void ImageProcessor::run()
{
    int bytesPerLine;
    if(_format == QImage::Format_RGB32)
        bytesPerLine = _width * 4;

    QImage img(_buffer, _width, _height, bytesPerLine, _format);

    QTransform transform;
    transform.rotate(90);
    QImage rotatedImage = img.transformed(transform);


    _resultImage->clear();

    QBuffer buffer(_resultImage);

    buffer.open(QIODevice::WriteOnly);
    rotatedImage.save(&buffer, "JPG", 85);
    buffer.close();
}

QObject::moveToThread: Current thread (0x2012268) is not the object's thread (0x2007dc0). Cannot move to target thread (0x21a6218)