smsinedecoder.hh

// Licensed GNU LGPL v3 or later: http://www.gnu.org/licenses/lgpl.html

#ifndef SPECTMORPH_SINEDECODER_HH
#define SPECTMORPH_SINEDECODER_HH

#include "smifftsynth.hh"
#include "smaudio.hh"
#include <vector>

namespace SpectMorph {

class SineDecoder
{
public:
  enum Mode {
    MODE_PHASE_SYNC_OVERLAP,
    MODE_PHASE_SYNC_OVERLAP_IFFT,
    MODE_TRACKING
  };
private:
  double mix_freq;
  double fundamental_freq;
  size_t frame_size;
  size_t frame_step;
  std::vector<double> synth_fixed_phase, next_synth_fixed_phase;
  Mode mode;
  SpectMorph::IFFTSynth *ifft_synth;

public:
  SineDecoder (double fundamental_freq, double mix_freq, size_t frame_size, size_t frame_step, Mode mode);
  ~SineDecoder();

  void process (const AudioBlock& block,
                const AudioBlock& next_block,
                const std::vector<double>& window,
                std::vector<float>& decoded_sines);
};

}
#endif