1 #include "mainwindow.h"
4 #include "disk_space_estimator.h"
6 #include "post_to_main_thread.h"
8 #include "ui_mainwindow.h"
13 #include <QMouseEvent>
14 #include <QWheelEvent>
21 using namespace std::placeholders;
23 MainWindow *global_mainwindow = nullptr;
24 ClipList *cliplist_clips;
25 PlayList *playlist_clips;
27 extern int64_t current_pts;
28 extern mutex frame_mu;
29 extern vector<int64_t> frames[MAX_STREAMS];
31 MainWindow::MainWindow()
32 : ui(new Ui::MainWindow),
35 global_mainwindow = this;
38 global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
39 disk_free_label = new QLabel(this);
40 disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
41 ui->menuBar->setCornerWidget(disk_free_label);
43 StateProto state = db.get_state();
45 cliplist_clips = new ClipList(state.clip_list());
46 ui->clip_list->setModel(cliplist_clips);
47 connect(cliplist_clips, &ClipList::any_content_changed, this, &MainWindow::content_changed);
49 playlist_clips = new PlayList(state.play_list());
50 ui->playlist->setModel(playlist_clips);
51 connect(playlist_clips, &PlayList::any_content_changed, this, &MainWindow::content_changed);
53 // For scrubbing in the pts columns.
54 ui->clip_list->viewport()->installEventFilter(this);
55 ui->playlist->viewport()->installEventFilter(this);
57 QShortcut *cue_in = new QShortcut(QKeySequence(Qt::Key_A), this);
58 connect(cue_in, &QShortcut::activated, ui->cue_in_btn, &QPushButton::click);
59 connect(ui->cue_in_btn, &QPushButton::clicked, this, &MainWindow::cue_in_clicked);
61 QShortcut *cue_out = new QShortcut(QKeySequence(Qt::Key_S), this);
62 connect(cue_out, &QShortcut::activated, ui->cue_out_btn, &QPushButton::click);
63 connect(ui->cue_out_btn, &QPushButton::clicked, this, &MainWindow::cue_out_clicked);
65 QShortcut *queue = new QShortcut(QKeySequence(Qt::Key_Q), this);
66 connect(queue, &QShortcut::activated, ui->queue_btn, &QPushButton::click);
67 connect(ui->queue_btn, &QPushButton::clicked, this, &MainWindow::queue_clicked);
69 QShortcut *preview = new QShortcut(QKeySequence(Qt::Key_W), this);
70 connect(preview, &QShortcut::activated, ui->preview_btn, &QPushButton::click);
71 connect(ui->preview_btn, &QPushButton::clicked, this, &MainWindow::preview_clicked);
73 QShortcut *play = new QShortcut(QKeySequence(Qt::Key_Space), this);
74 connect(play, &QShortcut::activated, ui->play_btn, &QPushButton::click);
75 connect(ui->play_btn, &QPushButton::clicked, this, &MainWindow::play_clicked);
77 QShortcut *preview_1 = new QShortcut(QKeySequence(Qt::Key_1), this);
78 connect(preview_1, &QShortcut::activated, ui->preview_1_btn, &QPushButton::click);
79 connect(ui->input1_display, &JPEGFrameView::clicked, ui->preview_1_btn, &QPushButton::click);
80 connect(ui->preview_1_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(0); });
81 ui->input1_display->set_overlay("1");
83 QShortcut *preview_2 = new QShortcut(QKeySequence(Qt::Key_2), this);
84 connect(preview_2, &QShortcut::activated, ui->preview_2_btn, &QPushButton::click);
85 connect(ui->input2_display, &JPEGFrameView::clicked, ui->preview_2_btn, &QPushButton::click);
86 connect(ui->preview_2_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(1); });
87 ui->input2_display->set_overlay("2");
89 QShortcut *preview_3 = new QShortcut(QKeySequence(Qt::Key_3), this);
90 connect(preview_3, &QShortcut::activated, ui->preview_3_btn, &QPushButton::click);
91 connect(ui->input3_display, &JPEGFrameView::clicked, ui->preview_3_btn, &QPushButton::click);
92 connect(ui->preview_3_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(2); });
93 ui->input3_display->set_overlay("3");
95 QShortcut *preview_4 = new QShortcut(QKeySequence(Qt::Key_4), this);
96 connect(preview_4, &QShortcut::activated, ui->preview_4_btn, &QPushButton::click);
97 connect(ui->input4_display, &JPEGFrameView::clicked, ui->preview_4_btn, &QPushButton::click);
98 connect(ui->preview_4_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(3); });
99 ui->input4_display->set_overlay("4");
101 connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
103 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
104 QShortcut *delete_key = new QShortcut(QKeySequence(Qt::Key_Delete), ui->playlist);
105 connect(delete_key, &QShortcut::activated, [this] {
106 if (ui->playlist->hasFocus()) {
111 // TODO: support drag-and-drop.
