1 #include "mainwindow.h"
3 #include "shared/aboutdialog.h"
5 #include "shared/disk_space_estimator.h"
7 #include "frame_on_disk.h"
9 #include "shared/post_to_main_thread.h"
10 #include "shared/timebase.h"
11 #include "ui_mainwindow.h"
13 #include <QDesktopServices>
14 #include <QMessageBox>
15 #include <QMouseEvent>
18 #include <QWheelEvent>
25 using namespace std::placeholders;
27 MainWindow *global_mainwindow = nullptr;
28 static ClipList *cliplist_clips;
29 static PlayList *playlist_clips;
31 extern int64_t current_pts;
33 MainWindow::MainWindow()
34 : ui(new Ui::MainWindow),
35 db(global_flags.working_directory + "/futatabi.db")
37 global_mainwindow = this;
41 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
42 connect(ui->manual_action, &QAction::triggered, this, &MainWindow::manual_triggered);
43 connect(ui->about_action, &QAction::triggered, this, &MainWindow::about_triggered);
45 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
46 disk_free_label = new QLabel(this);
47 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
48 ui->menuBar->setCornerWidget(disk_free_label);
50 StateProto state = db.get_state();
52 cliplist_clips = new ClipList(state.clip_list());
53 ui->clip_list->setModel(cliplist_clips);
54 connect(cliplist_clips, &ClipList::any_content_changed, this, &MainWindow::content_changed);
56 playlist_clips = new PlayList(state.play_list());
57 ui->playlist->setModel(playlist_clips);
58 connect(playlist_clips, &PlayList::any_content_changed, this, &MainWindow::content_changed);
60 // For un-highlighting when we lose focus.
61 ui->clip_list->installEventFilter(this);
63 // For scrubbing in the pts columns.
64 ui->clip_list->viewport()->installEventFilter(this);
65 ui->playlist->viewport()->installEventFilter(this);
67 QShortcut *cue_in = new QShortcut(QKeySequence(Qt::Key_A), this);
68 connect(cue_in, &QShortcut::activated, ui->cue_in_btn, &QPushButton::click);
69 connect(ui->cue_in_btn, &QPushButton::clicked, this, &MainWindow::cue_in_clicked);
71 QShortcut *cue_out = new QShortcut(QKeySequence(Qt::Key_S), this);
72 connect(cue_out, &QShortcut::activated, ui->cue_out_btn, &QPushButton::click);
73 connect(ui->cue_out_btn, &QPushButton::clicked, this, &MainWindow::cue_out_clicked);
75 QShortcut *queue = new QShortcut(QKeySequence(Qt::Key_Q), this);
76 connect(queue, &QShortcut::activated, ui->queue_btn, &QPushButton::click);
77 connect(ui->queue_btn, &QPushButton::clicked, this, &MainWindow::queue_clicked);
79 QShortcut *preview = new QShortcut(QKeySequence(Qt::Key_W), this);
80 connect(preview, &QShortcut::activated, ui->preview_btn, &QPushButton::click);
81 connect(ui->preview_btn, &QPushButton::clicked, this, &MainWindow::preview_clicked);
83 QShortcut *play = new QShortcut(QKeySequence(Qt::Key_Space), this);
84 connect(play, &QShortcut::activated, ui->play_btn, &QPushButton::click);
85 connect(ui->play_btn, &QPushButton::clicked, this, &MainWindow::play_clicked);
87 QShortcut *preview_1 = new QShortcut(QKeySequence(Qt::Key_1), this);
88 connect(preview_1, &QShortcut::activated, ui->preview_1_btn, &QPushButton::click);
89 connect(ui->input1_display, &JPEGFrameView::clicked, ui->preview_1_btn, &QPushButton::click);
90 connect(ui->preview_1_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(0); });
91 ui->input1_display->set_overlay("1");
93 QShortcut *preview_2 = new QShortcut(QKeySequence(Qt::Key_2), this);
94 connect(preview_2, &QShortcut::activated, ui->preview_2_btn, &QPushButton::click);
95 connect(ui->input2_display, &JPEGFrameView::clicked, ui->preview_2_btn, &QPushButton::click);
96 connect(ui->preview_2_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(1); });
97 ui->input2_display->set_overlay("2");
99 QShortcut *preview_3 = new QShortcut(QKeySequence(Qt::Key_3), this);
100 connect(preview_3, &QShortcut::activated, ui->preview_3_btn, &QPushButton::click);
101 connect(ui->input3_display, &JPEGFrameView::clicked, ui->preview_3_btn, &QPushButton::click);
102 connect(ui->preview_3_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(2); });
103 ui->input3_display->set_overlay("3");
105 QShortcut *preview_4 = new QShortcut(QKeySequence(Qt::Key_4), this);
106 connect(preview_4, &QShortcut::activated, ui->preview_4_btn, &QPushButton::click);
107 connect(ui->input4_display, &JPEGFrameView::clicked, ui->preview_4_btn, &QPushButton::click);
108 connect(ui->preview_4_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(3); });
109 ui->input4_display->set_overlay("4");
111 connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
113 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
114 QShortcut *delete_key = new QShortcut(QKeySequence(Qt::Key_Delete), ui->playlist);
115 connect(delete_key, &QShortcut::activated, [this] {
116 if (ui->playlist->hasFocus()) {
121 // TODO: support drag-and-drop.
