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->input1_display, &JPEGFrameView::clicked, ui->preview_1_btn, &QPushButton::click);
64 connect(ui->preview_1_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(0); });
66 QShortcut *preview_2 = new QShortcut(QKeySequence(Qt::Key_2), this);
67 connect(preview_2, &QShortcut::activated, ui->preview_2_btn, &QPushButton::click);
68 connect(ui->input2_display, &JPEGFrameView::clicked, ui->preview_2_btn, &QPushButton::click);
69 connect(ui->preview_2_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(1); });
71 QShortcut *preview_3 = new QShortcut(QKeySequence(Qt::Key_3), this);
72 connect(preview_3, &QShortcut::activated, ui->preview_3_btn, &QPushButton::click);
73 connect(ui->input3_display, &JPEGFrameView::clicked, ui->preview_3_btn, &QPushButton::click);
74 connect(ui->preview_3_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(2); });
76 QShortcut *preview_4 = new QShortcut(QKeySequence(Qt::Key_4), this);
77 connect(preview_4, &QShortcut::activated, ui->preview_4_btn, &QPushButton::click);
78 connect(ui->input4_display, &JPEGFrameView::clicked, ui->preview_4_btn, &QPushButton::click);
79 connect(ui->preview_4_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(3); });
81 connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
83 // TODO: support the delete key iff the widget has focus?
84 connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
86 // TODO: support drag-and-drop.
87 connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this]{ playlist_move(-1); });
88 connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this]{ playlist_move(1); });
90 connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
91 this, &MainWindow::playlist_selection_changed);
92 playlist_selection_changed(); // First time set-up.
94 preview_player = new Player(ui->preview_display, /*also_output_to_stream=*/false);
95 live_player = new Player(ui->live_display, /*also_output_to_stream=*/true);
96 live_player->set_done_callback([this]{
97 post_to_main_thread([this]{
98 live_player_clip_done();
103 void MainWindow::cue_in_clicked()
105 if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
106 cliplist_clips->back()->pts_in = current_pts;
110 clip.pts_in = current_pts;
111 cliplist_clips->add_clip(clip);
112 playlist_selection_changed();
115 void MainWindow::cue_out_clicked()
117 if (!cliplist_clips->empty()) {
118 cliplist_clips->back()->pts_out = current_pts;
119 // TODO: select the row in the clip list?
123 void MainWindow::queue_clicked()
125 if (cliplist_clips->empty()) {
129 QItemSelectionModel *selected = ui->clip_list->selectionModel();
130 if (!selected->hasSelection()) {
131 Clip clip = *cliplist_clips->back();
133 playlist_clips->add_clip(clip);
137 QModelIndex index = selected->currentIndex();
138 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
139 index.column() <= int(ClipList::Column::CAMERA_4)) {
140 Clip clip = *cliplist_clips->clip(index.row());
141 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
142 playlist_clips->add_clip(clip);
143 playlist_selection_changed();
147 void MainWindow::preview_clicked()
149 if (cliplist_clips->empty()) return;
151 QItemSelectionModel *selected = ui->clip_list->selectionModel();
152 if (!selected->hasSelection()) {
153 preview_player->play_clip(*cliplist_clips->back(), 0);
157 QModelIndex index = selected->currentIndex();
158 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
159 index.column() <= int(ClipList::Column::CAMERA_4)) {
160 unsigned stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
161 preview_player->play_clip(*cliplist_clips->clip(index.row()), stream_idx);
165 void MainWindow::preview_angle_clicked(unsigned stream_idx)
167 preview_player->override_angle(stream_idx);
169 // Change the selection if we were previewing a clip from the clip list.
170 // (The only other thing we could be showing is a pts scrub, and if so,
171 // that would be selected.)
172 QItemSelectionModel *selected = ui->clip_list->selectionModel();
173 if (selected->hasSelection()) {
174 QModelIndex cell = selected->selectedIndexes()[0];
175 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
176 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
180 void MainWindow::playlist_duplicate()
182 QItemSelectionModel *selected = ui->playlist->selectionModel();
183 if (!selected->hasSelection()) {
184 // Should have been grayed out, but OK.
