296 lines
9.2 KiB
C++
296 lines
9.2 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "speeddurationdialog.h"
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#include <QDialogButtonBox>
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#include <QGridLayout>
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#include <QGroupBox>
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#include <QMessageBox>
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#include "core.h"
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#include "widget/nodeparamview/nodeparamviewundo.h"
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#include "widget/timelinewidget/undo/timelineundopointer.h"
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namespace olive {
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#define super QDialog
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SpeedDurationDialog::SpeedDurationDialog(const QVector<ClipBlock *> &clips, const rational &timebase, QWidget *parent) :
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super(parent),
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clips_(clips),
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timebase_(timebase)
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{
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setWindowTitle(tr("Clip Properties"));
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QVBoxLayout *layout = new QVBoxLayout(this);
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{
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QGroupBox *speed_group = new QGroupBox(tr("Speed/Duration"));
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layout->addWidget(speed_group);
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QGridLayout *speed_layout = new QGridLayout(speed_group);
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int row = 0;
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speed_layout->addWidget(new QLabel(tr("Speed:")), row, 0);
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speed_slider_ = new FloatSlider();
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speed_slider_->SetDisplayType(FloatSlider::kPercentage);
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connect(speed_slider_, &FloatSlider::ValueChanged, this, &SpeedDurationDialog::SpeedChanged);
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speed_layout->addWidget(speed_slider_, row, 1);
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row++;
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speed_layout->addWidget(new QLabel(tr("Duration:")), row, 0);
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dur_slider_ = new RationalSlider();
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dur_slider_->SetTimebase(timebase);
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dur_slider_->SetDisplayType(RationalSlider::kTime);
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connect(dur_slider_, &RationalSlider::ValueChanged, this, &SpeedDurationDialog::DurationChanged);
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speed_layout->addWidget(dur_slider_, row, 1);
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row++;
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link_box_ = new QCheckBox(tr("Link Speed and Duration"));
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link_box_->setChecked(true);
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speed_layout->addWidget(link_box_, row, 0, 1, 2);
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row++;
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reverse_box_ = new QCheckBox(tr("Reverse"));
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speed_layout->addWidget(reverse_box_, row, 0, 1, 2);
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row++;
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maintain_audio_pitch_box_ = new QCheckBox(tr("Maintain Audio Pitch"));
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speed_layout->addWidget(maintain_audio_pitch_box_, row, 0, 1, 2);
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row++;
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ripple_box_ = new QCheckBox(tr("Ripple Trailing Clips"));
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speed_layout->addWidget(ripple_box_, row, 0, 1, 2);
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}
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{
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auto loop_box = new QGroupBox(tr("Loop"));
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layout->addWidget(loop_box);
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auto loop_layout = new QGridLayout(loop_box);
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int row = 0;
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loop_layout->addWidget(new QLabel(tr("Loop:")), row, 0);
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loop_combo_ = new QComboBox();
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loop_combo_->addItem(tr("None"), Decoder::kLoopModeOff);
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loop_combo_->addItem(tr("Loop"), Decoder::kLoopModeLoop);
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loop_combo_->addItem(tr("Clamp"), Decoder::kLoopModeClamp);
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loop_layout->addWidget(loop_combo_, row, 1);
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}
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QDialogButtonBox *btns = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
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btns->setCenterButtons(true);
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connect(btns, &QDialogButtonBox::accepted, this, &SpeedDurationDialog::accept);
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connect(btns, &QDialogButtonBox::rejected, this, &SpeedDurationDialog::reject);
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layout->addWidget(btns);
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// Determine which speed value to use
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start_speed_ = clips.first()->speed();
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start_duration_ = clips.first()->length();
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start_reverse_ = clips.first()->reverse();
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start_maintain_audio_pitch_ = clips.first()->maintain_audio_pitch();
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start_loop_ = clips.first()->loop_mode();
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for (int i=1; i<clips.size(); i++) {
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ClipBlock *c = clips.at(i);
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if (!qIsNaN(start_speed_) && !qFuzzyCompare(start_speed_, c->speed())) {
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// Speed differs per clip
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start_speed_ = qSNaN();
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}
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if (start_duration_ != -1 && c->length() != start_duration_) {
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start_duration_ = -1;
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}
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// Yes, in theory a bool should only ever be 0 or 1 anyway, but MSVC complained and it is
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// *possible* that a bool could be something else, so this code is safer
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int clip_reverse = c->reverse() ? 1 : 0;
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int clip_maintain_pitch = c->maintain_audio_pitch() ? 1 : 0;
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if (start_reverse_ != -1 && clip_reverse != start_reverse_) {
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start_reverse_ = -1;
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}
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if (start_maintain_audio_pitch_ != -1 && clip_maintain_pitch != start_maintain_audio_pitch_) {
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start_maintain_audio_pitch_ = -1;
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}
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if (start_loop_ != -1 && c->loop_mode() != start_loop_) {
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start_loop_ = -1;
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}
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}
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if (qIsNaN(start_speed_)) {
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speed_slider_->SetTristate();
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} else {
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speed_slider_->SetValue(start_speed_);
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}
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if (start_duration_ == -1) {
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dur_slider_->SetTristate();
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} else {
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dur_slider_->SetValue(start_duration_);
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}
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if (start_reverse_ == -1) {
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reverse_box_->setTristate();
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} else {
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reverse_box_->setChecked(start_reverse_);
