(Unicode C) VoiceBase -- Retrieve JSON Transcript

Retrieves a JSON transcript for a media file.

Chilkat C/C++ Library Downloads
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#include <C_CkHttpW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkJsonObjectW.h>

void ChilkatSample(void)
    {
    const wchar_t *accessToken;
    HCkHttpW http;
    HCkStringBuilderW sbAuth;
    HCkStringBuilderW sbUrl;
    int replaceCount;
    const wchar_t *strJson;
    HCkJsonObjectW json;
    int numWords;
    int i;

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

    // Insert your Bearer token here:
    accessToken = L"VOICEBASE_TOKEN";

    http = CkHttpW_Create();

    // Add the access (bearer) token to the request, which is a header
    // having the following format:
    // Authorization: Bearer <userAccessToken>
    sbAuth = CkStringBuilderW_Create();
    CkStringBuilderW_Append(sbAuth,L"Bearer ");
    CkStringBuilderW_Append(sbAuth,accessToken);
    CkHttpW_SetRequestHeader(http,L"Authorization",CkStringBuilderW_getAsString(sbAuth));

    sbUrl = CkStringBuilderW_Create();
    CkStringBuilderW_Append(sbUrl,L"https://apis.voicebase.com/v2-beta/media/$MEDIA_ID/transcripts/latest");
    replaceCount = CkStringBuilderW_Replace(sbUrl,L"$MEDIA_ID",L"f9b9bb88-d52c-4960-bcef-d516a9f85594");

    strJson = CkHttpW_quickGetStr(http,CkStringBuilderW_getAsString(sbUrl));
    if (CkHttpW_getLastMethodSuccess(http) != TRUE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkStringBuilderW_Dispose(sbAuth);
        CkStringBuilderW_Dispose(sbUrl);
        return;
    }

    // The response should be JSON, even if an error.
    json = CkJsonObjectW_Create();
    CkJsonObjectW_Load(json,strJson);
    CkJsonObjectW_putEmitCompact(json,FALSE);

    wprintf(L"Response status code = %d\n",CkHttpW_getLastStatus(http));

    if (CkHttpW_getLastStatus(http) != 200) {
        wprintf(L"%s\n",CkJsonObjectW_emit(json));
        wprintf(L"Failed\n");
        CkHttpW_Dispose(http);
        CkStringBuilderW_Dispose(sbAuth);
        CkStringBuilderW_Dispose(sbUrl);
        CkJsonObjectW_Dispose(json);
        return;
    }

    // See the sample JSON response below..

    // Iterate over the words..
    numWords = CkJsonObjectW_SizeOfArray(json,L"transcripts.latest.words");
    i = 0;
    while (i < numWords) {
        CkJsonObjectW_putI(json,i);
        wprintf(L"%s\n",CkJsonObjectW_stringOf(json,L"transcripts.latest.words[i].w"));
        i = i + 1;
    }

    wprintf(L"Success.\n");

    // A sample JSON response:

    // { 
    //   "_links": { 
    //     "self": { 
    //       "href": "/v2-beta/media/f9b9bb88-d52c-4960-bcef-d516a9f85594/transcripts/latest"
    //     }
    //   },
    //   "transcripts": { 
    //     "latest": { 
    //       "revision": "b25e81dc-ae3e-4f9d-8008-1d56a283c17f",
    //       "engine": "standard",
    //       "confidence": 2.196210728898151,
    //       "words": [
    //         { 
    //           "p": 0,
    //           "s": 830,
    //           "c": 0.14,
    //           "e": 870,
    //           "w": "You"
    //         },
    //         { 
    //           "p": 1,
    //           "s": 1860,
    //           "c": 0.432,
    //           "e": 1920,
    //           "w": "know"
    //         },
    //         { 
    //           "p": 2,
    //           "s": 1930,
    //           "c": 0.288,
    //           "e": 2250,
    //           "w": "that's"
    //         },
    //         { 
    //           "p": 3,
    //           "s": 2250,
    //           "c": 0.923,
    //           "e": 2300,
    //           "w": "a"
    //         },
    // ...


    CkHttpW_Dispose(http);
    CkStringBuilderW_Dispose(sbAuth);
    CkStringBuilderW_Dispose(sbUrl);
    CkJsonObjectW_Dispose(json);

    }