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#pragma once
#include "pcmengin.h"
#include "oma.h"
#include "aea.h"
#include "atrac/atrac3.h"
#include "atrac/atrac3_qmf.h"
#include "atrac/atrac_scale.h"
#include "mdct/mdct.h"
#include "gain_processor.h"
#include <functional>
#include <array>
namespace NAtracDEnc {
class TAtrac3MDCT : public virtual TAtrac3Data {
NMDCT::TMDCT<512> Mdct512;
NMDCT::TMIDCT<512> Midct512;
public:
typedef TGainProcessor<TAtrac3Data> TAtrac3GainProcessor;
TAtrac3GainProcessor GainProcessor;
public:
using TGainModulator = TAtrac3GainProcessor::TGainModulator;
using TGainDemodulator = TAtrac3GainProcessor::TGainDemodulator;
typedef std::array<TGainDemodulator, 4> TGainDemodulatorArray;
typedef std::array<TGainModulator, 4> TGainModulatorArray;
void Mdct(double specs[1024], double* bands[4], TGainModulatorArray gainModulators = TGainModulatorArray());
void Midct(double specs[1024], double* bands[4], TGainDemodulatorArray gainDemodulators = TGainDemodulatorArray());
protected:
TAtrac3MDCT::TGainModulatorArray MakeGainModulatorArray(const TAtrac3Data::SubbandInfo& si);
};
class TAtrac3Processor : public IProcessor<double>, public TAtrac3MDCT, public virtual TAtrac3Data {
TAeaPtr Oma;
const TContainerParams Params;
double PcmBuffer[2][4][256 + 256]; //2 channel, 4 band, 256 sample + 256 for overlap buffer
Atrac3SplitFilterBank<double> SplitFilterBank[2];
TScaler<TAtrac3Data> Scaler;
public:
TAtrac3Processor(TAeaPtr&& oma, const TContainerParams& params);
~TAtrac3Processor();
TPCMEngine<double>::TProcessLambda GetDecodeLambda() override;
TPCMEngine<double>::TProcessLambda GetEncodeLambda() override;
};
}
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