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 // See also enable_or_disable_preview_button().
347 if (ui->playlist->hasFocus()) {
348 // Allow the playlist as preview iff it has focus and something is selected.
349 QItemSelectionModel *selected = ui->playlist->selectionModel();
350 if (selected->hasSelection()) {
351 QModelIndex index = selected->currentIndex();
352 const Clip &clip = *playlist_clips->clip(index.row());
353 preview_player->play(clip);
358 if (cliplist_clips->empty())
361 QItemSelectionModel *selected = ui->clip_list->selectionModel();
362 if (!selected->hasSelection()) {
363 preview_player->play(*cliplist_clips->back());
367 QModelIndex index = selected->currentIndex();
368 Clip clip = *cliplist_clips->clip(index.row());
369 if (cliplist_clips->is_camera_column(index.column())) {
370 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
372 clip.stream_idx = ui->preview_display->get_stream_idx();
374 preview_player->play(clip);
377 void MainWindow::preview_angle_clicked(unsigned stream_idx)
379 preview_player->override_angle(stream_idx);
381 // Change the selection if we were previewing a clip from the clip list.
382 // (The only other thing we could be showing is a pts scrub, and if so,
383 // that would be selected.)
384 QItemSelectionModel *selected = ui->clip_list->selectionModel();
385 if (selected->hasSelection()) {
386 QModelIndex cell = selected->selectedIndexes()[0];
387 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
388 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
392 void MainWindow::playlist_duplicate()
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->duplicate_clips(first, last);
402 playlist_selection_changed();
405 void MainWindow::playlist_remove()
407 QItemSelectionModel *selected = ui->playlist->selectionModel();
408 if (!selected->hasSelection()) {
409 // Should have been grayed out, but OK.
412 QModelIndexList rows = selected->selectedRows();
413 int first = rows.front().row(), last = rows.back().row();
414 playlist_clips->erase_clips(first, last);
416 // TODO: select the next one in the list?
418 playlist_selection_changed();
421 void MainWindow::playlist_move(int delta)
423 QItemSelectionModel *selected = ui->playlist->selectionModel();
424 if (!selected->hasSelection()) {
425 // Should have been grayed out, but OK.
429 QModelIndexList rows = selected->selectedRows();
430 int first = rows.front().row(), last = rows.back().row();
431 if ((delta == -1 && first == 0) ||
432 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
433 // Should have been grayed out, but OK.
437 playlist_clips->move_clips(first, last, delta);
438 playlist_selection_changed();
441 void MainWindow::defer_timer_expired()
443 state_changed(deferred_state);
446 void MainWindow::content_changed()
448 // If we are playing, update the part of the playlist that's not playing yet.
449 vector<ClipWithID> clips;
450 for (unsigned row = 0; row < playlist_clips->size(); ++row) {
451 clips.emplace_back(*playlist_clips->clip_with_id(row));
453 live_player->splice_play(clips);
455 // Serialize the state.
456 if (defer_timeout->isActive() &&
457 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
458 // There's some deferred event waiting, but this event is unrelated.
459 // So it's time to short-circuit that timer and do the work it wanted to do.
460 defer_timeout->stop();
461 state_changed(deferred_state);
464 *state.mutable_clip_list() = cliplist_clips->serialize();
465 *state.mutable_play_list() = playlist_clips->serialize();
466 if (currently_deferring_model_changes) {
467 deferred_change_id = current_change_id;
468 deferred_state = std::move(state);
469 defer_timeout->start(200);
472 state_changed(state);
475 void MainWindow::state_changed(const StateProto &state)
477 db.store_state(state);
480 ui->redo_action->setEnabled(false);
482 undo_stack.push_back(state);
483 ui->undo_action->setEnabled(undo_stack.size() > 1);
485 // Make sure it doesn't grow without bounds.
