Dart

VoiceBase -- Retrieve JSON Transcript

See more VoiceBase Examples

Retrieves a JSON transcript for a media file. Dart

import 'package:chilkat/chilkat.dart';

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

  // Insert your Bearer token here:
  final accessToken = 'VOICEBASE_TOKEN';

  final http = CkHttp();

  // Add the access (bearer) token to the request, which is a header
  // having the following format:
  // Authorization: Bearer <userAccessToken>
  final sbAuth = CkStringBuilder();
  sbAuth.append('Bearer ');
  sbAuth.append(accessToken);
  http.setRequestHeader('Authorization', sbAuth.getAsString());

  final sbUrl = CkStringBuilder();
  sbUrl.append('https://apis.voicebase.com/v2-beta/media/\$MEDIA_ID/transcripts/latest');
  final replaceCount = sbUrl.replace('\$MEDIA_ID', 'f9b9bb88-d52c-4960-bcef-d516a9f85594');

  final String strJson;
  try {
    strJson = http.quickGetStr(sbUrl.getAsString());
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // The response should be JSON, even if an error.
  final json = CkJsonObject();
  json.load(strJson);
  json.emitCompact = false;

  print('Response status code = ${http.lastStatus}');

  if (http.lastStatus != 200) {
    print(json.emit());
    print('Failed');
    return;
  }

  // See the sample JSON response below..

  // Iterate over the words..
  final numWords = json.sizeOfArray('transcripts.latest.words');
  var i = 0;
  while (i < numWords) {
    json.i = i;
    print(json.stringOf('transcripts.latest.words[i].w'));
    i++;
  }

  print('Success.');

  // 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"
  //         },
  // ...
}