fst: support eng hotword

雾聪

2023-12-12 3c83d64c84602de055f503af7d4e2761c829ec2e

 runtime/onnxruntime/src/paraformer.cpp

@@ -187,13 +187,14 @@
}

void Paraformer::InitLm(const std::string &lm_file, 
                        const std::string &lm_cfg_file) {
                        const std::string &lm_cfg_file, 
                        const std::string &lex_file) {
    try {
        lm_ = std::shared_ptr<fst::Fst<fst::StdArc>>(
            fst::Fst<fst::StdArc>::Read(lm_file));
        if (lm_){
            if (vocab) { delete vocab; }
            vocab = new Vocab(lm_cfg_file.c_str());
            vocab = new Vocab(lm_cfg_file.c_str(), lex_file.c_str());
            LOG(INFO) << "Successfully load lm file " << lm_file;
        }else{
            LOG(ERROR) << "Failed to load lm file " << lm_file;
@@ -300,10 +301,15 @@

Paraformer::~Paraformer()
{
    if(vocab)
    if(vocab){
        delete vocab;
    if(seg_dict)
    }
    if(seg_dict){
        delete seg_dict;
    }
    if(phone_set_){
        delete phone_set_;
    }
}

void Paraformer::StartUtterance()