Add C++ runtime and Python API for NeMo Canary models (#2352)

sherpa-onnx/csrc/offline-canary-model-config.h

@@ -0,0 +1,47 @@
+// sherpa-onnx/csrc/offline-canary-model-config.h
+//
+// Copyright (c)  2025  Xiaomi Corporation
+
+#ifndef SHERPA_ONNX_CSRC_OFFLINE_CANARY_MODEL_CONFIG_H_
+#define SHERPA_ONNX_CSRC_OFFLINE_CANARY_MODEL_CONFIG_H_
+
+#include <string>
+
+#include "sherpa-onnx/csrc/parse-options.h"
+
+namespace sherpa_onnx {
+
+struct OfflineCanaryModelConfig {
+  std::string encoder;
+  std::string decoder;
+
+  // en, de, es, fr, or leave it empty to use en
+  std::string src_lang;
+
+  // en, de, es, fr, or leave it empty to use en
+  std::string tgt_lang;
+
+  // true to enable punctuations and casing
+  // false to disable punctuations and casing
+  bool use_pnc = true;
+
+  OfflineCanaryModelConfig() = default;
+  OfflineCanaryModelConfig(const std::string &encoder,
+                           const std::string &decoder,
+                           const std::string &src_lang,
+                           const std::string &tgt_lang, bool use_pnc)
+      : encoder(encoder),
+        decoder(decoder),
+        src_lang(src_lang),
+        tgt_lang(tgt_lang),
+        use_pnc(use_pnc) {}
+
+  void Register(ParseOptions *po);
+  bool Validate() const;
+
+  std::string ToString() const;
+};
+
+}  // namespace sherpa_onnx
+
+#endif  // SHERPA_ONNX_CSRC_OFFLINE_CANARY_MODEL_CONFIG_H_