Add C++ runtime for SenseVoice models (#1148)

sherpa-onnx/csrc/offline-sense-voice-model-meta-data.h

@@ -0,0 +1,50 @@
+// sherpa-onnx/csrc/offline-sense-voice-model-meta-data.h
+//
+// Copyright (c)  2024  Xiaomi Corporation
+#ifndef SHERPA_ONNX_CSRC_OFFLINE_SENSE_VOICE_MODEL_META_DATA_H_
+#define SHERPA_ONNX_CSRC_OFFLINE_SENSE_VOICE_MODEL_META_DATA_H_
+
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+namespace sherpa_onnx {
+
+struct OfflineSenseVoiceModelMetaData {
+  // ID for using inverse text normalization
+  int32_t with_itn_id;
+
+  // ID for not using inverse text normalization
+  int32_t without_itn_id;
+
+  int32_t window_size;   // lfr_m
+  int32_t window_shift;  // lfr_n
+  int32_t vocab_size;
+
+  int32_t subsampling_factor = 1;
+
+  // Usually 0 for SenseVoice models.
+  // 0 means samples are scaled to [-32768, 32767] before are sent to the
+  // feature extractor
+  int32_t normalize_samples = 0;
+
+  int32_t blank_id = 0;
+
+  // possible values:
+  // zh, en, ja, ko, yue, auto
+  // where
+  //  zh is Chinese (Mandarin)
+  //  en is English
+  //  ja is Japanese
+  //  ko is Korean
+  //  yue is Cantonese
+  //  auto is to let the model recognize the language
+  std::unordered_map<std::string, int32_t> lang2id;
+
+  std::vector<float> neg_mean;
+  std::vector<float> inv_stddev;
+};
+
+}  // namespace sherpa_onnx
+
+#endif  // SHERPA_ONNX_CSRC_OFFLINE_SENSE_VOICE_MODEL_META_DATA_H_