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#pragma once
#include "pcmengin.h"
#include "aea.h"
#include "atrac_encode_settings.h"
#include "transient_detector.h"
#include "atrac/atrac1.h"
#include "atrac/atrac1_qmf.h"
#include "atrac/atrac_scale.h"
#include "mdct/mdct.h"
#include <assert.h>
#include <vector>
namespace NAtracDEnc {
enum EMode {
E_ENCODE = 1,
E_DECODE = 2
};
class TAtrac1MDCT : public virtual TAtrac1Data {
NMDCT::TMDCT<512> Mdct512;
NMDCT::TMDCT<256> Mdct256;
NMDCT::TMDCT<64> Mdct64;
NMDCT::TMIDCT<512> Midct512;
NMDCT::TMIDCT<256> Midct256;
public:
void IMdct(double specs[512], const TBlockSize& mode, double* low, double* mid, double* hi);
void Mdct(double specs[512], double* low, double* mid, double* hi, const TBlockSize& blockSize);
TAtrac1MDCT()
: Mdct512(2)
, Mdct256(1)
{}
};
class TAtrac1Processor : public IProcessor<double>, public TAtrac1MDCT, public virtual TAtrac1Data {
TAeaPtr Aea;
const TAtrac1EncodeSettings Settings;
double PcmBufLow[2][256 + 16];
double PcmBufMid[2][256 + 16];
double PcmBufHi[2][512 + 16];
int32_t PcmValueMax = 32767;
int32_t PcmValueMin = -32767;
Atrac1SynthesisFilterBank<double> SynthesisFilterBank[2];
Atrac1SplitFilterBank<double> SplitFilterBank[2];
class TTransientDetectors {
std::vector<TTransientDetector> transientDetectorLow;
std::vector<TTransientDetector> transientDetectorMid;
std::vector<TTransientDetector> transientDetectorHi;
public:
TTransientDetectors()
: transientDetectorLow(2, TTransientDetector(16, 128))
, transientDetectorMid(2, TTransientDetector(16, 128))
, transientDetectorHi(2, TTransientDetector(16, 256))
{}
TTransientDetector& GetDetector(uint32_t channel, uint32_t band) {
switch (band) {
case 0:
return transientDetectorLow[channel];
break;
case 1:
return transientDetectorMid[channel];
break;
case 2:
return transientDetectorHi[channel];
break;
default:
assert(false);
return transientDetectorLow[channel];
}
}
};
TAtrac1Processor::TTransientDetectors TransientDetectors;
TScaler<TAtrac1Data> Scaler;
public:
TAtrac1Processor(TAeaPtr&& aea, TAtrac1EncodeSettings&& settings);
TPCMEngine<double>::TProcessLambda GetDecodeLambda() override;
TPCMEngine<double>::TProcessLambda GetEncodeLambda() override;
};
}
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