#include "mainwindow.h"
#include "clip_list.h"
+#include "disk_space_estimator.h"
+#include "flags.h"
#include "player.h"
+#include "post_to_main_thread.h"
+#include "timebase.h"
#include "ui_mainwindow.h"
+#include <QMouseEvent>
+#include <QShortcut>
+#include <QTimer>
+#include <QWheelEvent>
+#include <future>
+#include <sqlite3.h>
#include <string>
#include <vector>
-#include <QShortcut>
-
using namespace std;
+using namespace std::placeholders;
MainWindow *global_mainwindow = nullptr;
+static ClipList *cliplist_clips;
+static PlayList *playlist_clips;
+
extern int64_t current_pts;
-ClipList *clips;
+extern mutex frame_mu;
+extern vector<int64_t> frames[MAX_STREAMS];
MainWindow::MainWindow()
- : ui(new Ui::MainWindow)
+ : ui(new Ui::MainWindow),
+ db(global_flags.working_directory + "/futatabi.db")
{
global_mainwindow = this;
ui->setupUi(this);
- clips = new ClipList;
- ui->clip_list->setModel(clips);
+ // The menus.
+ connect(ui->exit_action, &QAction::triggered, this, &MainWindow::exit_triggered);
+
+ global_disk_space_estimator = new DiskSpaceEstimator(bind(&MainWindow::report_disk_space, this, _1, _2));
+ disk_free_label = new QLabel(this);
+ disk_free_label->setStyleSheet("QLabel {padding-right: 5px;}");
+ ui->menuBar->setCornerWidget(disk_free_label);
+
+ StateProto state = db.get_state();
+
+ cliplist_clips = new ClipList(state.clip_list());
+ ui->clip_list->setModel(cliplist_clips);
+ connect(cliplist_clips, &ClipList::any_content_changed, this, &MainWindow::content_changed);
+
+ playlist_clips = new PlayList(state.play_list());
+ ui->playlist->setModel(playlist_clips);
+ connect(playlist_clips, &PlayList::any_content_changed, this, &MainWindow::content_changed);
+
+ // For un-highlighting when we lose focus.
+ ui->clip_list->installEventFilter(this);
+
+ // For scrubbing in the pts columns.
+ ui->clip_list->viewport()->installEventFilter(this);
+ ui->playlist->viewport()->installEventFilter(this);
- // TODO: Make these into buttons.
- // TODO: These are too big for lambdas.
QShortcut *cue_in = new QShortcut(QKeySequence(Qt::Key_A), this);
- connect(cue_in, &QShortcut::activated, []{
- if (!clips->empty() && clips->back()->pts_out < 0) {
- clips->back()->pts_in = current_pts;
- return;
- }
- Clip clip;
- clip.pts_in = current_pts;
- clips->add_clip(clip);
- });
+ connect(cue_in, &QShortcut::activated, ui->cue_in_btn, &QPushButton::click);
+ connect(ui->cue_in_btn, &QPushButton::clicked, this, &MainWindow::cue_in_clicked);
QShortcut *cue_out = new QShortcut(QKeySequence(Qt::Key_S), this);
- connect(cue_out, &QShortcut::activated, []{
- if (!clips->empty()) {
- clips->back()->pts_out = current_pts;
- // TODO: select the row in the clip list?