122 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this]{ playlist_move(-1); });
123 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this]{ playlist_move(1); });
125 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
126 this, &MainWindow::playlist_selection_changed);
127 playlist_selection_changed(); // First time set-up.
129 preview_player.reset(new Player(ui->preview_display, /*also_output_to_stream=*/false));
130 live_player.reset(new Player(ui->live_display, /*also_output_to_stream=*/true));
131 live_player->set_done_callback([this]{
132 post_to_main_thread([this]{
133 live_player_clip_done();
136 live_player->set_next_clip_callback(bind(&MainWindow::live_player_get_next_clip, this));
137 live_player->set_progress_callback([this](const map<size_t, double> &progress) {
138 post_to_main_thread([this, progress] {
139 live_player_clip_progress(progress);
142 set_output_status("paused");
144 defer_timeout = new QTimer(this);
145 defer_timeout->setSingleShot(true);
146 connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
148 connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
149 this, &MainWindow::clip_list_selection_changed);
152 MainWindow::~MainWindow()
154 // Empty so that we can forward-declare Player in the .h file.
157 void MainWindow::cue_in_clicked()
159 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
160 cliplist_clips->mutable_back()->pts_in = current_pts;
164 clip.pts_in = current_pts;
165 cliplist_clips->add_clip(clip);
166 playlist_selection_changed();
167 ui->clip_list->scrollToBottom();
170 void MainWindow::cue_out_clicked()
172 if (!cliplist_clips->empty()) {
173 cliplist_clips->mutable_back()->pts_out = current_pts;
174 // TODO: select the row in the clip list?
178 void MainWindow::queue_clicked()
180 if (cliplist_clips->empty()) {
184 QItemSelectionModel *selected = ui->clip_list->selectionModel();
185 if (!selected->hasSelection()) {
186 Clip clip = *cliplist_clips->back();
188 if (clip.pts_out != -1) {
189 playlist_clips->add_clip(clip);
190 playlist_selection_changed();
191 ui->playlist->scrollToBottom();
196 QModelIndex index = selected->currentIndex();
197 Clip clip = *cliplist_clips->clip(index.row());
198 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
199 index.column() <= int(ClipList::Column::CAMERA_4)) {
200 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
202 clip.stream_idx = ui->preview_display->get_stream_idx();
205 if (clip.pts_out != -1) {
206 playlist_clips->add_clip(clip);
207 playlist_selection_changed();
208 ui->playlist->scrollToBottom();
209 if (!ui->playlist->selectionModel()->hasSelection()) {
210 // TODO: Figure out why this doesn't always seem to actually select the row.
211 QModelIndex bottom = playlist_clips->index(playlist_clips->size() - 1, 0);
212 ui->playlist->setCurrentIndex(bottom);
217 void MainWindow::preview_clicked()
219 if (ui->playlist->hasFocus()) {
220 // Allow the playlist as preview iff it has focus and something is selected.
