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.
44 SettingsProto settings = db.get_settings();
45 if (!global_flags.interpolation_quality_set) {
46 if (settings.interpolation_quality() != 0) {
47 global_flags.interpolation_quality = settings.interpolation_quality() - 1;
50 if (!global_flags.cue_point_padding_set) {
51 global_flags.cue_point_padding_seconds = settings.cue_point_padding_seconds(); // Default 0 is fine.
53 if (global_flags.interpolation_quality == 0) {
54 // Allocate something just for simplicity; we won't be using it
55 // unless the user changes runtime, in which case 1 is fine.
56 flow_initialized_interpolation_quality = 1;
58 flow_initialized_interpolation_quality = global_flags.interpolation_quality;
63 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
64 connect(ui->export_cliplist_clip_multitrack_action, &QAction::triggered, this, &MainWindow::export_cliplist_clip_multitrack_triggered);
65 connect(ui->export_playlist_clip_interpolated_action, &QAction::triggered, this, &MainWindow::export_playlist_clip_interpolated_triggered);
66 connect(ui->manual_action, &QAction::triggered, this, &MainWindow::manual_triggered);
67 connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
68 connect(ui->undo_action, &QAction::triggered, this, &MainWindow::undo_triggered);
69 connect(ui->redo_action, &QAction::triggered, this, &MainWindow::redo_triggered);
70 ui->undo_action->setEnabled(false);
71 ui->redo_action->setEnabled(false);
74 QActionGroup *quality_group = new QActionGroup(ui->interpolation_menu);
75 quality_group->addAction(ui->quality_0_action);
76 quality_group->addAction(ui->quality_1_action);
77 quality_group->addAction(ui->quality_2_action);
78 quality_group->addAction(ui->quality_3_action);
79 quality_group->addAction(ui->quality_4_action);
80 if (global_flags.interpolation_quality == 0) {
81 ui->quality_0_action->setChecked(true);
82 } else if (global_flags.interpolation_quality == 1) {
83 ui->quality_1_action->setChecked(true);
84 } else if (global_flags.interpolation_quality == 2) {
85 ui->quality_2_action->setChecked(true);
86 } else if (global_flags.interpolation_quality == 3) {
87 ui->quality_3_action->setChecked(true);
88 } else if (global_flags.interpolation_quality == 4) {
89 ui->quality_4_action->setChecked(true);
93 connect(ui->quality_0_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 0, _1));
94 connect(ui->quality_1_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 1, _1));
95 connect(ui->quality_2_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 2, _1));
96 connect(ui->quality_3_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 3, _1));
97 connect(ui->quality_4_action, &QAction::toggled, bind(&MainWindow::quality_toggled, this, 4, _1));
99 // The cue point padding group.
100 QActionGroup *padding_group = new QActionGroup(ui->interpolation_menu);
101 padding_group->addAction(ui->padding_0_action);
102 padding_group->addAction(ui->padding_1_action);
103 padding_group->addAction(ui->padding_2_action);
104 padding_group->addAction(ui->padding_5_action);
105 if (global_flags.cue_point_padding_seconds <= 1e-3) {
106 ui->padding_0_action->setChecked(true);
107 } else if (fabs(global_flags.cue_point_padding_seconds - 1.0) < 1e-3) {
108 ui->padding_1_action->setChecked(true);
109 } else if (fabs(global_flags.cue_point_padding_seconds - 2.0) < 1e-3) {
110 ui->padding_2_action->setChecked(true);
111 } else if (fabs(global_flags.cue_point_padding_seconds - 5.0) < 1e-3) {
112 ui->padding_5_action->setChecked(true);
114 // Nothing to check, which is fine.
116 connect(ui->padding_0_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 0.0, _1));
117 connect(ui->padding_1_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 1.0, _1));
118 connect(ui->padding_2_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 2.0, _1));
119 connect(ui->padding_5_action, &QAction::toggled, bind(&MainWindow::padding_toggled, this, 5.0, _1));
121 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
122 disk_free_label = new QLabel(this);
123 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
124 ui->menuBar->setCornerWidget(disk_free_label);
126 StateProto state = db.get_state();
127 undo_stack.push_back(state); // The undo stack always has the current state on top.
