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enginex-mr_series-sherpa-onnx/sherpa-onnx/csrc/offline-transducer-greedy-search-decoder.h
Wei Kang 8562711252 Implement context biasing with a Aho Corasick automata (#145)
* Implement context graph

* Modify the interface to support context biasing

* Support context biasing in modified beam search; add python wrapper

* Support context biasing in python api example

* Minor fixes

* Fix context graph

* Minor fixes

* Fix tests

* Fix style

* Fix style

* Fix comments

* Minor fixes

* Add missing header

* Replace std::shared_ptr with std::unique_ptr for effciency

* Build graph in constructor

* Fix comments

* Minor fixes

* Fix docs
2023-06-16 14:26:36 +08:00

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// sherpa-onnx/csrc/offline-transducer-greedy-search-decoder.h
//
// Copyright (c) 2023 Xiaomi Corporation
#ifndef SHERPA_ONNX_CSRC_OFFLINE_TRANSDUCER_GREEDY_SEARCH_DECODER_H_
#define SHERPA_ONNX_CSRC_OFFLINE_TRANSDUCER_GREEDY_SEARCH_DECODER_H_
#include <vector>
#include "sherpa-onnx/csrc/offline-transducer-decoder.h"
#include "sherpa-onnx/csrc/offline-transducer-model.h"
namespace sherpa_onnx {
class OfflineTransducerGreedySearchDecoder : public OfflineTransducerDecoder {
public:
explicit OfflineTransducerGreedySearchDecoder(OfflineTransducerModel *model)
: model_(model) {}
std::vector<OfflineTransducerDecoderResult> Decode(
Ort::Value encoder_out, Ort::Value encoder_out_length,
OfflineStream **ss = nullptr, int32_t n = 0) override;
private:
OfflineTransducerModel *model_; // Not owned
};
} // namespace sherpa_onnx
#endif // SHERPA_ONNX_CSRC_OFFLINE_TRANSDUCER_GREEDY_SEARCH_DECODER_H_