221 QItemSelectionModel *selected = ui->playlist->selectionModel();
222 if (selected->hasSelection()) {
223 QModelIndex index = selected->currentIndex();
224 const Clip &clip = *playlist_clips->clip(index.row());
225 preview_player->play_clip(clip, index.row(), clip.stream_idx);
230 if (cliplist_clips->empty())
233 QItemSelectionModel *selected = ui->clip_list->selectionModel();
234 if (!selected->hasSelection()) {
235 preview_player->play_clip(*cliplist_clips->back(), cliplist_clips->size() - 1, 0);
239 QModelIndex index = selected->currentIndex();
241 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
242 index.column() <= int(ClipList::Column::CAMERA_4)) {
243 stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
245 stream_idx = ui->preview_display->get_stream_idx();
247 preview_player->play_clip(*cliplist_clips->clip(index.row()), index.row(), stream_idx);
250 void MainWindow::preview_angle_clicked(unsigned stream_idx)
252 preview_player->override_angle(stream_idx);
254 // Change the selection if we were previewing a clip from the clip list.
255 // (The only other thing we could be showing is a pts scrub, and if so,
256 // that would be selected.)
257 QItemSelectionModel *selected = ui->clip_list->selectionModel();
258 if (selected->hasSelection()) {
259 QModelIndex cell = selected->selectedIndexes()[0];
260 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
261 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
265 void MainWindow::playlist_duplicate()
267 QItemSelectionModel *selected = ui->playlist->selectionModel();
268 if (!selected->hasSelection()) {
269 // Should have been grayed out, but OK.
272 QModelIndexList rows = selected->selectedRows();
273 int first = rows.front().row(), last = rows.back().row();
274 playlist_clips->duplicate_clips(first, last);
275 playlist_selection_changed();
278 void MainWindow::playlist_remove()
280 QItemSelectionModel *selected = ui->playlist->selectionModel();
281 if (!selected->hasSelection()) {
282 // Should have been grayed out, but OK.
285 QModelIndexList rows = selected->selectedRows();
286 int first = rows.front().row(), last = rows.back().row();
287 playlist_clips->erase_clips(first, last);
289 // TODO: select the next one in the list?
291 playlist_selection_changed();
294 void MainWindow::playlist_move(int delta)
296 QItemSelectionModel *selected = ui->playlist->selectionModel();
297 if (!selected->hasSelection()) {
298 // Should have been grayed out, but OK.
302 QModelIndexList rows = selected->selectedRows();
303 int first = rows.front().row(), last = rows.back().row();
304 if ((delta == -1 && first == 0) ||
305 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
306 // Should have been grayed out, but OK.
310 playlist_clips->move_clips(first, last, delta);
311 playlist_selection_changed();
314 void MainWindow::defer_timer_expired()
316 state_changed(deferred_state);
319 void MainWindow::content_changed()
321 if (defer_timeout->isActive() &&
322 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
323 // There's some deferred event waiting, but this event is unrelated.
324 // So it's time to short-circuit that timer and do the work it wanted to do.
325 defer_timeout->stop();
326 state_changed(deferred_state);
329 *state.mutable_clip_list() = cliplist_clips->serialize();
330 *state.mutable_play_list() = playlist_clips->serialize();
331 if (currently_deferring_model_changes) {
332 deferred_change_id = current_change_id;
333 deferred_state = std::move(state);
334 defer_timeout->start(200);
337 state_changed(state);
340 void MainWindow::state_changed(const StateProto &state)
342 db.store_state(state);
345 void MainWindow::play_clicked()
347 if (playlist_clips->empty())
350 QItemSelectionModel *selected = ui->playlist->selectionModel();
352 if (!selected->hasSelection()) {
355 row = selected->selectedRows(0)[0].row();
358 const Clip &clip = *playlist_clips->clip(row);
359 live_player->play_clip(clip, row, clip.stream_idx);
360 playlist_clips->set_progress({{ row, 0.0f }});
361 playlist_clips->set_currently_playing(row, 0.0f);
362 playlist_selection_changed();
365 void MainWindow::live_player_clip_done()
367 int row = playlist_clips->get_currently_playing();
368 if (row == -1 || row == int(playlist_clips->size()) - 1) {
369 set_output_status("paused");
370 playlist_clips->set_progress({});
371 playlist_clips->set_currently_playing(-1, 0.0f);
373 playlist_clips->set_progress({{ row + 1, 0.0f }});
374 playlist_clips->set_currently_playing(row + 1, 0.0f);
378 pair<Clip, size_t> MainWindow::live_player_get_next_clip()
380 // playlist_clips can only be accessed on the main thread.