486 while (undo_stack.size() >= 100) {
487 undo_stack.pop_front();
491 void MainWindow::save_settings()
493 SettingsProto settings;
494 settings.set_interpolation_quality(global_flags.interpolation_quality + 1);
495 settings.set_cue_point_padding_seconds(global_flags.cue_point_padding_seconds);
496 db.store_settings(settings);
499 void MainWindow::play_clicked()
501 if (playlist_clips->empty())
504 QItemSelectionModel *selected = ui->playlist->selectionModel();
506 if (!selected->hasSelection()) {
509 start_row = selected->selectedRows(0)[0].row();
512 vector<ClipWithID> clips;
513 for (unsigned row = start_row; row < playlist_clips->size(); ++row) {
514 clips.emplace_back(*playlist_clips->clip_with_id(row));
516 live_player->play(clips);
517 playlist_clips->set_progress({ { start_row, 0.0f } });
518 ui->playlist->selectionModel()->clear();
519 playlist_selection_changed();
521 ui->stop_btn->setEnabled(true);
524 void MainWindow::stop_clicked()
527 fake_clip.pts_in = 0;
528 fake_clip.pts_out = 0;
529 playlist_clips->set_progress({});
530 live_player->play(fake_clip);
531 ui->stop_btn->setEnabled(false);
534 void MainWindow::live_player_done()
536 playlist_selection_changed();
537 playlist_clips->set_progress({});
538 ui->stop_btn->setEnabled(false);
541 void MainWindow::live_player_clip_progress(const map<uint64_t, double> &progress, double time_remaining)
543 playlist_clips->set_progress(progress);
544 set_output_status(format_duration(time_remaining) + " left");
547 void MainWindow::resizeEvent(QResizeEvent *event)
549 QMainWindow::resizeEvent(event);
551 // Ask for a relayout, but only after the event loop is done doing relayout
552 // on everything else.
553 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
556 void MainWindow::relayout()
558 ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
559 ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
562 void set_pts_in(int64_t pts, int64_t current_pts, ClipProxy &clip)
564 pts = std::max<int64_t>(pts, 0);
565 if (clip->pts_out == -1) {
566 pts = std::min(pts, current_pts);
568 pts = std::min(pts, clip->pts_out);
573 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
575 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
576 constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
577 int scrub_sensitivity = 100; // pts units per pixel.
578 int wheel_sensitivity = 100; // pts units per degree.
580 if (event->type() == QEvent::FocusIn || event->type() == QEvent::FocusOut) {
581 enable_or_disable_preview_button();
584 unsigned stream_idx = ui->preview_display->get_stream_idx();
586 if (watched == ui->clip_list) {
587 if (event->type() == QEvent::FocusOut) {
588 highlight_camera_input(-1);
593 if (event->type() != QEvent::Wheel) {
594 last_mousewheel_camera_row = -1;
597 if (event->type() == QEvent::MouseButtonPress) {
598 QMouseEvent *mouse = (QMouseEvent *)event;
600 QTableView *destination;
603 if (watched == ui->clip_list->viewport()) {
604 destination = ui->clip_list;
605 type = SCRUBBING_CLIP_LIST;
606 } else if (watched == ui->playlist->viewport()) {
607 destination = ui->playlist;
608 type = SCRUBBING_PLAYLIST;
612 int column = destination->columnAt(mouse->x());
613 int row = destination->rowAt(mouse->y());
614 if (column == -1 || row == -1)
617 if (type == SCRUBBING_CLIP_LIST) {
618 if (ClipList::Column(column) == ClipList::Column::IN) {
619 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
620 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
621 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
622 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
623 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
628 if (PlayList::Column(column) == PlayList::Column::IN) {
629 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
630 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
631 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
632 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
633 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
641 scrub_column = column;
642 scrub_x_origin = mouse->x();
644 } else if (event->type() == QEvent::MouseMove) {
645 QMouseEvent *mouse = (QMouseEvent *)event;
646 if (mouse->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
647 scrub_sensitivity *= 10;
648 wheel_sensitivity *= 10;
650 if (mouse->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
651 scrub_sensitivity /= 10;
652 wheel_sensitivity /= 10;
655 int offset = mouse->x() - scrub_x_origin;
657 if (offset >= dead_zone_pixels) {
658 adjusted_offset = offset - dead_zone_pixels;
659 } else if (offset < -dead_zone_pixels) {
660 adjusted_offset = offset + dead_zone_pixels;
665 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
666 currently_deferring_model_changes = true;
667 if (scrub_type == SCRUBBING_CLIP_LIST) {
668 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
669 if (scrub_column == int(ClipList::Column::IN)) {
670 current_change_id = "cliplist:in:" + to_string(scrub_row);
671 set_pts_in(pts, current_pts, clip);
672 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
674 current_change_id = "cliplist:out" + to_string(scrub_row);
675 pts = std::max(pts, clip->pts_in);
676 pts = std::min(pts, current_pts);
678 preview_single_frame(pts, stream_idx, LAST_BEFORE);
681 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
682 if (scrub_column == int(PlayList::Column::IN)) {
683 current_change_id = "playlist:in:" + to_string(scrub_row);
684 set_pts_in(pts, current_pts, clip);
685 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
687 current_change_id = "playlist:out:" + to_string(scrub_row);
688 pts = std::max(pts, clip->pts_in);
689 pts = std::min(pts, current_pts);
691 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
694 currently_deferring_model_changes = false;
696 return true; // Don't use this mouse movement for selecting things.
