150 lines
4.2 KiB
C++
150 lines
4.2 KiB
C++
#include "speeddialog.h"
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#include <QHBoxLayout>
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#include <QGridLayout>
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#include <QLabel>
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#include <QCheckBox>
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#include <QPushButton>
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#include <QDialogButtonBox>
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#include <QDebug>
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#include "ui/labelslider.h"
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#include "project/clip.h"
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#include "project/sequence.h"
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#include "io/media.h"
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#include "playback/playback.h"
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SpeedDialog::SpeedDialog(QWidget *parent) : QDialog(parent) {
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QVBoxLayout* main_layout = new QVBoxLayout();
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setLayout(main_layout);
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QGridLayout* grid = new QGridLayout();
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grid->setSpacing(6);
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grid->addWidget(new QLabel("Speed:"), 0, 0);
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percent = new LabelSlider();
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percent->decimal_places = 2;
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percent->set_display_type(LABELSLIDER_PERCENT);
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percent->set_default_value(1);
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grid->addWidget(percent, 0, 1);
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grid->addWidget(new QLabel("Frame Rate:"), 1, 0);
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frame_rate = new LabelSlider();
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frame_rate->decimal_places = 3;
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grid->addWidget(frame_rate, 1, 1);
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grid->addWidget(new QLabel("Duration:"), 2, 0);
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duration = new LabelSlider();
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duration->set_display_type(LABELSLIDER_FRAMENUMBER);
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grid->addWidget(duration, 2, 1);
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main_layout->addLayout(grid);
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reverse = new QCheckBox("Reverse");
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main_layout->addWidget(reverse);
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main_layout->addWidget(new QCheckBox("Maintain Audio Pitch"));
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main_layout->addWidget(new QCheckBox("Ripple"));
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QDialogButtonBox* buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
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buttonBox->setCenterButtons(true);
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main_layout->addWidget(buttonBox);
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connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
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connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
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connect(percent, SIGNAL(valueChanged()), this, SLOT(percent_update()));
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connect(frame_rate, SIGNAL(valueChanged()), this, SLOT(frame_rate_update()));
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connect(duration, SIGNAL(valueChanged()), this, SLOT(duration_update()));
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}
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void SpeedDialog::run() {
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bool enable_frame_rate = false;
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default_frame_rate = NAN;
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current_frame_rate = NAN;
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current_percent = NAN;
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default_length = -1;
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current_length = -1;
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for (int i=0;i<clips.size();i++) {
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Clip* c = clips.at(i);
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double clip_percent;
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// get default frame rate/percentage
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if (c->track < 0) {
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double media_frame_rate = c->getMediaFrameRate();
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clip_percent = c->frame_rate / media_frame_rate;
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// get "default" frame rate"
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if (enable_frame_rate) {
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// check if frame rate is equal to default
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if (!qIsNaN(default_frame_rate) && media_frame_rate != default_frame_rate) {
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default_frame_rate = NAN;
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}
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} else {
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default_frame_rate = media_frame_rate;
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}
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enable_frame_rate = true;
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} else {
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clip_percent = c->frame_rate;
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if (i > 0) {
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if (!qIsNaN(default_percent) && c->frame_rate != default_percent) {
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default_percent = NAN;
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}
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} else {
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default_percent = c->frame_rate;
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}
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}
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// get default length
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if (i == 0) {
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current_length = c->getLength();
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default_length = qRound(c->getLength() * clip_percent);
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} else if (current_length != -1 && c->getLength() != current_length) {
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current_length = -1;
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}
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}
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frame_rate->setEnabled(enable_frame_rate);
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frame_rate->set_default_value(default_frame_rate);
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frame_rate->set_value(current_frame_rate, false);
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percent->set_value(current_percent, false);
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duration->set_default_value(default_length);
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exec();
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}
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void SpeedDialog::percent_update() {
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frame_rate->set_value(default_frame_rate * percent->value(), false);
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duration->set_value(clips.at(0)->getLength() / percent->value(), false);
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}
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void SpeedDialog::duration_update() {
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double pc = clips.at(0)->getLength() / duration->value();
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frame_rate->set_value(default_frame_rate * pc, false);
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percent->set_value(pc, false);
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}
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void SpeedDialog::frame_rate_update() {
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double fr = (frame_rate->value());
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double pc = (fr / default_frame_rate);
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percent->set_value(pc, false);
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duration->set_value(clips.at(0)->getLength() / pc, false);
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}
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void SpeedDialog::accept() {
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for (int i=0;i<clips.size();i++) {
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Clip* c = clips.at(i);
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if (c->track < 0) {
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c->frame_rate = frame_rate->value();
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} else {
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c->frame_rate = percent->value();
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}
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close_clip(c);
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}
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QDialog::accept();
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}
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