1 #include "mainwindow.h"
6 #include "frame_on_disk.h"
8 #include "shared/aboutdialog.h"
9 #include "shared/disk_space_estimator.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] {
192 live_player->set_progress_callback([this](const map<uint64_t, double> &progress, double time_remaining) {
193 post_to_main_thread([this, progress, time_remaining] {
194 live_player_clip_progress(progress, time_remaining);
197 set_output_status("paused");
199 defer_timeout = new QTimer(this);
200 defer_timeout->setSingleShot(true);
201 connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
202 ui->undo_action->setEnabled(true);
204 connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
205 this, &MainWindow::clip_list_selection_changed);
207 // Find out how many cameras we have in the existing frames;
208 // if none, we start with two cameras.
211 lock_guard<mutex> lock(frame_mu);
212 for (size_t stream_idx = 2; stream_idx < MAX_STREAMS; ++stream_idx) {
213 if (!frames[stream_idx].empty()) {
214 num_cameras = stream_idx + 1;
218 change_num_cameras();
220 if (!global_flags.tally_url.empty()) {
225 void MainWindow::change_num_cameras()
227 assert(num_cameras >= displays.size()); // We only add, never remove.
229 // Make new display rows.
230 unsigned display_rows = (num_cameras + 1) / 2;
231 ui->video_displays->setStretch(1, display_rows);
232 for (unsigned i = displays.size(); i < num_cameras; ++i) {
233 QFrame *frame = new QFrame(this);
234 frame->setAutoFillBackground(true);
236 QLayout *layout = new QGridLayout(frame);
237 frame->setLayout(layout);
238 layout->setContentsMargins(3, 3, 3, 3);
240 JPEGFrameView *display = new JPEGFrameView(frame);
241 display->setAutoFillBackground(true);
242 layout->addWidget(display);
244 ui->input_displays->addWidget(frame, i / 2, i % 2);
245 display->set_overlay(to_string(i + 1));
247 QPushButton *preview_btn = new QPushButton(this);
248 preview_btn->setMaximumSize(20, 17);
249 preview_btn->setText(QString::fromStdString(to_string(i + 1)));
250 ui->preview_layout->addWidget(preview_btn);
252 displays.emplace_back(FrameAndDisplay{ frame, display, preview_btn });
254 connect(display, &JPEGFrameView::clicked, preview_btn, &QPushButton::click);
255 QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
256 connect(shortcut, &QShortcut::activated, preview_btn, &QPushButton::click);
258 connect(preview_btn, &QPushButton::clicked, [this, i] { preview_angle_clicked(i); });
261 cliplist_clips->change_num_cameras(num_cameras);
262 playlist_clips->change_num_cameras(num_cameras);
264 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
267 MainWindow::~MainWindow()
269 // Empty so that we can forward-declare Player in the .h file.
272 void MainWindow::cue_in_clicked()
274 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
275 cliplist_clips->mutable_back()->pts_in = current_pts;
278 clip.pts_in = max<int64_t>(current_pts - lrint(global_flags.cue_point_padding_seconds * TIMEBASE), 0);
279 cliplist_clips->add_clip(clip);
280 playlist_selection_changed();
283 // Select the item so that we can jog it.
284 ui->clip_list->setFocus();
285 QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::IN));
286 ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
287 ui->clip_list->scrollToBottom();
290 void MainWindow::cue_out_clicked()
292 if (cliplist_clips->empty()) {
296 cliplist_clips->mutable_back()->pts_out = current_pts + lrint(global_flags.cue_point_padding_seconds * TIMEBASE);
298 // Select the item so that we can jog it.
299 ui->clip_list->setFocus();
300 QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::OUT));
301 ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
302 ui->clip_list->scrollToBottom();
305 void MainWindow::queue_clicked()
307 if (cliplist_clips->empty()) {
311 QItemSelectionModel *selected = ui->clip_list->selectionModel();
312 if (!selected->hasSelection()) {
313 Clip clip = *cliplist_clips->back();
315 if (clip.pts_out != -1) {
316 playlist_clips->add_clip(clip);
317 playlist_selection_changed();
318 ui->playlist->scrollToBottom();
323 QModelIndex index = selected->currentIndex();
324 Clip clip = *cliplist_clips->clip(index.row());
325 if (cliplist_clips->is_camera_column(index.column())) {
326 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
328 clip.stream_idx = ui->preview_display->get_stream_idx();
331 if (clip.pts_out != -1) {
332 playlist_clips->add_clip(clip);
333 playlist_selection_changed();
334 ui->playlist->scrollToBottom();
335 if (!ui->playlist->selectionModel()->hasSelection()) {
336 // TODO: Figure out why this doesn't always seem to actually select the row.