+ connect(cue_out, &QShortcut::activated, ui->cue_out_btn, &QPushButton::click);
+ connect(ui->cue_out_btn, &QPushButton::clicked, this, &MainWindow::cue_out_clicked);
+
+ QShortcut *queue = new QShortcut(QKeySequence(Qt::Key_Q), this);
+ connect(queue, &QShortcut::activated, ui->queue_btn, &QPushButton::click);
+ connect(ui->queue_btn, &QPushButton::clicked, this, &MainWindow::queue_clicked);
+
+ QShortcut *preview = new QShortcut(QKeySequence(Qt::Key_W), this);
+ connect(preview, &QShortcut::activated, ui->preview_btn, &QPushButton::click);
+ connect(ui->preview_btn, &QPushButton::clicked, this, &MainWindow::preview_clicked);
+
+ QShortcut *play = new QShortcut(QKeySequence(Qt::Key_Space), this);
+ connect(play, &QShortcut::activated, ui->play_btn, &QPushButton::click);
+ connect(ui->play_btn, &QPushButton::clicked, this, &MainWindow::play_clicked);
+
+ QShortcut *preview_1 = new QShortcut(QKeySequence(Qt::Key_1), this);
+ connect(preview_1, &QShortcut::activated, ui->preview_1_btn, &QPushButton::click);
+ connect(ui->input1_display, &JPEGFrameView::clicked, ui->preview_1_btn, &QPushButton::click);
+ connect(ui->preview_1_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(0); });
+ ui->input1_display->set_overlay("1");
+
+ QShortcut *preview_2 = new QShortcut(QKeySequence(Qt::Key_2), this);
+ connect(preview_2, &QShortcut::activated, ui->preview_2_btn, &QPushButton::click);
+ connect(ui->input2_display, &JPEGFrameView::clicked, ui->preview_2_btn, &QPushButton::click);
+ connect(ui->preview_2_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(1); });
+ ui->input2_display->set_overlay("2");
+
+ QShortcut *preview_3 = new QShortcut(QKeySequence(Qt::Key_3), this);
+ connect(preview_3, &QShortcut::activated, ui->preview_3_btn, &QPushButton::click);
+ connect(ui->input3_display, &JPEGFrameView::clicked, ui->preview_3_btn, &QPushButton::click);
+ connect(ui->preview_3_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(2); });
+ ui->input3_display->set_overlay("3");
+
+ QShortcut *preview_4 = new QShortcut(QKeySequence(Qt::Key_4), this);
+ connect(preview_4, &QShortcut::activated, ui->preview_4_btn, &QPushButton::click);
+ connect(ui->input4_display, &JPEGFrameView::clicked, ui->preview_4_btn, &QPushButton::click);
+ connect(ui->preview_4_btn, &QPushButton::clicked, [this]{ preview_angle_clicked(3); });
+ ui->input4_display->set_overlay("4");
+
+ connect(ui->playlist_duplicate_btn, &QPushButton::clicked, this, &MainWindow::playlist_duplicate);
+
+ connect(ui->playlist_remove_btn, &QPushButton::clicked, this, &MainWindow::playlist_remove);
+ QShortcut *delete_key = new QShortcut(QKeySequence(Qt::Key_Delete), ui->playlist);
+ connect(delete_key, &QShortcut::activated, [this] {
+ if (ui->playlist->hasFocus()) {
+ playlist_remove();
}
});
- QShortcut *preview_shortcut = new QShortcut(QKeySequence(Qt::Key_W), this);
- connect(preview_shortcut, &QShortcut::activated, this, &MainWindow::preview_clicked);
+ // TODO: support drag-and-drop.
+ connect(ui->playlist_move_up_btn, &QPushButton::clicked, [this]{ playlist_move(-1); });
+ connect(ui->playlist_move_down_btn, &QPushButton::clicked, [this]{ playlist_move(1); });
+
+ connect(ui->playlist->selectionModel(), &QItemSelectionModel::selectionChanged,
+ this, &MainWindow::playlist_selection_changed);
+ playlist_selection_changed(); // First time set-up.
