Objective-C

VoiceBase -- Retrieve JSON Transcript

See more VoiceBase Examples

Retrieves a JSON transcript for a media file. Objective-C

#import <NSString.h>
#import <CkoHttp.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>

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

//  Insert your Bearer token here:
NSString *accessToken = @"VOICEBASE_TOKEN";

CkoHttp *http = [[CkoHttp alloc] init];

//  Add the access (bearer) token to the request, which is a header
//  having the following format:
//  Authorization: Bearer <userAccessToken>
CkoStringBuilder *sbAuth = [[CkoStringBuilder alloc] init];
[sbAuth Append: @"Bearer "];
[sbAuth Append: accessToken];
[http SetRequestHeader: @"Authorization" value: [sbAuth GetAsString]];

CkoStringBuilder *sbUrl = [[CkoStringBuilder alloc] init];
[sbUrl Append: @"https://apis.voicebase.com/v2-beta/media/$MEDIA_ID/transcripts/latest"];
int replaceCount = [[sbUrl Replace: @"$MEDIA_ID" replacement: @"f9b9bb88-d52c-4960-bcef-d516a9f85594"] intValue];

NSString *strJson = [http QuickGetStr: [sbUrl GetAsString]];
if (http.LastMethodSuccess != YES) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

//  The response should be JSON, even if an error.
CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json Load: strJson];
json.EmitCompact = NO;

NSLog(@"%@%d",@"Response status code = ",[http.LastStatus intValue]);

if ([http.LastStatus intValue] != 200) {
    NSLog(@"%@",[json Emit]);
    NSLog(@"%@",@"Failed");
    return;
}

//  See the sample JSON response below..

//  Iterate over the words..
int numWords = [[json SizeOfArray: @"transcripts.latest.words"] intValue];
int i = 0;
while (i < numWords) {
    json.I = [NSNumber numberWithInt: i];
    NSLog(@"%@",[json StringOf: @"transcripts.latest.words[i].w"]);
    i = i + 1;
}

NSLog(@"%@",@"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"
//          },
//  ...