1 #include "mainwindow.h"
5 #include "post_to_main_thread.h"
7 #include "ui_mainwindow.h"
12 #include <QMouseEvent>
13 #include <QWheelEvent>
18 MainWindow *global_mainwindow = nullptr;
19 ClipList *cliplist_clips;
20 PlayList *playlist_clips;
22 extern int64_t current_pts;
23 extern mutex frame_mu;
24 extern vector<int64_t> frames[MAX_STREAMS];
26 MainWindow::MainWindow()
27 : ui(new Ui::MainWindow)
29 global_mainwindow = this;
32 cliplist_clips = new ClipList();
33 ui->clip_list->setModel(cliplist_clips);
35 playlist_clips = new PlayList();
36 ui->playlist->setModel(playlist_clips);
38 // For scrubbing in the pts columns.
39 ui->clip_list->viewport()->installEventFilter(this);
40 ui->playlist->viewport()->installEventFilter(this);
42 QShortcut *cue_in = new QShortcut(QKeySequence(Qt::Key_A), this);
43 connect(cue_in, &QShortcut::activated, ui->cue_in_btn, &QPushButton::click);
44 connect(ui->cue_in_btn, &QPushButton::clicked, this, &MainWindow::cue_in_clicked);
46 QShortcut *cue_out = new QShortcut(QKeySequence(Qt::Key_S), this);
47 connect(cue_out, &QShortcut::activated, ui->cue_out_btn, &QPushButton::click);
48 connect(ui->cue_out_btn, &QPushButton::clicked, this, &MainWindow::cue_out_clicked);
50 QShortcut *queue = new QShortcut(QKeySequence(Qt::Key_Q), this);
51 connect(queue, &QShortcut::activated, ui->queue_btn, &QPushButton::click);
52 connect(ui->queue_btn, &QPushButton::clicked, this, &MainWindow::queue_clicked);
54 QShortcut *preview = new QShortcut(QKeySequence(Qt::Key_W), this);
55 connect(preview, &QShortcut::activated, ui->preview_btn, &QPushButton::click);
56 connect(ui->preview_btn, &QPushButton::clicked, this, &MainWindow::preview_clicked);
58 QShortcut *play = new QShortcut(QKeySequence(Qt::Key_Space), this);
59 connect(play, &QShortcut::activated, ui->play_btn, &QPushButton::click);
60 connect(ui->play_btn, &QPushButton::clicked, this, &MainWindow::play_clicked);
62 QShortcut *preview_1 = new QShortcut(QKeySequence(Qt::Key_1), this);
63 connect(preview_1, &QShortcut::activated, ui->preview_1_btn, &QPushButton::click);
64 connect(ui->input1_display, &JPEGFrameView::clicked, ui->preview_1_btn, &QPushButton::click);
65 connect(ui->preview_1_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(0); });
66 ui->input1_display->set_overlay("1");
68 QShortcut *preview_2 = new QShortcut(QKeySequence(Qt::Key_2), this);
69 connect(preview_2, &QShortcut::activated, ui->preview_2_btn, &QPushButton::click);
70 connect(ui->input2_display, &JPEGFrameView::clicked, ui->preview_2_btn, &QPushButton::click);
71 connect(ui->preview_2_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(1); });
72 ui->input2_display->set_overlay("2");
74 QShortcut *preview_3 = new QShortcut(QKeySequence(Qt::Key_3), this);
75 connect(preview_3, &QShortcut::activated, ui->preview_3_btn, &QPushButton::click);
76 connect(ui->input3_display, &JPEGFrameView::clicked, ui->preview_3_btn, &QPushButton::click);
77 connect(ui->preview_3_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(2); });
78 ui->input3_display->set_overlay("3");
80 QShortcut *preview_4 = new QShortcut(QKeySequence(Qt::Key_4), this);
81 connect(preview_4, &QShortcut::activated, ui->preview_4_btn, &QPushButton::click);
82 connect(ui->input4_display, &JPEGFrameView::clicked, ui->preview_4_btn, &QPushButton::click);
83 connect(ui->preview_4_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(3); });
84 ui->input4_display->set_overlay("4");
86 connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
88 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
89 QShortcut *delete_key = new QShortcut(QKeySequence(Qt::Key_Delete), ui->playlist);
90 connect(delete_key, &QShortcut::activated, [this] {
91 if (ui->playlist->hasFocus()) {
96 // TODO: support drag-and-drop.
