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/*
* This file is part of AtracDEnc.
*
* AtracDEnc is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* AtracDEnc is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with AtracDEnc; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include <array>
#include <vector>
#include <map>
#include <cstdint>
#include "lib/bitstream/bitstream.h"
#include "../config.h"
namespace NAtracDEnc {
float QuantMantisas(const float* in, uint32_t first, uint32_t last, float mul, bool ea, int* mantisas);
struct TScaledBlock {
TScaledBlock(uint8_t sfi) : ScaleFactorIndex(sfi) {}
/* const */ uint8_t ScaleFactorIndex = 0;
std::vector<float> Values;
float MaxEnergy;
};
template <class TBaseData>
class TScaler {
std::map<float, uint8_t> ScaleIndex;
public:
TScaler();
TScaledBlock Scale(const float* in, uint16_t len);
std::vector<TScaledBlock> ScaleFrame(const std::vector<float>& specs, const typename TBaseData::TBlockSizeMod& blockSize);
};
} //namespace NAtracDEnc
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