1 #include "mainwindow.h"
5 #include "post_to_main_thread.h"
6 #include "ui_mainwindow.h"
11 #include <QMouseEvent>
12 #include <QWheelEvent>
17 MainWindow *global_mainwindow = nullptr;
18 ClipList *cliplist_clips;
19 PlayList *playlist_clips;
21 extern int64_t current_pts;
22 extern mutex frame_mu;
23 extern vector<int64_t> frames[MAX_STREAMS];
25 MainWindow::MainWindow()
26 : ui(new Ui::MainWindow)
28 global_mainwindow = this;
31 cliplist_clips = new ClipList();
32 ui->clip_list->setModel(cliplist_clips);
34 playlist_clips = new PlayList();
35 ui->playlist->setModel(playlist_clips);
37 // For scrubbing in the pts columns.
38 ui->clip_list->viewport()->installEventFilter(this);
39 ui->playlist->viewport()->installEventFilter(this);
41 QShortcut *cue_in = new QShortcut(QKeySequence(Qt::Key_A), this);
42 connect(cue_in, &QShortcut::activated, ui->cue_in_btn, &QPushButton::click);
43 connect(ui->cue_in_btn, &QPushButton::clicked, this, &MainWindow::cue_in_clicked);
45 QShortcut *cue_out = new QShortcut(QKeySequence(Qt::Key_S), this);
46 connect(cue_out, &QShortcut::activated, ui->cue_out_btn, &QPushButton::click);
47 connect(ui->cue_out_btn, &QPushButton::clicked, this, &MainWindow::cue_out_clicked);
49 QShortcut *queue = new QShortcut(QKeySequence(Qt::Key_Q), this);
50 connect(queue, &QShortcut::activated, ui->queue_btn, &QPushButton::click);
51 connect(ui->queue_btn, &QPushButton::clicked, this, &MainWindow::queue_clicked);
53 QShortcut *preview = new QShortcut(QKeySequence(Qt::Key_W), this);
54 connect(preview, &QShortcut::activated, ui->preview_btn, &QPushButton::click);
55 connect(ui->preview_btn, &QPushButton::clicked, this, &MainWindow::preview_clicked);
57 QShortcut *play = new QShortcut(QKeySequence(Qt::Key_Space), this);
58 connect(play, &QShortcut::activated, ui->play_btn, &QPushButton::click);
59 connect(ui->play_btn, &QPushButton::clicked, this, &MainWindow::play_clicked);
61 QShortcut *preview_1 = new QShortcut(QKeySequence(Qt::Key_1), this);
62 connect(preview_1, &QShortcut::activated, ui->preview_1_btn, &QPushButton::click);
63 connect(ui->preview_1_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(0); });
65 QShortcut *preview_2 = new QShortcut(QKeySequence(Qt::Key_2), this);
66 connect(preview_2, &QShortcut::activated, ui->preview_2_btn, &QPushButton::click);
67 connect(ui->preview_2_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(1); });
69 QShortcut *preview_3 = new QShortcut(QKeySequence(Qt::Key_3), this);
70 connect(preview_3, &QShortcut::activated, ui->preview_3_btn, &QPushButton::click);
71 connect(ui->preview_3_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(2); });
73 QShortcut *preview_4 = new QShortcut(QKeySequence(Qt::Key_4), this);
74 connect(preview_4, &QShortcut::activated, ui->preview_4_btn, &QPushButton::click);
75 connect(ui->preview_4_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(3); });
77 connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
79 // TODO: support the delete key iff the widget has focus?
80 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
82 // TODO: support drag-and-drop.
83 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this]{ playlist_move(-1); });
84 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this]{ playlist_move(1); });
86 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
87 this, &MainWindow::playlist_selection_changed);
88 playlist_selection_changed(); // First time set-up.
90 preview_player = new Player(ui->preview_display);
91 live_player = new Player(ui->live_display);
92 live_player->set_done_callback([this]{
93 post_to_main_thread([this]{
94 live_player_clip_done();
99 void MainWindow::cue_in_clicked()
101 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
102 cliplist_clips->back()->pts_in = current_pts;
106 clip.pts_in = current_pts;
107 cliplist_clips->add_clip(clip);
108 playlist_selection_changed();
111 void MainWindow::cue_out_clicked()
113 if (!cliplist_clips->empty()) {
114 cliplist_clips->back()->pts_out = current_pts;
115 // TODO: select the row in the clip list?
