offline-lm-config.h
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// sherpa-onnx/csrc/offline-lm-config.h
//
// Copyright (c) 2023 Xiaomi Corporation
#ifndef SHERPA_ONNX_CSRC_OFFLINE_LM_CONFIG_H_
#define SHERPA_ONNX_CSRC_OFFLINE_LM_CONFIG_H_
#include <string>
#include "sherpa-onnx/csrc/parse-options.h"
namespace sherpa_onnx {
struct OfflineLMConfig {
// path to the onnx model
std::string model;
// LM scale
float scale = 0.5;
int32_t lm_num_threads = 1;
std::string lm_provider = "cpu";
// LODR
std::string lodr_fst;
float lodr_scale = 0.01;
int32_t lodr_backoff_id = -1; // -1 means not set
OfflineLMConfig() = default;
OfflineLMConfig(const std::string &model, float scale, int32_t lm_num_threads,
const std::string &lm_provider, const std::string &lodr_fst,
float lodr_scale, int32_t lodr_backoff_id)
: model(model),
scale(scale),
lm_num_threads(lm_num_threads),
lm_provider(lm_provider),
lodr_fst(lodr_fst),
lodr_scale(lodr_scale),
lodr_backoff_id(lodr_backoff_id) {}
void Register(ParseOptions *po);
bool Validate() const;
std::string ToString() const;
};
} // namespace sherpa_onnx
#endif // SHERPA_ONNX_CSRC_OFFLINE_LM_CONFIG_H_