50 lines
1.6 KiB
C++
Executable File
50 lines
1.6 KiB
C++
Executable File
#ifndef __REED_SOLOMON_DECODER_H__
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#define __REED_SOLOMON_DECODER_H__
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/*
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* ReedSolomonDecoder.h
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* zxing
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*
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* Copyright 2010 ZXing authors All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <memory>
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#include <vector>
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#include <zxing/common/Counted.h>
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#include <zxing/common/Array.h>
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#include <zxing/common/reedsolomon/GenericGFPoly.h>
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#include <zxing/common/reedsolomon/GenericGF.h>
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namespace zxing {
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class GenericGFPoly;
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class GenericGF;
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class ReedSolomonDecoder {
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private:
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Ref<GenericGF> field;
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public:
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ReedSolomonDecoder(Ref<GenericGF> fld);
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~ReedSolomonDecoder();
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void decode(ArrayRef<int> received, int twoS);
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std::vector<Ref<GenericGFPoly> > runEuclideanAlgorithm(Ref<GenericGFPoly> a, Ref<GenericGFPoly> b, int R);
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private:
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ArrayRef<int> findErrorLocations(Ref<GenericGFPoly> errorLocator);
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ArrayRef<int> findErrorMagnitudes(Ref<GenericGFPoly> errorEvaluator, ArrayRef<int> errorLocations);
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};
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}
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#endif // __REED_SOLOMON_DECODER_H__
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