1 #include "mainwindow.h"
4 #include "shared/disk_space_estimator.h"
6 #include "frame_on_disk.h"
8 #include "shared/post_to_main_thread.h"
9 #include "shared/timebase.h"
10 #include "ui_mainwindow.h"
12 #include <QMouseEvent>
15 #include <QWheelEvent>
22 using namespace std::placeholders;
24 MainWindow *global_mainwindow = nullptr;
25 static ClipList *cliplist_clips;
26 static PlayList *playlist_clips;
28 extern int64_t current_pts;
30 MainWindow::MainWindow()
31 : ui(new Ui::MainWindow),
32 db(global_flags.working_directory + "/futatabi.db")
34 global_mainwindow = this;
38 connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
40 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
41 disk_free_label = new QLabel(this);
42 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
43 ui->menuBar->setCornerWidget(disk_free_label);
45 StateProto state = db.get_state();
47 cliplist_clips = new ClipList(state.clip_list());
48 ui->clip_list->setModel(cliplist_clips);
49 connect(cliplist_clips, &ClipList::any_content_changed, this, &MainWindow::content_changed);
51 playlist_clips = new PlayList(state.play_list());
52 ui->playlist->setModel(playlist_clips);
53 connect(playlist_clips, &PlayList::any_content_changed, this, &MainWindow::content_changed);
55 // For un-highlighting when we lose focus.
56 ui->clip_list->installEventFilter(this);
58 // For scrubbing in the pts columns.
59 ui->clip_list->viewport()->installEventFilter(this);
60 ui->playlist->viewport()->installEventFilter(this);
62 QShortcut *cue_in = new QShortcut(QKeySequence(Qt::Key_A), this);
63 connect(cue_in, &QShortcut::activated, ui->cue_in_btn, &QPushButton::click);
64 connect(ui->cue_in_btn, &QPushButton::clicked, this, &MainWindow::cue_in_clicked);
66 QShortcut *cue_out = new QShortcut(QKeySequence(Qt::Key_S), this);
67 connect(cue_out, &QShortcut::activated, ui->cue_out_btn, &QPushButton::click);
68 connect(ui->cue_out_btn, &QPushButton::clicked, this, &MainWindow::cue_out_clicked);
70 QShortcut *queue = new QShortcut(QKeySequence(Qt::Key_Q), this);
71 connect(queue, &QShortcut::activated, ui->queue_btn, &QPushButton::click);
72 connect(ui->queue_btn, &QPushButton::clicked, this, &MainWindow::queue_clicked);
74 QShortcut *preview = new QShortcut(QKeySequence(Qt::Key_W), this);
75 connect(preview, &QShortcut::activated, ui->preview_btn, &QPushButton::click);
76 connect(ui->preview_btn, &QPushButton::clicked, this, &MainWindow::preview_clicked);
78 QShortcut *play = new QShortcut(QKeySequence(Qt::Key_Space), this);
79 connect(play, &QShortcut::activated, ui->play_btn, &QPushButton::click);
80 connect(ui->play_btn, &QPushButton::clicked, this, &MainWindow::play_clicked);
82 QShortcut *preview_1 = new QShortcut(QKeySequence(Qt::Key_1), this);
83 connect(preview_1, &QShortcut::activated, ui->preview_1_btn, &QPushButton::click);
84 connect(ui->input1_display, &JPEGFrameView::clicked, ui->preview_1_btn, &QPushButton::click);
85 connect(ui->preview_1_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(0); });
86 ui->input1_display->set_overlay("1");
88 QShortcut *preview_2 = new QShortcut(QKeySequence(Qt::Key_2), this);
89 connect(preview_2, &QShortcut::activated, ui->preview_2_btn, &QPushButton::click);
90 connect(ui->input2_display, &JPEGFrameView::clicked, ui->preview_2_btn, &QPushButton::click);
91 connect(ui->preview_2_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(1); });
92 ui->input2_display->set_overlay("2");
94 QShortcut *preview_3 = new QShortcut(QKeySequence(Qt::Key_3), this);
95 connect(preview_3, &QShortcut::activated, ui->preview_3_btn, &QPushButton::click);
96 connect(ui->input3_display, &JPEGFrameView::clicked, ui->preview_3_btn, &QPushButton::click);
97 connect(ui->preview_3_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(2); });
98 ui->input3_display->set_overlay("3");
100 QShortcut *preview_4 = new QShortcut(QKeySequence(Qt::Key_4), this);
101 connect(preview_4, &QShortcut::activated, ui->preview_4_btn, &QPushButton::click);
102 connect(ui->input4_display, &JPEGFrameView::clicked, ui->preview_4_btn, &QPushButton::click);
103 connect(ui->preview_4_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(3); });
104 ui->input4_display->set_overlay("4");
106 connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
108 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
109 QShortcut *delete_key = new QShortcut(QKeySequence(Qt::Key_Delete), ui->playlist);
110 connect(delete_key, &QShortcut::activated, [this] {
111 if (ui->playlist->hasFocus()) {
116 // TODO: support drag-and-drop.