112 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this]{ playlist_move(-1); });
113 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this]{ playlist_move(1); });
115 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
116 this, &MainWindow::playlist_selection_changed);
117 playlist_selection_changed(); // First time set-up.
119 preview_player = new Player(ui->preview_display, /*also_output_to_stream=*/false);
120 live_player = new Player(ui->live_display, /*also_output_to_stream=*/true);
121 live_player->set_done_callback([this]{
122 post_to_main_thread([this]{
123 live_player_clip_done();
126 live_player->set_progress_callback([this](double played_this_clip, double total_length) {
127 post_to_main_thread([this, played_this_clip, total_length] {
128 live_player_clip_progress(played_this_clip, total_length);
132 defer_timeout = new QTimer(this);
133 defer_timeout->setSingleShot(true);
134 connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
137 void MainWindow::cue_in_clicked()
139 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
140 cliplist_clips->mutable_back()->pts_in = current_pts;
144 clip.pts_in = current_pts;
145 cliplist_clips->add_clip(clip);
146 playlist_selection_changed();
149 void MainWindow::cue_out_clicked()
151 if (!cliplist_clips->empty()) {
152 cliplist_clips->mutable_back()->pts_out = current_pts;
153 // TODO: select the row in the clip list?
157 void MainWindow::queue_clicked()
159 if (cliplist_clips->empty()) {
163 QItemSelectionModel *selected = ui->clip_list->selectionModel();
164 if (!selected->hasSelection()) {
165 Clip clip = *cliplist_clips->back();
167 if (clip.pts_out != -1) {
168 playlist_clips->add_clip(clip);
169 playlist_selection_changed();
174 QModelIndex index = selected->currentIndex();
175 Clip clip = *cliplist_clips->clip(index.row());
176 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
177 index.column() <= int(ClipList::Column::CAMERA_4)) {
178 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
180 clip.stream_idx = ui->preview_display->get_stream_idx();
183 if (clip.pts_out != -1) {
184 playlist_clips->add_clip(clip);
185 playlist_selection_changed();
189 void MainWindow::preview_clicked()
191 if (cliplist_clips->empty()) return;
193 QItemSelectionModel *selected = ui->clip_list->selectionModel();
194 if (!selected->hasSelection()) {
195 preview_player->play_clip(*cliplist_clips->back(), 0);
199 QModelIndex index = selected->currentIndex();
201 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
202 index.column() <= int(ClipList::Column::CAMERA_4)) {
203 stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
205 stream_idx = ui->preview_display->get_stream_idx();
207 preview_player->play_clip(*cliplist_clips->clip(index.row()), stream_idx);
210 void MainWindow::preview_angle_clicked(unsigned stream_idx)
212 preview_player->override_angle(stream_idx);
214 // Change the selection if we were previewing a clip from the clip list.
215 // (The only other thing we could be showing is a pts scrub, and if so,
216 // that would be selected.)