119 void MainWindow::queue_clicked()
121 if (cliplist_clips->empty()) {
125 QItemSelectionModel *selected = ui->clip_list->selectionModel();
126 if (!selected->hasSelection()) {
127 Clip clip = *cliplist_clips->back();
129 playlist_clips->add_clip(clip);
133 QModelIndex index = selected->currentIndex();
134 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
135 index.column() <= int(ClipList::Column::CAMERA_4)) {
136 Clip clip = *cliplist_clips->clip(index.row());
137 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
138 playlist_clips->add_clip(clip);
139 playlist_selection_changed();
143 void MainWindow::preview_clicked()
145 if (cliplist_clips->empty()) return;
147 QItemSelectionModel *selected = ui->clip_list->selectionModel();
148 if (!selected->hasSelection()) {
149 preview_player->play_clip(*cliplist_clips->back(), 0);
153 QModelIndex index = selected->currentIndex();
154 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
155 index.column() <= int(ClipList::Column::CAMERA_4)) {
156 unsigned stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
157 preview_player->play_clip(*cliplist_clips->clip(index.row()), stream_idx);
161 void MainWindow::preview_angle_clicked(unsigned stream_idx)
163 preview_player->override_angle(stream_idx);
165 // Change the selection if we were previewing a clip from the clip list.
166 // (The only other thing we could be showing is a pts scrub, and if so,
167 // that would be selected.)
168 QItemSelectionModel *selected = ui->clip_list->selectionModel();
169 if (selected->hasSelection()) {
170 QModelIndex cell = selected->selectedIndexes()[0];
171 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
172 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
176 void MainWindow::playlist_duplicate()
178 QItemSelectionModel *selected = ui->playlist->selectionModel();
179 if (!selected->hasSelection()) {
180 // Should have been grayed out, but OK.
183 QModelIndexList rows = selected->selectedRows();
184 int first = rows.front().row(), last = rows.back().row();
185 playlist_clips->duplicate_clips(first, last);
186 playlist_selection_changed();
189 void MainWindow::playlist_remove()
191 QItemSelectionModel *selected = ui->playlist->selectionModel();
192 if (!selected->hasSelection()) {
193 // Should have been grayed out, but OK.
196 QModelIndexList rows = selected->selectedRows();
197 int first = rows.front().row(), last = rows.back().row();
198 playlist_clips->erase_clips(first, last);
200 // TODO: select the next one in the list?
202 playlist_selection_changed();
205 void MainWindow::playlist_move(int delta)
207 QItemSelectionModel *selected = ui->playlist->selectionModel();
208 if (!selected->hasSelection()) {
209 // Should have been grayed out, but OK.
213 QModelIndexList rows = selected->selectedRows();
214 int first = rows.front().row(), last = rows.back().row();
215 if ((delta == -1 && first == 0) ||
216 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
217 // Should have been grayed out, but OK.
221 playlist_clips->move_clips(first, last, delta);
222 playlist_selection_changed();
225 void MainWindow::play_clicked()
227 if (playlist_clips->empty()) return;
229 QItemSelectionModel *selected = ui->playlist->selectionModel();
231 if (!selected->hasSelection()) {
234 row = selected->selectedRows(0)[0].row();
237 const Clip &clip = *playlist_clips->clip(row);
238 live_player->play_clip(clip, clip.stream_idx);
239 playlist_clips->set_currently_playing(row);
240 playlist_selection_changed();
243 void MainWindow::live_player_clip_done()
245 int row = playlist_clips->get_currently_playing();
246 if (row != -1 && row < int(playlist_clips->size()) - 1) {
248 const Clip &clip = *playlist_clips->clip(row);
249 live_player->play_clip(clip, clip.stream_idx);
250 playlist_clips->set_currently_playing(row);
252 playlist_clips->set_currently_playing(-1);
256 void MainWindow::resizeEvent(QResizeEvent *event)
258 QMainWindow::resizeEvent(event);
260 // Ask for a relayout, but only after the event loop is done doing relayout
261 // on everything else.
262 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
265 void MainWindow::relayout()
267 ui->live_display->setMinimumHeight(ui->live_display->width() * 9 / 16);
270 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
272 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
273 constexpr int scrub_sensitivity = 100; // pts units per pixel.
274 constexpr int wheel_sensitivity = 100; // pts units per degree.