381 // Hopefully, we won't have to wait too long for this to come back.
383 // TODO: If MainWindow is in the process of being destroyed and waiting
384 // for Player to shut down, we could have a deadlock here.
385 promise<pair<Clip, size_t>> clip_promise;
386 future<pair<Clip, size_t>> clip = clip_promise.get_future();
387 post_to_main_thread([this, &clip_promise] {
388 int row = playlist_clips->get_currently_playing();
389 if (row != -1 && row < int(playlist_clips->size()) - 1) {
390 clip_promise.set_value(make_pair(*playlist_clips->clip(row + 1), row + 1));
392 clip_promise.set_value(make_pair(Clip(), 0));
398 static string format_duration(double t)
400 int t_ms = lrint(t * 1e3);
402 int ms = t_ms % 1000;
409 snprintf(buf, sizeof(buf), "%d:%02d.%03d", m, s, ms);
413 void MainWindow::live_player_clip_progress(const map<size_t, double> &progress)
415 playlist_clips->set_progress(progress);
417 // Look at the last clip and then start counting from there.
418 assert(!progress.empty());
419 auto last_it = progress.end();
421 double remaining = 0.0;
422 double last_fade_time_seconds = 0.0;
423 for (size_t row = last_it->first; row < playlist_clips->size(); ++row) {
424 const Clip clip = *playlist_clips->clip(row);
425 double clip_length = double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5; // FIXME: stop hardcoding speed.
426 if (row == last_it->first) {
427 // A clip we're playing: Subtract the part we've already played.
428 remaining = clip_length * (1.0 - last_it->second);
430 // A clip we haven't played yet: Subtract the part that's overlapping
431 // with a previous clip (due to fade).
432 remaining += max(clip_length - last_fade_time_seconds, 0.0);
434 last_fade_time_seconds = min(clip_length, clip.fade_time_seconds);
436 set_output_status(format_duration(remaining) + " left");
439 void MainWindow::resizeEvent(QResizeEvent *event)
441 QMainWindow::resizeEvent(event);
443 // Ask for a relayout, but only after the event loop is done doing relayout
444 // on everything else.
445 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
448 void MainWindow::relayout()
450 ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
451 ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
454 void set_pts_in(int64_t pts, int64_t current_pts, ClipProxy &clip)
456 pts = std::max<int64_t>(pts, 0);
457 if (clip->pts_out == -1) {
458 pts = std::min(pts, current_pts);
460 pts = std::min(pts, clip->pts_out);
465 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
467 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
468 constexpr int scrub_sensitivity = 100; // pts units per pixel.
469 constexpr int wheel_sensitivity = 100; // pts units per degree.
470 constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
472 unsigned stream_idx = ui->preview_display->get_stream_idx();
474 if (watched == ui->clip_list) {
475 if (event->type() == QEvent::FocusOut) {
476 highlight_camera_input(-1);
481 if (event->type() != QEvent::Wheel) {
482 last_mousewheel_camera_row = -1;
485 if (event->type() == QEvent::MouseButtonPress) {
486 QMouseEvent *mouse = (QMouseEvent *)event;
488 QTableView *destination;
491 if (watched == ui->clip_list->viewport()) {
492 destination = ui->clip_list;
493 type = SCRUBBING_CLIP_LIST;
494 } else if (watched == ui->playlist->viewport()) {
495 destination = ui->playlist;
496 type = SCRUBBING_PLAYLIST;
500 int column = destination->columnAt(mouse->x());
501 int row = destination->rowAt(mouse->y());
502 if (column == -1 || row == -1)
505 if (type == SCRUBBING_CLIP_LIST) {
506 if (ClipList::Column(column) == ClipList::Column::IN) {
507 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
508 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
509 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
510 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
511 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
516 if (PlayList::Column(column) == PlayList::Column::IN) {
517 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
518 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
519 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
520 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
521 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
