(C) VoiceBase -- Retrieve JSON Transcript

Retrieves a JSON transcript for a media file.

Chilkat C/C++ Library Downloads
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#include <C_CkHttp.h>
#include <C_CkStringBuilder.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    const char *accessToken;
    HCkHttp http;
    HCkStringBuilder sbAuth;
    HCkStringBuilder sbUrl;
    int replaceCount;
    const char *strJson;
    HCkJsonObject 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 = "VOICEBASE_TOKEN";

    http = CkHttp_Create();

    // Add the access (bearer) token to the request, which is a header
    // having the following format:
    // Authorization: Bearer <userAccessToken>
    sbAuth = CkStringBuilder_Create();
    CkStringBuilder_Append(sbAuth,"Bearer ");
    CkStringBuilder_Append(sbAuth,accessToken);
    CkHttp_SetRequestHeader(http,"Authorization",CkStringBuilder_getAsString(sbAuth));

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

    strJson = CkHttp_quickGetStr(http,CkStringBuilder_getAsString(sbUrl));
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkStringBuilder_Dispose(sbAuth);
        CkStringBuilder_Dispose(sbUrl);
        return;
    }

    // The response should be JSON, even if an error.
    json = CkJsonObject_Create();
    CkJsonObject_Load(json,strJson);
    CkJsonObject_putEmitCompact(json,FALSE);

    printf("Response status code = %d\n",CkHttp_getLastStatus(http));

    if (CkHttp_getLastStatus(http) != 200) {
        printf("%s\n",CkJsonObject_emit(json));
        printf("Failed\n");
        CkHttp_Dispose(http);
        CkStringBuilder_Dispose(sbAuth);
        CkStringBuilder_Dispose(sbUrl);
        CkJsonObject_Dispose(json);
        return;
    }

    // See the sample JSON response below..

    // Iterate over the words..
    numWords = CkJsonObject_SizeOfArray(json,"transcripts.latest.words");
    i = 0;
    while (i < numWords) {
        CkJsonObject_putI(json,i);
        printf("%s\n",CkJsonObject_stringOf(json,"transcripts.latest.words[i].w"));
        i = i + 1;
    }

    printf("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"
    //         },
    // ...


    CkHttp_Dispose(http);
    CkStringBuilder_Dispose(sbAuth);
    CkStringBuilder_Dispose(sbUrl);
    CkJsonObject_Dispose(json);

    }