MainComponent.cpp

/*
  ==============================================================================

    This file was auto-generated!

  ==============================================================================
*/

#include "MainComponent.h"
//==============================================================================
MainComponent::MainComponent()
{
    // Make sure you set the size of the component after
    // you add any child components.
    setSize (1280, 720);

    // Some platforms require permissions to open input channels so request that here
    if (juce::RuntimePermissions::isRequired (juce::RuntimePermissions::recordAudio)
        && !juce::RuntimePermissions::isGranted (juce::RuntimePermissions::recordAudio))
    {
        juce::RuntimePermissions::request (juce::RuntimePermissions::recordAudio,
                                     [&] (bool granted) { if (granted)  setAudioChannels (2, 2); });
    }  
    else
    {
        // Specify the number of input and output channels that we want to open
        setAudioChannels (0, 2);
    }

    // make the GUI visible 
    addAndMakeVisible(deckGUI1);
    addAndMakeVisible(deckGUI2);

    // make the playlist visible
    addAndMakeVisible(playlist);

    // register the formats before loading the music source: better to be done in the mainComponent module
    formatManager.registerBasicFormats();
}

MainComponent::~MainComponent()
{
    // This shuts down the audio device and clears the audio source.
    shutdownAudio();
}

//==============================================================================
void MainComponent::prepareToPlay (int samplesPerBlockExpected, double sampleRate)
{
    // add player1 or player2 sources, and the mix them if both of them loaded
    player1.prepareToPlay(samplesPerBlockExpected, sampleRate);
    player2.prepareToPlay(samplesPerBlockExpected, sampleRate);
    mixerSource.prepareToPlay(samplesPerBlockExpected, sampleRate);

    // set the original boolean as false for adding audio source
    mixerSource.addInputSource(&player1, false);
    mixerSource.addInputSource(&player2, false);
 }
void MainComponent::getNextAudioBlock (const juce::AudioSourceChannelInfo& bufferToFill)
{
    mixerSource.getNextAudioBlock(bufferToFill);
}

void MainComponent::releaseResources()
{
    // This will be called when the audio device stops, or when it is being
    // restarted due to a setting change.

    // For more details, see the help for AudioProcessor::releaseResources()
    player1.releaseResources();
    player2.releaseResources();
    mixerSource.releaseResources();
}

//==============================================================================
void MainComponent::paint (juce::Graphics& g)
{
    // (Our component is opaque, so we must completely fill the background with a solid colour)
    g.fillAll (getLookAndFeel().findColour (juce::ResizableWindow::backgroundColourId));

}

void MainComponent::resized()
{
    // This is called when the MainContentComponent is resized.
    // If you add any child components, this is where you should
    // update their positions.

    // Depending on how many players you want to add in the program, the division can be changed
    deckGUI1.setBounds(0, 0, getWidth(), getHeight() * 2 / 5);
    deckGUI2.setBounds(0, getHeight() * 2 / 5, getWidth(), getHeight() * 2 / 5);

    // set the position for the playlist (below the two decks)
    playlist.setBounds(0, getHeight() * 4 / 5, getWidth(), getHeight() / 5);
}