online-transducer-greedy-search-nemo-decoder.h
1.3 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
// sherpa-onnx/csrc/online-transducer-greedy-search-nemo-decoder.h
//
// Copyright (c) 2024 Xiaomi Corporation
// Copyright (c) 2024 Sangeet Sagar
#ifndef SHERPA_ONNX_CSRC_ONLINE_TRANSDUCER_GREEDY_SEARCH_NEMO_DECODER_H_
#define SHERPA_ONNX_CSRC_ONLINE_TRANSDUCER_GREEDY_SEARCH_NEMO_DECODER_H_
#include <vector>
#include "sherpa-onnx/csrc/online-transducer-decoder.h"
#include "sherpa-onnx/csrc/online-transducer-nemo-model.h"
namespace sherpa_onnx {
class OnlineTransducerGreedySearchNeMoDecoder {
public:
OnlineTransducerGreedySearchNeMoDecoder(OnlineTransducerNeMoModel *model,
float blank_penalty)
: model_(model),
blank_penalty_(blank_penalty) {}
OnlineTransducerDecoderResult GetEmptyResult() const;
void UpdateDecoderOut(OnlineTransducerDecoderResult *result) {}
void StripLeadingBlanks(OnlineTransducerDecoderResult * /*r*/) const {}
std::vector<Ort::Value> Decode(
Ort::Value encoder_out,
std::vector<Ort::Value> decoder_states,
std::vector<OnlineTransducerDecoderResult> *result,
OnlineStream **ss = nullptr, int32_t n = 0);
private:
OnlineTransducerNeMoModel *model_; // Not owned
float blank_penalty_;
};
} // namespace sherpa_onnx
#endif // SHERPA_ONNX_CSRC_ONLINE_TRANSDUCER_GREEDY_SEARCH_NEMO_DECODER_H_