MultimediaWidget::MultimediaWidget(QWidget *parent) : QWidget(parent), ui(new Ui::MultimediaWidget){
ui->setupUi(this); //load the designer file
//Add in the special QMultimediaWidgets
mediaObj = new QMediaPlayer(this);
mediaObj->setVolume(100);
mediaObj->setNotifyInterval(500); //only every 1/2 second update
videoDisplay = new QVideoWidget(this);
videoDisplay->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
ui->videoLayout->addWidget(videoDisplay);
mediaObj->setVideoOutput(videoDisplay);
videoDisplay->setVisible(false);
UpdateIcons();
UpdateText();
//Connect the special signals/slots for the media object
connect(mediaObj, SIGNAL(durationChanged(qint64)), this, SLOT(playerDurationChanged(qint64)) );
connect(mediaObj, SIGNAL(seekableChanged(bool)), ui->playerSlider, SLOT(setEnabled(bool)) );
connect(mediaObj, SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)), this, SLOT(playerStatusChanged(QMediaPlayer::MediaStatus)) );
connect(mediaObj, SIGNAL(positionChanged(qint64)), this, SLOT(playerTimeChanged(qint64)) );
connect(mediaObj, SIGNAL(stateChanged(QMediaPlayer::State)), this, SLOT(playerStateChanged(QMediaPlayer::State)) );
connect(mediaObj, SIGNAL(videoAvailableChanged(bool)), this, SLOT(playerVideoAvailable(bool)) );
connect(mediaObj, SIGNAL(error(QMediaPlayer::Error)), this, SLOT(playerError()) );
//Disable some of the initial states
ui->tool_player_stop->setEnabled(false); //nothing to stop yet
ui->tool_player_pause->setVisible(false); //nothing to pause yet
ui->playerSlider->setEnabled(false); //nothing to seek yet
}
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, _ui(new Ui::MainWindow)
, _midiOutput(new CxxMidi::Output::Default(0))
, _midiPlayer(new CxxMidi::Player::Asynchronous(_midiOutput))
, _midiFile(0)
, _sliderLocked(false)
{
_ui->setupUi(this);
this->createMenuBar();
this->centralWidget()->setDisabled(true);
this->resize(this->minimumSizeHint());
_midiPlayer->setCallbackHeartbeat(&_playerHeartbeatCallback);
connect(&_playerHeartbeatCallback,SIGNAL(playerTimeChanged(CxxMidi::Time::Point)),
this,SLOT(updateTimeCode(CxxMidi::Time::Point)),Qt::QueuedConnection);
_midiPlayer->setCallbackFinished(&_playerFinishedCallback);
connect(&_playerFinishedCallback,SIGNAL(playerFinished()),
this,SLOT(playerFinished()),Qt::QueuedConnection);
connect(_ui->doubleSpinBoxSpeed,SIGNAL(valueChanged(double)),
this,SLOT(onSpeedChange(double)));
connect(_ui->pushButtonPlay,SIGNAL(clicked()),
this,SLOT(onPlayClicked()));
connect(_ui->pushButtonPause,SIGNAL(clicked()),
this,SLOT(onPauseClicked()));
connect(_ui->sliderTimeline,SIGNAL(sliderPressed()),
this,SLOT(onTimeSliderPressed()));
connect(_ui->sliderTimeline,SIGNAL(sliderReleased()),
this,SLOT(onTimeSliderReleased()));
// first argument is file name
if(QApplication::arguments().size() >=2 )
{
QString fileName = QApplication::arguments().at(1);
this->openFile(fileName);
}
// second argument is output num
if(QApplication::arguments().size() >=3)
{
int num = QApplication::arguments().at(2).toInt();
this->setOutput(num);
_outputsActionGroup->actions()[num]->setChecked(true);
}
// auto play
if( QApplication::arguments().size() >= 2)
_midiPlayer->play();
}