129 cliplist_clips = new ClipList(state.clip_list());
130 ui->clip_list->setModel(cliplist_clips);
131 connect(cliplist_clips, &ClipList::any_content_changed, this, &MainWindow::content_changed);
133 playlist_clips = new PlayList(state.play_list());
134 ui->playlist->setModel(playlist_clips);
135 connect(playlist_clips, &PlayList::any_content_changed, this, &MainWindow::content_changed);
137 // For un-highlighting when we lose focus.
138 ui->clip_list->installEventFilter(this);
140 // For scrubbing in the pts columns.
141 ui->clip_list->viewport()->installEventFilter(this);
142 ui->playlist->viewport()->installEventFilter(this);
144 QShortcut *cue_in = new QShortcut(QKeySequence(Qt::Key_A), this);
145 connect(cue_in, &QShortcut::activated, ui->cue_in_btn, &QPushButton::click);
146 connect(ui->cue_in_btn, &QPushButton::clicked, this, &MainWindow::cue_in_clicked);
148 QShortcut *cue_out = new QShortcut(QKeySequence(Qt::Key_S), this);
149 connect(cue_out, &QShortcut::activated, ui->cue_out_btn, &QPushButton::click);
150 connect(ui->cue_out_btn, &QPushButton::clicked, this, &MainWindow::cue_out_clicked);
152 QShortcut *queue = new QShortcut(QKeySequence(Qt::Key_Q), this);
153 connect(queue, &QShortcut::activated, ui->queue_btn, &QPushButton::click);
154 connect(ui->queue_btn, &QPushButton::clicked, this, &MainWindow::queue_clicked);
156 QShortcut *preview = new QShortcut(QKeySequence(Qt::Key_W), this);
157 connect(preview, &QShortcut::activated, ui->preview_btn, &QPushButton::click);
158 connect(ui->preview_btn, &QPushButton::clicked, this, &MainWindow::preview_clicked);
160 QShortcut *play = new QShortcut(QKeySequence(Qt::Key_Space), this);
161 connect(play, &QShortcut::activated, ui->play_btn, &QPushButton::click);
162 connect(ui->play_btn, &QPushButton::clicked, this, &MainWindow::play_clicked);
164 connect(ui->stop_btn, &QPushButton::clicked, this, &MainWindow::stop_clicked);
165 ui->stop_btn->setEnabled(false);
167 connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
169 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
170 QShortcut *delete_key = new QShortcut(QKeySequence(Qt::Key_Delete), ui->playlist);
171 connect(delete_key, &QShortcut::activated, [this] {
172 if (ui->playlist->hasFocus()) {
177 // TODO: support drag-and-drop.
178 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this]{ playlist_move(-1); });
179 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this]{ playlist_move(1); });
181 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
182 this, &MainWindow::playlist_selection_changed);
183 playlist_selection_changed(); // First time set-up.
185 preview_player.reset(new Player(ui->preview_display, Player::NO_STREAM_OUTPUT));
186 live_player.reset(new Player(ui->live_display, Player::HTTPD_STREAM_OUTPUT));
187 live_player->set_done_callback([this]{
188 post_to_main_thread([this]{
189 live_player_clip_done();
192 live_player->set_next_clip_callback(bind(&MainWindow::live_player_get_next_clip, this));
193 live_player->set_progress_callback([this](const map<size_t, double> &progress) {
194 post_to_main_thread([this, progress] {
195 live_player_clip_progress(progress);
198 set_output_status("paused");
200 defer_timeout = new QTimer(this);
201 defer_timeout->setSingleShot(true);
202 connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
203 ui->undo_action->setEnabled(true);
205 connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
206 this, &MainWindow::clip_list_selection_changed);
208 // Find out how many cameras we have in the existing frames;
209 // if none, we start with two cameras.
212 lock_guard<mutex> lock(frame_mu);
213 for (size_t stream_idx = 2; stream_idx < MAX_STREAMS; ++stream_idx) {
214 if (!frames[stream_idx].empty()) {
215 num_cameras = stream_idx + 1;
219 change_num_cameras();
221 if (!global_flags.tally_url.empty()) {
226 void MainWindow::change_num_cameras()
228 assert(num_cameras >= displays.size()); // We only add, never remove.
230 // Make new display rows.