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}
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if (start_maintain_audio_pitch_ == -1) {
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maintain_audio_pitch_box_->setTristate();
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} else {
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maintain_audio_pitch_box_->setChecked(start_maintain_audio_pitch_);
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}
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if (start_loop_ == -1) {
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loop_combo_->setCurrentIndex(-1);
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} else {
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loop_combo_->setCurrentIndex(start_loop_);
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}
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}
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void SpeedDurationDialog::accept()
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{
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MultiUndoCommand *command = new MultiUndoCommand();
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// Set duration values
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TimelineRippleDeleteGapsAtRegionsCommand::RangeList ripple_ranges;
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foreach (ClipBlock *c, clips_) {
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rational proposed_length = c->length();
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if (dur_slider_->IsTristate()) {
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if (link_box_->isChecked() && !speed_slider_->IsTristate()) {
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proposed_length = GetLengthAdjustment(c->length(), c->speed(), speed_slider_->GetValue(), timebase_);
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}
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} else {
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proposed_length = dur_slider_->GetValue();
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}
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if (proposed_length != c->length()) {
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// Clip length should ideally change, but check if there's "room" to do so
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if (proposed_length > c->length() && c->next()) {
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if (GapBlock *gap = dynamic_cast<GapBlock*>(c->next())) {
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proposed_length = qMin(proposed_length, gap->out() - c->in());
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} else {
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proposed_length = c->length();
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}
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}
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if (proposed_length != c->length()) {
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command->add_child(new BlockTrimCommand(c->track(), c, proposed_length, Timeline::kTrimOut));
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ripple_ranges.append({c->track(), TimeRange(c->in() + proposed_length, c->out())});
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}
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}
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}
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if (ripple_box_->isChecked()) {
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command->add_child(new TimelineRippleDeleteGapsAtRegionsCommand(clips_.first()->track()->sequence(), ripple_ranges));
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}
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// Set speed values
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if (speed_slider_->IsTristate()) {
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if (link_box_->isChecked() && !dur_slider_->IsTristate()) {
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// Automatically determine speed from duration
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foreach (ClipBlock *c, clips_) {
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command->add_child(new NodeParamSetStandardValueCommand(NodeKeyframeTrackReference(NodeInput(c, ClipBlock::kSpeedInput)), GetSpeedAdjustment(c->speed(), c->length(), dur_slider_->GetValue())));
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}
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}
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} else {
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// Set speeds to value of slider
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foreach (ClipBlock *c, clips_) {
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command->add_child(new NodeParamSetStandardValueCommand(NodeKeyframeTrackReference(NodeInput(c, ClipBlock::kSpeedInput)), speed_slider_->GetValue()));
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}
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}
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// Set reverse values
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if (!reverse_box_->isTristate()) {
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foreach (ClipBlock *c, clips_) {
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command->add_child(new NodeParamSetStandardValueCommand(NodeKeyframeTrackReference(NodeInput(c, ClipBlock::kReverseInput)), reverse_box_->isChecked()));
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}
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}
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// Set reverse values
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if (!maintain_audio_pitch_box_->isTristate()) {
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foreach (ClipBlock *c, clips_) {
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command->add_child(new NodeParamSetStandardValueCommand(NodeKeyframeTrackReference(NodeInput(c, ClipBlock::kMaintainAudioPitchInput)), maintain_audio_pitch_box_->isChecked()));
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}
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}
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if (loop_combo_->currentIndex() != -1) {
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foreach (ClipBlock *c, clips_) {
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command->add_child(new NodeParamSetStandardValueCommand(NodeKeyframeTrackReference(NodeInput(c, ClipBlock::kLoopModeInput)), loop_combo_->currentData()));
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}
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}
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Core::instance()->undo_stack()->push(command);
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super::accept();
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}
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rational SpeedDurationDialog::GetLengthAdjustment(const rational &original_length, double original_speed, double new_speed, const rational &timebase)
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{
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return Timecode::snap_time_to_timebase(rational::fromDouble(original_length.toDouble() / new_speed * original_speed), timebase);
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}
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double SpeedDurationDialog::GetSpeedAdjustment(double original_speed, const rational &original_length, const rational &new_length)
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{
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return original_speed / new_length.toDouble() * original_length.toDouble();
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}
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void SpeedDurationDialog::SpeedChanged(double s)
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{
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if (!link_box_->isChecked()) {
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return;
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}
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if (start_duration_ == -1) {
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dur_slider_->SetTristate();
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} else {
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dur_slider_->SetValue(GetLengthAdjustment(start_duration_, start_speed_, s, timebase_));
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}
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}
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void SpeedDurationDialog::DurationChanged(const rational &r)
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{
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if (!link_box_->isChecked()) {
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return;
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}
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if (qIsNaN(start_speed_)) {
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speed_slider_->SetTristate();
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} else {
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speed_slider_->SetValue(GetSpeedAdjustment(start_speed_, start_duration_, r));
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}
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}
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}
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