Unicode C++

IBM Cloud - Text to Speech - Synthesize Audio (POST)

See more IBM Text to Speech Examples

Synthesizes text to audio that is spoken in the specified voice. Uses a POST which allows for more text to be synthesized. Unicode C++

#include <CkHttpW.h>
#include <CkStringBuilderW.h>
#include <CkJsonObjectW.h>
#include <CkHttpResponseW.h>

void ChilkatSample(void)
    {
    bool success = false;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttpW http;

    http.put_Login(L"apikey");
    http.put_Password(L"my_apikey");
    http.put_BasicAuth(true);

    // Send the following request:

    // curl -X POST -u "apikey:{apikey}" 
    //    --header "Content-Type: application/json" 
    //    --header "Accept: audio/wav" 
    //    --data "{\"text\":\"When life gives you lemons, order the lobster tail.\"}" 
    //    --output lobster.wav "{url}/v1/synthesize?voice=en-US_AllisonV3Voice"

    // Use your base URL shown in the credentials web page (below your apikey)
    const wchar_t *myBaseUrl = L"https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8";

    CkStringBuilderW sbUrl;
    sbUrl.Append(myBaseUrl);
    sbUrl.Append(L"/v1/synthesize?voice=en-US_AllisonV3Voice");

    http.put_Accept(L"audio/wav");

    CkJsonObjectW json;
    json.UpdateString(L"text",L"When life gives you lemons, order the lobster tail.");

    const wchar_t *url = sbUrl.getAsString();
    CkHttpResponseW resp;
    success = http.HttpJson(L"POST",url,json,L"application/json",resp);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    int respStatusCode = resp.get_StatusCode();
    wprintf(L"response status code = %d\n",respStatusCode);

    if (respStatusCode == 200) {
        success = resp.SaveBodyBinary(L"qa_output/lobster.wav");
        wprintf(L"Success!\n");
    }
    else {
        wprintf(L"%s\n",resp.bodyStr());
    }
    }