1 #ifndef __REED_SOLOMON_DECODER_H__
2 #define __REED_SOLOMON_DECODER_H__
8 * Copyright 2010 ZXing authors All rights reserved.
10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
14 * http://www.apache.org/licenses/LICENSE-2.0
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
25 #include <zxing/common/Counted.h>
26 #include <zxing/common/Array.h>
32 class ReedSolomonDecoder {
36 ReedSolomonDecoder(GF256 &fld);
37 ~ReedSolomonDecoder();
38 void decode(ArrayRef<int> received, int twoS);
40 std::vector<Ref<GF256Poly> > runEuclideanAlgorithm(Ref<GF256Poly> a, Ref<GF256Poly> b, int R);
41 ArrayRef<int> findErrorLocations(Ref<GF256Poly> errorLocator);
42 ArrayRef<int> findErrorMagnitudes(Ref<GF256Poly> errorEvaluator, ArrayRef<int> errorLocations);
46 #endif // __REED_SOLOMON_DECODER_H__