/**
* Inits audio input.
*/
void GuitarTuner::initAudioInput()
{
// Set up the input format.
m_format_input.setFrequency(DataFrequencyHzInput);
m_format_input.setCodec("audio/pcm");
m_format_input.setSampleSize(16);
m_format_input.setChannels(1);
m_format_input.setByteOrder(QAudioFormat::LittleEndian);
m_format_input.setSampleType(QAudioFormat::SignedInt);
// Obtain a default input device, and if the format is not
// supported, find the nearest format available.
QAudioDeviceInfo inputDeviceInfo(
QAudioDeviceInfo::defaultInputDevice());
if (!inputDeviceInfo.isFormatSupported(m_format_input)) {
m_format_input = inputDeviceInfo.nearestFormat(m_format_input);
}
// Create new QAudioInput and VoiceAnalyzer instances, and store
// them in m_audioInput and m_analyzer, respectively.
// Remember to set the cut-off percentage for voice analyzer.
m_audioInput = new QAudioInput(inputDeviceInfo, m_format_input, this);
m_analyzer = new VoiceAnalyzer(m_format_input, this);
m_analyzer->setCutOffPercentage(qmlObject->property("sensitivity").toReal());
}
void GuitarTuner::initAudioInput()
{
m_format_input.setSampleRate(DataFrequencyHzInput);
m_format_input.setCodec("audio/pcm");
m_format_input.setSampleSize(16);
m_format_input.setChannelCount(1);
m_format_input.setByteOrder(QAudioFormat::LittleEndian);
m_format_input.setSampleType(QAudioFormat::SignedInt);
QAudioDeviceInfo inputDeviceInfo(
QAudioDeviceInfo::defaultInputDevice());
if (!inputDeviceInfo.isFormatSupported(m_format_input)) {
m_format_input = inputDeviceInfo.nearestFormat(m_format_input);
}
m_audioInput = new QAudioInput(inputDeviceInfo, m_format_input, this);
m_analyzer = new VoiceAnalyzer(m_format_input, this);
m_analyzer->setCutOffPercentage(getMicrophoneSensitivity());
}