117 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this]{ playlist_move(-1); });
118 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this]{ playlist_move(1); });
120 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
121 this, &MainWindow::playlist_selection_changed);
122 playlist_selection_changed(); // First time set-up.
124 preview_player = new Player(ui->preview_display, /*also_output_to_stream=*/false);
125 live_player = new Player(ui->live_display, /*also_output_to_stream=*/true);
126 live_player->set_done_callback([this]{
127 post_to_main_thread([this]{
128 live_player_clip_done();
131 live_player->set_next_clip_callback(bind(&MainWindow::live_player_get_next_clip, this));
132 live_player->set_progress_callback([this](const map<size_t, double> &progress) {
133 post_to_main_thread([this, progress] {
134 live_player_clip_progress(progress);
137 set_output_status("paused");
139 defer_timeout = new QTimer(this);
140 defer_timeout->setSingleShot(true);
141 connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
143 connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
144 this, &MainWindow::clip_list_selection_changed);
147 void MainWindow::cue_in_clicked()
149 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
150 cliplist_clips->mutable_back()->pts_in = current_pts;
154 clip.pts_in = current_pts;
155 cliplist_clips->add_clip(clip);
156 playlist_selection_changed();
159 void MainWindow::cue_out_clicked()
161 if (!cliplist_clips->empty()) {
162 cliplist_clips->mutable_back()->pts_out = current_pts;
163 // TODO: select the row in the clip list?
167 void MainWindow::queue_clicked()
169 if (cliplist_clips->empty()) {
173 QItemSelectionModel *selected = ui->clip_list->selectionModel();
174 if (!selected->hasSelection()) {
175 Clip clip = *cliplist_clips->back();
177 if (clip.pts_out != -1) {
178 playlist_clips->add_clip(clip);
179 playlist_selection_changed();
184 QModelIndex index = selected->currentIndex();
185 Clip clip = *cliplist_clips->clip(index.row());
186 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
187 index.column() <= int(ClipList::Column::CAMERA_4)) {
188 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
190 clip.stream_idx = ui->preview_display->get_stream_idx();
193 if (clip.pts_out != -1) {
194 playlist_clips->add_clip(clip);
195 playlist_selection_changed();
199 void MainWindow::preview_clicked()
201 if (ui->playlist->hasFocus()) {
202 // Allow the playlist as preview iff it has focus and something is selected.
203 QItemSelectionModel *selected = ui->playlist->selectionModel();
204 if (selected->hasSelection()) {
205 QModelIndex index = selected->currentIndex();
206 const Clip &clip = *playlist_clips->clip(index.row());
207 preview_player->play_clip(clip, index.row(), clip.stream_idx);
212 if (cliplist_clips->empty())
215 QItemSelectionModel *selected = ui->clip_list->selectionModel();
216 if (!selected->hasSelection()) {
217 preview_player->play_clip(*cliplist_clips->back(), cliplist_clips->size() - 1, 0);
221 QModelIndex index = selected->currentIndex();
223 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
224 index.column() <= int(ClipList::Column::CAMERA_4)) {
225 stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
227 stream_idx = ui->preview_display->get_stream_idx();
229 preview_player->play_clip(*cliplist_clips->clip(index.row()), index.row(), stream_idx);
232 void MainWindow::preview_angle_clicked(unsigned stream_idx)
234 preview_player->override_angle(stream_idx);
236 // Change the selection if we were previewing a clip from the clip list.
