swplayercontrol.cpp

/***************************************************************************
 
    source::worx raDIYo
    Copyright © 2020-2022 c.holzheuer
    c.holzheuer@sourceworx.org
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
***************************************************************************/
 
 
#include <QDebug>
#include <QPainter>
 
#include <swplayercontrol.h>
 
 
SWPlayerControl::SWPlayerControl( SWRaDIYoMainWidget* parent )
:   SWAbstractControl( parent )
{
    setupUi( this );
    _audioProbe.setSource( &_player );
 
    connect( &_audioProbe, SIGNAL( audioBufferProbed(QAudioBuffer) ), this, SLOT(onAudioProbed(QAudioBuffer) ) );
    connect( &_FFTCalc, SIGNAL( spectrumReady(SWDoubleVec) ), this, SLOT( onSpectrumReady(SWDoubleVec) ) );
 
 
    const auto deviceInfos = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
    for (const QAudioDeviceInfo &deviceInfo : deviceInfos)
        qDebug() << "Device name: " << deviceInfo.deviceName();
    const QAudioDeviceInfo& defDev = QAudioDeviceInfo::defaultOutputDevice();
    qDebug() << "Default Device name: " << defDev.deviceName();
 
}
 
SWPlayerControl::~SWPlayerControl()
{
 
}
 
void SWPlayerControl::loadSettings()
{
 
}
 
void SWPlayerControl::saveSettings()
{
 
}
 
void SWPlayerControl::onDialClicked()
{
      qDebug() << "player onClick";
 
}
 
 
void SWPlayerControl::onDialValueChanged( int value )
{
    // ??
    _volume = value;
    _player.setVolume( _volume );
 
}
 
 
void SWPlayerControl::onAudioProbed( QAudioBuffer audiobuffer )
{
 
    _FFTCalc.collectFrames( audiobuffer );
 
}
 
 
void SWPlayerControl::onSpectrumReady( const SWDoubleVec& spectrum )
{
 
    // hier verteilen wir das gesamtspectrum
    // auf die xx balken des Displays
    int numbins = _spectrumWidget->numBars();
    //int numvals = spectrum.size();
    int numvals = spectrum.size() / 4 * 2;
    //int numvals = spectrum.size() / 3 * 2;
    int divider = numvals / numbins;
    QVector<int>  bins( numbins );
    SWDoubleVec   vals( numbins );
 
    for( int i=0; i<numvals; ++i )
    {
        bins[ i/divider ]++;
        vals[ i/divider ] += spectrum[i];
        // oder max: bar.value = qMax(bar.value, e.amplitude);
    }
    // durchschnitt bilden
    for( int i=0; i<numbins; ++i )
    {
        if( bins[i] )
            vals[ i ] /= bins[i];
    }
    _spectrumWidget->onValueListChanged( vals );
 
}
 
 
void SWPlayerControl::startPlaying( const QString& urlText )
{
 
    QUrl url( urlText );
    qDebug() << "SWPlayerControl::startPlaying: local" << urlText << " local: " << url.toLocalFile();
    _player.stop();
    _player.setMedia( url );
    _player.setVolume( _volume );
    _player.play();
}
 
 
void SWPlayerControl::stopPlaying()
{
 
    qDebug() << "SWPlayerControl::stopPlaying: ";
 
    _player.stop();
    _spectrumWidget->clearValueList();
}