Merge pull request #427 from alibaba-damo-academy/dev_gflags

Lizerui9926

2023-04-26 b78d47f1efb3d0662fce1b8d45a9eb11b3caef02

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#include "precomp.h"
#ifdef __cplusplus 
 
extern "C" {
#endif
 
    // APIs for funasr
    _FUNASRAPI FUNASR_HANDLE  FunASRInit(std::map<std::string, std::string>& model_path, int thread_num)
    {
        Model* mm = CreateModel(model_path, thread_num);
        return mm;
    }
 
    _FUNASRAPI FUNASR_RESULT FunASRRecogBuffer(FUNASR_HANDLE handle, const char* sz_buf, int n_len, FUNASR_MODE mode, QM_CALLBACK fn_callback)
    {
        Model* recog_obj = (Model*)handle;
        if (!recog_obj)
            return nullptr;
 
        int32_t sampling_rate = -1;
        Audio audio(1);
        if (!audio.LoadWav(sz_buf, n_len, &sampling_rate))
            return nullptr;
        if(recog_obj->UseVad()){
            audio.Split(recog_obj);
        }
 
        float* buff;
        int len;
        int flag=0;
        FUNASR_RECOG_RESULT* p_result = new FUNASR_RECOG_RESULT;
        p_result->snippet_time = audio.GetTimeLen();
        int n_step = 0;
        int n_total = audio.GetQueueSize();
        while (audio.Fetch(buff, len, flag) > 0) {
            string msg = recog_obj->Forward(buff, len, flag);
            p_result->msg += msg;
            n_step++;
            if (fn_callback)
                fn_callback(n_step, n_total);
        }
        if(recog_obj->UsePunc()){
            string punc_res = recog_obj->AddPunc((p_result->msg).c_str());
            p_result->msg = punc_res;
        }
 
        return p_result;
    }
 
    _FUNASRAPI FUNASR_RESULT FunASRRecogPCMBuffer(FUNASR_HANDLE handle, const char* sz_buf, int n_len, int sampling_rate, FUNASR_MODE mode, QM_CALLBACK fn_callback)
    {
        Model* recog_obj = (Model*)handle;
        if (!recog_obj)
            return nullptr;
 
        Audio audio(1);
        if (!audio.LoadPcmwav(sz_buf, n_len, &sampling_rate))
            return nullptr;
        if(recog_obj->UseVad()){
            audio.Split(recog_obj);
        }
 
        float* buff;
        int len;
        int flag = 0;
        FUNASR_RECOG_RESULT* p_result = new FUNASR_RECOG_RESULT;
        p_result->snippet_time = audio.GetTimeLen();
        int n_step = 0;
        int n_total = audio.GetQueueSize();
        while (audio.Fetch(buff, len, flag) > 0) {
            string msg = recog_obj->Forward(buff, len, flag);
            p_result->msg += msg;
            n_step++;
            if (fn_callback)
                fn_callback(n_step, n_total);
        }
        if(recog_obj->UsePunc()){
            string punc_res = recog_obj->AddPunc((p_result->msg).c_str());
            p_result->msg = punc_res;
        }
 
        return p_result;
    }
 
    _FUNASRAPI FUNASR_RESULT FunASRRecogPCMFile(FUNASR_HANDLE handle, const char* sz_filename, int sampling_rate, FUNASR_MODE mode, QM_CALLBACK fn_callback)
    {
        Model* recog_obj = (Model*)handle;
        if (!recog_obj)
            return nullptr;
 
        Audio audio(1);
        if (!audio.LoadPcmwav(sz_filename, &sampling_rate))
            return nullptr;
        if(recog_obj->UseVad()){
            audio.Split(recog_obj);
        }
 
        float* buff;
        int len;
        int flag = 0;
        FUNASR_RECOG_RESULT* p_result = new FUNASR_RECOG_RESULT;
        p_result->snippet_time = audio.GetTimeLen();
        int n_step = 0;
        int n_total = audio.GetQueueSize();
        while (audio.Fetch(buff, len, flag) > 0) {
            string msg = recog_obj->Forward(buff, len, flag);
            p_result->msg += msg;
            n_step++;
            if (fn_callback)
                fn_callback(n_step, n_total);
        }
        if(recog_obj->UsePunc()){
            string punc_res = recog_obj->AddPunc((p_result->msg).c_str());
            p_result->msg = punc_res;
        }
 
        return p_result;
    }
 
    _FUNASRAPI FUNASR_RESULT FunASRRecogFile(FUNASR_HANDLE handle, const char* sz_wavfile, FUNASR_MODE mode, QM_CALLBACK fn_callback)
    {
        Model* recog_obj = (Model*)handle;
        if (!recog_obj)
            return nullptr;
        
        int32_t sampling_rate = -1;
        Audio audio(1);
        if(!audio.LoadWav(sz_wavfile, &sampling_rate))
            return nullptr;
        if(recog_obj->UseVad()){
            audio.Split(recog_obj);
        }
 
        float* buff;
        int len;
        int flag = 0;
        int n_step = 0;
        int n_total = audio.GetQueueSize();
        FUNASR_RECOG_RESULT* p_result = new FUNASR_RECOG_RESULT;
        p_result->snippet_time = audio.GetTimeLen();
        while (audio.Fetch(buff, len, flag) > 0) {
            string msg = recog_obj->Forward(buff, len, flag);
            p_result->msg+= msg;
            n_step++;
            if (fn_callback)
                fn_callback(n_step, n_total);
        }
        if(recog_obj->UsePunc()){
            string punc_res = recog_obj->AddPunc((p_result->msg).c_str());
            p_result->msg = punc_res;
        }
    
        return p_result;
    }
 
    _FUNASRAPI const int FunASRGetRetNumber(FUNASR_RESULT result)
    {
        if (!result)
            return 0;
 
        return 1;
    }
 
 
    _FUNASRAPI const float FunASRGetRetSnippetTime(FUNASR_RESULT result)
    {
        if (!result)
            return 0.0f;
 
        return ((FUNASR_RECOG_RESULT*)result)->snippet_time;
    }
 
    _FUNASRAPI const char* FunASRGetResult(FUNASR_RESULT result,int n_index)
    {
        FUNASR_RECOG_RESULT * p_result = (FUNASR_RECOG_RESULT*)result;
        if(!p_result)
            return nullptr;
 
        return p_result->msg.c_str();
    }
 
    _FUNASRAPI void FunASRFreeResult(FUNASR_RESULT result)
    {
        if (result)
        {
            delete (FUNASR_RECOG_RESULT*)result;
        }
    }
 
    _FUNASRAPI void FunASRUninit(FUNASR_HANDLE handle)
    {
        Model* recog_obj = (Model*)handle;
 
        if (!recog_obj)
            return;
 
        delete recog_obj;
    }
 
#ifdef __cplusplus 
 
}
#endif