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#pragma once
#include "atrac3.h"
#include "atrac1.h"
#include "../aea.h"
#include "../oma.h"
#include "../atrac/atrac1.h"
#include "atrac_scale.h"
#include <vector>
#include <utility>
namespace NAtracDEnc {
namespace NAtrac3 {
struct TTonalComponent {
TTonalComponent(const TAtrac3Data::TTonalVal* valPtr, uint8_t quantIdx, const TScaledBlock& scaledBlock)
: ValPtr(valPtr)
, QuantIdx(quantIdx)
, ScaledBlock(scaledBlock)
{}
const TAtrac3Data::TTonalVal* ValPtr = nullptr;
uint8_t QuantIdx = 0;
TScaledBlock ScaledBlock;
};
class TAtrac3BitStreamWriter : public virtual TAtrac3Data {
struct TTonalComponentsSubGroup {
std::vector<uint8_t> SubGroupMap;
std::vector<const TTonalComponent*> SubGroupPtr;
};
TOma* Container;
const TContainerParams Params;
std::vector<char> OutBuffer;
uint32_t CLCEnc(const uint32_t selector, const int mantissas[MaxSpecsPerBlock],
const uint32_t blockSize, NBitStream::TBitStream* bitStream);
uint32_t VLCEnc(const uint32_t selector, const int mantissas[MaxSpecsPerBlock],
const uint32_t blockSize, NBitStream::TBitStream* bitStream);
std::vector<uint32_t> CalcBitsAllocation(const std::vector<TScaledBlock>& scaledBlocks,
uint32_t bfuNum, TFloat spread, TFloat shift);
std::pair<uint8_t, std::vector<uint32_t>> CreateAllocation(const std::vector<TScaledBlock>& scaledBlocks,
uint16_t bitsUsed, int mt[MaxSpecs]);
std::pair<uint8_t, uint32_t> CalcSpecsBitsConsumption(const std::vector<TScaledBlock>& scaledBlocks,
const std::vector<uint32_t>& precisionPerEachBlocks,
int* mantisas);
void EncodeSpecs(const std::vector<TScaledBlock>& scaledBlocks, NBitStream::TBitStream* bitStream,
uint16_t bitsUsed);
uint8_t GroupTonalComponents(const std::vector<TTonalComponent>& tonalComponents,
TTonalComponentsSubGroup groups[64]);
uint16_t EncodeTonalComponents(const std::vector<TTonalComponent>& tonalComponents,
NBitStream::TBitStream* bitStream, uint8_t numQmfBand);
public:
TAtrac3BitStreamWriter(TOma* container, const TContainerParams& params) //no mono mode for atrac3
: Container(container)
, Params(params)
{
}
void WriteSoundUnit(const TAtrac3Data::SubbandInfo& subbandInfo,
const std::vector<TTonalComponent>& tonalComponents,
const std::vector<TScaledBlock>& scaledBlocks);
};
} // namespace NAtrac3
} // namespace NAtracDEnc
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