237 // (The only other thing we could be showing is a pts scrub, and if so,
238 // that would be selected.)
239 QItemSelectionModel *selected = ui->clip_list->selectionModel();
240 if (selected->hasSelection()) {
241 QModelIndex cell = selected->selectedIndexes()[0];
242 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
243 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
247 void MainWindow::playlist_duplicate()
249 QItemSelectionModel *selected = ui->playlist->selectionModel();
250 if (!selected->hasSelection()) {
251 // Should have been grayed out, but OK.
254 QModelIndexList rows = selected->selectedRows();
255 int first = rows.front().row(), last = rows.back().row();
256 playlist_clips->duplicate_clips(first, last);
257 playlist_selection_changed();
260 void MainWindow::playlist_remove()
262 QItemSelectionModel *selected = ui->playlist->selectionModel();
263 if (!selected->hasSelection()) {
264 // Should have been grayed out, but OK.
267 QModelIndexList rows = selected->selectedRows();
268 int first = rows.front().row(), last = rows.back().row();
269 playlist_clips->erase_clips(first, last);
271 // TODO: select the next one in the list?
273 playlist_selection_changed();
276 void MainWindow::playlist_move(int delta)
278 QItemSelectionModel *selected = ui->playlist->selectionModel();
279 if (!selected->hasSelection()) {
280 // Should have been grayed out, but OK.
284 QModelIndexList rows = selected->selectedRows();
285 int first = rows.front().row(), last = rows.back().row();
286 if ((delta == -1 && first == 0) ||
287 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
288 // Should have been grayed out, but OK.
292 playlist_clips->move_clips(first, last, delta);
293 playlist_selection_changed();
296 void MainWindow::defer_timer_expired()
298 state_changed(deferred_state);
301 void MainWindow::content_changed()
303 if (defer_timeout->isActive() &&
304 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
305 // There's some deferred event waiting, but this event is unrelated.
306 // So it's time to short-circuit that timer and do the work it wanted to do.
307 defer_timeout->stop();
308 state_changed(deferred_state);
311 *state.mutable_clip_list() = cliplist_clips->serialize();
312 *state.mutable_play_list() = playlist_clips->serialize();
313 if (currently_deferring_model_changes) {
314 deferred_change_id = current_change_id;
315 deferred_state = std::move(state);
316 defer_timeout->start(200);
319 state_changed(state);
322 void MainWindow::state_changed(const StateProto &state)
324 db.store_state(state);
327 void MainWindow::play_clicked()
329 if (playlist_clips->empty())
332 QItemSelectionModel *selected = ui->playlist->selectionModel();
334 if (!selected->hasSelection()) {
337 row = selected->selectedRows(0)[0].row();
340 const Clip &clip = *playlist_clips->clip(row);
341 live_player->play_clip(clip, row, clip.stream_idx);
342 playlist_clips->set_progress({{ row, 0.0f }});
343 playlist_clips->set_currently_playing(row, 0.0f);
344 playlist_selection_changed();
347 void MainWindow::live_player_clip_done()
349 int row = playlist_clips->get_currently_playing();
350 if (row == -1 || row == int(playlist_clips->size()) - 1) {
351 set_output_status("paused");
352 playlist_clips->set_progress({});
353 playlist_clips->set_currently_playing(-1, 0.0f);
355 playlist_clips->set_progress({{ row + 1, 0.0f }});
356 playlist_clips->set_currently_playing(row + 1, 0.0f);
360 pair<Clip, size_t> MainWindow::live_player_get_next_clip()
362 // playlist_clips can only be accessed on the main thread.
