Add online punctuation and casing prediction model for English language

sherpa-onnx/csrc/CMakeLists.txt

@@ -138,6 +138,10 @@ list(APPEND sources
   offline-punctuation-impl.cc
   offline-punctuation-model-config.cc
   offline-punctuation.cc
+  online-cnn-bilstm-model.cc
+  online-punctuation-impl.cc
+  online-punctuation-model-config.cc
+  online-punctuation.cc
 )
 
 if(SHERPA_ONNX_ENABLE_TTS)
@@ -244,6 +248,7 @@ if(SHERPA_ONNX_ENABLE_BINARY)
   add_executable(sherpa-onnx-offline-language-identification sherpa-onnx-offline-language-identification.cc)
   add_executable(sherpa-onnx-offline-parallel sherpa-onnx-offline-parallel.cc)
   add_executable(sherpa-onnx-offline-punctuation sherpa-onnx-offline-punctuation.cc)
+  add_executable(sherpa-onnx-online-punctuation sherpa-onnx-online-punctuation.cc)
 
   if(SHERPA_ONNX_ENABLE_TTS)
     add_executable(sherpa-onnx-offline-tts sherpa-onnx-offline-tts.cc)
@@ -257,6 +262,7 @@ if(SHERPA_ONNX_ENABLE_BINARY)
     sherpa-onnx-offline-language-identification
     sherpa-onnx-offline-parallel
     sherpa-onnx-offline-punctuation
+    sherpa-onnx-online-punctuation
   )
   if(SHERPA_ONNX_ENABLE_TTS)
     list(APPEND main_exes

sherpa-onnx/csrc/online-cnn-bilstm-model-meta-data.h

@@ -0,0 +1,25 @@
+// sherpa-onnx/csrc/online-cnn-bilstm-model-meta-data.h
+//
+// Copyright (c) 2024 Jian You ([email protected], Cisco Systems)
+
+#ifndef SHERPA_ONNX_CSRC_ONLINE_CNN_BILSTM_MODEL_META_DATA_H_
+#define SHERPA_ONNX_CSRC_ONLINE_CNN_BILSTM_MODEL_META_DATA_H_
+
+namespace sherpa_onnx {
+
+struct OnlineCNNBiLSTMModelMetaData {
+  int32_t comma_id;
+  int32_t period_id;
+  int32_t quest_id;
+
+  int32_t upper_id;
+  int32_t cap_id;
+  int32_t mix_case_id;
+
+  int32_t num_cases;
+  int32_t num_punctuations;
+};
+
+}  // namespace sherpa_onnx
+
+#endif  // SHERPA_ONNX_CSRC_ONLINE_CNN_BILSTM_MODEL_META_DATA_H_

