void GetPositionFromData()
    {
        if (currentData == null)
        {
            currentData = new PtzHeaderData(reader.GetAllData());
        }

        var previousValue = dataBuffer[dataBufferSize - 1].RY;
        var previousDelta = datalines[datalinesBufferSize - 1];

        Debug.Log("previousValue= " + previousValue);
        Debug.Log("previousDelta= " + previousDelta);

        for (var i = 0; i < dataBufferSize - 1; i++)
        {
            dataBuffer[i] = dataBuffer[i + 1];
        }
        for (int i = 0; i < datalinesBufferSize - 1; i++)
        {
            datalines[i] = datalines[i + 1];
        }

        var previousData = currentData;
        currentData = new PtzHeaderData(reader.GetAllData());
        dataBuffer[dataBufferSize - 1] = currentData;
        Debug.Log("currentValue " + currentData.RY);
        double delta = 0;
        double lastDeltasDelta = 0;


        if (previousDelta != Int32.MinValue)
        {
            delta = dataBuffer[dataBufferSize - 1].RY - previousValue;
            Debug.Log("delta= " + delta);
            lastDeltasDelta = Math.Abs(delta - previousDelta);
            Debug.Log("lastDeltasDelta " + lastDeltasDelta);
            if ( lastDeltasDelta >= 100)
            {
                currentData.RY = previousData.RY + (float)previousDelta;
            }
        }
        else
        {
            delta = 0;

        }
        datalines[datalinesBufferSize - 1] = delta;

        var data = currentData;// dataBuffer[currentFrame];

       // Debug.Log("Zoom " + data.Zoom + " " + data.Focus + " " + data.Iris);
        string res = "";
        float rx = (float)(data.RX / 65535 * Math.PI * 2) * Mathf.Rad2Deg;
        float ry = (float)(data.RY / 65535 * Math.PI * 2) * Mathf.Rad2Deg;
        float rz = (float)(data.RZ / 65535 * Math.PI * 2) * Mathf.Rad2Deg;
        CameraRotation = new Vector3(rx, ry, rz);
    }