529 scrub_column = column;
530 scrub_x_origin = mouse->x();
532 } else if (event->type() == QEvent::MouseMove) {
534 QMouseEvent *mouse = (QMouseEvent *)event;
535 int offset = mouse->x() - scrub_x_origin;
537 if (offset >= dead_zone_pixels) {
538 adjusted_offset = offset - dead_zone_pixels;
539 } else if (offset < -dead_zone_pixels) {
540 adjusted_offset = offset + dead_zone_pixels;
545 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
546 currently_deferring_model_changes = true;
547 if (scrub_type == SCRUBBING_CLIP_LIST) {
548 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
549 if (scrub_column == int(ClipList::Column::IN)) {
550 current_change_id = "cliplist:in:" + to_string(scrub_row);
551 set_pts_in(pts, current_pts, clip);
552 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
554 current_change_id = "cliplist:out" + to_string(scrub_row);
555 pts = std::max(pts, clip->pts_in);
556 pts = std::min(pts, current_pts);
558 preview_single_frame(pts, stream_idx, LAST_BEFORE);
561 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
562 if (scrub_column == int(PlayList::Column::IN)) {
563 current_change_id = "playlist:in:" + to_string(scrub_row);
564 set_pts_in(pts, current_pts, clip);
565 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
567 current_change_id = "playlist:out:" + to_string(scrub_row);
568 pts = std::max(pts, clip->pts_in);
569 pts = std::min(pts, current_pts);
571 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
574 currently_deferring_model_changes = false;
576 return true; // Don't use this mouse movement for selecting things.
578 } else if (event->type() == QEvent::Wheel) {
579 QWheelEvent *wheel = (QWheelEvent *)event;
581 QTableView *destination;
582 int in_column, out_column, camera_column;
583 if (watched == ui->clip_list->viewport()) {
584 destination = ui->clip_list;
585 in_column = int(ClipList::Column::IN);
586 out_column = int(ClipList::Column::OUT);
588 last_mousewheel_camera_row = -1;
589 } else if (watched == ui->playlist->viewport()) {
590 destination = ui->playlist;
591 in_column = int(PlayList::Column::IN);
592 out_column = int(PlayList::Column::OUT);
593 camera_column = int(PlayList::Column::CAMERA);
595 last_mousewheel_camera_row = -1;
598 int column = destination->columnAt(wheel->x());
599 int row = destination->rowAt(wheel->y());
600 if (column == -1 || row == -1) return false;
602 // Only adjust pts with the wheel if the given row is selected.
603 if (!destination->hasFocus() ||
604 row != destination->selectionModel()->currentIndex().row()) {
608 currently_deferring_model_changes = true;
610 current_change_id = (watched == ui->clip_list->viewport()) ? "cliplist:" : "playlist:";
611 ClipProxy clip = (watched == ui->clip_list->viewport()) ?
612 cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
613 if (watched == ui->playlist->viewport()) {
614 stream_idx = clip->stream_idx;
617 if (column != camera_column) {
618 last_mousewheel_camera_row = -1;
620 if (column == in_column) {
621 current_change_id += "in:" + to_string(row);
622 int64_t pts = clip->pts_in + wheel->angleDelta().y() * wheel_sensitivity;
623 set_pts_in(pts, current_pts, clip);
624 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
625 } else if (column == out_column) {
626 current_change_id += "out:" + to_string(row);
627 int64_t pts = clip->pts_out + wheel->angleDelta().y() * wheel_sensitivity;
628 pts = std::max(pts, clip->pts_in);
629 pts = std::min(pts, current_pts);
631 preview_single_frame(pts, stream_idx, LAST_BEFORE);
632 } else if (column == camera_column) {
633 current_change_id += "camera:" + to_string(row);
634 int angle_degrees = wheel->angleDelta().y();
635 if (last_mousewheel_camera_row == row) {
636 angle_degrees += leftover_angle_degrees;
639 int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
640 stream_idx = std::max(stream_idx, 0);
641 stream_idx = std::min(stream_idx, NUM_CAMERAS - 1);
642 clip->stream_idx = stream_idx;
644 last_mousewheel_camera_row = row;
645 leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
647 // Don't update the live view, that's rarely what the operator wants.
650 currently_deferring_model_changes = false;
651 return true; // Don't scroll.
