void AudioRecorder::startRecording(){
if(recorder->state() != QMediaRecorder::StoppedState)
return;
source->setAudioInput(source->defaultAudioInput());
QAudioEncoderSettings encoderSettings;
encoderSettings.setChannelCount(1);
encoderSettings.setSampleRate(44000);
// for FLAC encoding:
encoderSettings.setCodec("audio/FLAC");
encoderSettings.setEncodingMode(QtMultimediaKit::ConstantQualityEncoding);
encoderSettings.setQuality(QtMultimediaKit::EncodingQuality(QtMultimediaKit::VeryLowQuality));
recorder->setEncodingSettings(encoderSettings);
recorder->record();
}
void AudioRecorder::toggleRecord()
{
if (audioRecorder->state() == QMediaRecorder::StoppedState) {
audioRecorder->setAudioInput(boxValue(ui->audioDeviceBox).toString());
QAudioEncoderSettings settings;
settings.setCodec(boxValue(ui->audioCodecBox).toString());
settings.setSampleRate(boxValue(ui->sampleRateBox).toInt());
settings.setBitRate(boxValue(ui->bitrateBox).toInt());
settings.setChannelCount(boxValue(ui->channelsBox).toInt());
settings.setQuality(QMultimedia::EncodingQuality(ui->qualitySlider->value()));
settings.setEncodingMode(ui->constantQualityRadioButton->isChecked() ?
QMultimedia::ConstantQualityEncoding :
QMultimedia::ConstantBitRateEncoding);
QString container = boxValue(ui->containerBox).toString();
audioRecorder->setEncodingSettings(settings, QVideoEncoderSettings(), container);
audioRecorder->record();
}
else {
audioRecorder->stop();
}
}
