1 #include "mainwindow.h"
3 #include "shared/aboutdialog.h"
6 #include "shared/disk_space_estimator.h"
8 #include "frame_on_disk.h"
10 #include "shared/post_to_main_thread.h"
11 #include "shared/timebase.h"
12 #include "ui_mainwindow.h"
14 #include <QDesktopServices>
15 #include <QFileDialog>
16 #include <QMessageBox>
17 #include <QMouseEvent>
18 #include <QNetworkReply>
21 #include <QWheelEvent>
28 using namespace std::placeholders;
30 MainWindow *global_mainwindow = nullptr;
31 static ClipList *cliplist_clips;
32 static PlayList *playlist_clips;
34 extern int64_t current_pts;
36 MainWindow::MainWindow()
37 : ui(new Ui::MainWindow),
38 db(global_flags.working_directory + "/futatabi.db")
40 global_mainwindow = this;
43 // Load settings from database if needed.
44 if (!global_flags.interpolation_quality_set) {
45 SettingsProto settings = db.get_settings();
46 if (settings.interpolation_quality() != 0) {
47 global_flags.interpolation_quality = settings.interpolation_quality() - 1;
50 if (global_flags.interpolation_quality == 0) {
51 // Allocate something just for simplicity; we won't be using it
52 // unless the user changes runtime, in which case 1 is fine.
53 flow_initialized_interpolation_quality = 1;
55 flow_initialized_interpolation_quality = global_flags.interpolation_quality;
60 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
61 connect(ui->export_cliplist_clip_multitrack_action, &QAction::triggered, this, &MainWindow::export_cliplist_clip_multitrack_triggered);
62 connect(ui->export_playlist_clip_interpolated_action, &QAction::triggered, this, &MainWindow::export_playlist_clip_interpolated_triggered);
63 connect(ui->manual_action, &QAction::triggered, this, &MainWindow::manual_triggered);
64 connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
65 connect(ui->undo_action, &QAction::triggered, this, &MainWindow::undo_triggered);
66 connect(ui->redo_action, &QAction::triggered, this, &MainWindow::redo_triggered);
67 ui->undo_action->setEnabled(false);
68 ui->redo_action->setEnabled(false);
71 QActionGroup *quality_group = new QActionGroup(ui->interpolation_menu);
72 quality_group->addAction(ui->quality_0_action);
73 quality_group->addAction(ui->quality_1_action);
74 quality_group->addAction(ui->quality_2_action);
75 quality_group->addAction(ui->quality_3_action);
76 quality_group->addAction(ui->quality_4_action);
77 if (global_flags.interpolation_quality == 0) {
78 ui->quality_0_action->setChecked(true);
79 } else if (global_flags.interpolation_quality == 1) {
80 ui->quality_1_action->setChecked(true);
81 } else if (global_flags.interpolation_quality == 2) {
82 ui->quality_2_action->setChecked(true);
83 } else if (global_flags.interpolation_quality == 3) {
84 ui->quality_3_action->setChecked(true);
85 } else if (global_flags.interpolation_quality == 4) {
86 ui->quality_4_action->setChecked(true);
90 connect(ui->quality_0_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 0, _1));
91 connect(ui->quality_1_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 1, _1));
92 connect(ui->quality_2_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 2, _1));
93 connect(ui->quality_3_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 3, _1));
94 connect(ui->quality_4_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 4, _1));
96 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
97 disk_free_label = new QLabel(this);
98 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
99 ui->menuBar->setCornerWidget(disk_free_label);
101 StateProto state = db.get_state();
102 undo_stack.push_back(state); // The undo stack always has the current state on top.
104 cliplist_clips = new ClipList(state.clip_list());
105 ui->clip_list->setModel(cliplist_clips);
106 connect(cliplist_clips, &ClipList::any_content_changed, this, &MainWindow::content_changed);
108 playlist_clips = new PlayList(state.play_list());
109 ui->playlist->setModel(playlist_clips);
110 connect(playlist_clips, &PlayList::any_content_changed, this, &MainWindow::content_changed);
112 // For un-highlighting when we lose focus.
113 ui->clip_list->installEventFilter(this);
115 // For scrubbing in the pts columns.