231 unsigned display_rows = (num_cameras + 1) / 2;
232 ui->video_displays->setStretch(1, display_rows);
233 for (unsigned i = displays.size(); i < num_cameras; ++i) {
234 QFrame *frame = new QFrame(this);
235 frame->setAutoFillBackground(true);
237 QLayout *layout = new QGridLayout(frame);
238 frame->setLayout(layout);
239 layout->setContentsMargins(3, 3, 3, 3);
241 JPEGFrameView *display = new JPEGFrameView(frame);
242 display->setAutoFillBackground(true);
243 layout->addWidget(display);
245 ui->input_displays->addWidget(frame, i / 2, i % 2);
246 display->set_overlay(to_string(i + 1));
248 QPushButton *preview_btn = new QPushButton(this);
249 preview_btn->setMaximumSize(20, 17);
250 preview_btn->setText(QString::fromStdString(to_string(i + 1)));
251 ui->preview_layout->addWidget(preview_btn);
253 displays.emplace_back(FrameAndDisplay{ frame, display, preview_btn });
255 connect(display, &JPEGFrameView::clicked, preview_btn, &QPushButton::click);
256 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
257 connect(shortcut, &QShortcut::activated, preview_btn, &QPushButton::click);
259 connect(preview_btn, &QPushButton::clicked, [this, i]{ preview_angle_clicked(i); });
262 cliplist_clips->change_num_cameras(num_cameras);
263 playlist_clips->change_num_cameras(num_cameras);
265 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
268 MainWindow::~MainWindow()
270 // Empty so that we can forward-declare Player in the .h file.
273 void MainWindow::cue_in_clicked()
275 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
276 cliplist_clips->mutable_back()->pts_in = current_pts;
280 clip.pts_in = max<int64_t>(current_pts - lrint(global_flags.cue_point_padding_seconds * TIMEBASE), 0);
281 cliplist_clips->add_clip(clip);
282 playlist_selection_changed();
283 ui->clip_list->scrollToBottom();
286 void MainWindow::cue_out_clicked()
288 if (!cliplist_clips->empty()) {
289 cliplist_clips->mutable_back()->pts_out = current_pts + lrint(global_flags.cue_point_padding_seconds * TIMEBASE);
290 // TODO: select the row in the clip list?
294 void MainWindow::queue_clicked()
296 if (cliplist_clips->empty()) {
300 QItemSelectionModel *selected = ui->clip_list->selectionModel();
301 if (!selected->hasSelection()) {
302 Clip clip = *cliplist_clips->back();
304 if (clip.pts_out != -1) {
305 playlist_clips->add_clip(clip);
306 playlist_selection_changed();
307 ui->playlist->scrollToBottom();
312 QModelIndex index = selected->currentIndex();
313 Clip clip = *cliplist_clips->clip(index.row());
314 if (cliplist_clips->is_camera_column(index.column())) {
315 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
317 clip.stream_idx = ui->preview_display->get_stream_idx();
320 if (clip.pts_out != -1) {
321 playlist_clips->add_clip(clip);
322 playlist_selection_changed();
323 ui->playlist->scrollToBottom();
324 if (!ui->playlist->selectionModel()->hasSelection()) {
325 // TODO: Figure out why this doesn't always seem to actually select the row.
326 QModelIndex bottom = playlist_clips->index(playlist_clips->size() - 1, 0);
327 ui->playlist->setCurrentIndex(bottom);
332 void MainWindow::preview_clicked()
334 if (ui->playlist->hasFocus()) {
335 // Allow the playlist as preview iff it has focus and something is selected.
336 QItemSelectionModel *selected = ui->playlist->selectionModel();
337 if (selected->hasSelection()) {
338 QModelIndex index = selected->currentIndex();
339 const Clip &clip = *playlist_clips->clip(index.row());
340 preview_player->play_clip(clip, index.row(), clip.stream_idx);
345 if (cliplist_clips->empty())
348 QItemSelectionModel *selected = ui->clip_list->selectionModel();
349 if (!selected->hasSelection()) {
350 preview_player->play_clip(*cliplist_clips->back(), cliplist_clips->size() - 1, 0);
354 QModelIndex index = selected->currentIndex();
356 if (cliplist_clips->is_camera_column(index.column())) {
357 stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
359 stream_idx = ui->preview_display->get_stream_idx();
361 preview_player->play_clip(*cliplist_clips->clip(index.row()), index.row(), stream_idx);
364 void MainWindow::preview_angle_clicked(unsigned stream_idx)
366 preview_player->override_angle(stream_idx);
368 // Change the selection if we were previewing a clip from the clip list.
