#ifndef muz_SIGNAL_HPP
#define muz_SIGNAL_HPP

#include "commons.hpp"

namespace muz
{
  MUZ_ERROR(signal_error);

  /**
   * Audio signal interface.
   * @see Sine
   * @see Constant
   **/
  class Signal
  {
  public:
    explicit Signal();
    virtual ~Signal();

    /**
     * Get the next frame.
     * @param out the output buffer that will contain the next frame.
     **/
    virtual void next(std::vector<float>& out) = 0;
  private:
  };
}

#endif