97 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this]{ playlist_move(-1); });
98 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this]{ playlist_move(1); });
100 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
101 this, &MainWindow::playlist_selection_changed);
102 playlist_selection_changed(); // First time set-up.
104 preview_player = new Player(ui->preview_display, /*also_output_to_stream=*/false);
105 live_player = new Player(ui->live_display, /*also_output_to_stream=*/true);
106 live_player->set_done_callback([this]{
107 post_to_main_thread([this]{
108 live_player_clip_done();
111 live_player->set_progress_callback([this](double played_this_clip, double total_length) {
112 post_to_main_thread([this, played_this_clip, total_length] {
113 live_player_clip_progress(played_this_clip, total_length);
118 void MainWindow::cue_in_clicked()
120 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
121 cliplist_clips->back()->pts_in = current_pts;
125 clip.pts_in = current_pts;
126 cliplist_clips->add_clip(clip);
127 playlist_selection_changed();
130 void MainWindow::cue_out_clicked()
132 if (!cliplist_clips->empty()) {
133 cliplist_clips->back()->pts_out = current_pts;
134 // TODO: select the row in the clip list?
138 void MainWindow::queue_clicked()
140 if (cliplist_clips->empty()) {
144 QItemSelectionModel *selected = ui->clip_list->selectionModel();
145 if (!selected->hasSelection()) {
146 Clip clip = *cliplist_clips->back();
148 playlist_clips->add_clip(clip);
152 QModelIndex index = selected->currentIndex();
153 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
154 index.column() <= int(ClipList::Column::CAMERA_4)) {
155 Clip clip = *cliplist_clips->clip(index.row());
156 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
157 playlist_clips->add_clip(clip);
158 playlist_selection_changed();
162 void MainWindow::preview_clicked()
164 if (cliplist_clips->empty()) return;
166 QItemSelectionModel *selected = ui->clip_list->selectionModel();
167 if (!selected->hasSelection()) {
168 preview_player->play_clip(*cliplist_clips->back(), 0);
172 QModelIndex index = selected->currentIndex();
173 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
174 index.column() <= int(ClipList::Column::CAMERA_4)) {
175 unsigned stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
176 preview_player->play_clip(*cliplist_clips->clip(index.row()), stream_idx);
180 void MainWindow::preview_angle_clicked(unsigned stream_idx)
182 preview_player->override_angle(stream_idx);
184 // Change the selection if we were previewing a clip from the clip list.
185 // (The only other thing we could be showing is a pts scrub, and if so,
186 // that would be selected.)
187 QItemSelectionModel *selected = ui->clip_list->selectionModel();
188 if (selected->hasSelection()) {
189 QModelIndex cell = selected->selectedIndexes()[0];
190 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
191 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
195 void MainWindow::playlist_duplicate()
197 QItemSelectionModel *selected = ui->playlist->selectionModel();
198 if (!selected->hasSelection()) {
199 // Should have been grayed out, but OK.
202 QModelIndexList rows = selected->selectedRows();
203 int first = rows.front().row(), last = rows.back().row();
204 playlist_clips->duplicate_clips(first, last);
205 playlist_selection_changed();
208 void MainWindow::playlist_remove()
210 QItemSelectionModel *selected = ui->playlist->selectionModel();
211 if (!selected->hasSelection()) {
212 // Should have been grayed out, but OK.
215 QModelIndexList rows = selected->selectedRows();
216 int first = rows.front().row(), last = rows.back().row();
217 playlist_clips->erase_clips(first, last);
219 // TODO: select the next one in the list?
221 playlist_selection_changed();
224 void MainWindow::playlist_move(int delta)
226 QItemSelectionModel *selected = ui->playlist->selectionModel();
227 if (!selected->hasSelection()) {
228 // Should have been grayed out, but OK.
232 QModelIndexList rows = selected->selectedRows();
233 int first = rows.front().row(), last = rows.back().row();
234 if ((delta == -1 && first == 0) ||
235 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
236 // Should have been grayed out, but OK.