369 // (The only other thing we could be showing is a pts scrub, and if so,
370 // that would be selected.)
371 QItemSelectionModel *selected = ui->clip_list->selectionModel();
372 if (selected->hasSelection()) {
373 QModelIndex cell = selected->selectedIndexes()[0];
374 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
375 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
379 void MainWindow::playlist_duplicate()
381 QItemSelectionModel *selected = ui->playlist->selectionModel();
382 if (!selected->hasSelection()) {
383 // Should have been grayed out, but OK.
386 QModelIndexList rows = selected->selectedRows();
387 int first = rows.front().row(), last = rows.back().row();
388 playlist_clips->duplicate_clips(first, last);
389 playlist_selection_changed();
392 void MainWindow::playlist_remove()
394 QItemSelectionModel *selected = ui->playlist->selectionModel();
395 if (!selected->hasSelection()) {
396 // Should have been grayed out, but OK.
399 QModelIndexList rows = selected->selectedRows();
400 int first = rows.front().row(), last = rows.back().row();
401 playlist_clips->erase_clips(first, last);
403 // TODO: select the next one in the list?
405 playlist_selection_changed();
408 void MainWindow::playlist_move(int delta)
410 QItemSelectionModel *selected = ui->playlist->selectionModel();
411 if (!selected->hasSelection()) {
412 // Should have been grayed out, but OK.
416 QModelIndexList rows = selected->selectedRows();
417 int first = rows.front().row(), last = rows.back().row();
418 if ((delta == -1 && first == 0) ||
419 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
420 // Should have been grayed out, but OK.
424 playlist_clips->move_clips(first, last, delta);
425 playlist_selection_changed();
428 void MainWindow::defer_timer_expired()
430 state_changed(deferred_state);
433 void MainWindow::content_changed()
435 if (defer_timeout->isActive() &&
436 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
437 // There's some deferred event waiting, but this event is unrelated.
438 // So it's time to short-circuit that timer and do the work it wanted to do.
439 defer_timeout->stop();
440 state_changed(deferred_state);
443 *state.mutable_clip_list() = cliplist_clips->serialize();
444 *state.mutable_play_list() = playlist_clips->serialize();
445 if (currently_deferring_model_changes) {
446 deferred_change_id = current_change_id;
447 deferred_state = std::move(state);
448 defer_timeout->start(200);
451 state_changed(state);
454 void MainWindow::state_changed(const StateProto &state)
456 db.store_state(state);
459 ui->redo_action->setEnabled(false);
461 undo_stack.push_back(state);
462 ui->undo_action->setEnabled(undo_stack.size() > 1);
464 // Make sure it doesn't grow without bounds.
465 while (undo_stack.size() >= 100) {
466 undo_stack.pop_front();
470 void MainWindow::save_settings()
472 SettingsProto settings;
473 settings.set_interpolation_quality(global_flags.interpolation_quality + 1);
474 settings.set_cue_point_padding_seconds(global_flags.cue_point_padding_seconds);
475 db.store_settings(settings);
478 void MainWindow::play_clicked()
480 if (playlist_clips->empty())
483 QItemSelectionModel *selected = ui->playlist->selectionModel();
485 if (!selected->hasSelection()) {
488 row = selected->selectedRows(0)[0].row();
491 const Clip &clip = *playlist_clips->clip(row);
492 live_player->play_clip(clip, row, clip.stream_idx);
493 playlist_clips->set_progress({{ row, 0.0f }});
494 playlist_clips->set_currently_playing(row, 0.0f);
495 playlist_selection_changed();
497 ui->stop_btn->setEnabled(true);
500 void MainWindow::stop_clicked()
503 fake_clip.pts_in = 0;
504 fake_clip.pts_out = 0;
505 size_t last_row = playlist_clips->size() - 1;
506 playlist_clips->set_currently_playing(last_row, 0.0f);
507 live_player->play_clip(fake_clip, last_row, 0);
510 void MainWindow::live_player_clip_done()
512 int row = playlist_clips->get_currently_playing();
513 if (row == -1 || row == int(playlist_clips->size()) - 1) {
514 set_output_status("paused");
515 playlist_clips->set_progress({});
516 playlist_clips->set_currently_playing(-1, 0.0f);
518 playlist_clips->set_progress({{ row + 1, 0.0f }});
519 playlist_clips->set_currently_playing(row + 1, 0.0f);
521 ui->stop_btn->setEnabled(false);
524 pair<Clip, size_t> MainWindow::live_player_get_next_clip()
526 // playlist_clips can only be accessed on the main thread.