652 } else if (event->type() == QEvent::MouseButtonRelease) {
658 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
660 if (rounding == LAST_BEFORE) {
661 lock_guard<mutex> lock(frame_mu);
662 if (frames[stream_idx].empty())
664 auto it = lower_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts,
665 [](const FrameOnDisk &frame, int64_t pts) { return frame.pts < pts; });
666 if (it != frames[stream_idx].end()) {
670 assert(rounding == FIRST_AT_OR_AFTER);
671 lock_guard<mutex> lock(frame_mu);
672 if (frames[stream_idx].empty())
674 auto it = upper_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts - 1,
675 [](int64_t pts, const FrameOnDisk &frame) { return pts < frame.pts; });
676 if (it != frames[stream_idx].end()) {
682 fake_clip.pts_in = pts;
683 fake_clip.pts_out = pts + 1;
684 preview_player->play_clip(fake_clip, 0, stream_idx);
687 void MainWindow::playlist_selection_changed()
689 QItemSelectionModel *selected = ui->playlist->selectionModel();
690 bool any_selected = selected->hasSelection();
691 ui->playlist_duplicate_btn->setEnabled(any_selected);
692 ui->playlist_remove_btn->setEnabled(any_selected);
693 ui->playlist_move_up_btn->setEnabled(
694 any_selected && selected->selectedRows().front().row() > 0);
695 ui->playlist_move_down_btn->setEnabled(
696 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
697 ui->play_btn->setEnabled(!playlist_clips->empty());
700 set_output_status("paused");
702 double remaining = 0.0;
703 for (int row = selected->selectedRows().front().row(); row < int(playlist_clips->size()); ++row) {
704 const Clip clip = *playlist_clips->clip(row);
705 remaining += double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5; // FIXME: stop hardcoding speed.
707 set_output_status(format_duration(remaining) + " ready");
711 void MainWindow::clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &)
713 int camera_selected = -1;
714 if (current.column() >= int(ClipList::Column::CAMERA_1) &&
715 current.column() <= int(ClipList::Column::CAMERA_4)) {
716 camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
718 highlight_camera_input(camera_selected);
721 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
724 if (estimated_seconds_left < 60.0) {
725 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
726 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
727 int s = lrintf(estimated_seconds_left);
730 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
731 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
732 int m = lrintf(estimated_seconds_left / 60.0);
733 snprintf(time_str, sizeof(time_str), "%dm", m);
734 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
735 int m = lrintf(estimated_seconds_left / 60.0);
738 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
739 } else { // More than ten hours: Xh.
740 int h = lrintf(estimated_seconds_left / 3600.0);
741 snprintf(time_str, sizeof(time_str), "%dh", h);
744 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
746 std::string label = buf;
748 post_to_main_thread([this, label] {
749 disk_free_label->setText(QString::fromStdString(label));
750 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
754 void MainWindow::exit_triggered()
759 void MainWindow::manual_triggered()
761 if (!QDesktopServices::openUrl(QUrl("https://nageru.sesse.net/doc/"))) {
763 msgbox.setText("Could not launch manual in web browser.\nPlease see https://nageru.sesse.net/doc/ manually.");
768 void MainWindow::about_triggered()
770 AboutDialog("Futatabi", "Multicamera slow motion video server").exec();
773 void MainWindow::highlight_camera_input(int stream_idx)
775 if (stream_idx == 0) {
776 ui->input1_frame->setStyleSheet("background: rgb(0,255,0)");
778 ui->input1_frame->setStyleSheet("");
780 if (stream_idx == 1) {
781 ui->input2_frame->setStyleSheet("background: rgb(0,255,0)");
783 ui->input2_frame->setStyleSheet("");
785 if (stream_idx == 2) {
786 ui->input3_frame->setStyleSheet("background: rgb(0,255,0)");
788 ui->input3_frame->setStyleSheet("");
790 if (stream_idx == 3) {
791 ui->input4_frame->setStyleSheet("background: rgb(0,255,0)");
793 ui->input4_frame->setStyleSheet("");
797 void MainWindow::set_output_status(const string &status)
799 ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
801 lock_guard<mutex> lock(queue_status_mu);
802 queue_status = status;
805 pair<string, string> MainWindow::get_queue_status() const {
806 lock_guard<mutex> lock(queue_status_mu);
807 return {queue_status, "text/plain"};