1 #include "mainwindow.h"
6 #include "frame_on_disk.h"
8 #include "futatabi_midi_mapping.pb.h"
9 #include "midi_mapping_dialog.h"
10 #include "shared/aboutdialog.h"
11 #include "shared/disk_space_estimator.h"
12 #include "shared/post_to_main_thread.h"
13 #include "shared/timebase.h"
14 #include "ui_mainwindow.h"
16 #include <QDesktopServices>
17 #include <QFileDialog>
18 #include <QMessageBox>
19 #include <QMouseEvent>
20 #include <QNetworkReply>
23 #include <QWheelEvent>
30 using namespace std::placeholders;
32 MainWindow *global_mainwindow = nullptr;
33 static ClipList *cliplist_clips;
34 static PlayList *playlist_clips;
36 extern int64_t current_pts;
40 void set_pts_in(int64_t pts, int64_t current_pts, ClipProxy &clip)
42 pts = std::max<int64_t>(pts, 0);
43 if (clip->pts_out == -1) {
44 pts = std::min(pts, current_pts);
46 pts = std::min(pts, clip->pts_out);
53 MainWindow::MainWindow()
54 : ui(new Ui::MainWindow),
55 db(global_flags.working_directory + "/futatabi.db"),
58 global_mainwindow = this;
61 // Load settings from database.
62 SettingsProto settings = db.get_settings();
63 if (!global_flags.interpolation_quality_set) {
64 if (settings.interpolation_quality() != 0) {
65 global_flags.interpolation_quality = settings.interpolation_quality() - 1;
68 if (!global_flags.cue_point_padding_set) {
69 global_flags.cue_point_padding_seconds = settings.cue_point_padding_seconds(); // Default 0 is fine.
71 if (global_flags.interpolation_quality == 0) {
72 // Allocate something just for simplicity; we won't be using it
73 // unless the user changes runtime, in which case 1 is fine.
74 flow_initialized_interpolation_quality = 1;
76 flow_initialized_interpolation_quality = global_flags.interpolation_quality;
81 connect(ui->midi_mapping_action, &QAction::triggered, this, &MainWindow::midi_mapping_triggered);
82 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
83 connect(ui->export_cliplist_clip_multitrack_action, &QAction::triggered, this, &MainWindow::export_cliplist_clip_multitrack_triggered);
84 connect(ui->export_playlist_clip_interpolated_action, &QAction::triggered, this, &MainWindow::export_playlist_clip_interpolated_triggered);
85 connect(ui->manual_action, &QAction::triggered, this, &MainWindow::manual_triggered);
86 connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
87 connect(ui->undo_action, &QAction::triggered, this, &MainWindow::undo_triggered);
88 connect(ui->redo_action, &QAction::triggered, this, &MainWindow::redo_triggered);
89 ui->undo_action->setEnabled(false);
90 ui->redo_action->setEnabled(false);
93 QActionGroup *quality_group = new QActionGroup(ui->interpolation_menu);
94 quality_group->addAction(ui->quality_0_action);
95 quality_group->addAction(ui->quality_1_action);
96 quality_group->addAction(ui->quality_2_action);
97 quality_group->addAction(ui->quality_3_action);
98 quality_group->addAction(ui->quality_4_action);
99 if (global_flags.interpolation_quality == 0) {
100 ui->quality_0_action->setChecked(true);
101 } else if (global_flags.interpolation_quality == 1) {
102 ui->quality_1_action->setChecked(true);
103 } else if (global_flags.interpolation_quality == 2) {
104 ui->quality_2_action->setChecked(true);
105 } else if (global_flags.interpolation_quality == 3) {
106 ui->quality_3_action->setChecked(true);
107 } else if (global_flags.interpolation_quality == 4) {
108 ui->quality_4_action->setChecked(true);
112 connect(ui->quality_0_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 0, _1));
113 connect(ui->quality_1_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 1, _1));
114 connect(ui->quality_2_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 2, _1));
115 connect(ui->quality_3_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 3, _1));
116 connect(ui->quality_4_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 4, _1));
118 // The cue point padding group.
119 QActionGroup *padding_group = new QActionGroup(ui->interpolation_menu);
120 padding_group->addAction(ui->padding_0_action);
121 padding_group->addAction(ui->padding_1_action);
122 padding_group->addAction(ui->padding_2_action);
123 padding_group->addAction(ui->padding_5_action);
124 if (global_flags.cue_point_padding_seconds <= 1e-3) {
125 ui->padding_0_action->setChecked(true);
126 } else if (fabs(global_flags.cue_point_padding_seconds - 1.0) < 1e-3) {
127 ui->padding_1_action->setChecked(true);
128 } else if (fabs(global_flags.cue_point_padding_seconds - 2.0) < 1e-3) {
129 ui->padding_2_action->setChecked(true);
130 } else if (fabs(global_flags.cue_point_padding_seconds - 5.0) < 1e-3) {
131 ui->padding_5_action->setChecked(true);
133 // Nothing to check, which is fine.
135 connect(ui->padding_0_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 0.0, _1));
136 connect(ui->padding_1_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 1.0, _1));
137 connect(ui->padding_2_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 2.0, _1));
138 connect(ui->padding_5_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 5.0, _1));
140 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
141 disk_free_label = new QLabel(this);
142 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
143 ui->menuBar->setCornerWidget(disk_free_label);
145 StateProto state = db.get_state();
146 undo_stack.push_back(state); // The undo stack always has the current state on top.