527 // Hopefully, we won't have to wait too long for this to come back.
529 // TODO: If MainWindow is in the process of being destroyed and waiting
530 // for Player to shut down, we could have a deadlock here.
531 promise<pair<Clip, size_t>> clip_promise;
532 future<pair<Clip, size_t>> clip = clip_promise.get_future();
533 post_to_main_thread([&clip_promise] {
534 int row = playlist_clips->get_currently_playing();
535 if (row != -1 && row < int(playlist_clips->size()) - 1) {
536 clip_promise.set_value(make_pair(*playlist_clips->clip(row + 1), row + 1));
538 clip_promise.set_value(make_pair(Clip(), 0));
544 static string format_duration(double t)
546 int t_ms = lrint(t * 1e3);
548 int ms = t_ms % 1000;
555 snprintf(buf, sizeof(buf), "%d:%02d.%03d", m, s, ms);
559 void MainWindow::live_player_clip_progress(const map<size_t, double> &progress)
561 playlist_clips->set_progress(progress);
564 for (size_t row = 0; row < playlist_clips->size(); ++row) {
565 clips.push_back(*playlist_clips->clip(row));
567 double remaining = compute_time_left(clips, progress);
568 set_output_status(format_duration(remaining) + " left");
571 void MainWindow::resizeEvent(QResizeEvent *event)
573 QMainWindow::resizeEvent(event);
575 // Ask for a relayout, but only after the event loop is done doing relayout
576 // on everything else.
577 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
580 void MainWindow::relayout()
582 ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
583 ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
586 void set_pts_in(int64_t pts, int64_t current_pts, ClipProxy &clip)
588 pts = std::max<int64_t>(pts, 0);
589 if (clip->pts_out == -1) {
590 pts = std::min(pts, current_pts);
592 pts = std::min(pts, clip->pts_out);
597 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
599 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
600 constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
601 int scrub_sensitivity = 100; // pts units per pixel.
602 int wheel_sensitivity = 100; // pts units per degree.
604 unsigned stream_idx = ui->preview_display->get_stream_idx();
606 if (watched == ui->clip_list) {
607 if (event->type() == QEvent::FocusOut) {
608 highlight_camera_input(-1);
613 if (event->type() != QEvent::Wheel) {
614 last_mousewheel_camera_row = -1;
617 if (event->type() == QEvent::MouseButtonPress) {
618 QMouseEvent *mouse = (QMouseEvent *)event;
620 QTableView *destination;
623 if (watched == ui->clip_list->viewport()) {
624 destination = ui->clip_list;
625 type = SCRUBBING_CLIP_LIST;
626 } else if (watched == ui->playlist->viewport()) {
627 destination = ui->playlist;
628 type = SCRUBBING_PLAYLIST;
632 int column = destination->columnAt(mouse->x());
633 int row = destination->rowAt(mouse->y());
634 if (column == -1 || row == -1)
637 if (type == SCRUBBING_CLIP_LIST) {
638 if (ClipList::Column(column) == ClipList::Column::IN) {
639 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
640 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
641 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
642 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
643 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
648 if (PlayList::Column(column) == PlayList::Column::IN) {
649 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
650 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
651 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
652 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
653 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
661 scrub_column = column;
662 scrub_x_origin = mouse->x();
664 } else if (event->type() == QEvent::MouseMove) {
665 QMouseEvent *mouse = (QMouseEvent *)event;
666 if (mouse->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
667 scrub_sensitivity *= 10;
668 wheel_sensitivity *= 10;
670 if (mouse->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
671 scrub_sensitivity /= 10;
672 wheel_sensitivity /= 10;
675 int offset = mouse->x() - scrub_x_origin;
677 if (offset >= dead_zone_pixels) {
678 adjusted_offset = offset - dead_zone_pixels;
679 } else if (offset < -dead_zone_pixels) {
680 adjusted_offset = offset + dead_zone_pixels;
685 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
686 currently_deferring_model_changes = true;
687 if (scrub_type == SCRUBBING_CLIP_LIST) {
688 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
689 if (scrub_column == int(ClipList::Column::IN)) {
690 current_change_id = "cliplist:in:" + to_string(scrub_row);
691 set_pts_in(pts, current_pts, clip);
692 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
694 current_change_id = "cliplist:out" + to_string(scrub_row);
695 pts = std::max(pts, clip->pts_in);
696 pts = std::min(pts, current_pts);
698 preview_single_frame(pts, stream_idx, LAST_BEFORE);
701 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
702 if (scrub_column == int(PlayList::Column::IN)) {
703 current_change_id = "playlist:in:" + to_string(scrub_row);
704 set_pts_in(pts, current_pts, clip);
705 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
707 current_change_id = "playlist:out:" + to_string(scrub_row);
708 pts = std::max(pts, clip->pts_in);
709 pts = std::min(pts, current_pts);
711 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
714 currently_deferring_model_changes = false;
716 return true; // Don't use this mouse movement for selecting things.
