63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
// sherpa-onnx/csrc/online-cnn-bilstm-model.h
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//
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// Copyright (c) 2024 Jian You (jianyou@cisco.com, Cisco Systems)
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#ifndef SHERPA_ONNX_CSRC_ONLINE_CNN_BILSTM_MODEL_H_
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#define SHERPA_ONNX_CSRC_ONLINE_CNN_BILSTM_MODEL_H_
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#include <memory>
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#include <utility>
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#if __ANDROID_API__ >= 9
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#include "android/asset_manager.h"
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#include "android/asset_manager_jni.h"
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#endif
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#include "onnxruntime_cxx_api.h" // NOLINT
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#include "sherpa-onnx/csrc/online-cnn-bilstm-model-meta-data.h"
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#include "sherpa-onnx/csrc/online-punctuation-model-config.h"
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namespace sherpa_onnx {
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/** This class implements
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* https://github.com/frankyoujian/Edge-Punct-Casing/blob/main/onnx_decode_sentence.py
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*/
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class OnlineCNNBiLSTMModel {
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public:
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explicit OnlineCNNBiLSTMModel(const OnlinePunctuationModelConfig &config);
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#if __ANDROID_API__ >= 9
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OnlineCNNBiLSTMModel(AAssetManager *mgr,
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const OnlinePunctuationModelConfig &config);
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#endif
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~OnlineCNNBiLSTMModel();
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/** Run the forward method of the model.
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*
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* @param token_ids A tensor of shape (N, T) of dtype int32.
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* @param valid_ids A tensor of shape (N, T) of dtype int32.
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* @param label_lens A tensor of shape (N) of dtype int32.
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*
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* @return Return a pair of tensors
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* - case_logits: A 2-D tensor of shape (T', num_cases).
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* - punct_logits: A 2-D tensor of shape (T', num_puncts).
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*/
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std::pair<Ort::Value, Ort::Value> Forward(Ort::Value token_ids,
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Ort::Value valid_ids,
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Ort::Value label_lens) const;
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/** Return an allocator for allocating memory
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*/
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OrtAllocator *Allocator() const;
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const OnlineCNNBiLSTMModelMetaData &GetModelMetadata() const;
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private:
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class Impl;
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std::unique_ptr<Impl> impl_;
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};
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} // namespace sherpa_onnx
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#endif // SHERPA_ONNX_CSRC_ONLINE_CNN_BILSTM_MODEL_H_
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