116 ui->clip_list->viewport()->installEventFilter(this);
117 ui->playlist->viewport()->installEventFilter(this);
119 QShortcut *cue_in = new QShortcut(QKeySequence(Qt::Key_A), this);
120 connect(cue_in, &QShortcut::activated, ui->cue_in_btn, &QPushButton::click);
121 connect(ui->cue_in_btn, &QPushButton::clicked, this, &MainWindow::cue_in_clicked);
123 QShortcut *cue_out = new QShortcut(QKeySequence(Qt::Key_S), this);
124 connect(cue_out, &QShortcut::activated, ui->cue_out_btn, &QPushButton::click);
125 connect(ui->cue_out_btn, &QPushButton::clicked, this, &MainWindow::cue_out_clicked);
127 QShortcut *queue = new QShortcut(QKeySequence(Qt::Key_Q), this);
128 connect(queue, &QShortcut::activated, ui->queue_btn, &QPushButton::click);
129 connect(ui->queue_btn, &QPushButton::clicked, this, &MainWindow::queue_clicked);
131 QShortcut *preview = new QShortcut(QKeySequence(Qt::Key_W), this);
132 connect(preview, &QShortcut::activated, ui->preview_btn, &QPushButton::click);
133 connect(ui->preview_btn, &QPushButton::clicked, this, &MainWindow::preview_clicked);
135 QShortcut *play = new QShortcut(QKeySequence(Qt::Key_Space), this);
136 connect(play, &QShortcut::activated, ui->play_btn, &QPushButton::click);
137 connect(ui->play_btn, &QPushButton::clicked, this, &MainWindow::play_clicked);
139 connect(ui->stop_btn, &QPushButton::clicked, this, &MainWindow::stop_clicked);
140 ui->stop_btn->setEnabled(false);
142 connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
144 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
145 QShortcut *delete_key = new QShortcut(QKeySequence(Qt::Key_Delete), ui->playlist);
146 connect(delete_key, &QShortcut::activated, [this] {
147 if (ui->playlist->hasFocus()) {
152 // TODO: support drag-and-drop.
153 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this]{ playlist_move(-1); });
154 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this]{ playlist_move(1); });
156 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
157 this, &MainWindow::playlist_selection_changed);
158 playlist_selection_changed(); // First time set-up.
160 preview_player.reset(new Player(ui->preview_display, Player::NO_STREAM_OUTPUT));
161 live_player.reset(new Player(ui->live_display, Player::HTTPD_STREAM_OUTPUT));
162 live_player->set_done_callback([this]{
163 post_to_main_thread([this]{
164 live_player_clip_done();
167 live_player->set_next_clip_callback(bind(&MainWindow::live_player_get_next_clip, this));
168 live_player->set_progress_callback([this](const map<size_t, double> &progress) {
169 post_to_main_thread([this, progress] {
170 live_player_clip_progress(progress);
173 set_output_status("paused");
175 defer_timeout = new QTimer(this);
176 defer_timeout->setSingleShot(true);
177 connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
178 ui->undo_action->setEnabled(true);
180 connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
181 this, &MainWindow::clip_list_selection_changed);
183 // Find out how many cameras we have in the existing frames;
184 // if none, we start with two cameras.
187 lock_guard<mutex> lock(frame_mu);
188 for (size_t stream_idx = 2; stream_idx < MAX_STREAMS; ++stream_idx) {
189 if (!frames[stream_idx].empty()) {
190 num_cameras = stream_idx + 1;
194 change_num_cameras();
196 if (!global_flags.tally_url.empty()) {
201 void MainWindow::change_num_cameras()
203 assert(num_cameras >= displays.size()); // We only add, never remove.
205 // Make new display rows.