718 } else if (event->type() == QEvent::Wheel) {
719 QWheelEvent *wheel = (QWheelEvent *)event;
720 int angle_delta = wheel->angleDelta().y();
721 if (wheel->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
722 scrub_sensitivity *= 10;
723 wheel_sensitivity *= 10;
725 if (wheel->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
726 scrub_sensitivity /= 10;
727 wheel_sensitivity /= 10;
728 angle_delta = wheel->angleDelta().x(); // Qt ickiness.
731 QTableView *destination;
732 int in_column, out_column, camera_column;
733 if (watched == ui->clip_list->viewport()) {
734 destination = ui->clip_list;
735 in_column = int(ClipList::Column::IN);
736 out_column = int(ClipList::Column::OUT);
738 last_mousewheel_camera_row = -1;
739 } else if (watched == ui->playlist->viewport()) {
740 destination = ui->playlist;
741 in_column = int(PlayList::Column::IN);
742 out_column = int(PlayList::Column::OUT);
743 camera_column = int(PlayList::Column::CAMERA);
745 last_mousewheel_camera_row = -1;
748 int column = destination->columnAt(wheel->x());
749 int row = destination->rowAt(wheel->y());
750 if (column == -1 || row == -1) return false;
752 // Only adjust pts with the wheel if the given row is selected.
753 if (!destination->hasFocus() ||
754 row != destination->selectionModel()->currentIndex().row()) {
758 currently_deferring_model_changes = true;
760 current_change_id = (watched == ui->clip_list->viewport()) ? "cliplist:" : "playlist:";
761 ClipProxy clip = (watched == ui->clip_list->viewport()) ?
762 cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
763 if (watched == ui->playlist->viewport()) {
764 stream_idx = clip->stream_idx;
767 if (column != camera_column) {
768 last_mousewheel_camera_row = -1;
770 if (column == in_column) {
771 current_change_id += "in:" + to_string(row);
772 int64_t pts = clip->pts_in + angle_delta * wheel_sensitivity;
773 set_pts_in(pts, current_pts, clip);
774 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
775 } else if (column == out_column) {
776 current_change_id += "out:" + to_string(row);
777 int64_t pts = clip->pts_out + angle_delta * wheel_sensitivity;
778 pts = std::max(pts, clip->pts_in);
779 pts = std::min(pts, current_pts);
781 preview_single_frame(pts, stream_idx, LAST_BEFORE);
782 } else if (column == camera_column) {
783 current_change_id += "camera:" + to_string(row);
784 int angle_degrees = angle_delta;
785 if (last_mousewheel_camera_row == row) {
786 angle_degrees += leftover_angle_degrees;
789 int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
790 stream_idx = std::max(stream_idx, 0);
791 stream_idx = std::min<int>(stream_idx, num_cameras - 1);
792 clip->stream_idx = stream_idx;
794 last_mousewheel_camera_row = row;
795 leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
797 // Don't update the live view, that's rarely what the operator wants.
800 currently_deferring_model_changes = false;
801 return true; // Don't scroll.