240 playlist_clips->move_clips(first, last, delta);
241 playlist_selection_changed();
244 void MainWindow::play_clicked()
246 if (playlist_clips->empty()) return;
248 QItemSelectionModel *selected = ui->playlist->selectionModel();
250 if (!selected->hasSelection()) {
253 row = selected->selectedRows(0)[0].row();
256 const Clip &clip = *playlist_clips->clip(row);
257 live_player->play_clip(clip, clip.stream_idx);
258 playlist_clips->set_currently_playing(row);
259 playlist_selection_changed();
262 void MainWindow::live_player_clip_done()
264 int row = playlist_clips->get_currently_playing();
265 if (row != -1 && row < int(playlist_clips->size()) - 1) {
267 const Clip &clip = *playlist_clips->clip(row);
268 live_player->play_clip(clip, clip.stream_idx);
269 playlist_clips->set_currently_playing(row);
271 playlist_clips->set_currently_playing(-1);
272 ui->live_label->setText("Current output (paused)");
276 void MainWindow::live_player_clip_progress(double played_this_clip, double total_length)
278 double remaining = total_length - played_this_clip;
279 for (int row = playlist_clips->get_currently_playing() + 1; row < int(playlist_clips->size()); ++row) {
280 const Clip clip = *playlist_clips->clip(row);
281 remaining += double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5; // FIXME: stop hardcoding speed.
283 int remaining_ms = lrint(remaining * 1e3);
285 int ms = remaining_ms % 1000;
286 remaining_ms /= 1000;
287 int s = remaining_ms % 60;
289 int m = remaining_ms;
292 snprintf(buf, sizeof(buf), "Current output (%d:%02d.%03d left)", m, s, ms);
293 ui->live_label->setText(buf);
296 void MainWindow::resizeEvent(QResizeEvent *event)
298 QMainWindow::resizeEvent(event);
300 // Ask for a relayout, but only after the event loop is done doing relayout
301 // on everything else.
302 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
305 void MainWindow::relayout()
307 ui->live_display->setMinimumHeight(ui->live_display->width() * 9 / 16);
310 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
312 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
313 constexpr int scrub_sensitivity = 100; // pts units per pixel.
314 constexpr int wheel_sensitivity = 100; // pts units per degree.
315 constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
317 unsigned stream_idx = ui->preview_display->get_stream_idx();
319 if (event->type() != QEvent::Wheel) {
320 last_mousewheel_camera_row = -1;
323 if (event->type() == QEvent::MouseButtonPress) {
324 QMouseEvent *mouse = (QMouseEvent *)event;
326 QTableView *destination;
329 if (watched == ui->clip_list->viewport()) {
330 destination = ui->clip_list;
331 type = SCRUBBING_CLIP_LIST;
332 } else if (watched == ui->playlist->viewport()) {
333 destination = ui->playlist;
334 type = SCRUBBING_PLAYLIST;
338 int column = destination->columnAt(mouse->x());
339 int row = destination->rowAt(mouse->y());
340 if (column == -1 || row == -1) return false;
342 if (type == SCRUBBING_CLIP_LIST) {
343 if (ClipList::Column(column) == ClipList::Column::IN) {
344 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
345 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
346 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
347 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
348 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
353 if (PlayList::Column(column) == PlayList::Column::IN) {
354 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
355 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
356 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
357 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
358 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
366 scrub_column = column;
367 scrub_x_origin = mouse->x();
369 } else if (event->type() == QEvent::MouseMove) {
371 QMouseEvent *mouse = (QMouseEvent *)event;
372 int offset = mouse->x() - scrub_x_origin;
374 if (offset >= dead_zone_pixels) {
375 adjusted_offset = offset - dead_zone_pixels;
376 } else if (offset < -dead_zone_pixels) {
377 adjusted_offset = offset + dead_zone_pixels;
382 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
384 if (scrub_type == SCRUBBING_CLIP_LIST) {
385 ClipProxy clip = cliplist_clips->clip(scrub_row);
386 if (scrub_column == int(ClipList::Column::IN)) {
387 pts = std::max<int64_t>(pts, 0);
388 pts = std::min(pts, clip->pts_out);
390 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
392 pts = std::max(pts, clip->pts_in);
393 pts = std::min(pts, current_pts);
395 preview_single_frame(pts, stream_idx, LAST_BEFORE);
398 ClipProxy clip = playlist_clips->clip(scrub_row);
399 if (scrub_column == int(PlayList::Column::IN)) {
400 pts = std::max<int64_t>(pts, 0);
401 pts = std::min(pts, clip->pts_out);
403 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
405 pts = std::max(pts, clip->pts_in);
406 pts = std::min(pts, current_pts);
408 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
412 return true; // Don't use this mouse movement for selecting things.