206 unsigned display_rows = (num_cameras + 1) / 2;
207 ui->video_displays->setStretch(1, display_rows);
208 for (unsigned i = displays.size(); i < num_cameras; ++i) {
209 QFrame *frame = new QFrame(this);
210 frame->setAutoFillBackground(true);
212 QLayout *layout = new QGridLayout(frame);
213 frame->setLayout(layout);
214 layout->setContentsMargins(3, 3, 3, 3);
216 JPEGFrameView *display = new JPEGFrameView(frame);
217 display->setAutoFillBackground(true);
218 layout->addWidget(display);
220 ui->input_displays->addWidget(frame, i / 2, i % 2);
221 display->set_overlay(to_string(i + 1));
223 QPushButton *preview_btn = new QPushButton(this);
224 preview_btn->setMaximumSize(20, 17);
225 preview_btn->setText(QString::fromStdString(to_string(i + 1)));
226 ui->preview_layout->addWidget(preview_btn);
228 displays.emplace_back(FrameAndDisplay{ frame, display, preview_btn });
230 connect(display, &JPEGFrameView::clicked, preview_btn, &QPushButton::click);
231 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
232 connect(shortcut, &QShortcut::activated, preview_btn, &QPushButton::click);
234 connect(preview_btn, &QPushButton::clicked, [this, i]{ preview_angle_clicked(i); });
237 cliplist_clips->change_num_cameras(num_cameras);
238 playlist_clips->change_num_cameras(num_cameras);
240 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
243 MainWindow::~MainWindow()
245 // Empty so that we can forward-declare Player in the .h file.
248 void MainWindow::cue_in_clicked()
250 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
251 cliplist_clips->mutable_back()->pts_in = current_pts;
255 clip.pts_in = current_pts;
256 cliplist_clips->add_clip(clip);
257 playlist_selection_changed();
258 ui->clip_list->scrollToBottom();
261 void MainWindow::cue_out_clicked()
263 if (!cliplist_clips->empty()) {
264 cliplist_clips->mutable_back()->pts_out = current_pts;
265 // TODO: select the row in the clip list?
269 void MainWindow::queue_clicked()
271 if (cliplist_clips->empty()) {
275 QItemSelectionModel *selected = ui->clip_list->selectionModel();
276 if (!selected->hasSelection()) {
277 Clip clip = *cliplist_clips->back();
279 if (clip.pts_out != -1) {
280 playlist_clips->add_clip(clip);
281 playlist_selection_changed();
282 ui->playlist->scrollToBottom();
287 QModelIndex index = selected->currentIndex();
288 Clip clip = *cliplist_clips->clip(index.row());
289 if (cliplist_clips->is_camera_column(index.column())) {
290 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
292 clip.stream_idx = ui->preview_display->get_stream_idx();
295 if (clip.pts_out != -1) {
296 playlist_clips->add_clip(clip);
297 playlist_selection_changed();
298 ui->playlist->scrollToBottom();
299 if (!ui->playlist->selectionModel()->hasSelection()) {
300 // TODO: Figure out why this doesn't always seem to actually select the row.
301 QModelIndex bottom = playlist_clips->index(playlist_clips->size() - 1, 0);
302 ui->playlist->setCurrentIndex(bottom);
307 void MainWindow::preview_clicked()
309 if (ui->playlist->hasFocus()) {
310 // Allow the playlist as preview iff it has focus and something is selected.
311 QItemSelectionModel *selected = ui->playlist->selectionModel();
312 if (selected->hasSelection()) {
313 QModelIndex index = selected->currentIndex();
314 const Clip &clip = *playlist_clips->clip(index.row());
315 preview_player->play_clip(clip, index.row(), clip.stream_idx);
320 if (cliplist_clips->empty())
323 QItemSelectionModel *selected = ui->clip_list->selectionModel();
324 if (!selected->hasSelection()) {
325 preview_player->play_clip(*cliplist_clips->back(), cliplist_clips->size() - 1, 0);
329 QModelIndex index = selected->currentIndex();
331 if (cliplist_clips->is_camera_column(index.column())) {
332 stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
334 stream_idx = ui->preview_display->get_stream_idx();
336 preview_player->play_clip(*cliplist_clips->clip(index.row()), index.row(), stream_idx);
339 void MainWindow::preview_angle_clicked(unsigned stream_idx)
341 preview_player->override_angle(stream_idx);
343 // Change the selection if we were previewing a clip from the clip list.
344 // (The only other thing we could be showing is a pts scrub, and if so,
345 // that would be selected.)
