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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef _BC_REEDSOLOMONDECODER_H_
#define _BC_REEDSOLOMONDECODER_H_
class CBC_ReedSolomonGF256;
class CBC_ReedSolomonGF256Poly;
class CBC_ReedSolomonDecoder {
private:
CBC_ReedSolomonGF256* m_field;
public:
CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field);
virtual ~CBC_ReedSolomonDecoder();
void Decode(CFX_Int32Array* received, int32_t twoS, int32_t& e);
CFX_PtrArray* RunEuclideanAlgorithm(CBC_ReedSolomonGF256Poly* a,
CBC_ReedSolomonGF256Poly* b,
int32_t R,
int32_t& e);
CFX_Int32Array* FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator,
int32_t& e);
CFX_Int32Array* FindErrorMagnitudes(CBC_ReedSolomonGF256Poly* errorEvaluator,
CFX_Int32Array* errorLocations,
FX_BOOL dataMatrix,
int32_t& e);
};
#endif
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