(PowerBuilder) IBM Cloud - Text to Speech - Synthesize Audio (POST)

Synthesizes text to audio that is spoken in the specified voice. Uses a POST which allows for more text to be synthesized.

For more information, see https://cloud.ibm.com/apidocs/text-to-speech#synthesize-audio

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Http
integer li_Success
string ls_MyBaseUrl
oleobject loo_SbUrl
oleobject loo_Json
oleobject loo_Resp
integer li_RespStatusCode

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

loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")
if li_rc < 0 then
    destroy loo_Http
    MessageBox("Error","Connecting to COM object failed")
    return
end if

loo_Http.Login = "apikey"
loo_Http.Password = "my_apikey"
loo_Http.BasicAuth = 1

// Send the following request:

// curl -X POST -u "apikey:{apikey}" 
//    --header "Content-Type: application/json" 
//    --header "Accept: audio/wav" 
//    --data "{\"text\":\"When life gives you lemons, order the lobster tail.\"}" 
//    --output lobster.wav "{url}/v1/synthesize?voice=en-US_AllisonV3Voice"

// Use your base URL shown in the credentials web page (below your apikey)
ls_MyBaseUrl = "https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8"

loo_SbUrl = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbUrl.ConnectToNewObject("Chilkat.StringBuilder")

loo_SbUrl.Append(ls_MyBaseUrl)
loo_SbUrl.Append("/v1/synthesize?voice=en-US_AllisonV3Voice")

loo_Http.Accept = "audio/wav"

loo_Json = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.UpdateString("text","When life gives you lemons, order the lobster tail.")

loo_Resp = loo_Http.PostJson3(loo_SbUrl.GetAsString(),"application/json",loo_Json)
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_SbUrl
    destroy loo_Json
    return
end if

li_RespStatusCode = loo_Resp.StatusCode
Write-Debug "response status code = " + string(li_RespStatusCode)

if li_RespStatusCode = 200 then
    li_Success = loo_Resp.SaveBodyBinary("qa_output/lobster.wav")
    Write-Debug "Success!"
else
    Write-Debug loo_Resp.BodyStr
end if

destroy loo_Resp


destroy loo_Http
destroy loo_SbUrl
destroy loo_Json