337 QModelIndex bottom = playlist_clips->index(playlist_clips->size() - 1, 0);
338 ui->playlist->setCurrentIndex(bottom);
343 void MainWindow::preview_clicked()
345 if (ui->playlist->hasFocus()) {
346 // Allow the playlist as preview iff it has focus and something is selected.
347 QItemSelectionModel *selected = ui->playlist->selectionModel();
348 if (selected->hasSelection()) {
349 QModelIndex index = selected->currentIndex();
350 const Clip &clip = *playlist_clips->clip(index.row());
351 preview_player->play(clip);
356 if (cliplist_clips->empty())
359 QItemSelectionModel *selected = ui->clip_list->selectionModel();
360 if (!selected->hasSelection()) {
361 preview_player->play(*cliplist_clips->back());
365 QModelIndex index = selected->currentIndex();
366 Clip clip = *cliplist_clips->clip(index.row());
367 if (cliplist_clips->is_camera_column(index.column())) {
368 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
370 clip.stream_idx = ui->preview_display->get_stream_idx();
372 preview_player->play(clip);
375 void MainWindow::preview_angle_clicked(unsigned stream_idx)
377 preview_player->override_angle(stream_idx);
379 // Change the selection if we were previewing a clip from the clip list.
380 // (The only other thing we could be showing is a pts scrub, and if so,
381 // that would be selected.)
382 QItemSelectionModel *selected = ui->clip_list->selectionModel();
383 if (selected->hasSelection()) {
384 QModelIndex cell = selected->selectedIndexes()[0];
385 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
386 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
390 void MainWindow::playlist_duplicate()
392 QItemSelectionModel *selected = ui->playlist->selectionModel();
393 if (!selected->hasSelection()) {
394 // Should have been grayed out, but OK.
397 QModelIndexList rows = selected->selectedRows();
398 int first = rows.front().row(), last = rows.back().row();
399 playlist_clips->duplicate_clips(first, last);
400 playlist_selection_changed();
403 void MainWindow::playlist_remove()
405 QItemSelectionModel *selected = ui->playlist->selectionModel();
406 if (!selected->hasSelection()) {
407 // Should have been grayed out, but OK.
410 QModelIndexList rows = selected->selectedRows();
411 int first = rows.front().row(), last = rows.back().row();
412 playlist_clips->erase_clips(first, last);
414 // TODO: select the next one in the list?
416 playlist_selection_changed();
419 void MainWindow::playlist_move(int delta)
421 QItemSelectionModel *selected = ui->playlist->selectionModel();
422 if (!selected->hasSelection()) {
423 // Should have been grayed out, but OK.
427 QModelIndexList rows = selected->selectedRows();
428 int first = rows.front().row(), last = rows.back().row();
429 if ((delta == -1 && first == 0) ||
430 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
431 // Should have been grayed out, but OK.
435 playlist_clips->move_clips(first, last, delta);
436 playlist_selection_changed();
439 void MainWindow::defer_timer_expired()
441 state_changed(deferred_state);
444 void MainWindow::content_changed()
446 // If we are playing, update the part of the playlist that's not playing yet.
447 vector<ClipWithID> clips;
448 for (unsigned row = 0; row < playlist_clips->size(); ++row) {
449 clips.emplace_back(*playlist_clips->clip_with_id(row));
451 live_player->splice_play(clips);
453 // Serialize the state.
454 if (defer_timeout->isActive() &&
455 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
456 // There's some deferred event waiting, but this event is unrelated.
457 // So it's time to short-circuit that timer and do the work it wanted to do.
458 defer_timeout->stop();
459 state_changed(deferred_state);
462 *state.mutable_clip_list() = cliplist_clips->serialize();
463 *state.mutable_play_list() = playlist_clips->serialize();
464 if (currently_deferring_model_changes) {
465 deferred_change_id = current_change_id;
466 deferred_state = std::move(state);
467 defer_timeout->start(200);
470 state_changed(state);
473 void MainWindow::state_changed(const StateProto &state)
475 db.store_state(state);
478 ui->redo_action->setEnabled(false);
480 undo_stack.push_back(state);
481 ui->undo_action->setEnabled(undo_stack.size() > 1);
483 // Make sure it doesn't grow without bounds.
