#ifndef muz_SUB_HPP
#define muz_SUB_HPP

#include "commons.hpp"
#include "Signal.hpp"
#include "AudioConf.hpp"

namespace muz
{
  /**
   * Substraction of two input signals.
   **/
  class Sub: public Signal
  {
  public:
    explicit Sub(AudioConf const& conf,
                 std::unique_ptr<Signal> lhs,
                 std::unique_ptr<Signal> rhs);
    virtual ~Sub();

    void next(std::vector<float>& out) override;

  private:
    AudioConf m_conf;
    std::vector<float> m_out_left;
    std::vector<float> m_out_right;
    std::unique_ptr<Signal> m_lhs;
    std::unique_ptr<Signal> m_rhs;
  };
}

#endif