217 QItemSelectionModel *selected = ui->clip_list->selectionModel();
218 if (selected->hasSelection()) {
219 QModelIndex cell = selected->selectedIndexes()[0];
220 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
221 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
225 void MainWindow::playlist_duplicate()
227 QItemSelectionModel *selected = ui->playlist->selectionModel();
228 if (!selected->hasSelection()) {
229 // Should have been grayed out, but OK.
232 QModelIndexList rows = selected->selectedRows();
233 int first = rows.front().row(), last = rows.back().row();
234 playlist_clips->duplicate_clips(first, last);
235 playlist_selection_changed();
238 void MainWindow::playlist_remove()
240 QItemSelectionModel *selected = ui->playlist->selectionModel();
241 if (!selected->hasSelection()) {
242 // Should have been grayed out, but OK.
245 QModelIndexList rows = selected->selectedRows();
246 int first = rows.front().row(), last = rows.back().row();
247 playlist_clips->erase_clips(first, last);
249 // TODO: select the next one in the list?
251 playlist_selection_changed();
254 void MainWindow::playlist_move(int delta)
256 QItemSelectionModel *selected = ui->playlist->selectionModel();
257 if (!selected->hasSelection()) {
258 // Should have been grayed out, but OK.
262 QModelIndexList rows = selected->selectedRows();
263 int first = rows.front().row(), last = rows.back().row();
264 if ((delta == -1 && first == 0) ||
265 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
266 // Should have been grayed out, but OK.
270 playlist_clips->move_clips(first, last, delta);
271 playlist_selection_changed();
274 void MainWindow::defer_timer_expired()
276 state_changed(deferred_state);
279 void MainWindow::content_changed()
281 if (defer_timeout->isActive() &&
282 (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
283 // There's some deferred event waiting, but this event is unrelated.
284 // So it's time to short-circuit that timer and do the work it wanted to do.
285 defer_timeout->stop();
286 state_changed(deferred_state);
289 *state.mutable_clip_list() = cliplist_clips->serialize();
290 *state.mutable_play_list() = playlist_clips->serialize();
291 if (currently_deferring_model_changes) {
292 deferred_change_id = current_change_id;
293 deferred_state = std::move(state);
294 defer_timeout->start(200);
297 state_changed(state);
300 void MainWindow::state_changed(const StateProto &state)
302 db.store_state(state);
305 void MainWindow::play_clicked()
307 if (playlist_clips->empty()) return;
309 QItemSelectionModel *selected = ui->playlist->selectionModel();
311 if (!selected->hasSelection()) {
314 row = selected->selectedRows(0)[0].row();
317 const Clip &clip = *playlist_clips->clip(row);
318 live_player->play_clip(clip, clip.stream_idx);
319 playlist_clips->set_currently_playing(row, 0.0f);
320 playlist_selection_changed();
323 void MainWindow::live_player_clip_done()
325 int row = playlist_clips->get_currently_playing();
326 if (row != -1 && row < int(playlist_clips->size()) - 1) {
328 const Clip &clip = *playlist_clips->clip(row);
329 live_player->play_clip(clip, clip.stream_idx);
330 playlist_clips->set_currently_playing(row, 0.0f);
332 playlist_clips->set_currently_playing(-1, 0.0f);
333 ui->live_label->setText("Current output (paused)");
337 void MainWindow::live_player_clip_progress(double played_this_clip, double total_length)
339 playlist_clips->set_currently_playing(playlist_clips->get_currently_playing(), played_this_clip / total_length);
341 double remaining = total_length - played_this_clip;
342 for (int row = playlist_clips->get_currently_playing() + 1; row < int(playlist_clips->size()); ++row) {
343 const Clip clip = *playlist_clips->clip(row);
344 remaining += double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5; // FIXME: stop hardcoding speed.
346 int remaining_ms = lrint(remaining * 1e3);
348 int ms = remaining_ms % 1000;
349 remaining_ms /= 1000;
350 int s = remaining_ms % 60;
352 int m = remaining_ms;
355 snprintf(buf, sizeof(buf), "Current output (%d:%02d.%03d left)", m, s, ms);
356 ui->live_label->setText(buf);
359 void MainWindow::resizeEvent(QResizeEvent *event)
361 QMainWindow::resizeEvent(event);
363 // Ask for a relayout, but only after the event loop is done doing relayout
364 // on everything else.
