56 lines
1.5 KiB
56 lines
1.5 KiB
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// Copyright (c) 2022 PaddlePaddle 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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#pragma once
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#include "base/common.h"
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#include "kaldi/decoder/decodable-itf.h"
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namespace ppspeech {
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class DecoderInterface {
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public:
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virtual ~DecoderInterface() {}
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virtual void InitDecoder() = 0;
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virtual void Reset() = 0;
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virtual void AdvanceDecode(
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const std::shared_ptr<kaldi::DecodableInterface>& decodable) = 0;
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virtual std::string GetFinalBestPath() = 0;
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virtual std::string GetPartialResult() = 0;
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// void Decode();
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// std::string GetBestPath();
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// std::vector<std::pair<double, std::string>> GetNBestPath();
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// int NumFrameDecoded();
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// int DecodeLikelihoods(const std::vector<std::vector<BaseFloat>>& probs,
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// std::vector<std::string>& nbest_words);
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private:
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// void AdvanceDecoding(kaldi::DecodableInterface* decodable);
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// current decoding frame number
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int32 num_frame_decoded_;
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};
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} // namespace ppspeech
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