Method resize

app/src/DSP.h:268–288

* @brief Resizes the queue to a new capacity, preserving the most recent elements. */

   * @brief Resizes the queue to a new capacity, preserving the most recent elements.
   */
  void resize(std::size_t newCapacity)
  {
    if (newCapacity < 1)
      newCapacity = 1;

    if (newCapacity == m_capacity)
      return;

    const std::size_t newStorage = roundUpToPowerOfTwo(newCapacity);
    std::shared_ptr<T[]> newData = makeStorage(newStorage);
    std::size_t elementsToCopy   = std::min(m_size, newCapacity);
    for (std::size_t i = 0; i < elementsToCopy; ++i)
      newData[i] = std::move((*this)[m_size - elementsToCopy + i]);

    m_start           = 0;
    m_size            = elementsToCopy;
    m_capacity        = newCapacity;
    m_storageCapacity = newStorage;
    m_storageMask     = newStorage - 1;
    m_data            = std::move(newData);
  }

private:
  // Plot-scale buffers are written per frame; smaller ones would waste page-locked quota