346 QItemSelectionModel *selected = ui->clip_list->selectionModel();
347 if (selected->hasSelection()) {
348 QModelIndex cell = selected->selectedIndexes()[0];
349 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
350 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
354 void MainWindow::playlist_duplicate()
356 QItemSelectionModel *selected = ui->playlist->selectionModel();
357 if (!selected->hasSelection()) {
358 // Should have been grayed out, but OK.
361 QModelIndexList rows = selected->selectedRows();
362 int first = rows.front().row(), last = rows.back().row();
363 playlist_clips->duplicate_clips(first, last);
364 playlist_selection_changed();
367 void MainWindow::playlist_remove()
369 QItemSelectionModel *selected = ui->playlist->selectionModel();
370 if (!selected->hasSelection()) {
371 // Should have been grayed out, but OK.
374 QModelIndexList rows = selected->selectedRows();
375 int first = rows.front().row(), last = rows.back().row();
376 playlist_clips->erase_clips(first, last);
378 // TODO: select the next one in the list?
380 playlist_selection_changed();
383 void MainWindow::playlist_move(int delta)
385 QItemSelectionModel *selected = ui->playlist->selectionModel();
386 if (!selected->hasSelection()) {
387 // Should have been grayed out, but OK.
391 QModelIndexList rows = selected->selectedRows();
392 int first = rows.front().row(), last = rows.back().row();
393 if ((delta == -1 && first == 0) ||
394 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
395 // Should have been grayed out, but OK.
399 playlist_clips->move_clips(first, last, delta);
400 playlist_selection_changed();
403 void MainWindow::defer_timer_expired()
405 state_changed(deferred_state);
408 void MainWindow::content_changed()
410 if (defer_timeout->isActive() &&
411 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
412 // There's some deferred event waiting, but this event is unrelated.
413 // So it's time to short-circuit that timer and do the work it wanted to do.
414 defer_timeout->stop();
415 state_changed(deferred_state);
418 *state.mutable_clip_list() = cliplist_clips->serialize();
419 *state.mutable_play_list() = playlist_clips->serialize();
420 if (currently_deferring_model_changes) {
421 deferred_change_id = current_change_id;
422 deferred_state = std::move(state);
423 defer_timeout->start(200);
426 state_changed(state);
429 void MainWindow::state_changed(const StateProto &state)
431 db.store_state(state);
434 ui->redo_action->setEnabled(false);
436 undo_stack.push_back(state);
437 ui->undo_action->setEnabled(undo_stack.size() > 1);
439 // Make sure it doesn't grow without bounds.
440 while (undo_stack.size() >= 100) {
441 undo_stack.pop_front();
445 void MainWindow::save_settings()
447 SettingsProto settings;
448 settings.set_interpolation_quality(global_flags.interpolation_quality + 1);
449 db.store_settings(settings);
452 void MainWindow::play_clicked()
454 if (playlist_clips->empty())
457 QItemSelectionModel *selected = ui->playlist->selectionModel();
459 if (!selected->hasSelection()) {
462 row = selected->selectedRows(0)[0].row();
465 const Clip &clip = *playlist_clips->clip(row);
466 live_player->play_clip(clip, row, clip.stream_idx);
467 playlist_clips->set_progress({{ row, 0.0f }});
468 playlist_clips->set_currently_playing(row, 0.0f);
469 playlist_selection_changed();
471 ui->stop_btn->setEnabled(true);
474 void MainWindow::stop_clicked()
477 fake_clip.pts_in = 0;
478 fake_clip.pts_out = 0;
479 size_t last_row = playlist_clips->size() - 1;
480 playlist_clips->set_currently_playing(last_row, 0.0f);
481 live_player->play_clip(fake_clip, last_row, 0);
484 void MainWindow::live_player_clip_done()
486 int row = playlist_clips->get_currently_playing();
487 if (row == -1 || row == int(playlist_clips->size()) - 1) {
488 set_output_status("paused");
489 playlist_clips->set_progress({});
490 playlist_clips->set_currently_playing(-1, 0.0f);
492 playlist_clips->set_progress({{ row + 1, 0.0f }});
493 playlist_clips->set_currently_playing(row + 1, 0.0f);
495 ui->stop_btn->setEnabled(false);
498 pair<Clip, size_t> MainWindow::live_player_get_next_clip()
500 // playlist_clips can only be accessed on the main thread.
