Add online punctuation and casing prediction model for English language (#1224)

sherpa-onnx/csrc/online-punctuation-model-config.h

@@ -0,0 +1,42 @@
+// sherpa-onnx/csrc/online-punctuation-model-config.h
+//
+// Copyright (c) 2024 Jian You (jianyou@cisco.com, Cisco Systems)
+
+#ifndef SHERPA_ONNX_CSRC_ONLINE_PUNCTUATION_MODEL_CONFIG_H_
+#define SHERPA_ONNX_CSRC_ONLINE_PUNCTUATION_MODEL_CONFIG_H_
+
+#include <string>
+
+#include "sherpa-onnx/csrc/parse-options.h"
+
+namespace sherpa_onnx {
+
+struct OnlinePunctuationModelConfig {
+  std::string cnn_bilstm;
+  std::string bpe_vocab;
+
+  int32_t num_threads = 1;
+  bool debug = false;
+  std::string provider = "cpu";
+
+  OnlinePunctuationModelConfig() = default;
+
+  OnlinePunctuationModelConfig(const std::string &cnn_bilstm,
+                                const std::string &bpe_vocab,
+                                int32_t num_threads, bool debug,
+                                const std::string &provider)
+      : cnn_bilstm(cnn_bilstm),
+        bpe_vocab(bpe_vocab),
+        num_threads(num_threads),
+        debug(debug),
+        provider(provider) {}
+
+  void Register(ParseOptions *po);
+  bool Validate() const;
+
+  std::string ToString() const;
+};
+
+}  // namespace sherpa_onnx
+
+#endif  // SHERPA_ONNX_CSRC_ONLINE_PUNCTUATION_MODEL_CONFIG_H_