Delphi ActiveX

OpenAI (ChatGPT) Create Transcription

See more OpenAI ChatGPT Examples

Show how to transcribe audio to text. Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
http: TChilkatHttp;
req: TChilkatHttpRequest;
resp: TChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
text: WideString;

begin
success := 0;

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

http := TChilkatHttp.Create(Self);

// Implements the following CURL command:

// curl https://api.openai.com/v1/audio/transcriptions \
//   -H "Authorization: Bearer $OPENAI_API_KEY" \
//   -H "Content-Type: multipart/form-data" \
//   -F file="@/path/to/file/audio.mp3" \
//   -F model="whisper-1"

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

req := TChilkatHttpRequest.Create(Self);
req.HttpVerb := 'POST';
req.Path := '/v1/audio/transcriptions';
req.ContentType := 'multipart/form-data';
success := req.AddFileForUpload2('file','qa_data/mp3/Conversation-with-39-year-old-male-Virginia_afccal000227_001_00-03-37.mp3','audio/mpeg');

req.AddParam('model','whisper-1');

req.AddHeader('Expect','100-continue');
// This is NOT a real key.  Change the "sk-vi...." to your own key.
req.AddHeader('Authorization','Bearer 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');

resp := TChilkatHttpResponse.Create(Self);
success := http.HttpSReq('api.openai.com',443,1,req.ControlInterface,resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
jResp.EmitCompact := 0;

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(jResp.Emit());

respStatusCode := resp.StatusCode;
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(resp.Header);
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "text": "Imagine the wildest idea that you've ever had, and you're curious about how it might scale to something that's a 100, a 1,000 times bigger. This is a place where you can get to do that."
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

text := jResp.StringOf('text');
end;