698 } else if (event->type() == QEvent::Wheel) {
699 QWheelEvent *wheel = (QWheelEvent *)event;
700 int angle_delta = wheel->angleDelta().y();
701 if (wheel->modifiers() & Qt::KeyboardModifier::ShiftModifier) {
702 scrub_sensitivity *= 10;
703 wheel_sensitivity *= 10;
705 if (wheel->modifiers() & Qt::KeyboardModifier::AltModifier) { // Note: Shift + Alt cancel each other out.
706 scrub_sensitivity /= 10;
707 wheel_sensitivity /= 10;
708 angle_delta = wheel->angleDelta().x(); // Qt ickiness.
711 QTableView *destination;
712 int in_column, out_column, camera_column;
713 if (watched == ui->clip_list->viewport()) {
714 destination = ui->clip_list;
715 in_column = int(ClipList::Column::IN);
716 out_column = int(ClipList::Column::OUT);
718 last_mousewheel_camera_row = -1;
719 } else if (watched == ui->playlist->viewport()) {
720 destination = ui->playlist;
721 in_column = int(PlayList::Column::IN);
722 out_column = int(PlayList::Column::OUT);
723 camera_column = int(PlayList::Column::CAMERA);
725 last_mousewheel_camera_row = -1;
728 int column = destination->columnAt(wheel->x());
729 int row = destination->rowAt(wheel->y());
730 if (column == -1 || row == -1)
733 // Only adjust pts with the wheel if the given row is selected.
734 if (!destination->hasFocus() ||
735 row != destination->selectionModel()->currentIndex().row()) {
739 currently_deferring_model_changes = true;
741 current_change_id = (watched == ui->clip_list->viewport()) ? "cliplist:" : "playlist:";
742 ClipProxy clip = (watched == ui->clip_list->viewport()) ? cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
743 if (watched == ui->playlist->viewport()) {
744 stream_idx = clip->stream_idx;
747 if (column != camera_column) {
748 last_mousewheel_camera_row = -1;
750 if (column == in_column) {
751 current_change_id += "in:" + to_string(row);
752 int64_t pts = clip->pts_in + angle_delta * wheel_sensitivity;
753 set_pts_in(pts, current_pts, clip);
754 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
755 } else if (column == out_column) {
756 current_change_id += "out:" + to_string(row);
757 int64_t pts = clip->pts_out + angle_delta * wheel_sensitivity;
758 pts = std::max(pts, clip->pts_in);
759 pts = std::min(pts, current_pts);
761 preview_single_frame(pts, stream_idx, LAST_BEFORE);
762 } else if (column == camera_column) {
763 current_change_id += "camera:" + to_string(row);
764 int angle_degrees = angle_delta;
765 if (last_mousewheel_camera_row == row) {
766 angle_degrees += leftover_angle_degrees;
769 int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
770 stream_idx = std::max(stream_idx, 0);
771 stream_idx = std::min<int>(stream_idx, num_cameras - 1);
772 clip->stream_idx = stream_idx;
774 last_mousewheel_camera_row = row;
775 leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
777 // Don't update the live view, that's rarely what the operator wants.
780 currently_deferring_model_changes = false;
781 return true; // Don't scroll.
