smsinedecoder.hh

// Licensed GNU LGPL v2.1 or later: http://www.gnu.org/licenses/lgpl-2.1.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