148 cliplist_clips = new ClipList(state.clip_list());
149 ui->clip_list->setModel(cliplist_clips);
150 connect(cliplist_clips, &ClipList::any_content_changed, this, &MainWindow::content_changed);
152 playlist_clips = new PlayList(state.play_list());
153 ui->playlist->setModel(playlist_clips);
154 connect(playlist_clips, &PlayList::any_content_changed, this, &MainWindow::content_changed);
156 // For un-highlighting when we lose focus.
157 ui->clip_list->installEventFilter(this);
159 // For scrubbing in the pts columns.
160 ui->clip_list->viewport()->installEventFilter(this);
161 ui->playlist->viewport()->installEventFilter(this);
163 QShortcut *cue_in = new QShortcut(QKeySequence(Qt::Key_A), this);
164 connect(cue_in, &QShortcut::activated, ui->cue_in_btn, &QPushButton::click);
165 connect(ui->cue_in_btn, &QPushButton::clicked, this, &MainWindow::cue_in_clicked);
167 QShortcut *cue_out = new QShortcut(QKeySequence(Qt::Key_S), this);
168 connect(cue_out, &QShortcut::activated, ui->cue_out_btn, &QPushButton::click);
169 connect(ui->cue_out_btn, &QPushButton::clicked, this, &MainWindow::cue_out_clicked);
171 QShortcut *queue = new QShortcut(QKeySequence(Qt::Key_Q), this);
172 connect(queue, &QShortcut::activated, ui->queue_btn, &QPushButton::click);
173 connect(ui->queue_btn, &QPushButton::clicked, this, &MainWindow::queue_clicked);
175 QShortcut *preview = new QShortcut(QKeySequence(Qt::Key_W), this);
176 connect(preview, &QShortcut::activated, ui->preview_btn, &QPushButton::click);
177 connect(ui->preview_btn, &QPushButton::clicked, this, &MainWindow::preview_clicked);
179 QShortcut *play = new QShortcut(QKeySequence(Qt::Key_Space), this);
180 connect(play, &QShortcut::activated, ui->play_btn, &QPushButton::click);
181 connect(ui->play_btn, &QPushButton::clicked, this, &MainWindow::play_clicked);
183 connect(ui->stop_btn, &QPushButton::clicked, this, &MainWindow::stop_clicked);
184 ui->stop_btn->setEnabled(false);
186 connect(ui->speed_slider, &QAbstractSlider::valueChanged, this, &MainWindow::speed_slider_changed);
187 connect(ui->speed_lock_btn, &QPushButton::clicked, this, &MainWindow::speed_lock_clicked);
189 connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
191 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
192 QShortcut *delete_key = new QShortcut(QKeySequence(Qt::Key_Delete), ui->playlist);
193 connect(delete_key, &QShortcut::activated, [this] {
194 if (ui->playlist->hasFocus()) {
199 // TODO: support drag-and-drop.
200 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this] { playlist_move(-1); });
201 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this] { playlist_move(1); });
203 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
204 this, &MainWindow::playlist_selection_changed);
205 playlist_selection_changed(); // First time set-up.
207 preview_player.reset(new Player(ui->preview_display, Player::NO_STREAM_OUTPUT));
208 preview_player->set_done_callback([this] {
209 post_to_main_thread([this] {
210 preview_player_done();
214 live_player.reset(new Player(ui->live_display, Player::HTTPD_STREAM_OUTPUT));
215 live_player->set_done_callback([this] {
216 post_to_main_thread([this] {
220 live_player->set_progress_callback([this](const map<uint64_t, double> &progress, double time_remaining) {
221 post_to_main_thread([this, progress, time_remaining] {
222 live_player_clip_progress(progress, time_remaining);
225 set_output_status("paused");
226 enable_or_disable_queue_button();
228 defer_timeout = new QTimer(this);
229 defer_timeout->setSingleShot(true);
230 connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
231 ui->undo_action->setEnabled(true);
233 lock_blink_timeout = new QTimer(this);
234 lock_blink_timeout->setSingleShot(true);
235 connect(lock_blink_timeout, &QTimer::timeout, this, &MainWindow::lock_blink_timer_expired);
237 connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
238 this, &MainWindow::clip_list_selection_changed);
239 enable_or_disable_queue_button();
241 // Find out how many cameras we have in the existing frames;
242 // if none, we start with two cameras.
245 lock_guard<mutex> lock(frame_mu);
246 for (size_t stream_idx = 2; stream_idx < MAX_STREAMS; ++stream_idx) {
247 if (!frames[stream_idx].empty()) {
248 num_cameras = stream_idx + 1;
252 change_num_cameras();
254 if (!global_flags.tally_url.empty()) {
258 if (!global_flags.midi_mapping_filename.empty()) {
259 MIDIMappingProto midi_mapping;
260 if (!load_midi_mapping_from_file(global_flags.midi_mapping_filename, &midi_mapping)) {
261 fprintf(stderr, "Couldn't load MIDI mapping '%s'; exiting.\n",
262 global_flags.midi_mapping_filename.c_str());
265 midi_mapper.set_midi_mapping(midi_mapping);
267 midi_mapper.refresh_lights();
268 midi_mapper.start_thread();
271 void MainWindow::change_num_cameras()
273 assert(num_cameras >= displays.size()); // We only add, never remove.
275 // Make new display rows.