501 // Hopefully, we won't have to wait too long for this to come back.
503 // TODO: If MainWindow is in the process of being destroyed and waiting
504 // for Player to shut down, we could have a deadlock here.
505 promise<pair<Clip, size_t>> clip_promise;
506 future<pair<Clip, size_t>> clip = clip_promise.get_future();
507 post_to_main_thread([&clip_promise] {
508 int row = playlist_clips->get_currently_playing();
509 if (row != -1 && row < int(playlist_clips->size()) - 1) {
510 clip_promise.set_value(make_pair(*playlist_clips->clip(row + 1), row + 1));
512 clip_promise.set_value(make_pair(Clip(), 0));
518 static string format_duration(double t)
520 int t_ms = lrint(t * 1e3);
522 int ms = t_ms % 1000;
529 snprintf(buf, sizeof(buf), "%d:%02d.%03d", m, s, ms);
533 void MainWindow::live_player_clip_progress(const map<size_t, double> &progress)
535 playlist_clips->set_progress(progress);
538 for (size_t row = 0; row < playlist_clips->size(); ++row) {
539 clips.push_back(*playlist_clips->clip(row));
541 double remaining = compute_time_left(clips, progress);
542 set_output_status(format_duration(remaining) + " left");
545 void MainWindow::resizeEvent(QResizeEvent *event)
547 QMainWindow::resizeEvent(event);
549 // Ask for a relayout, but only after the event loop is done doing relayout
550 // on everything else.
551 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
554 void MainWindow::relayout()
556 ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
557 ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
560 void set_pts_in(int64_t pts, int64_t current_pts, ClipProxy &clip)
562 pts = std::max<int64_t>(pts, 0);
563 if (clip->pts_out == -1) {
564 pts = std::min(pts, current_pts);
566 pts = std::min(pts, clip->pts_out);
571 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
573 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
574 constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
575 int scrub_sensitivity = 100; // pts units per pixel.
576 int wheel_sensitivity = 100; // pts units per degree.
578 unsigned stream_idx = ui->preview_display->get_stream_idx();
580 if (watched == ui->clip_list) {
581 if (event->type() == QEvent::FocusOut) {
582 highlight_camera_input(-1);
587 if (event->type() != QEvent::Wheel) {
588 last_mousewheel_camera_row = -1;
591 if (event->type() == QEvent::MouseButtonPress) {
592 QMouseEvent *mouse = (QMouseEvent *)event;
594 QTableView *destination;
597 if (watched == ui->clip_list->viewport()) {
598 destination = ui->clip_list;
599 type = SCRUBBING_CLIP_LIST;
600 } else if (watched == ui->playlist->viewport()) {
601 destination = ui->playlist;
602 type = SCRUBBING_PLAYLIST;
606 int column = destination->columnAt(mouse->x());
607 int row = destination->rowAt(mouse->y());
608 if (column == -1 || row == -1)
611 if (type == SCRUBBING_CLIP_LIST) {
612 if (ClipList::Column(column) == ClipList::Column::IN) {
613 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
614 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
615 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
616 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
617 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
622 if (PlayList::Column(column) == PlayList::Column::IN) {
623 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
624 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
625 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
626 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
627 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
635 scrub_column = column;
636 scrub_x_origin = mouse->x();
638 } else if (event->type() == QEvent::MouseMove) {
639 QMouseEvent *mouse = (QMouseEvent *)event;
640 if (mouse->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
641 scrub_sensitivity *= 10;
642 wheel_sensitivity *= 10;
644 if (mouse->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
645 scrub_sensitivity /= 10;
646 wheel_sensitivity /= 10;
649 int offset = mouse->x() - scrub_x_origin;
651 if (offset >= dead_zone_pixels) {
652 adjusted_offset = offset - dead_zone_pixels;
653 } else if (offset < -dead_zone_pixels) {
654 adjusted_offset = offset + dead_zone_pixels;
659 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
660 currently_deferring_model_changes = true;
661 if (scrub_type == SCRUBBING_CLIP_LIST) {
662 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
663 if (scrub_column == int(ClipList::Column::IN)) {
664 current_change_id = "cliplist:in:" + to_string(scrub_row);
665 set_pts_in(pts, current_pts, clip);
666 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
668 current_change_id = "cliplist:out" + to_string(scrub_row);
669 pts = std::max(pts, clip->pts_in);
670 pts = std::min(pts, current_pts);
672 preview_single_frame(pts, stream_idx, LAST_BEFORE);
675 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
676 if (scrub_column == int(PlayList::Column::IN)) {
677 current_change_id = "playlist:in:" + to_string(scrub_row);
678 set_pts_in(pts, current_pts, clip);
679 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
681 current_change_id = "playlist:out:" + to_string(scrub_row);
682 pts = std::max(pts, clip->pts_in);
683 pts = std::min(pts, current_pts);
685 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
688 currently_deferring_model_changes = false;
690 return true; // Don't use this mouse movement for selecting things.