802 } else if (event->type() == QEvent::MouseButtonRelease) {
808 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
810 if (rounding == LAST_BEFORE) {
811 lock_guard<mutex> lock(frame_mu);
812 if (frames[stream_idx].empty())
814 auto it = find_last_frame_before(frames[stream_idx], pts);
815 if (it != frames[stream_idx].end()) {
819 assert(rounding == FIRST_AT_OR_AFTER);
820 lock_guard<mutex> lock(frame_mu);
821 if (frames[stream_idx].empty())
823 auto it = find_first_frame_at_or_after(frames[stream_idx], pts);
824 if (it != frames[stream_idx].end()) {
830 fake_clip.pts_in = pts;
831 fake_clip.pts_out = pts + 1;
832 preview_player->play_clip(fake_clip, 0, stream_idx);
835 void MainWindow::playlist_selection_changed()
837 QItemSelectionModel *selected = ui->playlist->selectionModel();
838 bool any_selected = selected->hasSelection();
839 ui->playlist_duplicate_btn->setEnabled(any_selected);
840 ui->playlist_remove_btn->setEnabled(any_selected);
841 ui->playlist_move_up_btn->setEnabled(
842 any_selected && selected->selectedRows().front().row() > 0);
843 ui->playlist_move_down_btn->setEnabled(
844 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
845 ui->play_btn->setEnabled(!playlist_clips->empty());
848 set_output_status("paused");
851 for (size_t row = 0; row < playlist_clips->size(); ++row) {
852 clips.push_back(*playlist_clips->clip(row));
854 double remaining = compute_time_left(clips, {{selected->selectedRows().front().row(), 0.0}});
855 set_output_status(format_duration(remaining) + " ready");
859 void MainWindow::clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &)
861 int camera_selected = -1;
862 if (cliplist_clips->is_camera_column(current.column())) {
863 camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
865 highlight_camera_input(camera_selected);
868 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
871 if (estimated_seconds_left < 60.0) {
872 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
873 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
874 int s = lrintf(estimated_seconds_left);
877 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
878 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
879 int m = lrintf(estimated_seconds_left / 60.0);
880 snprintf(time_str, sizeof(time_str), "%dm", m);
881 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
882 int m = lrintf(estimated_seconds_left / 60.0);
885 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
886 } else { // More than ten hours: Xh.
887 int h = lrintf(estimated_seconds_left / 3600.0);
888 snprintf(time_str, sizeof(time_str), "%dh", h);
891 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
893 std::string label = buf;
895 post_to_main_thread([this, label] {
896 disk_free_label->setText(QString::fromStdString(label));
897 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
901 void MainWindow::exit_triggered()
906 void MainWindow::export_cliplist_clip_multitrack_triggered()
908 QItemSelectionModel *selected = ui->clip_list->selectionModel();
909 if (!selected->hasSelection()) {
911 msgbox.setText("No clip selected in the clip list. Select one and try exporting again.");
916 QModelIndex index = selected->currentIndex();
917 Clip clip = *cliplist_clips->clip(index.row());
918 QString filename = QFileDialog::getSaveFileName(this,
919 "Export multitrack clip", QString(), tr("Matroska video files (*.mkv)"));
920 if (filename.isNull()) {
924 if (!filename.endsWith(".mkv")) {
927 export_multitrack_clip(filename.toStdString(), clip);
930 void MainWindow::export_playlist_clip_interpolated_triggered()
932 QItemSelectionModel *selected = ui->playlist->selectionModel();
933 if (!selected->hasSelection()) {
935 msgbox.setText("No clip selected in the playlist. Select one and try exporting again.");
940 QString filename = QFileDialog::getSaveFileName(this,
941 "Export interpolated clip", QString(), tr("Matroska video files (*.mkv)"));
942 if (filename.isNull()) {
946 if (!filename.endsWith(".mkv")) {
951 QModelIndexList rows = selected->selectedRows();
952 for (QModelIndex index : rows) {
953 clips.push_back(*playlist_clips->clip(index.row()));
955 export_interpolated_clip(filename.toStdString(), clips);
958 void MainWindow::manual_triggered()
960 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
962 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
967 void MainWindow::about_triggered()
969 AboutDialog("Futatabi", "Multicamera slow motion video server").exec();
972 void MainWindow::undo_triggered()
974 // Finish any deferred action.
