JUCE, load file to AudioBuffer

LoadFileToAudioBuffer.cpp

AudioBuffer<float> buffer;

juce::File file("D:/test.wav");

AudioFormatManager formatManager;
formatManager.registerBasicFormats();

auto* reader = formatManager.createReaderFor(file);

if (reader != nullptr)
{
  buffer.setSize(reader->numChannels, (int)reader->lengthInSamples);
  reader->read(&buffer,
    0,
    (int)reader->lengthInSamples,
    0,
    true,
    true);
}