365 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
368 void MainWindow::relayout()
370 ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
371 ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
374 void set_pts_in(int64_t pts, int64_t current_pts, ClipProxy &clip)
376 pts = std::max<int64_t>(pts, 0);
377 if (clip->pts_out == -1) {
378 pts = std::min(pts, current_pts);
380 pts = std::min(pts, clip->pts_out);
385 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
387 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
388 constexpr int scrub_sensitivity = 100; // pts units per pixel.
389 constexpr int wheel_sensitivity = 100; // pts units per degree.
390 constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
392 unsigned stream_idx = ui->preview_display->get_stream_idx();
394 if (event->type() != QEvent::Wheel) {
395 last_mousewheel_camera_row = -1;
398 if (event->type() == QEvent::MouseButtonPress) {
399 QMouseEvent *mouse = (QMouseEvent *)event;
401 QTableView *destination;
404 if (watched == ui->clip_list->viewport()) {
405 destination = ui->clip_list;
406 type = SCRUBBING_CLIP_LIST;
407 } else if (watched == ui->playlist->viewport()) {
408 destination = ui->playlist;
409 type = SCRUBBING_PLAYLIST;
413 int column = destination->columnAt(mouse->x());
414 int row = destination->rowAt(mouse->y());
415 if (column == -1 || row == -1) return false;
417 if (type == SCRUBBING_CLIP_LIST) {
418 if (ClipList::Column(column) == ClipList::Column::IN) {
419 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
420 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
421 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
422 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
423 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
428 if (PlayList::Column(column) == PlayList::Column::IN) {
429 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
430 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
431 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
432 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
433 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
441 scrub_column = column;
442 scrub_x_origin = mouse->x();
444 } else if (event->type() == QEvent::MouseMove) {
446 QMouseEvent *mouse = (QMouseEvent *)event;
447 int offset = mouse->x() - scrub_x_origin;
449 if (offset >= dead_zone_pixels) {
450 adjusted_offset = offset - dead_zone_pixels;
451 } else if (offset < -dead_zone_pixels) {
452 adjusted_offset = offset + dead_zone_pixels;
457 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
458 currently_deferring_model_changes = true;
459 if (scrub_type == SCRUBBING_CLIP_LIST) {
460 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
461 if (scrub_column == int(ClipList::Column::IN)) {
462 current_change_id = "cliplist:in:" + to_string(scrub_row);
463 set_pts_in(pts, current_pts, clip);
464 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
466 current_change_id = "cliplist:out" + to_string(scrub_row);
467 pts = std::max(pts, clip->pts_in);
468 pts = std::min(pts, current_pts);
470 preview_single_frame(pts, stream_idx, LAST_BEFORE);
473 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
474 if (scrub_column == int(PlayList::Column::IN)) {
475 current_change_id = "playlist:in:" + to_string(scrub_row);
476 set_pts_in(pts, current_pts, clip);
477 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
479 current_change_id = "playlist:out:" + to_string(scrub_row);
480 pts = std::max(pts, clip->pts_in);
481 pts = std::min(pts, current_pts);
483 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
486 currently_deferring_model_changes = false;
488 return true; // Don't use this mouse movement for selecting things.