187 QModelIndexList rows = selected->selectedRows();
188 int first = rows.front().row(), last = rows.back().row();
189 playlist_clips->duplicate_clips(first, last);
190 playlist_selection_changed();
193 void MainWindow::playlist_remove()
195 QItemSelectionModel *selected = ui->playlist->selectionModel();
196 if (!selected->hasSelection()) {
197 // Should have been grayed out, but OK.
200 QModelIndexList rows = selected->selectedRows();
201 int first = rows.front().row(), last = rows.back().row();
202 playlist_clips->erase_clips(first, last);
204 // TODO: select the next one in the list?
206 playlist_selection_changed();
209 void MainWindow::playlist_move(int delta)
211 QItemSelectionModel *selected = ui->playlist->selectionModel();
212 if (!selected->hasSelection()) {
213 // Should have been grayed out, but OK.
217 QModelIndexList rows = selected->selectedRows();
218 int first = rows.front().row(), last = rows.back().row();
219 if ((delta == -1 && first == 0) ||
220 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
221 // Should have been grayed out, but OK.
225 playlist_clips->move_clips(first, last, delta);
226 playlist_selection_changed();
229 void MainWindow::play_clicked()
231 if (playlist_clips->empty()) return;
233 QItemSelectionModel *selected = ui->playlist->selectionModel();
235 if (!selected->hasSelection()) {
238 row = selected->selectedRows(0)[0].row();
241 const Clip &clip = *playlist_clips->clip(row);
242 live_player->play_clip(clip, clip.stream_idx);
243 playlist_clips->set_currently_playing(row);
244 playlist_selection_changed();
247 void MainWindow::live_player_clip_done()
249 int row = playlist_clips->get_currently_playing();
250 if (row != -1 && row < int(playlist_clips->size()) - 1) {
252 const Clip &clip = *playlist_clips->clip(row);
253 live_player->play_clip(clip, clip.stream_idx);
254 playlist_clips->set_currently_playing(row);
256 playlist_clips->set_currently_playing(-1);
260 void MainWindow::resizeEvent(QResizeEvent *event)
262 QMainWindow::resizeEvent(event);
264 // Ask for a relayout, but only after the event loop is done doing relayout
265 // on everything else.
266 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
269 void MainWindow::relayout()
271 ui->live_display->setMinimumHeight(ui->live_display->width() * 9 / 16);
274 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
276 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
277 constexpr int scrub_sensitivity = 100; // pts units per pixel.
278 constexpr int wheel_sensitivity = 100; // pts units per degree.
279 constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
281 unsigned stream_idx = ui->preview_display->get_stream_idx();
283 if (event->type() != QEvent::Wheel) {
284 last_mousewheel_camera_row = -1;
287 if (event->type() == QEvent::MouseButtonPress) {
288 QMouseEvent *mouse = (QMouseEvent *)event;
290 QTableView *destination;
293 if (watched == ui->clip_list->viewport()) {
294 destination = ui->clip_list;
295 type = SCRUBBING_CLIP_LIST;
296 } else if (watched == ui->playlist->viewport()) {
297 destination = ui->playlist;
298 type = SCRUBBING_PLAYLIST;
302 int column = destination->columnAt(mouse->x());
303 int row = destination->rowAt(mouse->y());
304 if (column == -1 || row == -1) return false;
306 if (type == SCRUBBING_CLIP_LIST) {
307 if (ClipList::Column(column) == ClipList::Column::IN) {
308 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
309 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
310 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
311 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
312 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
317 if (PlayList::Column(column) == PlayList::Column::IN) {
318 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
319 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
320 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
321 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
322 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
330 scrub_column = column;
331 scrub_x_origin = mouse->x();
333 } else if (event->type() == QEvent::MouseMove) {
335 QMouseEvent *mouse = (QMouseEvent *)event;
336 int offset = mouse->x() - scrub_x_origin;
338 if (offset >= dead_zone_pixels) {
339 adjusted_offset = offset - dead_zone_pixels;
340 } else if (offset < -dead_zone_pixels) {
341 adjusted_offset = offset + dead_zone_pixels;
346 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
348 if (scrub_type == SCRUBBING_CLIP_LIST) {
349 ClipProxy clip = cliplist_clips->clip(scrub_row);
350 if (scrub_column == int(ClipList::Column::IN)) {
351 pts = std::max<int64_t>(pts, 0);
352 pts = std::min(pts, clip->pts_out);
354 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
356 pts = std::max(pts, clip->pts_in);
357 pts = std::min(pts, current_pts);
359 preview_single_frame(pts, stream_idx, LAST_BEFORE);
362 ClipProxy clip = playlist_clips->clip(scrub_row);
363 if (scrub_column == int(PlayList::Column::IN)) {
364 pts = std::max<int64_t>(pts, 0);
365 pts = std::min(pts, clip->pts_out);
367 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
369 pts = std::max(pts, clip->pts_in);
370 pts = std::min(pts, current_pts);
372 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
376 return true; // Don't use this mouse movement for selecting things.