692 } else if (event->type() == QEvent::Wheel) {
693 QWheelEvent *wheel = (QWheelEvent *)event;
694 int angle_delta = wheel->angleDelta().y();
695 if (wheel->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
696 scrub_sensitivity *= 10;
697 wheel_sensitivity *= 10;
699 if (wheel->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
700 scrub_sensitivity /= 10;
701 wheel_sensitivity /= 10;
702 angle_delta = wheel->angleDelta().x(); // Qt ickiness.
705 QTableView *destination;
706 int in_column, out_column, camera_column;
707 if (watched == ui->clip_list->viewport()) {
708 destination = ui->clip_list;
709 in_column = int(ClipList::Column::IN);
710 out_column = int(ClipList::Column::OUT);
712 last_mousewheel_camera_row = -1;
713 } else if (watched == ui->playlist->viewport()) {
714 destination = ui->playlist;
715 in_column = int(PlayList::Column::IN);
716 out_column = int(PlayList::Column::OUT);
717 camera_column = int(PlayList::Column::CAMERA);
719 last_mousewheel_camera_row = -1;
722 int column = destination->columnAt(wheel->x());
723 int row = destination->rowAt(wheel->y());
724 if (column == -1 || row == -1) return false;
726 // Only adjust pts with the wheel if the given row is selected.
727 if (!destination->hasFocus() ||
728 row != destination->selectionModel()->currentIndex().row()) {
732 currently_deferring_model_changes = true;
734 current_change_id = (watched == ui->clip_list->viewport()) ? "cliplist:" : "playlist:";
735 ClipProxy clip = (watched == ui->clip_list->viewport()) ?
736 cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
737 if (watched == ui->playlist->viewport()) {
738 stream_idx = clip->stream_idx;
741 if (column != camera_column) {
742 last_mousewheel_camera_row = -1;
744 if (column == in_column) {
745 current_change_id += "in:" + to_string(row);
746 int64_t pts = clip->pts_in + angle_delta * wheel_sensitivity;
747 set_pts_in(pts, current_pts, clip);
748 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
749 } else if (column == out_column) {
750 current_change_id += "out:" + to_string(row);
751 int64_t pts = clip->pts_out + angle_delta * wheel_sensitivity;
752 pts = std::max(pts, clip->pts_in);
753 pts = std::min(pts, current_pts);
755 preview_single_frame(pts, stream_idx, LAST_BEFORE);
756 } else if (column == camera_column) {
757 current_change_id += "camera:" + to_string(row);
758 int angle_degrees = angle_delta;
759 if (last_mousewheel_camera_row == row) {
760 angle_degrees += leftover_angle_degrees;
763 int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
764 stream_idx = std::max(stream_idx, 0);
765 stream_idx = std::min<int>(stream_idx, num_cameras - 1);
766 clip->stream_idx = stream_idx;
768 last_mousewheel_camera_row = row;
769 leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
771 // Don't update the live view, that's rarely what the operator wants.
774 currently_deferring_model_changes = false;
775 return true; // Don't scroll.