276 unsigned display_rows = (num_cameras + 1) / 2;
277 ui->video_displays->setStretch(1, display_rows);
278 for (unsigned i = displays.size(); i < num_cameras; ++i) {
279 QFrame *frame = new QFrame(this);
280 frame->setAutoFillBackground(true);
282 QLayout *layout = new QGridLayout(frame);
283 frame->setLayout(layout);
284 layout->setContentsMargins(3, 3, 3, 3);
286 JPEGFrameView *display = new JPEGFrameView(frame);
287 display->setAutoFillBackground(true);
288 layout->addWidget(display);
290 ui->input_displays->addWidget(frame, i / 2, i % 2);
291 display->set_overlay(to_string(i + 1));
293 QPushButton *preview_btn = new QPushButton(this);
294 preview_btn->setMaximumSize(20, 17);
295 preview_btn->setText(QString::fromStdString(to_string(i + 1)));
296 ui->preview_layout->addWidget(preview_btn);
298 displays.emplace_back(FrameAndDisplay{ frame, display, preview_btn });
300 connect(display, &JPEGFrameView::clicked, preview_btn, &QPushButton::click);
301 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
302 connect(shortcut, &QShortcut::activated, preview_btn, &QPushButton::click);
304 connect(preview_btn, &QPushButton::clicked, [this, i] { preview_angle_clicked(i); });
307 cliplist_clips->change_num_cameras(num_cameras);
308 playlist_clips->change_num_cameras(num_cameras);
310 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
313 MainWindow::~MainWindow()
315 // Empty so that we can forward-declare Player in the .h file.
318 void MainWindow::cue_in_clicked()
320 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
321 cliplist_clips->mutable_back()->pts_in = current_pts;
324 clip.pts_in = max<int64_t>(current_pts - lrint(global_flags.cue_point_padding_seconds * TIMEBASE), 0);
325 cliplist_clips->add_clip(clip);
326 playlist_selection_changed();
329 // Select the item so that we can jog it.
330 ui->clip_list->setFocus();
331 QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::IN));
332 ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
333 ui->clip_list->scrollToBottom();
334 enable_or_disable_queue_button();
337 void MainWindow::cue_out_clicked()
339 if (cliplist_clips->empty()) {
343 cliplist_clips->mutable_back()->pts_out = current_pts + lrint(global_flags.cue_point_padding_seconds * TIMEBASE);
345 // Select the item so that we can jog it.
346 ui->clip_list->setFocus();
347 QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::OUT));
348 ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
349 ui->clip_list->scrollToBottom();
350 enable_or_disable_queue_button();
353 void MainWindow::queue_clicked()
355 // See also enable_or_disable_queue_button().
357 if (cliplist_clips->empty()) {
361 QItemSelectionModel *selected = ui->clip_list->selectionModel();
362 if (!selected->hasSelection()) {
363 Clip clip = *cliplist_clips->back();
365 if (clip.pts_out != -1) {
366 playlist_clips->add_clip(clip);
367 playlist_selection_changed();
368 ui->playlist->scrollToBottom();
373 QModelIndex index = selected->currentIndex();
374 Clip clip = *cliplist_clips->clip(index.row());
375 if (cliplist_clips->is_camera_column(index.column())) {
376 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
378 clip.stream_idx = ui->preview_display->get_stream_idx();
381 if (clip.pts_out != -1) {
382 playlist_clips->add_clip(clip);
383 playlist_selection_changed();
384 ui->playlist->scrollToBottom();
385 if (!ui->playlist->selectionModel()->hasSelection()) {
386 // TODO: Figure out why this doesn't always seem to actually select the row.
387 QModelIndex bottom = playlist_clips->index(playlist_clips->size() - 1, 0);
388 ui->playlist->setCurrentIndex(bottom);
393 void MainWindow::preview_clicked()
395 // See also enable_or_disable_preview_button().
397 if (ui->playlist->hasFocus()) {
398 // Allow the playlist as preview iff it has focus and something is selected.
399 QItemSelectionModel *selected = ui->playlist->selectionModel();
400 if (selected->hasSelection()) {
401 QModelIndex index = selected->currentIndex();
402 const Clip &clip = *playlist_clips->clip(index.row());
403 preview_player->play(clip);
404 preview_playing = true;
405 enable_or_disable_preview_button();
410 if (cliplist_clips->empty())
413 QItemSelectionModel *selected = ui->clip_list->selectionModel();
414 if (!selected->hasSelection()) {
415 preview_player->play(*cliplist_clips->back());
416 preview_playing = true;
417 enable_or_disable_preview_button();
421 QModelIndex index = selected->currentIndex();
422 Clip clip = *cliplist_clips->clip(index.row());
423 if (cliplist_clips->is_camera_column(index.column())) {
424 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
426 clip.stream_idx = ui->preview_display->get_stream_idx();
428 preview_player->play(clip);
429 preview_playing = true;
430 enable_or_disable_preview_button();
433 void MainWindow::preview_angle_clicked(unsigned stream_idx)
435 preview_player->override_angle(stream_idx);
437 // Change the selection if we were previewing a clip from the clip list.
438 // (The only other thing we could be showing is a pts scrub, and if so,
439 // that would be selected.)
440 QItemSelectionModel *selected = ui->clip_list->selectionModel();
441 if (selected->hasSelection()) {
442 QModelIndex cell = selected->selectedIndexes()[0];
443 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
444 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
448 void MainWindow::playlist_duplicate()
450 QItemSelectionModel *selected = ui->playlist->selectionModel();
451 if (!selected->hasSelection()) {
452 // Should have been grayed out, but OK.
