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qDebug() << "Попугаев: " << i;

a = file.ReadInt();
b = file.ReadShort();
c = file.ReadLong();

void Widget::startrec()
{
    outFile.setFileName("record.raw");
    outFile.open(QIODevice::WriteOnly|QIODevice::Truncate);

    // prepare to record
    QAudioFormat format;
    QTimer* timer = new QTimer;
    format.setFrequency(8000);
    format.setCodec("audio/pcm");
    format.setChannels(2);
    format.setSampleSize(8);
    format.setByteOrder( QAudioFormat::LittleEndian);
    format.setSampleType(QAudioFormat::UnSignedInt);

    QAudioDeviceInfo info = QAudioDeviceInfo::defaultInputDevice();
    if (!info.isFormatSupported(format)) {
    qWarning()<<"default format not supported try to use nearest";
    format = info.nearestFormat(format);
    }

    inSignal = new QAudioInput(format, reinterpret_cast<QObject*>(this));
    inSignal->start(&outFile);

    timer->setSingleShot(true);
    connect(timer, SIGNAL(timeout()), this, SLOT(stoprec()));
    timer->setSingleShot(true);
    timer->start(10000);

    qDebug() << "file: " << outFile.size()<< " timer is singleshot:" << timer->isSingleShot();
    ui->checkBox->setChecked(true);
}

void Widget::stoprec()
{
    inSignal->stop();
        qDebug() << "file: " << outFile.size();
    outFile.close();
    delete inSignal;
    ui->checkBox->setChecked(false);
    //timer->stop();
}

    // QAudioFormat settings; // Задаем формат
    settings.setFrequency(8000); // Квантование по времени - 8000 замеров/с
    settings.setChannels(1); // 1 канал - моно
    settings.setSampleSize(8); // Глубина кодирования - 16 бит
    settings.setCodec("audio/pcm"); // Формат
    settings.setByteOrder(QAudioFormat::LittleEndian); // Порядок байтов
    settings.setSampleType(QAudioFormat::SignedInt); // Тип данных
...
    audioInput = new QAudioInput(settings);
    // audioInput->setBufferSize(256);
    audioInput->start( &buffer);

    QTimer* timer = new QTimer;
    qDebug() << "Buffer1: " << buffer.bytesAvailable();
    timer->setSingleShot(true);
    connect(timer, SIGNAL(timeout()), this, SLOT(stopRecording()));
    timer->start(100);

void Widget::stopRecording(){

   qDebug() << "2: " << buffer->bytesAvailable();
   if(audioInput!=0)
        if(audioInput->state()==QAudio::ActiveState)
        audioInput->stop();
   qDebug() << "2: " ; //<< buffer->bytesAvailable();
   delete audioInput;
   delete buffer;
}

    //============= test block
    QByteArray output_bytes;
    QAudioInput* audioInput;
    QAudioFormat settings;
    QBuffer buffer;

    // Set up the format, eg.
    settings.setFrequency(8000);
    settings.setChannels(1);
    settings.setSampleSize(16);
    settings.setCodec("audio/pcm");
    settings.setByteOrder(QAudioFormat::LittleEndian);
    settings.setSampleType(QAudioFormat::UnSignedInt);

    if (!buffer.isOpen())
    buffer.setBuffer(&output_bytes);
    buffer.open(QIODevice::ReadWrite | QIODevice::Append);// :Truncate);

    if (!info.isFormatSupported(settings))
    {
      qWarning() << "default format not supported try to use nearest";
      this->settings = info.nearestFormat(settings);
    }
    audioInput = new QAudioInput(settings, this);
    audioInput->start( &buffer);