Add C++ runtime for Matcha-TTS (#1627)

sherpa-onnx/csrc/offline-tts-matcha-model-metadata.h

@@ -0,0 +1,28 @@
+// sherpa-onnx/csrc/offline-tts-matcha-model-metadata.h
+//
+// Copyright (c)  2023  Xiaomi Corporation
+
+#ifndef SHERPA_ONNX_CSRC_OFFLINE_TTS_MATCHA_MODEL_METADATA_H_
+#define SHERPA_ONNX_CSRC_OFFLINE_TTS_MATCHA_MODEL_METADATA_H_
+
+#include <cstdint>
+#include <string>
+
+namespace sherpa_onnx {
+
+// If you are not sure what each field means, please
+// have a look of the Python file in the model directory that
+// you have downloaded.
+struct OfflineTtsMatchaModelMetaData {
+  int32_t sample_rate = 0;
+  int32_t num_speakers = 0;
+  int32_t version = 1;
+  int32_t jieba = 0;
+  int32_t espeak = 0;
+  int32_t use_eos_bos = 0;
+  int32_t pad_id = 0;
+};
+
+}  // namespace sherpa_onnx
+
+#endif  // SHERPA_ONNX_CSRC_OFFLINE_TTS_MATCHA_MODEL_METADATA_H_