455 QModelIndexList rows = selected->selectedRows();
456 int first = rows.front().row(), last = rows.back().row();
457 playlist_clips->duplicate_clips(first, last);
458 playlist_selection_changed();
461 void MainWindow::playlist_remove()
463 QItemSelectionModel *selected = ui->playlist->selectionModel();
464 if (!selected->hasSelection()) {
465 // Should have been grayed out, but OK.
468 QModelIndexList rows = selected->selectedRows();
469 int first = rows.front().row(), last = rows.back().row();
470 playlist_clips->erase_clips(first, last);
472 // TODO: select the next one in the list?
474 playlist_selection_changed();
477 void MainWindow::playlist_move(int delta)
479 QItemSelectionModel *selected = ui->playlist->selectionModel();
480 if (!selected->hasSelection()) {
481 // Should have been grayed out, but OK.
485 QModelIndexList rows = selected->selectedRows();
486 int first = rows.front().row(), last = rows.back().row();
487 if ((delta == -1 && first == 0) ||
488 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
489 // Should have been grayed out, but OK.
493 playlist_clips->move_clips(first, last, delta);
494 playlist_selection_changed();
497 void MainWindow::jog_internal(JogDestination jog_destination, int row, int column, int stream_idx, int pts_delta)
499 constexpr int camera_pts_per_pixel = 1500; // One click of most mice (15 degrees), multiplied by the default wheel_sensitivity.
501 int in_column, out_column, camera_column;
502 if (jog_destination == JOG_CLIP_LIST) {
503 in_column = int(ClipList::Column::IN);
504 out_column = int(ClipList::Column::OUT);
506 } else if (jog_destination == JOG_PLAYLIST) {
507 in_column = int(PlayList::Column::IN);
508 out_column = int(PlayList::Column::OUT);
509 camera_column = int(PlayList::Column::CAMERA);
514 currently_deferring_model_changes = true;
516 current_change_id = (jog_destination == JOG_CLIP_LIST) ? "cliplist:" : "playlist:";
517 ClipProxy clip = (jog_destination == JOG_CLIP_LIST) ? cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
518 if (jog_destination == JOG_PLAYLIST) {
519 stream_idx = clip->stream_idx;
522 if (column == in_column) {
523 current_change_id += "in:" + to_string(row);
524 int64_t pts = clip->pts_in + pts_delta;
525 set_pts_in(pts, current_pts, clip);
526 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
527 } else if (column == out_column) {
528 current_change_id += "out:" + to_string(row);
529 int64_t pts = clip->pts_out + pts_delta;
530 pts = std::max(pts, clip->pts_in);
531 pts = std::min(pts, current_pts);
533 preview_single_frame(pts, stream_idx, LAST_BEFORE);
534 } else if (column == camera_column) {
535 current_change_id += "camera:" + to_string(row);
536 int angle_degrees = pts_delta;
537 if (last_mousewheel_camera_row == row) {
538 angle_degrees += leftover_angle_degrees;
541 int stream_idx = clip->stream_idx + angle_degrees / camera_pts_per_pixel;
542 stream_idx = std::max(stream_idx, 0);
543 stream_idx = std::min<int>(stream_idx, num_cameras - 1);
544 clip->stream_idx = stream_idx;
546 last_mousewheel_camera_row = row;
547 leftover_angle_degrees = angle_degrees % camera_pts_per_pixel;
549 // Don't update the live view, that's rarely what the operator wants.
552 currently_deferring_model_changes = false;
555 void MainWindow::defer_timer_expired()
557 state_changed(deferred_state);
560 void MainWindow::content_changed()
562 // If we are playing, update the part of the playlist that's not playing yet.
563 vector<ClipWithID> clips;
564 for (unsigned row = 0; row < playlist_clips->size(); ++row) {
565 clips.emplace_back(*playlist_clips->clip_with_id(row));
567 live_player->splice_play(clips);
569 // Serialize the state.
570 if (defer_timeout->isActive() &&
571 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
572 // There's some deferred event waiting, but this event is unrelated.
573 // So it's time to short-circuit that timer and do the work it wanted to do.
574 defer_timeout->stop();
575 state_changed(deferred_state);
578 *state.mutable_clip_list() = cliplist_clips->serialize();
579 *state.mutable_play_list() = playlist_clips->serialize();
580 if (currently_deferring_model_changes) {
581 deferred_change_id = current_change_id;
582 deferred_state = std::move(state);
583 defer_timeout->start(200);
586 state_changed(state);
589 void MainWindow::state_changed(const StateProto &state)
591 db.store_state(state);
594 ui->redo_action->setEnabled(false);
596 undo_stack.push_back(state);
597 ui->undo_action->setEnabled(undo_stack.size() > 1);
599 // Make sure it doesn't grow without bounds.
600 while (undo_stack.size() >= 100) {
601 undo_stack.pop_front();
605 void MainWindow::save_settings()
607 SettingsProto settings;
608 settings.set_interpolation_quality(global_flags.interpolation_quality + 1);
609 settings.set_cue_point_padding_seconds(global_flags.cue_point_padding_seconds);
610 db.store_settings(settings);
613 void MainWindow::lock_blink_timer_expired()
615 midi_mapper.set_locked(MIDIMapper::LightState(ui->speed_lock_btn->isChecked())); // Presumably On, or the timer should have been canceled.
618 void MainWindow::play_clicked()
620 QItemSelectionModel *selected = ui->playlist->selectionModel();
621 if (!selected->hasSelection()) {
624 unsigned start_row = selected->selectedRows(0)[0].row();
626 vector<ClipWithID> clips;
627 for (unsigned row = start_row; row < playlist_clips->size(); ++row) {
628 clips.emplace_back(*playlist_clips->clip_with_id(row));
630 live_player->play(clips);
631 playlist_clips->set_progress({ { start_row, 0.0f } });
632 ui->playlist->selectionModel()->clear();
633 ui->stop_btn->setEnabled(true);
634 playlist_selection_changed();
637 void MainWindow::stop_clicked()
640 fake_clip.pts_in = 0;
641 fake_clip.pts_out = 0;
642 playlist_clips->set_progress({});
643 live_player->play(fake_clip);
644 ui->stop_btn->setEnabled(false);
645 playlist_selection_changed();
648 void MainWindow::speed_slider_changed(int percent)
650 float speed = percent / 100.0f;
651 ui->speed_lock_btn->setText(QString::fromStdString(" " + to_string(percent) + "%"));
652 live_player->set_master_speed(speed);
653 midi_mapper.set_speed_light(speed);
656 void MainWindow::speed_lock_clicked()
658 // TODO: Make for a less abrupt transition if we're not already at 100%.
659 ui->speed_slider->setValue(100); // Also actually sets the master speed and updates the label.
660 ui->speed_slider->setEnabled(!ui->speed_lock_btn->isChecked());
661 midi_mapper.set_locked(MIDIMapper::LightState(ui->speed_lock_btn->isChecked()));
662 lock_blink_timeout->stop();
665 void MainWindow::preview_player_done()
667 preview_playing = false;
668 enable_or_disable_preview_button();
671 void MainWindow::live_player_done()
673 playlist_clips->set_progress({});
674 ui->stop_btn->setEnabled(false);
675 playlist_selection_changed();
678 void MainWindow::live_player_clip_progress(const map<uint64_t, double> &progress, double time_remaining)
680 playlist_clips->set_progress(progress);
681 set_output_status(format_duration(time_remaining) + " left");
684 void MainWindow::resizeEvent(QResizeEvent *event)
686 QMainWindow::resizeEvent(event);
688 // Ask for a relayout, but only after the event loop is done doing relayout
689 // on everything else.
690 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
693 void MainWindow::relayout()
695 ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
696 ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
699 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
701 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
702 int scrub_sensitivity = 100; // pts units per pixel.
703 int wheel_sensitivity = 100; // pts units per degree.
705 if (event->type() == QEvent::FocusIn || event->type() == QEvent::FocusOut) {
706 enable_or_disable_preview_button();
707 hidden_jog_column = -1;
710 unsigned stream_idx = ui->preview_display->get_stream_idx();
712 if (watched == ui->clip_list) {
713 if (event->type() == QEvent::FocusOut) {
714 highlight_camera_input(-1);
719 if (event->type() != QEvent::Wheel) {
720 last_mousewheel_camera_row = -1;
723 if (event->type() == QEvent::MouseButtonPress) {
724 QMouseEvent *mouse = (QMouseEvent *)event;
726 QTableView *destination;
729 if (watched == ui->clip_list->viewport()) {
730 destination = ui->clip_list;
731 type = SCRUBBING_CLIP_LIST;
732 } else if (watched == ui->playlist->viewport()) {
733 destination = ui->playlist;
734 type = SCRUBBING_PLAYLIST;
738 int column = destination->columnAt(mouse->x());
739 int row = destination->rowAt(mouse->y());
740 if (column == -1 || row == -1)
743 if (type == SCRUBBING_CLIP_LIST) {
744 if (ClipList::Column(column) == ClipList::Column::IN) {
745 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
746 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
747 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
748 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
749 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
754 if (PlayList::Column(column) == PlayList::Column::IN) {
755 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
756 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
757 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
758 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
759 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
767 scrub_column = column;
768 scrub_x_origin = mouse->x();
770 } else if (event->type() == QEvent::MouseMove) {
771 QMouseEvent *mouse = (QMouseEvent *)event;
772 if (mouse->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
773 scrub_sensitivity *= 10;
774 wheel_sensitivity *= 10;
776 if (mouse->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
777 scrub_sensitivity /= 10;
778 wheel_sensitivity /= 10;
781 int offset = mouse->x() - scrub_x_origin;
783 if (offset >= dead_zone_pixels) {
784 adjusted_offset = offset - dead_zone_pixels;
785 } else if (offset < -dead_zone_pixels) {
786 adjusted_offset = offset + dead_zone_pixels;
791 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
792 currently_deferring_model_changes = true;
793 if (scrub_type == SCRUBBING_CLIP_LIST) {
794 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
795 if (scrub_column == int(ClipList::Column::IN)) {
796 current_change_id = "cliplist:in:" + to_string(scrub_row);
797 set_pts_in(pts, current_pts, clip);
798 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
800 current_change_id = "cliplist:out" + to_string(scrub_row);
801 pts = std::max(pts, clip->pts_in);
802 pts = std::min(pts, current_pts);
804 preview_single_frame(pts, stream_idx, LAST_BEFORE);
807 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
808 if (scrub_column == int(PlayList::Column::IN)) {
809 current_change_id = "playlist:in:" + to_string(scrub_row);
810 set_pts_in(pts, current_pts, clip);
811 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
813 current_change_id = "playlist:out:" + to_string(scrub_row);
814 pts = std::max(pts, clip->pts_in);
815 pts = std::min(pts, current_pts);
817 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
820 currently_deferring_model_changes = false;
822 return true; // Don't use this mouse movement for selecting things.
824 } else if (event->type() == QEvent::Wheel) {
825 QWheelEvent *wheel = (QWheelEvent *)event;
826 int angle_delta = wheel->angleDelta().y();
827 if (wheel->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
828 scrub_sensitivity *= 10;
829 wheel_sensitivity *= 10;
831 if (wheel->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
832 scrub_sensitivity /= 10;
833 wheel_sensitivity /= 10;
834 angle_delta = wheel->angleDelta().x(); // Qt ickiness.
837 QTableView *destination;
838 JogDestination jog_destination;
839 if (watched == ui->clip_list->viewport()) {
840 destination = ui->clip_list;
841 jog_destination = JOG_CLIP_LIST;
842 last_mousewheel_camera_row = -1;
843 } else if (watched == ui->playlist->viewport()) {
844 destination = ui->playlist;
845 jog_destination = JOG_PLAYLIST;
846 if (destination->columnAt(wheel->x()) != int(PlayList::Column::CAMERA)) {
847 last_mousewheel_camera_row = -1;
850 last_mousewheel_camera_row = -1;
854 int column = destination->columnAt(wheel->x());
855 int row = destination->rowAt(wheel->y());
856 if (column == -1 || row == -1)
859 // Only adjust pts with the wheel if the given row is selected.
860 if (!destination->hasFocus() ||
861 row != destination->selectionModel()->currentIndex().row()) {
865 jog_internal(jog_destination, row, column, stream_idx, angle_delta * wheel_sensitivity);
866 return true; // Don't scroll.
867 } else if (event->type() == QEvent::MouseButtonRelease) {
873 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
875 if (rounding == LAST_BEFORE) {
876 lock_guard<mutex> lock(frame_mu);
877 if (frames[stream_idx].empty())
879 auto it = find_last_frame_before(frames[stream_idx], pts);
880 if (it != frames[stream_idx].end()) {
884 assert(rounding == FIRST_AT_OR_AFTER);
885 lock_guard<mutex> lock(frame_mu);
886 if (frames[stream_idx].empty())
888 auto it = find_first_frame_at_or_after(frames[stream_idx], pts);
889 if (it != frames[stream_idx].end()) {
895 fake_clip.pts_in = pts;
896 fake_clip.pts_out = pts + 1;
897 fake_clip.stream_idx = stream_idx;
898 preview_player->play(fake_clip);
901 void MainWindow::playlist_selection_changed()
903 enable_or_disable_preview_button();
905 QItemSelectionModel *selected = ui->playlist->selectionModel();
906 bool any_selected = selected->hasSelection();
907 ui->playlist_duplicate_btn->setEnabled(any_selected);
908 ui->playlist_remove_btn->setEnabled(any_selected);
909 ui->playlist_move_up_btn->setEnabled(
910 any_selected && selected->selectedRows().front().row() > 0);
911 ui->playlist_move_down_btn->setEnabled(
912 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
914 ui->play_btn->setEnabled(any_selected);
915 if (ui->stop_btn->isEnabled()) { // Playing.
916 midi_mapper.set_play_enabled(MIDIMapper::On);
917 } else if (any_selected) {
918 midi_mapper.set_play_enabled(MIDIMapper::Blinking);
920 midi_mapper.set_play_enabled(MIDIMapper::Off);
924 set_output_status("paused");
926 vector<ClipWithID> clips;
927 for (size_t row = selected->selectedRows().front().row(); row < playlist_clips->size(); ++row) {
928 clips.emplace_back(*playlist_clips->clip_with_id(row));
930 double remaining = compute_total_time(clips);
931 set_output_status(format_duration(remaining) + " ready");
935 void MainWindow::clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &previous)
937 int camera_selected = -1;
938 if (cliplist_clips->is_camera_column(current.column())) {
939 camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
941 // See the comment on hidden_jog_column.
942 if (current.row() != previous.row()) {
943 hidden_jog_column = -1;
944 } else if (hidden_jog_column == -1) {
945 hidden_jog_column = previous.column();
948 hidden_jog_column = -1;
950 highlight_camera_input(camera_selected);
951 enable_or_disable_queue_button();
954 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
957 if (estimated_seconds_left < 60.0) {
958 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
959 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
960 int s = lrintf(estimated_seconds_left);
963 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
964 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
965 int m = lrintf(estimated_seconds_left / 60.0);
966 snprintf(time_str, sizeof(time_str), "%dm", m);
967 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
968 int m = lrintf(estimated_seconds_left / 60.0);
971 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
972 } else { // More than ten hours: Xh.
973 int h = lrintf(estimated_seconds_left / 3600.0);
974 snprintf(time_str, sizeof(time_str), "%dh", h);
977 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
979 std::string label = buf;
981 post_to_main_thread([this, label] {
982 disk_free_label->setText(QString::fromStdString(label));
983 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
987 void MainWindow::midi_mapping_triggered()
989 MIDIMappingDialog(&midi_mapper).exec();
992 void MainWindow::exit_triggered()
997 void MainWindow::export_cliplist_clip_multitrack_triggered()
999 QItemSelectionModel *selected = ui->clip_list->selectionModel();
1000 if (!selected->hasSelection()) {
1002 msgbox.setText("No clip selected in the clip list. Select one and try exporting again.");
1007 QModelIndex index = selected->currentIndex();
1008 Clip clip = *cliplist_clips->clip(index.row());
1009 QString filename = QFileDialog::getSaveFileName(this,
1010 "Export multitrack clip", QString(), tr("Matroska video files (*.mkv)"));
1011 if (filename.isNull()) {
1015 if (!filename.endsWith(".mkv")) {
1018 export_multitrack_clip(filename.toStdString(), clip);
1021 void MainWindow::export_playlist_clip_interpolated_triggered()
1023 QItemSelectionModel *selected = ui->playlist->selectionModel();
1024 if (!selected->hasSelection()) {
1026 msgbox.setText("No clip selected in the playlist. Select one and try exporting again.");
1031 QString filename = QFileDialog::getSaveFileName(this,
1032 "Export interpolated clip", QString(), tr("Matroska video files (*.mkv)"));
1033 if (filename.isNull()) {
1037 if (!filename.endsWith(".mkv")) {
1042 QModelIndexList rows = selected->selectedRows();
1043 for (QModelIndex index : rows) {
1044 clips.push_back(*playlist_clips->clip(index.row()));
1046 export_interpolated_clip(filename.toStdString(), clips);
1049 void MainWindow::manual_triggered()
1051 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
1053 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
1058 void MainWindow::about_triggered()
1060 AboutDialog("Futatabi", "Multicamera slow motion video server").exec();
1063 void MainWindow::undo_triggered()
1065 // Finish any deferred action.
1066 if (defer_timeout->isActive()) {
1067 defer_timeout->stop();
1068 state_changed(deferred_state);
1071 StateProto redo_state;
1072 *redo_state.mutable_clip_list() = cliplist_clips->serialize();
1073 *redo_state.mutable_play_list() = playlist_clips->serialize();
1074 redo_stack.push_back(std::move(redo_state));
1075 ui->redo_action->setEnabled(true);
1077 assert(undo_stack.size() > 1);
1079 // Pop off the current state, which is always at the top of the stack.
1080 undo_stack.pop_back();
1082 StateProto state = undo_stack.back();
1083 ui->undo_action->setEnabled(undo_stack.size() > 1);
1085 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
1086 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
1088 db.store_state(state);
1091 void MainWindow::redo_triggered()
1093 assert(!redo_stack.empty());
1095 ui->undo_action->setEnabled(true);
1096 ui->redo_action->setEnabled(true);
1098 undo_stack.push_back(std::move(redo_stack.back()));
1099 redo_stack.pop_back();
1100 ui->undo_action->setEnabled(true);
1101 ui->redo_action->setEnabled(!redo_stack.empty());
1103 const StateProto &state = undo_stack.back();
1104 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
1105 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
1107 db.store_state(state);
1110 void MainWindow::quality_toggled(int quality, bool checked)
1115 global_flags.interpolation_quality = quality;
1116 if (quality != 0 && // Turning interpolation off is always possible.
1117 quality != flow_initialized_interpolation_quality) {
1119 msgbox.setText(QString::fromStdString(
1120 "The interpolation quality for the main output cannot be changed at runtime, "
1121 "except being turned completely off; it will take effect for exported files "
1122 "only until next restart. The live output quality thus remains at " +
1123 to_string(flow_initialized_interpolation_quality) + "."));
1130 void MainWindow::padding_toggled(double seconds, bool checked)
1135 global_flags.cue_point_padding_seconds = seconds;
1139 void MainWindow::highlight_camera_input(int stream_idx)
1141 for (unsigned i = 0; i < num_cameras; ++i) {
1142 if (unsigned(stream_idx) == i) {
1143 displays[i].frame->setStyleSheet("background: rgb(0,255,0)");
1145 displays[i].frame->setStyleSheet("");
1148 midi_mapper.highlight_camera_input(stream_idx);
1151 void MainWindow::enable_or_disable_preview_button()
1153 // Follows the logic in preview_clicked().
1155 if (ui->playlist->hasFocus()) {
1156 // Allow the playlist as preview iff it has focus and something is selected.
1157 // TODO: Is this part really relevant?
1158 QItemSelectionModel *selected = ui->playlist->selectionModel();
1159 if (selected->hasSelection()) {
1160 ui->preview_btn->setEnabled(true);
1161 midi_mapper.set_preview_enabled(preview_playing ? MIDIMapper::On : MIDIMapper::Blinking);
1166 // TODO: Perhaps only enable this if something is actually selected.
1167 ui->preview_btn->setEnabled(!cliplist_clips->empty());
1168 if (preview_playing) {
1169 midi_mapper.set_preview_enabled(MIDIMapper::On);
1171 midi_mapper.set_preview_enabled(cliplist_clips->empty() ? MIDIMapper::Off : MIDIMapper::Blinking);
1175 void MainWindow::enable_or_disable_queue_button()
1177 // Follows the logic in queue_clicked().
1178 // TODO: Perhaps only enable this if something is actually selected.