+
+ preview_player = new Player(ui->preview_display, /*also_output_to_stream=*/false);
+ live_player = new Player(ui->live_display, /*also_output_to_stream=*/true);
+ live_player->set_done_callback([this]{
+ post_to_main_thread([this]{
+ live_player_clip_done();
+ });
+ });
+ live_player->set_next_clip_callback(bind(&MainWindow::live_player_get_next_clip, this));
+ live_player->set_progress_callback([this](const map<size_t, double> &progress) {
+ post_to_main_thread([this, progress] {
+ live_player_clip_progress(progress);
+ });
+ });
+ set_output_status("paused");
+
+ defer_timeout = new QTimer(this);
+ defer_timeout->setSingleShot(true);
+ connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
+
+ connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
+ this, &MainWindow::clip_list_selection_changed);
+}
+
+void MainWindow::cue_in_clicked()
+{
+ if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
+ cliplist_clips->mutable_back()->pts_in = current_pts;
+ return;
+ }
+ Clip clip;
+ clip.pts_in = current_pts;
+ cliplist_clips->add_clip(clip);
+ playlist_selection_changed();
+}
+
+void MainWindow::cue_out_clicked()
+{
+ if (!cliplist_clips->empty()) {
+ cliplist_clips->mutable_back()->pts_out = current_pts;
+ // TODO: select the row in the clip list?
+ }
+}
+
+void MainWindow::queue_clicked()
+{
+ if (cliplist_clips->empty()) {
+ return;
+ }
+
+ QItemSelectionModel *selected = ui->clip_list->selectionModel();
+ if (!selected->hasSelection()) {
+ Clip clip = *cliplist_clips->back();
+ clip.stream_idx = 0;
+ if (clip.pts_out != -1) {
+ playlist_clips->add_clip(clip);
+ playlist_selection_changed();
+ }
+ return;
+ }
+
+ QModelIndex index = selected->currentIndex();
+ Clip clip = *cliplist_clips->clip(index.row());
+ if (index.column() >= int(ClipList::Column::CAMERA_1) &&
+ index.column() <= int(ClipList::Column::CAMERA_4)) {
+ clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
+ } else {
+ clip.stream_idx = ui->preview_display->get_stream_idx();
+ }
+
+ if (clip.pts_out != -1) {
+ playlist_clips->add_clip(clip);
+ playlist_selection_changed();
+ }
}
void MainWindow::preview_clicked()
{
+ if (ui->playlist->hasFocus()) {
+ // Allow the playlist as preview iff it has focus and something is selected.
+ QItemSelectionModel *selected = ui->playlist->selectionModel();
+ if (selected->hasSelection()) {
+ QModelIndex index = selected->currentIndex();
+ const Clip &clip = *playlist_clips->clip(index.row());
+ preview_player->play_clip(clip, index.row(), clip.stream_idx);
+ return;
+ }
+ }
+
+ if (cliplist_clips->empty())
+ return;
+
QItemSelectionModel *selected = ui->clip_list->selectionModel();
if (!selected->hasSelection()) {
- play_clip(*clips->back(), 0);
+ preview_player->play_clip(*cliplist_clips->back(), cliplist_clips->size() - 1, 0);
return;
}
QModelIndex index = selected->currentIndex();
- if (index.column() >= ClipList::Column::CAMERA_1 &&
- index.column() <= ClipList::Column::CAMERA_4) {
- unsigned stream_idx = index.column() - ClipList::Column::CAMERA_1;
- play_clip(*clips->clip(index.row()), stream_idx);
+ unsigned stream_idx;
+ if (index.column() >= int(ClipList::Column::CAMERA_1) &&
+ index.column() <= int(ClipList::Column::CAMERA_4)) {
+ stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
+ } else {
+ stream_idx = ui->preview_display->get_stream_idx();
+ }
+ preview_player->play_clip(*cliplist_clips->clip(index.row()), index.row(), stream_idx);
+}
+
+void MainWindow::preview_angle_clicked(unsigned stream_idx)
+{
+ preview_player->override_angle(stream_idx);
+
+ // Change the selection if we were previewing a clip from the clip list.
+ // (The only other thing we could be showing is a pts scrub, and if so,
+ // that would be selected.)
