(MFC) IBM Cloud - Text to Speech - Synthesize Audio (GET)

Synthesizes text to audio that is spoken in the specified voice.

For more information, see https://cloud.ibm.com/apidocs/text-to-speech#synthesize-audio-get

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkStringBuilder.h>
#include <CkBinData.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkHttp http;
    bool success;

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

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

    CkStringBuilder sbUrl;
    sbUrl.Append(myBaseUrl);
    sbUrl.Append("/v1/synthesize?accept=ACCEPT_TYPE&voice=CHOSEN_VOICE&text=TEXT_TO_SYNTHESIZE");

    // Choose "audio/wav" for the output file type.
    int numReplaced = sbUrl.Replace("ACCEPT_TYPE",http.urlEncode("audio/wav"));
    // See the choices for voices at https://cloud.ibm.com/apidocs/text-to-speech#synthesize-audio-get
    numReplaced = sbUrl.Replace("CHOSEN_VOICE","en-US_MichaelVoice");
    const char *textToSynthesize = "When life gives you lemons, order the lobster tail.";
    numReplaced = sbUrl.Replace("TEXT_TO_SYNTHESIZE",http.urlEncode(textToSynthesize));

    // Send the GET to synthesize the voice.
    // The response file will be contained in bdResponseBody
    CkBinData bdResponseBody;
    success = http.QuickGetBd(sbUrl.getAsString(),bdResponseBody);
    if (success == false) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    int respStatusCode = http.get_LastStatus();
    strOut.append("response status code = ");
    strOut.appendInt(respStatusCode);
    strOut.append("\r\n");

    if (respStatusCode == 200) {
        success = bdResponseBody.WriteFile("qa_output/lobster.wav");
        strOut.append("Success!");
        strOut.append("\r\n");
    }
    else {
        strOut.append(bdResponseBody.getString("utf-8"));
        strOut.append("\r\n");
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }