DecoderAudibleMultiTone.h

#ifndef __DECODERAUDIBLEMULTITONE__
#define __DECODERAUDIBLEMULTITONE__
 
#include <Decoder.h>
 
#include <vector>
 
#define MAX_DECODE_STRING_SIZE 30  // max decoded string size is 30
 
namespace BEEPING {
class SpectralAnalysis;
class ReedSolomon;
// class Decoder;
 
class DecoderAudibleMultiTone : public Decoder {
 public:
  DecoderAudibleMultiTone(const BeepingConfig& config, float sr, int buffsize,
                          int windowSize);
  ~DecoderAudibleMultiTone(void);
 
  int* mIdxs;
 
  int* mBlockEnergyRatiosMaxToneIdx;
  int* mBlockEnergyRatiosSecondToneIdx;
  int* mToneRepetitions;
 
  int* idxTonesFrontDoorToken1;
  int* idxTonesFrontDoorToken2;
 
  int DecodeAudioBuffer(float* audioBuffer, int size);
  int GetDecodedData(char* stringDecoded);
 
  int GetSpectrum(float* spectrumBuffer);
 
  int AnalyzeStartTokens(float* audioBuffer);
  int AnalyzeToken(float* audioBuffer);
 
  int ComputeStatsStartTokens(void);
  int ComputeStats(void);
 
  int getSizeFilledFrameCircularBuffer();
  int getSizeFilledBlockCircularBuffer();
 
  float ComputeBlockMagSpecSumsCurrentToken(int midFreqBin, int width,
                                            int nbins,
                                            std::vector<float>& sumPerFrame);
  float ComputeBlockMagSpecSumsLastToken(int midFreqBin, int width, int nbins,
                                         std::vector<float>& sumPerFrame);
};
}  // namespace BEEPING
 
#endif  //__DECODERAUDIBLEMULTITONE__