+ QItemSelectionModel *selected = ui->clip_list->selectionModel();
+ if (selected->hasSelection()) {
+ QModelIndex cell = selected->selectedIndexes()[0];
+ int column = int(ClipList::Column::CAMERA_1) + stream_idx;
+ selected->setCurrentIndex(cell.sibling(cell.row(), column), QItemSelectionModel::ClearAndSelect);
+ }
+}
+
+void MainWindow::playlist_duplicate()
+{
+ QItemSelectionModel *selected = ui->playlist->selectionModel();
+ if (!selected->hasSelection()) {
+ // Should have been grayed out, but OK.
+ return;
+ }
+ QModelIndexList rows = selected->selectedRows();
+ int first = rows.front().row(), last = rows.back().row();
+ playlist_clips->duplicate_clips(first, last);
+ playlist_selection_changed();
+}
+
+void MainWindow::playlist_remove()
+{
+ QItemSelectionModel *selected = ui->playlist->selectionModel();
+ if (!selected->hasSelection()) {
+ // Should have been grayed out, but OK.
+ return;
+ }
+ QModelIndexList rows = selected->selectedRows();
+ int first = rows.front().row(), last = rows.back().row();
+ playlist_clips->erase_clips(first, last);
+
+ // TODO: select the next one in the list?
+
+ playlist_selection_changed();
+}
+
+void MainWindow::playlist_move(int delta)
+{
+ QItemSelectionModel *selected = ui->playlist->selectionModel();
+ if (!selected->hasSelection()) {
+ // Should have been grayed out, but OK.
+ return;
+ }
+
+ QModelIndexList rows = selected->selectedRows();
+ int first = rows.front().row(), last = rows.back().row();
+ if ((delta == -1 && first == 0) ||
+ (delta == 1 && size_t(last) == playlist_clips->size() - 1)) {
+ // Should have been grayed out, but OK.
+ return;
+ }
+
+ playlist_clips->move_clips(first, last, delta);
+ playlist_selection_changed();
+}
+
+void MainWindow::defer_timer_expired()
+{
+ state_changed(deferred_state);
+}
+
+void MainWindow::content_changed()
+{
+ if (defer_timeout->isActive() &&
+ (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
+ // There's some deferred event waiting, but this event is unrelated.
+ // So it's time to short-circuit that timer and do the work it wanted to do.
+ defer_timeout->stop();
+ state_changed(deferred_state);
+ }
+ StateProto state;
+ *state.mutable_clip_list() = cliplist_clips->serialize();
+ *state.mutable_play_list() = playlist_clips->serialize();
+ if (currently_deferring_model_changes) {
+ deferred_change_id = current_change_id;
+ deferred_state = std::move(state);
+ defer_timeout->start(200);
+ return;
+ }
+ state_changed(state);
+}
+
+void MainWindow::state_changed(const StateProto &state)
+{
+ db.store_state(state);
+}
+
+void MainWindow::play_clicked()
+{
+ if (playlist_clips->empty())
+ return;
+
+ QItemSelectionModel *selected = ui->playlist->selectionModel();
+ int row;
+ if (!selected->hasSelection()) {
+ row = 0;
+ } else {
+ row = selected->selectedRows(0)[0].row();
+ }
+
+ const Clip &clip = *playlist_clips->clip(row);
+ live_player->play_clip(clip, row, clip.stream_idx);
+ playlist_clips->set_progress({{ row, 0.0f }});
+ playlist_clips->set_currently_playing(row, 0.0f);
+ playlist_selection_changed();
+}
+
+void MainWindow::live_player_clip_done()
+{
+ int row = playlist_clips->get_currently_playing();
+ if (row == -1 || row == int(playlist_clips->size()) - 1) {
+ set_output_status("paused");
+ playlist_clips->set_progress({});
+ playlist_clips->set_currently_playing(-1, 0.0f);
+ } else {
+ playlist_clips->set_progress({{ row + 1, 0.0f }});
+ playlist_clips->set_currently_playing(row + 1, 0.0f);
+ }
+}
+
+pair<Clip, size_t> MainWindow::live_player_get_next_clip()
+{
+ // playlist_clips can only be accessed on the main thread.