776 } else if (event->type() == QEvent::MouseButtonRelease) {
782 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
784 if (rounding == LAST_BEFORE) {
785 lock_guard<mutex> lock(frame_mu);
786 if (frames[stream_idx].empty())
788 auto it = find_last_frame_before(frames[stream_idx], pts);
789 if (it != frames[stream_idx].end()) {
793 assert(rounding == FIRST_AT_OR_AFTER);
794 lock_guard<mutex> lock(frame_mu);
795 if (frames[stream_idx].empty())
797 auto it = find_first_frame_at_or_after(frames[stream_idx], pts);
798 if (it != frames[stream_idx].end()) {
804 fake_clip.pts_in = pts;
805 fake_clip.pts_out = pts + 1;
806 preview_player->play_clip(fake_clip, 0, stream_idx);
809 void MainWindow::playlist_selection_changed()
811 QItemSelectionModel *selected = ui->playlist->selectionModel();
812 bool any_selected = selected->hasSelection();
813 ui->playlist_duplicate_btn->setEnabled(any_selected);
814 ui->playlist_remove_btn->setEnabled(any_selected);
815 ui->playlist_move_up_btn->setEnabled(
816 any_selected && selected->selectedRows().front().row() > 0);
817 ui->playlist_move_down_btn->setEnabled(
818 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
819 ui->play_btn->setEnabled(!playlist_clips->empty());
822 set_output_status("paused");
825 for (size_t row = 0; row < playlist_clips->size(); ++row) {
826 clips.push_back(*playlist_clips->clip(row));
828 double remaining = compute_time_left(clips, {{selected->selectedRows().front().row(), 0.0}});
829 set_output_status(format_duration(remaining) + " ready");
833 void MainWindow::clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &)
835 int camera_selected = -1;
836 if (cliplist_clips->is_camera_column(current.column())) {
837 camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
839 highlight_camera_input(camera_selected);
842 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
845 if (estimated_seconds_left < 60.0) {
846 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
847 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
848 int s = lrintf(estimated_seconds_left);
851 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
852 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
853 int m = lrintf(estimated_seconds_left / 60.0);
854 snprintf(time_str, sizeof(time_str), "%dm", m);
855 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
856 int m = lrintf(estimated_seconds_left / 60.0);
859 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
860 } else { // More than ten hours: Xh.
861 int h = lrintf(estimated_seconds_left / 3600.0);
862 snprintf(time_str, sizeof(time_str), "%dh", h);
865 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
867 std::string label = buf;
869 post_to_main_thread([this, label] {
870 disk_free_label->setText(QString::fromStdString(label));
871 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
875 void MainWindow::exit_triggered()
880 void MainWindow::export_cliplist_clip_multitrack_triggered()
882 QItemSelectionModel *selected = ui->clip_list->selectionModel();
883 if (!selected->hasSelection()) {
885 msgbox.setText("No clip selected in the clip list. Select one and try exporting again.");
890 QModelIndex index = selected->currentIndex();
891 Clip clip = *cliplist_clips->clip(index.row());
892 QString filename = QFileDialog::getSaveFileName(this,
893 "Export multitrack clip", QString(), tr("Matroska video files (*.mkv)"));
894 if (filename.isNull()) {
898 if (!filename.endsWith(".mkv")) {
901 export_multitrack_clip(filename.toStdString(), clip);
904 void MainWindow::export_playlist_clip_interpolated_triggered()
906 QItemSelectionModel *selected = ui->playlist->selectionModel();
907 if (!selected->hasSelection()) {
909 msgbox.setText("No clip selected in the playlist. Select one and try exporting again.");
914 QString filename = QFileDialog::getSaveFileName(this,
915 "Export interpolated clip", QString(), tr("Matroska video files (*.mkv)"));
916 if (filename.isNull()) {
920 if (!filename.endsWith(".mkv")) {
925 QModelIndexList rows = selected->selectedRows();
926 for (QModelIndex index : rows) {
927 clips.push_back(*playlist_clips->clip(index.row()));
929 export_interpolated_clip(filename.toStdString(), clips);
932 void MainWindow::manual_triggered()
934 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
936 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
941 void MainWindow::about_triggered()
943 AboutDialog("Futatabi", "Multicamera slow motion video server").exec();
946 void MainWindow::undo_triggered()
948 // Finish any deferred action.
