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->mutable_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->mutable_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 Clip clip = *cliplist_clips->clip(index.row());
154 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
155 index.column() <= int(ClipList::Column::CAMERA_4)) {
156 clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
158 clip.stream_idx = ui->preview_display->get_stream_idx();
161 playlist_clips->add_clip(clip);
162 playlist_selection_changed();
165 void MainWindow::preview_clicked()
167 if (cliplist_clips->empty()) return;
169 QItemSelectionModel *selected = ui->clip_list->selectionModel();
170 if (!selected->hasSelection()) {
171 preview_player->play_clip(*cliplist_clips->back(), 0);
175 QModelIndex index = selected->currentIndex();
177 if (index.column() >= int(ClipList::Column::CAMERA_1) &&
178 index.column() <= int(ClipList::Column::CAMERA_4)) {
179 stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
181 stream_idx = ui->preview_display->get_stream_idx();
183 preview_player->play_clip(*cliplist_clips->clip(index.row()), stream_idx);
186 void MainWindow::preview_angle_clicked(unsigned stream_idx)
188 preview_player->override_angle(stream_idx);
190 // Change the selection if we were previewing a clip from the clip list.
191 // (The only other thing we could be showing is a pts scrub, and if so,
192 // that would be selected.)
193 QItemSelectionModel *selected = ui->clip_list->selectionModel();
194 if (selected->hasSelection()) {
195 QModelIndex cell = selected->selectedIndexes()[0];
196 int column = int(ClipList::Column::CAMERA_1) + stream_idx;
197 selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
201 void MainWindow::playlist_duplicate()
203 QItemSelectionModel *selected = ui->playlist->selectionModel();
204 if (!selected->hasSelection()) {
205 // Should have been grayed out, but OK.
208 QModelIndexList rows = selected->selectedRows();
209 int first = rows.front().row(), last = rows.back().row();
210 playlist_clips->duplicate_clips(first, last);
211 playlist_selection_changed();
214 void MainWindow::playlist_remove()
216 QItemSelectionModel *selected = ui->playlist->selectionModel();
217 if (!selected->hasSelection()) {
218 // Should have been grayed out, but OK.
221 QModelIndexList rows = selected->selectedRows();
222 int first = rows.front().row(), last = rows.back().row();
223 playlist_clips->erase_clips(first, last);
225 // TODO: select the next one in the list?
227 playlist_selection_changed();
230 void MainWindow::playlist_move(int delta)
232 QItemSelectionModel *selected = ui->playlist->selectionModel();
233 if (!selected->hasSelection()) {
234 // Should have been grayed out, but OK.
238 QModelIndexList rows = selected->selectedRows();
239 int first = rows.front().row(), last = rows.back().row();
240 if ((delta == -1 && first == 0) ||
241 (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
242 // Should have been grayed out, but OK.
246 playlist_clips->move_clips(first, last, delta);
247 playlist_selection_changed();
250 void MainWindow::play_clicked()
252 if (playlist_clips->empty()) return;
254 QItemSelectionModel *selected = ui->playlist->selectionModel();
256 if (!selected->hasSelection()) {
259 row = selected->selectedRows(0)[0].row();
262 const Clip &clip = *playlist_clips->clip(row);
263 live_player->play_clip(clip, clip.stream_idx);
264 playlist_clips->set_currently_playing(row);
265 playlist_selection_changed();
268 void MainWindow::live_player_clip_done()
270 int row = playlist_clips->get_currently_playing();
271 if (row != -1 && row < int(playlist_clips->size()) - 1) {
273 const Clip &clip = *playlist_clips->clip(row);
274 live_player->play_clip(clip, clip.stream_idx);
275 playlist_clips->set_currently_playing(row);
277 playlist_clips->set_currently_playing(-1);
278 ui->live_label->setText("Current output (paused)");
282 void MainWindow::live_player_clip_progress(double played_this_clip, double total_length)
284 double remaining = total_length - played_this_clip;
285 for (int row = playlist_clips->get_currently_playing() + 1; row < int(playlist_clips->size()); ++row) {
286 const Clip clip = *playlist_clips->clip(row);
287 remaining += double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5; // FIXME: stop hardcoding speed.
289 int remaining_ms = lrint(remaining * 1e3);
291 int ms = remaining_ms % 1000;
292 remaining_ms /= 1000;
293 int s = remaining_ms % 60;
295 int m = remaining_ms;
298 snprintf(buf, sizeof(buf), "Current output (%d:%02d.%03d left)", m, s, ms);
299 ui->live_label->setText(buf);
302 void MainWindow::resizeEvent(QResizeEvent *event)
304 QMainWindow::resizeEvent(event);
306 // Ask for a relayout, but only after the event loop is done doing relayout
307 // on everything else.
308 QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
311 void MainWindow::relayout()
313 ui->live_display->setMinimumHeight(ui->live_display->width() * 9 / 16);
316 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
318 constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
319 constexpr int scrub_sensitivity = 100; // pts units per pixel.
320 constexpr int wheel_sensitivity = 100; // pts units per degree.