363 // Hopefully, we won't have to wait too long for this to come back.
364 promise<pair<Clip, size_t>> clip_promise;
365 future<pair<Clip, size_t>> clip = clip_promise.get_future();
366 post_to_main_thread([this, &clip_promise] {
367 int row = playlist_clips->get_currently_playing();
368 if (row != -1 && row < int(playlist_clips->size()) - 1) {
369 clip_promise.set_value(make_pair(*playlist_clips->clip(row + 1), row + 1));
371 clip_promise.set_value(make_pair(Clip(), 0));
377 static string format_duration(double t)
379 int t_ms = lrint(t * 1e3);
381 int ms = t_ms % 1000;
388 snprintf(buf, sizeof(buf), "%d:%02d.%03d", m, s, ms);
392 void MainWindow::live_player_clip_progress(const map<size_t, double> &progress)
394 playlist_clips->set_progress(progress);
396 // Look at the last clip and then start counting from there.
397 assert(!progress.empty());
398 auto last_it = progress.end();
400 double remaining = 0.0;
401 double last_fade_time_seconds = 0.0;
402 for (size_t row = last_it->first; row < playlist_clips->size(); ++row) {
403 const Clip clip = *playlist_clips->clip(row);
404 double clip_length = double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5; // FIXME: stop hardcoding speed.
405 if (row == last_it->first) {
406 // A clip we're playing: Subtract the part we've already played.
407 remaining = clip_length * (1.0 - last_it->second);
409 // A clip we haven't played yet: Subtract the part that's overlapping
410 // with a previous clip (due to fade).
411 remaining += max(clip_length - last_fade_time_seconds, 0.0);
413 last_fade_time_seconds = min(clip_length, clip.fade_time_seconds);
415 set_output_status(format_duration(remaining) + " left");
418 void MainWindow::resizeEvent(QResizeEvent *event)
420 QMainWindow::resizeEvent(event);
422 // Ask for a relayout, but only after the event loop is done doing relayout
423 // on everything else.
424 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
427 void MainWindow::relayout()
429 ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
430 ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
433 void set_pts_in(int64_t pts, int64_t current_pts, ClipProxy &clip)
435 pts = std::max<int64_t>(pts, 0);
436 if (clip->pts_out == -1) {
437 pts = std::min(pts, current_pts);
439 pts = std::min(pts, clip->pts_out);
444 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
446 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
447 constexpr int scrub_sensitivity = 100; // pts units per pixel.
448 constexpr int wheel_sensitivity = 100; // pts units per degree.
449 constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
451 unsigned stream_idx = ui->preview_display->get_stream_idx();
453 if (watched == ui->clip_list) {
454 if (event->type() == QEvent::FocusOut) {
455 highlight_camera_input(-1);
460 if (event->type() != QEvent::Wheel) {
461 last_mousewheel_camera_row = -1;
464 if (event->type() == QEvent::MouseButtonPress) {
465 QMouseEvent *mouse = (QMouseEvent *)event;
467 QTableView *destination;
470 if (watched == ui->clip_list->viewport()) {
471 destination = ui->clip_list;
472 type = SCRUBBING_CLIP_LIST;
473 } else if (watched == ui->playlist->viewport()) {
474 destination = ui->playlist;
475 type = SCRUBBING_PLAYLIST;
479 int column = destination->columnAt(mouse->x());
480 int row = destination->rowAt(mouse->y());
481 if (column == -1 || row == -1)
484 if (type == SCRUBBING_CLIP_LIST) {
485 if (ClipList::Column(column) == ClipList::Column::IN) {
486 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
487 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
488 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
489 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
490 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
495 if (PlayList::Column(column) == PlayList::Column::IN) {
496 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
497 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
498 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
499 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
500 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