484 while (undo_stack.size() >= 100) {
485 undo_stack.pop_front();
489 void MainWindow::save_settings()
491 SettingsProto settings;
492 settings.set_interpolation_quality(global_flags.interpolation_quality + 1);
493 settings.set_cue_point_padding_seconds(global_flags.cue_point_padding_seconds);
494 db.store_settings(settings);
497 void MainWindow::play_clicked()
499 if (playlist_clips->empty())
502 QItemSelectionModel *selected = ui->playlist->selectionModel();
504 if (!selected->hasSelection()) {
507 start_row = selected->selectedRows(0)[0].row();
510 vector<ClipWithID> clips;
511 for (unsigned row = start_row; row < playlist_clips->size(); ++row) {
512 clips.emplace_back(*playlist_clips->clip_with_id(row));
514 live_player->play(clips);
515 playlist_clips->set_progress({ { start_row, 0.0f } });
516 ui->playlist->selectionModel()->clear();
517 playlist_selection_changed();
519 ui->stop_btn->setEnabled(true);
522 void MainWindow::stop_clicked()
525 fake_clip.pts_in = 0;
526 fake_clip.pts_out = 0;
527 playlist_clips->set_progress({});
528 live_player->play(fake_clip);
529 ui->stop_btn->setEnabled(false);
532 void MainWindow::live_player_done()
534 playlist_selection_changed();
535 playlist_clips->set_progress({});
536 ui->stop_btn->setEnabled(false);
539 void MainWindow::live_player_clip_progress(const map<uint64_t, double> &progress, double time_remaining)
541 playlist_clips->set_progress(progress);
542 set_output_status(format_duration(time_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)
727 // Only adjust pts with the wheel if the given row is selected.
728 if (!destination->hasFocus() ||
729 row != destination->selectionModel()->currentIndex().row()) {
733 currently_deferring_model_changes = true;
735 current_change_id = (watched == ui->clip_list->viewport()) ? "cliplist:" : "playlist:";
736 ClipProxy clip = (watched == ui->clip_list->viewport()) ? 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(fake_clip);
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");
824 vector<ClipWithID> clips;
825 for (size_t row = selected->selectedRows().front().row(); row < playlist_clips->size(); ++row) {
826 clips.emplace_back(*playlist_clips->clip_with_id(row));
828 double remaining = compute_total_time(clips);
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 " +
1006 to_string(flow_initialized_interpolation_quality) + "."));
1013 void MainWindow::padding_toggled(double seconds, bool checked)
1018 global_flags.cue_point_padding_seconds = seconds;
1022 void MainWindow::highlight_camera_input(int stream_idx)
1024 for (unsigned i = 0; i < num_cameras; ++i) {
1025 if (unsigned(stream_idx) == i) {
1026 displays[i].frame->setStyleSheet("background: rgb(0,255,0)");
1028 displays[i].frame->setStyleSheet("");
1033 void MainWindow::set_output_status(const string &status)
1035 ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
1036 if (live_player != nullptr) {
1037 live_player->set_pause_status(status);
1040 lock_guard<mutex> lock(queue_status_mu);
1041 queue_status = status;
1044 pair<string, string> MainWindow::get_queue_status() const
1046 lock_guard<mutex> lock(queue_status_mu);
1047 return { queue_status, "text/plain" };
1050 void MainWindow::display_frame(unsigned stream_idx, const FrameOnDisk &frame)
1052 if (stream_idx >= MAX_STREAMS) {
1053 fprintf(stderr, "WARNING: Ignoring too-high stream index %u.\n", stream_idx);
1056 if (stream_idx >= num_cameras) {
1057 post_to_main_thread_and_wait([this, stream_idx] {
1058 num_cameras = stream_idx + 1;
1059 change_num_cameras();
1062 displays[stream_idx].display->setFrame(stream_idx, frame);
1065 template<class Model>
1066 void MainWindow::replace_model(QTableView *view, Model **model, Model *new_model)
1068 QItemSelectionModel *old_selection_model = view->selectionModel();
1069 view->setModel(new_model);
1071 delete old_selection_model;
1073 connect(new_model, &Model::any_content_changed, this, &MainWindow::content_changed);
1076 void MainWindow::start_tally()
1078 http_reply = http.get(QNetworkRequest(QString::fromStdString(global_flags.tally_url)));
1079 connect(http_reply, &QNetworkReply::finished, this, &MainWindow::tally_received);
1082 void MainWindow::tally_received()
1084 unsigned time_to_next_tally_ms;
1085 if (http_reply->error()) {
1086 fprintf(stderr, "HTTP get of '%s' failed: %s\n", global_flags.tally_url.c_str(),
1087 http_reply->errorString().toStdString().c_str());
1088 ui->live_frame->setStyleSheet("");
1089 time_to_next_tally_ms = 1000;
1091 string contents = http_reply->readAll().toStdString();
1092 ui->live_frame->setStyleSheet(QString::fromStdString("background: " + contents));
1093 time_to_next_tally_ms = 100;
1095 http_reply->deleteLater();
1096 http_reply = nullptr;
1098 QTimer::singleShot(time_to_next_tally_ms, this, &MainWindow::start_tally);