+ // Hopefully, we won't have to wait too long for this to come back.
+ promise<pair<Clip, size_t>> clip_promise;
+ future<pair<Clip, size_t>> clip = clip_promise.get_future();
+ post_to_main_thread([this, &clip_promise] {
+ int row = playlist_clips->get_currently_playing();
+ if (row != -1 && row < int(playlist_clips->size()) - 1) {
+ clip_promise.set_value(make_pair(*playlist_clips->clip(row + 1), row + 1));
+ } else {
+ clip_promise.set_value(make_pair(Clip(), 0));
+ }
+ });
+ return clip.get();
+}
+
+static string format_duration(double t)
+{
+ int t_ms = lrint(t * 1e3);
+
+ int ms = t_ms % 1000;
+ t_ms /= 1000;
+ int s = t_ms % 60;
+ t_ms /= 60;
+ int m = t_ms;
+
+ char buf[256];
+ snprintf(buf, sizeof(buf), "%d:%02d.%03d", m, s, ms);
+ return buf;
+}
+
+void MainWindow::live_player_clip_progress(const map<size_t, double> &progress)
+{
+ playlist_clips->set_progress(progress);
+
+ // Look at the last clip and then start counting from there.
+ assert(!progress.empty());
+ auto last_it = progress.end();
+ --last_it;
+ double remaining = 0.0;
+ double last_fade_time_seconds = 0.0;
+ for (size_t row = last_it->first; row < playlist_clips->size(); ++row) {
+ const Clip clip = *playlist_clips->clip(row);
+ double clip_length = double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5; // FIXME: stop hardcoding speed.
+ if (row == last_it->first) {
+ // A clip we're playing: Subtract the part we've already played.
+ remaining = clip_length * (1.0 - last_it->second);
+ } else {
+ // A clip we haven't played yet: Subtract the part that's overlapping
+ // with a previous clip (due to fade).
+ remaining += max(clip_length - last_fade_time_seconds, 0.0);
+ }
+ last_fade_time_seconds = min(clip_length, clip.fade_time_seconds);
+ }
+ set_output_status(format_duration(remaining) + " left");
+}
+
+void MainWindow::resizeEvent(QResizeEvent *event)
+{
+ QMainWindow::resizeEvent(event);
+
+ // Ask for a relayout, but only after the event loop is done doing relayout
+ // on everything else.
+ QMetaObject::invokeMethod(this, "relayout", Qt::QueuedConnection);
+}
+
+void MainWindow::relayout()
+{
+ ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
+ ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
+}
+
+void set_pts_in(int64_t pts, int64_t current_pts, ClipProxy &clip)
+{
+ pts = std::max<int64_t>(pts, 0);
+ if (clip->pts_out == -1) {
+ pts = std::min(pts, current_pts);
+ } else {
+ pts = std::min(pts, clip->pts_out);
+ }
+ clip->pts_in = pts;
+}
+
+bool MainWindow::eventFilter(QObject *watched, QEvent *event)
+{
+ constexpr int dead_zone_pixels = 3; // To avoid that simple clicks get misinterpreted.
+ constexpr int scrub_sensitivity = 100; // pts units per pixel.
+ constexpr int wheel_sensitivity = 100; // pts units per degree.
+ constexpr int camera_degrees_per_pixel = 15; // One click of most mice.
