#include "Add.hpp"

namespace muz
{
  /*explicit*/ Add::Add(AudioConf const& conf,
                        std::unique_ptr<Signal> lhs,
                        std::unique_ptr<Signal> rhs)
    : m_conf { conf }
    , m_out_left { std::vector<float>(m_conf.channels(), 0.0f) }
    , m_out_right { std::vector<float>(m_conf.channels(), 0.0f) }
    , m_lhs { std::move(lhs) }
    , m_rhs { std::move(rhs) }
  {
  }

  /*virtual*/ Add::~Add()
  {
  }

  void Add::next(std::vector<float>& out) /*override*/
  {
    m_lhs->next(m_out_left);
    m_rhs->next(m_out_right);

    assert(m_out_left.size() == m_out_right.size());
    assert(m_out_left.size() == static_cast<size_t>(m_conf.channels()));

    for (int i=0; i<m_conf.channels(); i++)
      {
        out[i] = m_out_left[i] + m_out_right[i];
      }
  }
}