508 scrub_column = column;
509 scrub_x_origin = mouse->x();
511 } else if (event->type() == QEvent::MouseMove) {
513 QMouseEvent *mouse = (QMouseEvent *)event;
514 int offset = mouse->x() - scrub_x_origin;
516 if (offset >= dead_zone_pixels) {
517 adjusted_offset = offset - dead_zone_pixels;
518 } else if (offset < -dead_zone_pixels) {
519 adjusted_offset = offset + dead_zone_pixels;
524 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
525 currently_deferring_model_changes = true;
526 if (scrub_type == SCRUBBING_CLIP_LIST) {
527 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
528 if (scrub_column == int(ClipList::Column::IN)) {
529 current_change_id = "cliplist:in:" + to_string(scrub_row);
530 set_pts_in(pts, current_pts, clip);
531 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
533 current_change_id = "cliplist:out" + to_string(scrub_row);
534 pts = std::max(pts, clip->pts_in);
535 pts = std::min(pts, current_pts);
537 preview_single_frame(pts, stream_idx, LAST_BEFORE);
540 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
541 if (scrub_column == int(PlayList::Column::IN)) {
542 current_change_id = "playlist:in:" + to_string(scrub_row);
543 set_pts_in(pts, current_pts, clip);
544 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
546 current_change_id = "playlist:out:" + to_string(scrub_row);
547 pts = std::max(pts, clip->pts_in);
548 pts = std::min(pts, current_pts);
550 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
553 currently_deferring_model_changes = false;
555 return true; // Don't use this mouse movement for selecting things.
557 } else if (event->type() == QEvent::Wheel) {
558 QWheelEvent *wheel = (QWheelEvent *)event;
560 QTableView *destination;
561 int in_column, out_column, camera_column;
562 if (watched == ui->clip_list->viewport()) {
563 destination = ui->clip_list;
564 in_column = int(ClipList::Column::IN);
565 out_column = int(ClipList::Column::OUT);
567 last_mousewheel_camera_row = -1;
568 } else if (watched == ui->playlist->viewport()) {
569 destination = ui->playlist;
570 in_column = int(PlayList::Column::IN);
571 out_column = int(PlayList::Column::OUT);
572 camera_column = int(PlayList::Column::CAMERA);
574 last_mousewheel_camera_row = -1;
577 int column = destination->columnAt(wheel->x());
578 int row = destination->rowAt(wheel->y());
579 if (column == -1 || row == -1) return false;
581 // Only adjust pts with the wheel if the given row is selected.
582 if (!destination->hasFocus() ||
583 row != destination->selectionModel()->currentIndex().row()) {
587 currently_deferring_model_changes = true;
589 current_change_id = (watched == ui->clip_list->viewport()) ? "cliplist:" : "playlist:";
590 ClipProxy clip = (watched == ui->clip_list->viewport()) ?
591 cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
592 if (watched == ui->playlist->viewport()) {
593 stream_idx = clip->stream_idx;
596 if (column != camera_column) {
597 last_mousewheel_camera_row = -1;
599 if (column == in_column) {
600 current_change_id += "in:" + to_string(row);
601 int64_t pts = clip->pts_in + wheel->angleDelta().y() * wheel_sensitivity;
602 set_pts_in(pts, current_pts, clip);
603 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
604 } else if (column == out_column) {
605 current_change_id += "out:" + to_string(row);
606 int64_t pts = clip->pts_out + wheel->angleDelta().y() * wheel_sensitivity;
607 pts = std::max(pts, clip->pts_in);
608 pts = std::min(pts, current_pts);
610 preview_single_frame(pts, stream_idx, LAST_BEFORE);
611 } else if (column == camera_column) {
612 current_change_id += "camera:" + to_string(row);
613 int angle_degrees = wheel->angleDelta().y();
614 if (last_mousewheel_camera_row == row) {
615 angle_degrees += leftover_angle_degrees;
618 int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
619 stream_idx = std::max(stream_idx, 0);
620 stream_idx = std::min(stream_idx, NUM_CAMERAS - 1);
621 clip->stream_idx = stream_idx;
623 last_mousewheel_camera_row = row;
624 leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
626 // Don't update the live view, that's rarely what the operator wants.