782 } else if (event->type() == QEvent::MouseButtonRelease) {
788 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
790 if (rounding == LAST_BEFORE) {
791 lock_guard<mutex> lock(frame_mu);
792 if (frames[stream_idx].empty())
794 auto it = find_last_frame_before(frames[stream_idx], pts);
795 if (it != frames[stream_idx].end()) {
799 assert(rounding == FIRST_AT_OR_AFTER);
800 lock_guard<mutex> lock(frame_mu);
801 if (frames[stream_idx].empty())
803 auto it = find_first_frame_at_or_after(frames[stream_idx], pts);
804 if (it != frames[stream_idx].end()) {
810 fake_clip.pts_in = pts;
811 fake_clip.pts_out = pts + 1;
812 fake_clip.stream_idx = stream_idx;
813 preview_player->play(fake_clip);
816 void MainWindow::playlist_selection_changed()
818 enable_or_disable_preview_button();
820 QItemSelectionModel *selected = ui->playlist->selectionModel();
821 bool any_selected = selected->hasSelection();
822 ui->playlist_duplicate_btn->setEnabled(any_selected);
823 ui->playlist_remove_btn->setEnabled(any_selected);
824 ui->playlist_move_up_btn->setEnabled(
825 any_selected && selected->selectedRows().front().row() > 0);
826 ui->playlist_move_down_btn->setEnabled(
827 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
828 ui->play_btn->setEnabled(!playlist_clips->empty());
831 set_output_status("paused");
833 vector<ClipWithID> clips;
834 for (size_t row = selected->selectedRows().front().row(); row < playlist_clips->size(); ++row) {
835 clips.emplace_back(*playlist_clips->clip_with_id(row));
837 double remaining = compute_total_time(clips);
838 set_output_status(format_duration(remaining) + " ready");
842 void MainWindow::clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &)
844 int camera_selected = -1;
845 if (cliplist_clips->is_camera_column(current.column())) {
846 camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
848 highlight_camera_input(camera_selected);
851 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
854 if (estimated_seconds_left < 60.0) {
855 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
856 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
857 int s = lrintf(estimated_seconds_left);
860 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
861 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
862 int m = lrintf(estimated_seconds_left / 60.0);
863 snprintf(time_str, sizeof(time_str), "%dm", m);
864 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
865 int m = lrintf(estimated_seconds_left / 60.0);
868 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
869 } else { // More than ten hours: Xh.
870 int h = lrintf(estimated_seconds_left / 3600.0);
871 snprintf(time_str, sizeof(time_str), "%dh", h);
874 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
876 std::string label = buf;
878 post_to_main_thread([this, label] {
879 disk_free_label->setText(QString::fromStdString(label));
880 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
884 void MainWindow::exit_triggered()
889 void MainWindow::export_cliplist_clip_multitrack_triggered()
891 QItemSelectionModel *selected = ui->clip_list->selectionModel();
892 if (!selected->hasSelection()) {
894 msgbox.setText("No clip selected in the clip list. Select one and try exporting again.");
899 QModelIndex index = selected->currentIndex();
900 Clip clip = *cliplist_clips->clip(index.row());
901 QString filename = QFileDialog::getSaveFileName(this,
902 "Export multitrack clip", QString(), tr("Matroska video files (*.mkv)"));
903 if (filename.isNull()) {
907 if (!filename.endsWith(".mkv")) {
910 export_multitrack_clip(filename.toStdString(), clip);
913 void MainWindow::export_playlist_clip_interpolated_triggered()
915 QItemSelectionModel *selected = ui->playlist->selectionModel();
916 if (!selected->hasSelection()) {
918 msgbox.setText("No clip selected in the playlist. Select one and try exporting again.");
923 QString filename = QFileDialog::getSaveFileName(this,
924 "Export interpolated clip", QString(), tr("Matroska video files (*.mkv)"));
925 if (filename.isNull()) {
929 if (!filename.endsWith(".mkv")) {
934 QModelIndexList rows = selected->selectedRows();
935 for (QModelIndex index : rows) {
936 clips.push_back(*playlist_clips->clip(index.row()));
938 export_interpolated_clip(filename.toStdString(), clips);
941 void MainWindow::manual_triggered()
943 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
945 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
950 void MainWindow::about_triggered()
952 AboutDialog("Futatabi", "Multicamera slow motion video server").exec();
955 void MainWindow::undo_triggered()
957 // Finish any deferred action.
958 if (defer_timeout->isActive()) {
959 defer_timeout->stop();
960 state_changed(deferred_state);
963 StateProto redo_state;
964 *redo_state.mutable_clip_list() = cliplist_clips->serialize();
965 *redo_state.mutable_play_list() = playlist_clips->serialize();
966 redo_stack.push_back(std::move(redo_state));
967 ui->redo_action->setEnabled(true);
969 assert(undo_stack.size() > 1);
971 // Pop off the current state, which is always at the top of the stack.