275 constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
277 unsigned stream_idx = ui->preview_display->get_stream_idx();
279 if (event->type() != QEvent::Wheel) {
280 last_mousewheel_camera_row = -1;
283 if (event->type() == QEvent::MouseButtonPress) {
284 QMouseEvent *mouse = (QMouseEvent *)event;
286 QTableView *destination;
289 if (watched == ui->clip_list->viewport()) {
290 destination = ui->clip_list;
291 type = SCRUBBING_CLIP_LIST;
292 } else if (watched == ui->playlist->viewport()) {
293 destination = ui->playlist;
294 type = SCRUBBING_PLAYLIST;
298 int column = destination->columnAt(mouse->x());
299 int row = destination->rowAt(mouse->y());
300 if (column == -1 || row == -1) return false;
302 if (type == SCRUBBING_CLIP_LIST) {
303 if (ClipList::Column(column) == ClipList::Column::IN) {
304 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
305 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
306 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
307 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
308 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
313 if (PlayList::Column(column) == PlayList::Column::IN) {
314 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
315 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
316 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
317 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
318 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
326 scrub_column = column;
327 scrub_x_origin = mouse->x();
329 } else if (event->type() == QEvent::MouseMove) {
331 QMouseEvent *mouse = (QMouseEvent *)event;
332 int offset = mouse->x() - scrub_x_origin;
334 if (offset >= dead_zone_pixels) {
335 adjusted_offset = offset - dead_zone_pixels;
336 } else if (offset < -dead_zone_pixels) {
337 adjusted_offset = offset + dead_zone_pixels;
342 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
344 if (scrub_type == SCRUBBING_CLIP_LIST) {
345 ClipProxy clip = cliplist_clips->clip(scrub_row);
346 if (scrub_column == int(ClipList::Column::IN)) {
347 pts = std::max<int64_t>(pts, 0);
348 pts = std::min(pts, clip->pts_out);
350 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
352 pts = std::max(pts, clip->pts_in);
353 pts = std::min(pts, current_pts);
355 preview_single_frame(pts, stream_idx, LAST_BEFORE);
358 ClipProxy clip = playlist_clips->clip(scrub_row);
359 if (scrub_column == int(PlayList::Column::IN)) {
360 pts = std::max<int64_t>(pts, 0);
361 pts = std::min(pts, clip->pts_out);
363 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
365 pts = std::max(pts, clip->pts_in);
366 pts = std::min(pts, current_pts);
368 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
372 return true; // Don't use this mouse movement for selecting things.
374 } else if (event->type() == QEvent::Wheel) {
375 QWheelEvent *wheel = (QWheelEvent *)event;
377 QTableView *destination;
378 int in_column, out_column, camera_column;
379 if (watched == ui->clip_list->viewport()) {
380 destination = ui->clip_list;
381 in_column = int(ClipList::Column::IN);
382 out_column = int(ClipList::Column::OUT);
384 last_mousewheel_camera_row = -1;
385 } else if (watched == ui->playlist->viewport()) {
386 destination = ui->playlist;
387 in_column = int(PlayList::Column::IN);
388 out_column = int(PlayList::Column::OUT);
389 camera_column = int(PlayList::Column::CAMERA);
391 last_mousewheel_camera_row = -1;
394 int column = destination->columnAt(wheel->x());
395 int row = destination->rowAt(wheel->y());
396 if (column == -1 || row == -1) return false;
398 ClipProxy clip = (watched == ui->clip_list->viewport()) ?
399 cliplist_clips->clip(row) : playlist_clips->clip(row);
400 if (watched == ui->playlist->viewport()) {
401 stream_idx = clip->stream_idx;
404 if (column != camera_column) {
405 last_mousewheel_camera_row = -1;
407 if (column == in_column) {
408 int64_t pts = clip->pts_in + wheel->angleDelta().y() * wheel_sensitivity;
409 pts = std::max<int64_t>(pts, 0);
410 pts = std::min(pts, clip->pts_out);
412 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
413 } else if (column == out_column) {
414 int64_t pts = clip->pts_out + wheel->angleDelta().y() * wheel_sensitivity;
415 pts = std::max(pts, clip->pts_in);
416 pts = std::min(pts, current_pts);
418 preview_single_frame(pts, stream_idx, LAST_BEFORE);
419 } else if (column == camera_column) {
420 int angle_degrees = wheel->angleDelta().y();
421 if (last_mousewheel_camera_row == row) {
422 angle_degrees += leftover_angle_degrees;
425 int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
426 stream_idx = std::max(stream_idx, 0);
427 stream_idx = std::min(stream_idx, NUM_CAMERAS - 1);
428 clip->stream_idx = stream_idx;
430 last_mousewheel_camera_row = row;
431 leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
433 // Don't update the live view, that's rarely what the operator wants.
435 } else if (event->type() == QEvent::MouseButtonRelease) {
441 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
443 if (rounding == LAST_BEFORE) {
444 lock_guard<mutex> lock(frame_mu);
445 if (frames[stream_idx].empty()) return;
446 auto it = lower_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts);
447 if (it != frames[stream_idx].end()) {
451 assert(rounding == FIRST_AT_OR_AFTER);
452 lock_guard<mutex> lock(frame_mu);
453 if (frames[stream_idx].empty()) return;
454 auto it = upper_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts - 1);
455 if (it != frames[stream_idx].end()) {
461 fake_clip.pts_in = pts;
462 fake_clip.pts_out = pts + 1;
463 preview_player->play_clip(fake_clip, stream_idx);
466 void MainWindow::playlist_selection_changed()
468 QItemSelectionModel *selected = ui->playlist->selectionModel();
469 bool any_selected = selected->hasSelection();
470 ui->playlist_duplicate_btn->setEnabled(any_selected);
471 ui->playlist_remove_btn->setEnabled(any_selected);
472 ui->playlist_move_up_btn->setEnabled(
473 any_selected && selected->selectedRows().front().row() > 0);
474 ui->playlist_move_down_btn->setEnabled(
475 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
476 ui->play_btn->setEnabled(!playlist_clips->empty());