+
+ unsigned stream_idx = ui->preview_display->get_stream_idx();
+
+ if (watched == ui->clip_list) {
+ if (event->type() == QEvent::FocusOut) {
+ highlight_camera_input(-1);
+ }
+ return false;
+ }
+
+ if (event->type() != QEvent::Wheel) {
+ last_mousewheel_camera_row = -1;
+ }
+
+ if (event->type() == QEvent::MouseButtonPress) {
+ QMouseEvent *mouse = (QMouseEvent *)event;
+
+ QTableView *destination;
+ ScrubType type;
+
+ if (watched == ui->clip_list->viewport()) {
+ destination = ui->clip_list;
+ type = SCRUBBING_CLIP_LIST;
+ } else if (watched == ui->playlist->viewport()) {
+ destination = ui->playlist;
+ type = SCRUBBING_PLAYLIST;
+ } else {
+ return false;
+ }
+ int column = destination->columnAt(mouse->x());
+ int row = destination->rowAt(mouse->y());
+ if (column == -1 || row == -1)
+ return false;
+
+ if (type == SCRUBBING_CLIP_LIST) {
+ if (ClipList::Column(column) == ClipList::Column::IN) {
+ scrub_pts_origin = cliplist_clips->clip(row)->pts_in;
+ preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
+ } else if (ClipList::Column(column) == ClipList::Column::OUT) {
+ scrub_pts_origin = cliplist_clips->clip(row)->pts_out;
+ preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
+ } else {
+ return false;
+ }
+ } else {
+ if (PlayList::Column(column) == PlayList::Column::IN) {
+ scrub_pts_origin = playlist_clips->clip(row)->pts_in;
+ preview_single_frame(scrub_pts_origin, stream_idx, FIRST_AT_OR_AFTER);
+ } else if (PlayList::Column(column) == PlayList::Column::OUT) {
+ scrub_pts_origin = playlist_clips->clip(row)->pts_out;
+ preview_single_frame(scrub_pts_origin, stream_idx, LAST_BEFORE);
+ } else {
+ return false;
+ }
+ }
+
+ scrubbing = true;
+ scrub_row = row;
+ scrub_column = column;
+ scrub_x_origin = mouse->x();
+ scrub_type = type;
+ } else if (event->type() == QEvent::MouseMove) {
+ if (scrubbing) {
+ QMouseEvent *mouse = (QMouseEvent *)event;
+ int offset = mouse->x() - scrub_x_origin;
+ int adjusted_offset;
+ if (offset >= dead_zone_pixels) {
+ adjusted_offset = offset - dead_zone_pixels;
+ } else if (offset < -dead_zone_pixels) {
+ adjusted_offset = offset + dead_zone_pixels;
+ } else {
+ adjusted_offset = 0;
+ }
+
+ int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
+ currently_deferring_model_changes = true;
+ if (scrub_type == SCRUBBING_CLIP_LIST) {
+ ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
+ if (scrub_column == int(ClipList::Column::IN)) {
+ current_change_id = "cliplist:in:" + to_string(scrub_row);
+ set_pts_in(pts, current_pts, clip);
+ preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
+ } else {
+ current_change_id = "cliplist:out" + to_string(scrub_row);
+ pts = std::max(pts, clip->pts_in);
+ pts = std::min(pts, current_pts);
+ clip->pts_out = pts;
+ preview_single_frame(pts, stream_idx, LAST_BEFORE);
+ }
+ } else {
+ ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
+ if (scrub_column == int(PlayList::Column::IN)) {
+ current_change_id = "playlist:in:" + to_string(scrub_row);
+ set_pts_in(pts, current_pts, clip);
+ preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
+ } else {
+ current_change_id = "playlist:out:" + to_string(scrub_row);
+ pts = std::max(pts, clip->pts_in);
+ pts = std::min(pts, current_pts);
+ clip->pts_out = pts;
+ preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
+ }
+ }
+ currently_deferring_model_changes = false;
+
+ return true; // Don't use this mouse movement for selecting things.
+ }
+ } else if (event->type() == QEvent::Wheel) {
+ QWheelEvent *wheel = (QWheelEvent *)event;
+
+ QTableView *destination;
+ int in_column, out_column, camera_column;
+ if (watched == ui->clip_list->viewport()) {
+ destination = ui->clip_list;
+ in_column = int(ClipList::Column::IN);
+ out_column = int(ClipList::Column::OUT);
+ camera_column = -1;
+ last_mousewheel_camera_row = -1;
+ } else if (watched == ui->playlist->viewport()) {
+ destination = ui->playlist;
+ in_column = int(PlayList::Column::IN);
+ out_column = int(PlayList::Column::OUT);
+ camera_column = int(PlayList::Column::CAMERA);
+ } else {
+ last_mousewheel_camera_row = -1;
+ return false;
+ }
+ int column = destination->columnAt(wheel->x());
+ int row = destination->rowAt(wheel->y());
+ if (column == -1 || row == -1) return false;
+
+ // Only adjust pts with the wheel if the given row is selected.
