C++ demo

Prerequisites

• Latest version: 1.2.2. Release date: November 14, 2018.

• Before you use the SDK, familiarize yourself with the API. For more information, see API Description.

• You have activated Intelligent Speech Interaction and obtained an AccessKey ID and AccessKey secret. For more information, see Get started.

Code example

#include <stdlib.h>
#include <iostream>
#include <string>
#include "FileTrans.h"

#ifdef _WIN32
#include <windows.h>
#endif // _WIN32

using std::string;
using std::cout;
using std::endl;
using namespace AlibabaNlsCommon;

#if defined _WIN32
string UTF8ToGBK(const string &strUTF8) {

        int len = MultiByteToWideChar(CP_UTF8, 0, strUTF8.c_str(), -1, NULL, 0);
        unsigned short * wszGBK = new unsigned short[len + 1];
        memset(wszGBK, 0, len * 2 + 2);

        MultiByteToWideChar(CP_UTF8, 0, (char*)strUTF8.c_str(), -1, (wchar_t*)wszGBK, len);

        len = WideCharToMultiByte(CP_ACP, 0, (wchar_t*)wszGBK, -1, NULL, 0, NULL, NULL);

        char *szGBK = new char[len + 1];
        memset(szGBK, 0, len + 1);
        WideCharToMultiByte(CP_ACP, 0, (wchar_t*)wszGBK, -1, szGBK, len, NULL, NULL);

        string strTemp(szGBK);
        delete[] szGBK;
        delete[] wszGBK;

        return strTemp;
}
#endif

// Recording file recognition
int fileTrans(const char* accessKeyId, const char* accessKeySecret, const char* appKey, const char* fileLink) {
    FileTrans request;

    /*Set the AccessKey ID of your Alibaba Cloud account.*/
    request.setAccessKeyId(accessKeyId);
    /*Set the AccessKey secret of your Alibaba Cloud account.*/
    request.setKeySecret(accessKeySecret);
    /*Set the AppKey of your project.*/
    request.setAppKey(appKey);
    /*Set the URL of the audio file.*/
    request.setFileLinkUrl(fileLink);
    /*Set the connection domain name. The default value is for the China (Shanghai) region. To use other regions, see the POP API call parameters for each region.*/
    request.setDomain("filetrans.cn-shanghai.aliyuncs.com");
    /*Set the connection region. The default is Shanghai.*/
    request.setRegionId("cn-shanghai");
  
    /*Start file recognition. Returns 0 on success, -1 on failure.*/
    int ret = request.applyFileTrans();
    if (-1 == ret) {
        cout << "FileTrans failed: " << request.getErrorMsg() << endl; /*Get the failure reason.*/
        return -1;
    } else {
        string result = request.getResult();

#ifdef _WIN32
        result = UTF8ToGBK(result);
#endif

                cout << "FileTrans successed: " << result << endl;

                return 0;
    }
}

int main(int argc, char* argv[]) {
    // The environment variables for the AccessKey ID, AccessKey secret, and AppKey of Intelligent Speech Interaction are NLS_AK_ENV, NLS_SK_ENV, and NLS_APPKEY_ENV.
    const char* accessKeyId = getenv("NLS_AK_ENV");
    const char* accessKeySecret = getenv("NLS_SK_ENV");
    const char* appKey = getenv("NLS_APPKEY_ENV");
    const char* fileLink = "https://gw.alipayobjects.com/os/bmw-prod/0574ee2e-f494-45a5-820f-63aee583045a.wav";

    fileTrans(accessKeyId, accessKeySecret, appKey, fileLink);

    return 0;
}