414 } else if (event->type() == QEvent::Wheel) {
415 QWheelEvent *wheel = (QWheelEvent *)event;
417 QTableView *destination;
418 int in_column, out_column, camera_column;
419 if (watched == ui->clip_list->viewport()) {
420 destination = ui->clip_list;
421 in_column = int(ClipList::Column::IN);
422 out_column = int(ClipList::Column::OUT);
424 last_mousewheel_camera_row = -1;
425 } else if (watched == ui->playlist->viewport()) {
426 destination = ui->playlist;
427 in_column = int(PlayList::Column::IN);
428 out_column = int(PlayList::Column::OUT);
429 camera_column = int(PlayList::Column::CAMERA);
431 last_mousewheel_camera_row = -1;
434 int column = destination->columnAt(wheel->x());
435 int row = destination->rowAt(wheel->y());
436 if (column == -1 || row == -1) return false;
438 ClipProxy clip = (watched == ui->clip_list->viewport()) ?
439 cliplist_clips->clip(row) : playlist_clips->clip(row);
440 if (watched == ui->playlist->viewport()) {
441 stream_idx = clip->stream_idx;
444 if (column != camera_column) {
445 last_mousewheel_camera_row = -1;
447 if (column == in_column) {
448 int64_t pts = clip->pts_in + wheel->angleDelta().y() * wheel_sensitivity;
449 pts = std::max<int64_t>(pts, 0);
450 pts = std::min(pts, clip->pts_out);
452 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
453 } else if (column == out_column) {
454 int64_t pts = clip->pts_out + wheel->angleDelta().y() * wheel_sensitivity;
455 pts = std::max(pts, clip->pts_in);
456 pts = std::min(pts, current_pts);
458 preview_single_frame(pts, stream_idx, LAST_BEFORE);
459 } else if (column == camera_column) {
460 int angle_degrees = wheel->angleDelta().y();
461 if (last_mousewheel_camera_row == row) {
462 angle_degrees += leftover_angle_degrees;
465 int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
466 stream_idx = std::max(stream_idx, 0);
467 stream_idx = std::min(stream_idx, NUM_CAMERAS - 1);
468 clip->stream_idx = stream_idx;
470 last_mousewheel_camera_row = row;
471 leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
473 // Don't update the live view, that's rarely what the operator wants.
475 } else if (event->type() == QEvent::MouseButtonRelease) {
481 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
483 if (rounding == LAST_BEFORE) {
484 lock_guard<mutex> lock(frame_mu);
485 if (frames[stream_idx].empty()) return;
486 auto it = lower_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts);
487 if (it != frames[stream_idx].end()) {
491 assert(rounding == FIRST_AT_OR_AFTER);
492 lock_guard<mutex> lock(frame_mu);
493 if (frames[stream_idx].empty()) return;
494 auto it = upper_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts - 1);
495 if (it != frames[stream_idx].end()) {
501 fake_clip.pts_in = pts;
502 fake_clip.pts_out = pts + 1;
503 preview_player->play_clip(fake_clip, stream_idx);
506 void MainWindow::playlist_selection_changed()
508 QItemSelectionModel *selected = ui->playlist->selectionModel();
509 bool any_selected = selected->hasSelection();
510 ui->playlist_duplicate_btn->setEnabled(any_selected);
511 ui->playlist_remove_btn->setEnabled(any_selected);
512 ui->playlist_move_up_btn->setEnabled(
513 any_selected && selected->selectedRows().front().row() > 0);
514 ui->playlist_move_down_btn->setEnabled(
515 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
516 ui->play_btn->setEnabled(!playlist_clips->empty());