+ if (!destination->hasFocus() ||
+ row != destination->selectionModel()->currentIndex().row()) {
+ return false;
+ }
+
+ currently_deferring_model_changes = true;
+ {
+ current_change_id = (watched == ui->clip_list->viewport()) ? "cliplist:" : "playlist:";
+ ClipProxy clip = (watched == ui->clip_list->viewport()) ?
+ cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
+ if (watched == ui->playlist->viewport()) {
+ stream_idx = clip->stream_idx;
+ }
+
+ if (column != camera_column) {
+ last_mousewheel_camera_row = -1;
+ }
+ if (column == in_column) {
+ current_change_id += "in:" + to_string(row);
+ int64_t pts = clip->pts_in + wheel->angleDelta().y() * wheel_sensitivity;
+ set_pts_in(pts, current_pts, clip);
+ preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
+ } else if (column == out_column) {
+ current_change_id += "out:" + to_string(row);
+ int64_t pts = clip->pts_out + wheel->angleDelta().y() * wheel_sensitivity;
+ pts = std::max(pts, clip->pts_in);
+ pts = std::min(pts, current_pts);
+ clip->pts_out = pts;
+ preview_single_frame(pts, stream_idx, LAST_BEFORE);
+ } else if (column == camera_column) {
+ current_change_id += "camera:" + to_string(row);
+ int angle_degrees = wheel->angleDelta().y();
+ if (last_mousewheel_camera_row == row) {
+ angle_degrees += leftover_angle_degrees;
+ }
+
+ int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
+ stream_idx = std::max(stream_idx, 0);
+ stream_idx = std::min(stream_idx, NUM_CAMERAS - 1);
+ clip->stream_idx = stream_idx;
+
+ last_mousewheel_camera_row = row;
+ leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
+
+ // Don't update the live view, that's rarely what the operator wants.
+ }
+ }
+ currently_deferring_model_changes = false;
+ return true; // Don't scroll.
+ } else if (event->type() == QEvent::MouseButtonRelease) {
+ scrubbing = false;
}
+ return false;
+}
+
+void MainWindow::preview_single_frame(int64_t pts, unsigned stream_idx, MainWindow::Rounding rounding)
+{
+ if (rounding == LAST_BEFORE) {
+ lock_guard<mutex> lock(frame_mu);
+ if (frames[stream_idx].empty())
+ return;
+ auto it = lower_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts);
+ if (it != frames[stream_idx].end()) {
+ pts = *it;
+ }
+ } else {
+ assert(rounding == FIRST_AT_OR_AFTER);
+ lock_guard<mutex> lock(frame_mu);
+ if (frames[stream_idx].empty())
+ return;
+ auto it = upper_bound(frames[stream_idx].begin(), frames[stream_idx].end(), pts - 1);
+ if (it != frames[stream_idx].end()) {
+ pts = *it;
+ }
+ }
+
+ Clip fake_clip;
+ fake_clip.pts_in = pts;
+ fake_clip.pts_out = pts + 1;
+ preview_player->play_clip(fake_clip, 0, stream_idx);
+}
+
+void MainWindow::playlist_selection_changed()
+{
+ QItemSelectionModel *selected = ui->playlist->selectionModel();
+ bool any_selected = selected->hasSelection();
+ ui->playlist_duplicate_btn->setEnabled(any_selected);
+ ui->playlist_remove_btn->setEnabled(any_selected);
+ ui->playlist_move_up_btn->setEnabled(
+ any_selected && selected->selectedRows().front().row() > 0);
+ ui->playlist_move_down_btn->setEnabled(
+ any_selected && selected->selectedRows().back().row() < int(playlist_clips->size()) - 1);
+ ui->play_btn->setEnabled(!playlist_clips->empty());
+
+ if (!any_selected) {
+ set_output_status("paused");
+ } else {
+ double remaining = 0.0;
+ for (int row = selected->selectedRows().front().row(); row < int(playlist_clips->size()); ++row) {
+ const Clip clip = *playlist_clips->clip(row);
+ remaining += double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5; // FIXME: stop hardcoding speed.