sherpa-onnx/csrc/online-cnn-bilstm-model.cc

@@ -0,0 +1,135 @@
+// sherpa-onnx/csrc/online-cnn-bilstm-model.cc
+//
+// Copyright (c) 2024 Jian You ([email protected], Cisco Systems)
+
+#include "sherpa-onnx/csrc/online-cnn-bilstm-model.h"
+
+#include <string>
+#include <vector>
+
+#include "sherpa-onnx/csrc/onnx-utils.h"
+#include "sherpa-onnx/csrc/session.h"
+#include "sherpa-onnx/csrc/text-utils.h"
+
+namespace sherpa_onnx {
+
+class OnlineCNNBiLSTMModel::Impl {
+ public:
+  explicit Impl(const OnlinePunctuationModelConfig &config)
+      : config_(config),
+        env_(ORT_LOGGING_LEVEL_ERROR),
+        sess_opts_(GetSessionOptions(config)),
+        allocator_{} {
+    auto buf = ReadFile(config_.cnn_bilstm);
+    Init(buf.data(), buf.size());
+  }
+
+#if __ANDROID_API__ >= 9
+  Impl(AAssetManager *mgr, const OnlinePunctuationModelConfig &config)
+      : config_(config),
+        env_(ORT_LOGGING_LEVEL_ERROR),
+        sess_opts_(GetSessionOptions(config)),
+        allocator_{} {
+    auto buf = ReadFile(mgr, config_.cnn_bilstm);
+    Init(buf.data(), buf.size());
+  }
+#endif
+
+  std::pair<Ort::Value, Ort::Value> Forward(Ort::Value token_ids, Ort::Value valid_ids, Ort::Value label_lens) {
+    std::array<Ort::Value, 3> inputs = {std::move(token_ids), std::move(valid_ids), std::move(label_lens)};
+
+    auto ans =
+        sess_->Run({}, input_names_ptr_.data(), inputs.data(), inputs.size(),
+                   output_names_ptr_.data(), output_names_ptr_.size());
+    return {std::move(ans[0]), std::move(ans[1])};
+  }
+
+  OrtAllocator *Allocator() const { return allocator_; }
+
+  const OnlineCNNBiLSTMModelMetaData &GetModelMetadata() const {
+    return meta_data_;
+  }
+
+ private:
+  void Init(void *model_data, size_t model_data_length) {
+    sess_ = std::make_unique<Ort::Session>(env_, model_data, model_data_length,
+                                           sess_opts_);
+
+    GetInputNames(sess_.get(), &input_names_, &input_names_ptr_);
+
+    GetOutputNames(sess_.get(), &output_names_, &output_names_ptr_);
+
+    // get meta data
+    Ort::ModelMetadata meta_data = sess_->GetModelMetadata();
+
+    Ort::AllocatorWithDefaultOptions allocator;  // used in the macro below
+
+    SHERPA_ONNX_READ_META_DATA(meta_data_.comma_id, "COMMA");
+    SHERPA_ONNX_READ_META_DATA(meta_data_.period_id, "PERIOD");
+    SHERPA_ONNX_READ_META_DATA(meta_data_.quest_id, "QUESTION");
+
+    // assert here, because we will use the constant value
+    assert(meta_data_.comma_id == 1);
+    assert(meta_data_.period_id == 2);
+    assert(meta_data_.quest_id == 3);
+
+    SHERPA_ONNX_READ_META_DATA(meta_data_.upper_id, "UPPER");
+    SHERPA_ONNX_READ_META_DATA(meta_data_.cap_id, "CAP");
+    SHERPA_ONNX_READ_META_DATA(meta_data_.mix_case_id, "MIX_CASE");
+
+    assert(meta_data_.upper_id == 1);
+    assert(meta_data_.cap_id == 2);
+    assert(meta_data_.mix_case_id == 3);
+
+    // output shape is (T', num_cases)
+    meta_data_.num_cases =
+        sess_->GetOutputTypeInfo(0).GetTensorTypeAndShapeInfo().GetShape()[1];
+    meta_data_.num_punctuations =
+        sess_->GetOutputTypeInfo(1).GetTensorTypeAndShapeInfo().GetShape()[1];
+  }
+
+ private:
+  OnlinePunctuationModelConfig config_;
+  Ort::Env env_;
+  Ort::SessionOptions sess_opts_;
+  Ort::AllocatorWithDefaultOptions allocator_;
+
+  std::unique_ptr<Ort::Session> sess_;
+
+  std::vector<std::string> input_names_;
+  std::vector<const char *> input_names_ptr_;
+
+  std::vector<std::string> output_names_;
+  std::vector<const char *> output_names_ptr_;
+
+  OnlineCNNBiLSTMModelMetaData meta_data_;
+};
+
+OnlineCNNBiLSTMModel::OnlineCNNBiLSTMModel(
+    const OnlinePunctuationModelConfig &config)
+    : impl_(std::make_unique<Impl>(config)) {}
+
+#if __ANDROID_API__ >= 9
+OnlineCNNBiLSTMModel::OnlineCNNBiLSTMModel(
+    AAssetManager *mgr, const OnlinePunctuationModelConfig &config)
+    : impl_(std::make_unique<Impl>(mgr, config)) {}
+#endif
+
+OnlineCNNBiLSTMModel::~OnlineCNNBiLSTMModel() = default;
+
+std::pair<Ort::Value, Ort::Value> OnlineCNNBiLSTMModel::Forward(Ort::Value token_ids,
+                                                               Ort::Value valid_ids,
+                                                               Ort::Value label_lens) const {
+  return impl_->Forward(std::move(token_ids), std::move(valid_ids), std::move(label_lens));
+}
+
+OrtAllocator *OnlineCNNBiLSTMModel::Allocator() const {
+  return impl_->Allocator();
+}
+
+const OnlineCNNBiLSTMModelMetaData &
+OnlineCNNBiLSTMModel::GetModelMetadata() const {
+  return impl_->GetModelMetadata();
+}
+
+}  // namespace sherpa_onnx

sherpa-onnx/csrc/online-cnn-bilstm-model.h

@@ -0,0 +1,61 @@
+// sherpa-onnx/csrc/online-cnn-bilstm-model.h
+//
+// Copyright (c) 2024 Jian You ([email protected], Cisco Systems)
+
+#ifndef SHERPA_ONNX_CSRC_ONLINE_CNN_BILSTM_MODEL_H_
+#define SHERPA_ONNX_CSRC_ONLINE_CNN_BILSTM_MODEL_H_
+#include <memory>
+#include <utility>
+
+#if __ANDROID_API__ >= 9
+#include "android/asset_manager.h"
+#include "android/asset_manager_jni.h"
+#endif
+
+#include "onnxruntime_cxx_api.h"  // NOLINT
+#include "sherpa-onnx/csrc/online-cnn-bilstm-model-meta-data.h"
+#include "sherpa-onnx/csrc/online-punctuation-model-config.h"
+
+namespace sherpa_onnx {
+
+/** This class implements
+ *  https://github.com/frankyoujian/Edge-Punct-Casing/blob/main/onnx_decode_sentence.py
+ */
+class OnlineCNNBiLSTMModel {
+ public:
+  explicit OnlineCNNBiLSTMModel(
+      const OnlinePunctuationModelConfig &config);
+
+#if __ANDROID_API__ >= 9
+  OnlineCNNBiLSTMModel(AAssetManager *mgr,
+                            const OnlinePunctuationModelConfig &config);
+#endif
+
+  ~OnlineCNNBiLSTMModel();
+
+  /** Run the forward method of the model.
+   *
+   * @param token_ids  A tensor of shape (N, T) of dtype int32.
+   * @param valid_ids  A tensor of shape (N, T) of dtype int32.
+   * @param label_lens A tensor of shape (N) of dtype int32.
+   *
+   * @return Return a pair of tensors
+   *  - case_logits:  A 2-D tensor of shape (T', num_cases).
+   *  - punct_logits: A 2-D tensor of shape (T', num_puncts).
+   */
+  std::pair<Ort::Value, Ort::Value> Forward(Ort::Value token_ids, Ort::Value valid_ids, Ort::Value label_lens) const;
+
+  /** Return an allocator for allocating memory
+   */
+  OrtAllocator *Allocator() const;
+
+  const OnlineCNNBiLSTMModelMetaData &GetModelMetadata() const;
+
+ private:
+  class Impl;
+  std::unique_ptr<Impl> impl_;
+};
+
+}  // namespace sherpa_onnx
+
+#endif  // SHERPA_ONNX_CSRC_ONLINE_CNN_BILSTM_MODEL_H_