490 } else if (event->type() == QEvent::Wheel) {
491 QWheelEvent *wheel = (QWheelEvent *)event;
493 QTableView *destination;
494 int in_column, out_column, camera_column;
495 if (watched == ui->clip_list->viewport()) {
496 destination = ui->clip_list;
497 in_column = int(ClipList::Column::IN);
498 out_column = int(ClipList::Column::OUT);
500 last_mousewheel_camera_row = -1;
501 } else if (watched == ui->playlist->viewport()) {
502 destination = ui->playlist;
503 in_column = int(PlayList::Column::IN);
504 out_column = int(PlayList::Column::OUT);
505 camera_column = int(PlayList::Column::CAMERA);
507 last_mousewheel_camera_row = -1;
510 int column = destination->columnAt(wheel->x());
511 int row = destination->rowAt(wheel->y());
512 if (column == -1 || row == -1) return false;
514 currently_deferring_model_changes = true;
516 current_change_id = (watched == ui->clip_list->viewport()) ? "cliplist:" : "playlist:";
517 ClipProxy clip = (watched == ui->clip_list->viewport()) ?
518 cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
519 if (watched == ui->playlist->viewport()) {
520 stream_idx = clip->stream_idx;
523 if (column != camera_column) {
524 last_mousewheel_camera_row = -1;
526 if (column == in_column) {
527 current_change_id += "in:" + to_string(row);
528 int64_t pts = clip->pts_in + wheel->angleDelta().y() * wheel_sensitivity;
529 set_pts_in(pts, current_pts, clip);
530 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
531 } else if (column == out_column) {
532 current_change_id += "out:" + to_string(row);
533 int64_t pts = clip->pts_out + wheel->angleDelta().y() * wheel_sensitivity;
534 pts = std::max(pts, clip->pts_in);
535 pts = std::min(pts, current_pts);
537 preview_single_frame(pts, stream_idx, LAST_BEFORE);
538 } else if (column == camera_column) {
539 current_change_id += "camera:" + to_string(row);
540 int angle_degrees = wheel->angleDelta().y();
541 if (last_mousewheel_camera_row == row) {
542 angle_degrees += leftover_angle_degrees;
545 int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
546 stream_idx = std::max(stream_idx, 0);
547 stream_idx = std::min(stream_idx, NUM_CAMERAS - 1);
548 clip->stream_idx = stream_idx;
550 last_mousewheel_camera_row = row;
551 leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
553 // Don't update the live view, that's rarely what the operator wants.
556 currently_deferring_model_changes = false;
557 } else if (event->type() == QEvent::MouseButtonRelease) {
563 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
565 if (rounding == LAST_BEFORE) {
566 lock_guard<mutex> lock(frame_mu);
567 if (frames[stream_idx].empty()) return;
568 auto it = lower_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts);
569 if (it != frames[stream_idx].end()) {
573 assert(rounding == FIRST_AT_OR_AFTER);
574 lock_guard<mutex> lock(frame_mu);
575 if (frames[stream_idx].empty()) return;
576 auto it = upper_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts - 1);
577 if (it != frames[stream_idx].end()) {
583 fake_clip.pts_in = pts;
584 fake_clip.pts_out = pts + 1;
585 preview_player->play_clip(fake_clip, stream_idx);
588 void MainWindow::playlist_selection_changed()
590 QItemSelectionModel *selected = ui->playlist->selectionModel();
591 bool any_selected = selected->hasSelection();
592 ui->playlist_duplicate_btn->setEnabled(any_selected);
593 ui->playlist_remove_btn->setEnabled(any_selected);
594 ui->playlist_move_up_btn->setEnabled(
595 any_selected && selected->selectedRows().front().row() > 0);
596 ui->playlist_move_down_btn->setEnabled(
597 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
598 ui->play_btn->setEnabled(!playlist_clips->empty());
601 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
604 if (estimated_seconds_left < 60.0) {
605 strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
606 } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
607 int s = lrintf(estimated_seconds_left);
610 snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
611 } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
612 int m = lrintf(estimated_seconds_left / 60.0);
613 snprintf(time_str, sizeof(time_str), "%dm", m);
614 } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
615 int m = lrintf(estimated_seconds_left / 60.0);
618 snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
619 } else { // More than ten hours: Xh.
620 int h = lrintf(estimated_seconds_left / 3600.0);
621 snprintf(time_str, sizeof(time_str), "%dh", h);
624 snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
626 std::string label = buf;
628 post_to_main_thread([this, label]{
629 disk_free_label->setText(QString::fromStdString(label));
630 ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.