+ }
+ set_output_status(format_duration(remaining) + " ready");
+ }
+}
+
+void MainWindow::clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &)
+{
+ int camera_selected = -1;
+ if (current.column() >= int(ClipList::Column::CAMERA_1) &&
+ current.column() <= int(ClipList::Column::CAMERA_4)) {
+ camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
+ }
+ highlight_camera_input(camera_selected);
+}
+
+void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
+{
+ char time_str[256];
+ if (estimated_seconds_left < 60.0) {
+ strcpy(time_str, "<font color=\"red\">Less than a minute</font>");
+ } else if (estimated_seconds_left < 1800.0) { // Less than half an hour: Xm Ys (red).
+ int s = lrintf(estimated_seconds_left);
+ int m = s / 60;
+ s %= 60;
+ snprintf(time_str, sizeof(time_str), "<font color=\"red\">%dm %ds</font>", m, s);
+ } else if (estimated_seconds_left < 3600.0) { // Less than an hour: Xm.
+ int m = lrintf(estimated_seconds_left / 60.0);
+ snprintf(time_str, sizeof(time_str), "%dm", m);
+ } else if (estimated_seconds_left < 36000.0) { // Less than ten hours: Xh Ym.
+ int m = lrintf(estimated_seconds_left / 60.0);
+ int h = m / 60;
+ m %= 60;
+ snprintf(time_str, sizeof(time_str), "%dh %dm", h, m);
+ } else { // More than ten hours: Xh.
+ int h = lrintf(estimated_seconds_left / 3600.0);
+ snprintf(time_str, sizeof(time_str), "%dh", h);
+ }
+ char buf[256];
+ snprintf(buf, sizeof(buf), "Disk free: %'.0f MB (approx. %s)", free_bytes / 1048576.0, time_str);
+
+ std::string label = buf;
+
+ post_to_main_thread([this, label] {
+ disk_free_label->setText(QString::fromStdString(label));
+ ui->menuBar->setCornerWidget(disk_free_label); // Need to set this again for the sizing to get right.
+ });
+}
+
+void MainWindow::exit_triggered()
+{
+ close();
+}
+
+void MainWindow::highlight_camera_input(int stream_idx)
+{
+ if (stream_idx == 0) {
+ ui->input1_frame->setStyleSheet("background: rgb(0,255,0)");
+ } else {
+ ui->input1_frame->setStyleSheet("");
+ }
+ if (stream_idx == 1) {
+ ui->input2_frame->setStyleSheet("background: rgb(0,255,0)");
+ } else {
+ ui->input2_frame->setStyleSheet("");
+ }
+ if (stream_idx == 2) {
+ ui->input3_frame->setStyleSheet("background: rgb(0,255,0)");
+ } else {
+ ui->input3_frame->setStyleSheet("");
+ }
+ if (stream_idx == 3) {
+ ui->input4_frame->setStyleSheet("background: rgb(0,255,0)");
+ } else {
+ ui->input4_frame->setStyleSheet("");
+ }
+}
+
+void MainWindow::set_output_status(const string &status)
+{
+ ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));
+
+ lock_guard<mutex> lock(queue_status_mu);
+ queue_status = status;
+}
+
+pair<string, string> MainWindow::get_queue_status() const {
+ lock_guard<mutex> lock(queue_status_mu);
+ return {queue_status, "text/plain"};
}