321 constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
323 unsigned stream_idx = ui->preview_display->get_stream_idx();
325 if (event->type() != QEvent::Wheel) {
326 last_mousewheel_camera_row = -1;
329 if (event->type() == QEvent::MouseButtonPress) {
330 QMouseEvent *mouse = (QMouseEvent *)event;
332 QTableView *destination;
335 if (watched == ui->clip_list->viewport()) {
336 destination = ui->clip_list;
337 type = SCRUBBING_CLIP_LIST;
338 } else if (watched == ui->playlist->viewport()) {
339 destination = ui->playlist;
340 type = SCRUBBING_PLAYLIST;
344 int column = destination->columnAt(mouse->x());
345 int row = destination->rowAt(mouse->y());
346 if (column == -1 || row == -1) return false;
348 if (type == SCRUBBING_CLIP_LIST) {
349 if (ClipList::Column(column) == ClipList::Column::IN) {
350 scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
351 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
352 } else if (ClipList::Column(column) == ClipList::Column::OUT) {
353 scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
354 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
359 if (PlayList::Column(column) == PlayList::Column::IN) {
360 scrub_pts_origin = playlist_clips->clip(row)->pts_in;
361 preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
362 } else if (PlayList::Column(column) == PlayList::Column::OUT) {
363 scrub_pts_origin = playlist_clips->clip(row)->pts_out;
364 preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
372 scrub_column = column;
373 scrub_x_origin = mouse->x();
375 } else if (event->type() == QEvent::MouseMove) {
377 QMouseEvent *mouse = (QMouseEvent *)event;
378 int offset = mouse->x() - scrub_x_origin;
380 if (offset >= dead_zone_pixels) {
381 adjusted_offset = offset - dead_zone_pixels;
382 } else if (offset < -dead_zone_pixels) {
383 adjusted_offset = offset + dead_zone_pixels;
388 int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
390 if (scrub_type == SCRUBBING_CLIP_LIST) {
391 ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
392 if (scrub_column == int(ClipList::Column::IN)) {
393 pts = std::max<int64_t>(pts, 0);
394 pts = std::min(pts, clip->pts_out);
396 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
398 pts = std::max(pts, clip->pts_in);
399 pts = std::min(pts, current_pts);
401 preview_single_frame(pts, stream_idx, LAST_BEFORE);
404 ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
405 if (scrub_column == int(PlayList::Column::IN)) {
406 pts = std::max<int64_t>(pts, 0);
407 pts = std::min(pts, clip->pts_out);
409 preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
411 pts = std::max(pts, clip->pts_in);
412 pts = std::min(pts, current_pts);
414 preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
418 return true; // Don't use this mouse movement for selecting things.
420 } else if (event->type() == QEvent::Wheel) {
421 QWheelEvent *wheel = (QWheelEvent *)event;
423 QTableView *destination;
424 int in_column, out_column, camera_column;
425 if (watched == ui->clip_list->viewport()) {
426 destination = ui->clip_list;
427 in_column = int(ClipList::Column::IN);
428 out_column = int(ClipList::Column::OUT);
430 last_mousewheel_camera_row = -1;
431 } else if (watched == ui->playlist->viewport()) {
432 destination = ui->playlist;
433 in_column = int(PlayList::Column::IN);
434 out_column = int(PlayList::Column::OUT);
435 camera_column = int(PlayList::Column::CAMERA);
437 last_mousewheel_camera_row = -1;
440 int column = destination->columnAt(wheel->x());
441 int row = destination->rowAt(wheel->y());
442 if (column == -1 || row == -1) return false;
444 ClipProxy clip = (watched == ui->clip_list->viewport()) ?
445 cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
446 if (watched == ui->playlist->viewport()) {
447 stream_idx = clip->stream_idx;
450 if (column != camera_column) {
451 last_mousewheel_camera_row = -1;
453 if (column == in_column) {
454 int64_t pts = clip->pts_in + wheel->angleDelta().y() * wheel_sensitivity;
455 pts = std::max<int64_t>(pts, 0);
456 pts = std::min(pts, clip->pts_out);
458 preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
459 } else if (column == out_column) {
460 int64_t pts = clip->pts_out + wheel->angleDelta().y() * wheel_sensitivity;
461 pts = std::max(pts, clip->pts_in);
462 pts = std::min(pts, current_pts);
464 preview_single_frame(pts, stream_idx, LAST_BEFORE);
465 } else if (column == camera_column) {
466 int angle_degrees = wheel->angleDelta().y();
467 if (last_mousewheel_camera_row == row) {
468 angle_degrees += leftover_angle_degrees;
471 int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
472 stream_idx = std::max(stream_idx, 0);
473 stream_idx = std::min(stream_idx, NUM_CAMERAS - 1);
474 clip->stream_idx = stream_idx;
476 last_mousewheel_camera_row = row;
477 leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
479 // Don't update the live view, that's rarely what the operator wants.
481 } else if (event->type() == QEvent::MouseButtonRelease) {
487 void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
489 if (rounding == LAST_BEFORE) {
490 lock_guard<mutex> lock(frame_mu);
491 if (frames[stream_idx].empty()) return;
492 auto it = lower_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts);
493 if (it != frames[stream_idx].end()) {
497 assert(rounding == FIRST_AT_OR_AFTER);
498 lock_guard<mutex> lock(frame_mu);
499 if (frames[stream_idx].empty()) return;
500 auto it = upper_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts - 1);
501 if (it != frames[stream_idx].end()) {
507 fake_clip.pts_in = pts;
508 fake_clip.pts_out = pts + 1;
509 preview_player->play_clip(fake_clip, stream_idx);
512 void MainWindow::playlist_selection_changed()
514 QItemSelectionModel *selected = ui->playlist->selectionModel();
515 bool any_selected = selected->hasSelection();
516 ui->playlist_duplicate_btn->setEnabled(any_selected);
517 ui->playlist_remove_btn->setEnabled(any_selected);
518 ui->playlist_move_up_btn->setEnabled(
519 any_selected && selected->selectedRows().front().row() > 0);
520 ui->playlist_move_down_btn->setEnabled(
521 any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
522 ui->play_btn->setEnabled(!playlist_clips->empty());