949 if (defer_timeout->isActive()) {
950 defer_timeout->stop();
951 state_changed(deferred_state);
954 StateProto redo_state;
955 *redo_state.mutable_clip_list() = cliplist_clips->serialize();
956 *redo_state.mutable_play_list() = playlist_clips->serialize();
957 redo_stack.push_back(std::move(redo_state));
958 ui->redo_action->setEnabled(true);
960 assert(undo_stack.size() > 1);
962 // Pop off the current state, which is always at the top of the stack.
963 undo_stack.pop_back();
965 StateProto state = undo_stack.back();
966 ui->undo_action->setEnabled(undo_stack.size() > 1);
968 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
969 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
971 db.store_state(state);
974 void MainWindow::redo_triggered()
976 assert(!redo_stack.empty());
978 ui->undo_action->setEnabled(true);
979 ui->redo_action->setEnabled(true);
981 undo_stack.push_back(std::move(redo_stack.back()));
982 redo_stack.pop_back();
983 ui->undo_action->setEnabled(true);
984 ui->redo_action->setEnabled(!redo_stack.empty());
986 const StateProto &state = undo_stack.back();
987 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
988 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
990 db.store_state(state);
993 void MainWindow::quality_toggled(int quality, bool checked)
998 global_flags.interpolation_quality = quality;
999 if (quality != 0 && // Turning interpolation off is always possible.
1000 quality != flow_initialized_interpolation_quality) {
1002 msgbox.setText(QString::fromStdString(
1003 "The interpolation quality for the main output cannot be changed at runtime, "
1004 "except being turned completely off; it will take effect for exported files "
1005 "only until next restart. The live output quality thus remains at " + to_string(flow_initialized_interpolation_quality) + "."));
1012 void MainWindow::highlight_camera_input(int stream_idx)
1014 for (unsigned i = 0; i < num_cameras; ++i) {
1015 if (unsigned(stream_idx) == i) {
1016 displays[i].frame->setStyleSheet("background: rgb(0,255,0)");
1018 displays[i].frame->setStyleSheet("");
1023 void MainWindow::set_output_status(const string &status)
1025 ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
1027 lock_guard<mutex> lock(queue_status_mu);
1028 queue_status = status;
1031 pair<string, string> MainWindow::get_queue_status() const {
1032 lock_guard<mutex> lock(queue_status_mu);
1033 return {queue_status, "text/plain"};
1036 void MainWindow::display_frame(unsigned stream_idx, const FrameOnDisk &frame)
1038 if (stream_idx >= MAX_STREAMS) {
1039 fprintf(stderr, "WARNING: Ignoring too-high stream index %u.\n", stream_idx);
1042 if (stream_idx >= num_cameras) {
1043 post_to_main_thread_and_wait([this, stream_idx]{
1044 num_cameras = stream_idx + 1;
1045 change_num_cameras();
1048 displays[stream_idx].display->setFrame(stream_idx, frame);
1051 template <class Model>
1052 void MainWindow::replace_model(QTableView *view, Model **model, Model *new_model)
1054 QItemSelectionModel *old_selection_model = view->selectionModel();
1055 view->setModel(new_model);
1057 delete old_selection_model;
1059 connect(new_model, &Model::any_content_changed, this, &MainWindow::content_changed);
1062 void MainWindow::start_tally()
1064 http_reply = http.get(QNetworkRequest(QString::fromStdString(global_flags.tally_url)));
1065 connect(http_reply, &QNetworkReply::finished, this, &MainWindow::tally_received);
1068 void MainWindow::tally_received()
1070 unsigned time_to_next_tally_ms;
1071 if (http_reply->error()) {
1072 fprintf(stderr, "HTTP get of '%s' failed: %s\n", global_flags.tally_url.c_str(),
1073 http_reply->errorString().toStdString().c_str());
1074 ui->live_frame->setStyleSheet("");
1075 time_to_next_tally_ms = 1000;
1077 string contents = http_reply->readAll().toStdString();
1078 ui->live_frame->setStyleSheet(QString::fromStdString("background: " + contents));
1079 time_to_next_tally_ms = 100;
1081 http_reply->deleteLater();
1082 http_reply = nullptr;
1084 QTimer::singleShot(time_to_next_tally_ms, this, &MainWindow::start_tally);