 unsigned time_to_next_tally_ms;
1340 if (http_reply->error()) {
1341 fprintf(stderr, "HTTP get of '%s' failed: %s\n", global_flags.tally_url.c_str(),
1342 http_reply->errorString().toStdString().c_str());
1343 ui->live_frame->setStyleSheet("");
1344 time_to_next_tally_ms = 1000;
1346 string contents = http_reply->readAll().toStdString();
1347 ui->live_frame->setStyleSheet(QString::fromStdString("background: " + contents));
1348 time_to_next_tally_ms = 100;
1350 http_reply->deleteLater();
1351 http_reply = nullptr;
1353 QTimer::singleShot(time_to_next_tally_ms, this, &MainWindow::start_tally);