972 undo_stack.pop_back();
974 StateProto state = undo_stack.back();
975 ui->undo_action->setEnabled(undo_stack.size() > 1);
977 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
978 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
980 db.store_state(state);
983 void MainWindow::redo_triggered()
985 assert(!redo_stack.empty());
987 ui->undo_action->setEnabled(true);
988 ui->redo_action->setEnabled(true);
990 undo_stack.push_back(std::move(redo_stack.back()));
991 redo_stack.pop_back();
992 ui->undo_action->setEnabled(true);
993 ui->redo_action->setEnabled(!redo_stack.empty());
995 const StateProto &state = undo_stack.back();
996 replace_model(ui->clip_list, &cliplist_clips, new ClipList(state.clip_list()));
997 replace_model(ui->playlist, &playlist_clips, new PlayList(state.play_list()));
999 db.store_state(state);
1002 void MainWindow::quality_toggled(int quality, bool checked)
1007 global_flags.interpolation_quality = quality;
1008 if (quality != 0 && // Turning interpolation off is always possible.
1009 quality != flow_initialized_interpolation_quality) {
1011 msgbox.setText(QString::fromStdString(
1012 "The interpolation quality for the main output cannot be changed at runtime, "
1013 "except being turned completely off; it will take effect for exported files "
1014 "only until next restart. The live output quality thus remains at " +
1015 to_string(flow_initialized_interpolation_quality) + "."));
1022 void MainWindow::padding_toggled(double seconds, bool checked)
1027 global_flags.cue_point_padding_seconds = seconds;
1031 void MainWindow::highlight_camera_input(int stream_idx)
1033 for (unsigned i = 0; i < num_cameras; ++i) {
1034 if (unsigned(stream_idx) == i) {
1035 displays[i].frame->setStyleSheet("background: rgb(0,255,0)");
1037 displays[i].frame->setStyleSheet("");
1042 void MainWindow::enable_or_disable_preview_button()
1044 // Follows the logic in preview_clicked().
1046 if (ui->playlist->hasFocus()) {
1047 // Allow the playlist as preview iff it has focus and something is selected.
1048 // TODO: Is this part really relevant?
1049 QItemSelectionModel *selected = ui->playlist->selectionModel();
1050 if (selected->hasSelection()) {
1051 ui->preview_btn->setEnabled(true);
1056 // TODO: Perhaps only enable this if something is actually selected.
1057 ui->preview_btn->setEnabled(!cliplist_clips->empty());
1060 void MainWindow::set_output_status(const string &status)
1062 ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
1063 if (live_player != nullptr) {
1064 live_player->set_pause_status(status);
1067 lock_guard<mutex> lock(queue_status_mu);
1068 queue_status = status;
1071 pair<string, string> MainWindow::get_queue_status() const
1073 lock_guard<mutex> lock(queue_status_mu);
1074 return { queue_status, "text/plain" };
1077 void MainWindow::display_frame(unsigned stream_idx, const FrameOnDisk &frame)
1079 if (stream_idx >= MAX_STREAMS) {
1080 fprintf(stderr, "WARNING: Ignoring too-high stream index %u.\n", stream_idx);
1083 if (stream_idx >= num_cameras) {
1084 post_to_main_thread_and_wait([this, stream_idx] {
1085 num_cameras = stream_idx + 1;
1086 change_num_cameras();
1089 displays[stream_idx].display->setFrame(stream_idx, frame);
1092 template<class Model>
1093 void MainWindow::replace_model(QTableView *view, Model **model, Model *new_model)
1095 QItemSelectionModel *old_selection_model = view->selectionModel();
1096 view->setModel(new_model);
1098 delete old_selection_model;
1100 connect(new_model, &Model::any_content_changed, this, &MainWindow::content_changed);
1103 void MainWindow::start_tally()
1105 http_reply = http.get(QNetworkRequest(QString::fromStdString(global_flags.tally_url)));
1106 connect(http_reply, &QNetworkReply::finished, this, &MainWindow::tally_received);
1109 void MainWindow::tally_received()
1111 unsigned time_to_next_tally_ms;
1112 if (http_reply->error()) {
1113 fprintf(stderr, "HTTP get of '%s' failed: %s\n", global_flags.tally_url.c_str(),
1114 http_reply->errorString().toStdString().c_str());
1115 ui->live_frame->setStyleSheet("");
1116 time_to_next_tally_ms = 1000;
1118 string contents = http_reply->readAll().toStdString();
1119 ui->live_frame->setStyleSheet(QString::fromStdString("background: " + contents));
1120 time_to_next_tally_ms = 100;
1122 http_reply->deleteLater();
1123 http_reply = nullptr;
1125 QTimer::singleShot(time_to_next_tally_ms, this, &MainWindow::start_tally);