1182 if (cliplist_clips->empty()) {
1185 QItemSelectionModel *selected = ui->clip_list->selectionModel();
1186 if (!selected->hasSelection()) {
1187 Clip clip = *cliplist_clips->back();
1188 enabled = clip.pts_out != -1;
1190 QModelIndex index = selected->currentIndex();
1191 Clip clip = *cliplist_clips->clip(index.row());
1192 enabled = clip.pts_out != -1;
1196 ui->queue_btn->setEnabled(enabled);
1197 midi_mapper.set_queue_enabled(enabled);
1200 void MainWindow::set_output_status(const string &status)
1202 ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
1203 if (live_player != nullptr) {
1204 live_player->set_pause_status(status);
1207 lock_guard<mutex> lock(queue_status_mu);
1208 queue_status = status;
1211 pair<string, string> MainWindow::get_queue_status() const
1213 lock_guard<mutex> lock(queue_status_mu);
1214 return { queue_status, "text/plain" };
1217 void MainWindow::display_frame(unsigned stream_idx, const FrameOnDisk &frame)
1219 if (stream_idx >= MAX_STREAMS) {
1220 fprintf(stderr, "WARNING: Ignoring too-high stream index %u.\n", stream_idx);
1223 if (stream_idx >= num_cameras) {
1224 post_to_main_thread_and_wait([this, stream_idx] {
1225 num_cameras = stream_idx + 1;
1226 change_num_cameras();
1229 displays[stream_idx].display->setFrame(stream_idx, frame);
1232 void MainWindow::preview()
1234 post_to_main_thread([this] {
1239 void MainWindow::queue()
1241 post_to_main_thread([this] {
1246 void MainWindow::play()
1248 post_to_main_thread([this] {
1253 void MainWindow::toggle_lock()
1255 post_to_main_thread([this] {
1256 ui->speed_lock_btn->setChecked(!ui->speed_lock_btn->isChecked());
1257 speed_lock_clicked();
1261 void MainWindow::jog(int delta)
1263 post_to_main_thread([this, delta] {
1264 int64_t pts_delta = delta * (TIMEBASE / 60); // One click = frame at 60 fps.
1265 if (ui->playlist->hasFocus()) {
1266 QModelIndex selected = ui->playlist->selectionModel()->currentIndex();
1267 if (selected.column() != -1 && selected.row() != -1) {
1268 jog_internal(JOG_PLAYLIST, selected.row(), selected.column(), /*stream_idx=*/-1, pts_delta);
1270 } else if (ui->clip_list->hasFocus()) {
1271 QModelIndex selected = ui->clip_list->selectionModel()->currentIndex();
1272 if (cliplist_clips->is_camera_column(selected.column()) &&
1273 hidden_jog_column != -1) {
1274 // See the definition on hidden_jog_column.
1275 selected = selected.sibling(selected.row(), hidden_jog_column);
1276 ui->clip_list->selectionModel()->setCurrentIndex(selected, QItemSelectionModel::ClearAndSelect);
1277 hidden_jog_column = -1;
1279 if (selected.column() != -1 && selected.row() != -1) {
1280 jog_internal(JOG_CLIP_LIST, selected.row(), selected.column(), ui->preview_display->get_stream_idx(), pts_delta);
1286 void MainWindow::switch_camera(unsigned camera_idx)
1288 post_to_main_thread([this, camera_idx] {
1289 if (camera_idx < num_cameras) { // TODO: Also make this change a highlighted clip?
1290 preview_angle_clicked(camera_idx);
1295 void MainWindow::set_master_speed(float speed)
1297 speed = min(max(speed, 0.1f), 2.0f);
1299 post_to_main_thread([this, speed] {
1300 if (ui->speed_lock_btn->isChecked()) {
1301 midi_mapper.set_locked(MIDIMapper::Blinking);
1302 lock_blink_timeout->start(1000);
1306 int percent = lrintf(speed * 100.0f);
1307 ui->speed_slider->blockSignals(true);
1308 ui->speed_slider->setValue(percent);
1309 ui->speed_slider->blockSignals(false);
1310 ui->speed_lock_btn->setText(QString::fromStdString(" " + to_string(percent) + "%"));
1312 live_player->set_master_speed(speed);
1313 midi_mapper.set_speed_light(speed);
1317 void MainWindow::cue_in()
1319 post_to_main_thread([this] { cue_in_clicked(); });
1322 void MainWindow::cue_out()
1324 post_to_main_thread([this] { cue_out_clicked(); });
1327 template<class Model>
1328 void MainWindow::replace_model(QTableView *view, Model **model, Model *new_model)
1330 QItemSelectionModel *old_selection_model = view->selectionModel();
1331 view->setModel(new_model);
1333 delete old_selection_model;
1335 connect(new_model, &Model::any_content_changed, this, &MainWindow::content_changed);
1338 void MainWindow::start_tally()
1340 http_reply = http.get(QNetworkRequest(QString::fromStdString(global_flags.tally_url)));
1341 connect(http_reply, &QNetworkReply::finished, this, &MainWindow::tally_received);
1344 void MainWindow::tally_received()
1346 unsigned time_to_next_tally_ms;
1347 if (http_reply->error()) {
1348 fprintf(stderr, "HTTP get of '%s' failed: %s\n", global_flags.tally_url.c_str(),
1349 http_reply->errorString().toStdString().c_str());
1350 ui->live_frame->setStyleSheet("");
1351 time_to_next_tally_ms = 1000;
1353 string contents = http_reply->readAll().toStdString();
1354 ui->live_frame->setStyleSheet(QString::fromStdString("background: " + contents));
1355 time_to_next_tally_ms = 100;
1357 http_reply->deleteLater();
1358 http_reply = nullptr;
1360 QTimer::singleShot(time_to_next_tally_ms, this, &MainWindow::start_tally);