975 if (defer_timeout->isActive()) {
976 defer_timeout->stop();
977 state_changed(deferred_state);
980 StateProto redo_state;
981 *redo_state.mutable_clip_list() = cliplist_clips->serialize();
982 *redo_state.mutable_play_list() = playlist_clips->serialize();
983 redo_stack.push_back(std::move(redo_state));
984 ui->redo_action->setEnabled(true);
986 assert(undo_stack.size() > 1);
988 // Pop off the current state, which is always at the top of the stack.
989 undo_stack.pop_back();
991 StateProto state = undo_stack.back();
992 ui->undo_action->setEnabled(undo_stack.size() > 1);
994 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
995 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
997 db.store_state(state);
1000 void MainWindow::redo_triggered()
1002 assert(!redo_stack.empty());
1004 ui->undo_action->setEnabled(true);
1005 ui->redo_action->setEnabled(true);
1007 undo_stack.push_back(std::move(redo_stack.back()));
1008 redo_stack.pop_back();
1009 ui->undo_action->setEnabled(true);
1010 ui->redo_action->setEnabled(!redo_stack.empty());
1012 const StateProto &state = undo_stack.back();
1013 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
1014 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
1016 db.store_state(state);
1019 void MainWindow::quality_toggled(int quality, bool checked)
1024 global_flags.interpolation_quality = quality;
1025 if (quality != 0 && // Turning interpolation off is always possible.
1026 quality != flow_initialized_interpolation_quality) {
1028 msgbox.setText(QString::fromStdString(
1029 "The interpolation quality for the main output cannot be changed at runtime, "
1030 "except being turned completely off; it will take effect for exported files "
1031 "only until next restart. The live output quality thus remains at " + to_string(flow_initialized_interpolation_quality) + "."));
1038 void MainWindow::padding_toggled(double seconds, bool checked)
1043 global_flags.cue_point_padding_seconds = seconds;
1047 void MainWindow::highlight_camera_input(int stream_idx)
1049 for (unsigned i = 0; i < num_cameras; ++i) {
1050 if (unsigned(stream_idx) == i) {
1051 displays[i].frame->setStyleSheet("background: rgb(0,255,0)");
1053 displays[i].frame->setStyleSheet("");
1058 void MainWindow::set_output_status(const string &status)
1060 ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
1062 lock_guard<mutex> lock(queue_status_mu);
1063 queue_status = status;
1066 pair<string, string> MainWindow::get_queue_status() const {
1067 lock_guard<mutex> lock(queue_status_mu);
1068 return {queue_status, "text/plain"};
1071 void MainWindow::display_frame(unsigned stream_idx, const FrameOnDisk &frame)
1073 if (stream_idx >= MAX_STREAMS) {
1074 fprintf(stderr, "WARNING: Ignoring too-high stream index %u.\n", stream_idx);
1077 if (stream_idx >= num_cameras) {
1078 post_to_main_thread_and_wait([this, stream_idx]{
1079 num_cameras = stream_idx + 1;
1080 change_num_cameras();
1083 displays[stream_idx].display->setFrame(stream_idx, frame);
1086 template <class Model>
1087 void MainWindow::replace_model(QTableView *view, Model **model, Model *new_model)
1089 QItemSelectionModel *old_selection_model = view->selectionModel();
1090 view->setModel(new_model);
1092 delete old_selection_model;
1094 connect(new_model, &Model::any_content_changed, this, &MainWindow::content_changed);
1097 void MainWindow::start_tally()
1099 http_reply = http.get(QNetworkRequest(QString::fromStdString(global_flags.tally_url)));
1100 connect(http_reply, &QNetworkReply::finished, this, &MainWindow::tally_received);
1103 void MainWindow::tally_received()
1105 unsigned time_to_next_tally_ms;
1106 if (http_reply->error()) {
1107 fprintf(stderr, "HTTP get of '%s' failed: %s\n", global_flags.tally_url.c_str(),
1108 http_reply->errorString().toStdString().c_str());
1109 ui->live_frame->setStyleSheet("");
1110 time_to_next_tally_ms = 1000;
1112 string contents = http_reply->readAll().toStdString();
1113 ui->live_frame->setStyleSheet(QString::fromStdString("background: " + contents));
1114 time_to_next_tally_ms = 100;
1116 http_reply->deleteLater();
1117 http_reply = nullptr;
1119 QTimer::singleShot(time_to_next_tally_ms, this, &MainWindow::start_tally);