EngineX-Iluvatar/enginex-mr_series-sherpa-onnx
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Support batch greedy search decoding (#30)

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This commit is contained in:
Fangjun Kuang
2023-02-19 15:04:24 +08:00
committed by GitHub
parent ebc3b47fb8
commit 8acc059b3f
5 changed files with 181 additions and 68 deletions
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11
sherpa-onnx/csrc/online-lstm-transducer-model.h
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@@ -19,16 +19,19 @@ class OnlineLstmTransducerModel : public OnlineTransducerModel {
public:
explicit OnlineLstmTransducerModel(const OnlineTransducerModelConfig &config);
Ort::Value StackStates(const std::vector<Ort::Value> &states) const override;
std::vector<Ort::Value> StackStates(
const std::vector<std::vector<Ort::Value>> &states) const override;
std::vector<Ort::Value> UnStackStates(Ort::Value states) const override;
std::vector<std::vector<Ort::Value>> UnStackStates(
const std::vector<Ort::Value> &states) const override;
std::vector<Ort::Value> GetEncoderInitStates() override;
std::pair<Ort::Value, std::vector<Ort::Value>> RunEncoder(
Ort::Value features, std::vector<Ort::Value> &states) override;
Ort::Value BuildDecoderInput(const std::vector<int64_t> &hyp) override;
Ort::Value BuildDecoderInput(
const std::vector<OnlineTransducerDecoderResult> &results) override;
Ort::Value RunDecoder(Ort::Value decoder_input) override;
@@ -41,6 +44,7 @@ class OnlineLstmTransducerModel : public OnlineTransducerModel {
int32_t ChunkShift() const override { return decode_chunk_len_; }
int32_t VocabSize() const override { return vocab_size_; }
OrtAllocator *Allocator() override { return allocator_; }
private:
void InitEncoder(const std::string &encoder_filename);
@@ -50,7 +54,6 @@ class OnlineLstmTransducerModel : public OnlineTransducerModel {
private:
Ort::Env env_;
Ort::SessionOptions sess_opts_;
Ort::AllocatorWithDefaultOptions allocator_;
std::unique_ptr<Ort::Session> encoder_sess_;