378 } else if (event->type() == QEvent::Wheel) {
379 QWheelEvent *wheel = (QWheelEvent *)event;
381 QTableView *destination;
382 int in_column, out_column, camera_column;
383 if (watched == ui->clip_list->viewport()) {
384 destination = ui->clip_list;
385 in_column = int(ClipList::Column::IN);
386 out_column = int(ClipList::Column::OUT);
388 last_mousewheel_camera_row = -1;
389 } else if (watched == ui->playlist->viewport()) {
390 destination = ui->playlist;
391 in_column = int(PlayList::Column::IN);
392 out_column = int(PlayList::Column::OUT);
393 camera_column = int(PlayList::Column::CAMERA);
395 last_mousewheel_camera_row = -1;
398 int column = destination->columnAt(wheel->x());
399 int row = destination->rowAt(wheel->y());
400 if (column == -1 || row == -1) return false;
402 ClipProxy clip = (watched == ui->clip_list->viewport()) ?
403 cliplist_clips->clip(row) : playlist_clips->clip(row);
404 if (watched == ui->playlist->viewport()) {
405 stream_idx = clip->stream_idx;
408 if (column != camera_column) {
409 last_mousewheel_camera_row = -1;
411 if (column == in_column) {
412 int64_t pts = clip->pts_in + wheel->angleDelta().y() * wheel_sensitivity;
413 pts = std::max<int64_t>(pts, 0);
414 pts = std::min(pts, clip->pts_out);
416 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
417 } else if (column == out_column) {
418 int64_t pts = clip->pts_out + wheel->angleDelta().y() * wheel_sensitivity;
419 pts = std::max(pts, clip->pts_in);
420 pts = std::min(pts, current_pts);
422 preview_single_frame(pts, stream_idx, LAST_BEFORE);
423 } else if (column == camera_column) {
424 int angle_degrees = wheel->angleDelta().y();
425 if (last_mousewheel_camera_row == row) {
426 angle_degrees += leftover_angle_degrees;
429 int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
430 stream_idx = std::max(stream_idx, 0);
431 stream_idx = std::min(stream_idx, NUM_CAMERAS - 1);
432 clip->stream_idx = stream_idx;
434 last_mousewheel_camera_row = row;
435 leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
437 // Don't update the live view, that's rarely what the operator wants.
439 } else if (event->type() == QEvent::MouseButtonRelease) {
445 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
447 if (rounding == LAST_BEFORE) {
448 lock_guard<mutex> lock(frame_mu);
449 if (frames[stream_idx].empty()) return;
450 auto it = lower_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts);
451 if (it != frames[stream_idx].end()) {
455 assert(rounding == FIRST_AT_OR_AFTER);
456 lock_guard<mutex> lock(frame_mu);
457 if (frames[stream_idx].empty()) return;
458 auto it = upper_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts - 1);
459 if (it != frames[stream_idx].end()) {
465 fake_clip.pts_in = pts;
466 fake_clip.pts_out = pts + 1;
467 preview_player->play_clip(fake_clip, stream_idx);
470 void MainWindow::playlist_selection_changed()
472 QItemSelectionModel *selected = ui->playlist->selectionModel();
473 bool any_selected = selected->hasSelection();
474 ui->playlist_duplicate_btn->setEnabled(any_selected);
475 ui->playlist_remove_btn->setEnabled(any_selected);
476 ui->playlist_move_up_btn->setEnabled(
477 any_selected && selected->selectedRows().front().row() > 0);
478 ui->playlist_move_down_btn->setEnabled(
479 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
480 ui->play_btn->setEnabled(!playlist_clips->empty());