629 currently_deferring_model_changes = false;
630 return true; // Don't scroll.
631 } else if (event->type() == QEvent::MouseButtonRelease) {
637 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
639 if (rounding == LAST_BEFORE) {
640 lock_guard<mutex> lock(frame_mu);
641 if (frames[stream_idx].empty())
643 auto it = lower_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts,
644 [](const FrameOnDisk &frame, int64_t pts) { return frame.pts < pts; });
645 if (it != frames[stream_idx].end()) {
649 assert(rounding == FIRST_AT_OR_AFTER);
650 lock_guard<mutex> lock(frame_mu);
651 if (frames[stream_idx].empty())
653 auto it = upper_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts - 1,
654 [](int64_t pts, const FrameOnDisk &frame) { return pts < frame.pts; });
655 if (it != frames[stream_idx].end()) {
661 fake_clip.pts_in = pts;
662 fake_clip.pts_out = pts + 1;
663 preview_player->play_clip(fake_clip, 0, stream_idx);
666 void MainWindow::playlist_selection_changed()
668 QItemSelectionModel *selected = ui->playlist->selectionModel();
669 bool any_selected = selected->hasSelection();
670 ui->playlist_duplicate_btn->setEnabled(any_selected);
671 ui->playlist_remove_btn->setEnabled(any_selected);
672 ui->playlist_move_up_btn->setEnabled(
673 any_selected && selected->selectedRows().front().row() > 0);
674 ui->playlist_move_down_btn->setEnabled(
675 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
676 ui->play_btn->setEnabled(!playlist_clips->empty());
679 set_output_status("paused");
681 double remaining = 0.0;
682 for (int row = selected->selectedRows().front().row(); row < int(playlist_clips->size()); ++row) {
683 const Clip clip = *playlist_clips->clip(row);
684 remaining += double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5; // FIXME: stop hardcoding speed.
686 set_output_status(format_duration(remaining) + " ready");
690 void MainWindow::clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &)
692 int camera_selected = -1;
693 if (current.column() >= int(ClipList::Column::CAMERA_1) &&
694 current.column() <= int(ClipList::Column::CAMERA_4)) {
695 camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
697 highlight_camera_input(camera_selected);
700 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
703 if (estimated_seconds_left < 60.0) {
704 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
705 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
706 int s = lrintf(estimated_seconds_left);
709 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
710 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
711 int m = lrintf(estimated_seconds_left / 60.0);
712 snprintf(time_str, sizeof(time_str), "%dm", m);
713 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
714 int m = lrintf(estimated_seconds_left / 60.0);
717 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
718 } else { // More than ten hours: Xh.
719 int h = lrintf(estimated_seconds_left / 3600.0);
720 snprintf(time_str, sizeof(time_str), "%dh", h);
723 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
725 std::string label = buf;
727 post_to_main_thread([this, label] {
728 disk_free_label->setText(QString::fromStdString(label));
729 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
733 void MainWindow::exit_triggered()
738 void MainWindow::highlight_camera_input(int stream_idx)
740 if (stream_idx == 0) {
741 ui->input1_frame->setStyleSheet("background: rgb(0,255,0)");
743 ui->input1_frame->setStyleSheet("");
745 if (stream_idx == 1) {
746 ui->input2_frame->setStyleSheet("background: rgb(0,255,0)");
748 ui->input2_frame->setStyleSheet("");
750 if (stream_idx == 2) {
751 ui->input3_frame->setStyleSheet("background: rgb(0,255,0)");
753 ui->input3_frame->setStyleSheet("");
755 if (stream_idx == 3) {
756 ui->input4_frame->setStyleSheet("background: rgb(0,255,0)");
758 ui->input4_frame->setStyleSheet("");
762 void MainWindow::set_output_status(const string &status)
764 ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
766 lock_guard<mutex> lock(queue_status_mu);
767 queue_status = status;
770 pair<string, string> MainWindow::get_queue_status() const {
771 lock_guard<mutex> lock(queue_status_mu);
772 return {queue_status, "text/plain"};