(SQL Server) IBM Cloud - Text to Speech - Synthesize Audio (GET)

Synthesizes text to audio that is spoken in the specified voice.

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

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

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    EXEC sp_OASetProperty @http, 'Login', 'apikey'
    EXEC sp_OASetProperty @http, 'Password', 'my_apikey'
    EXEC sp_OASetProperty @http, 'BasicAuth', 1

    -- Use your base URL shown in the credentials web page (below your apikey)
    DECLARE @myBaseUrl nvarchar(4000)
    SELECT @myBaseUrl = 'https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8'

    DECLARE @sbUrl int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbUrl OUT

    EXEC sp_OAMethod @sbUrl, 'Append', @success OUT, @myBaseUrl
    EXEC sp_OAMethod @sbUrl, 'Append', @success OUT, '/v1/synthesize?accept=ACCEPT_TYPE&voice=CHOSEN_VOICE&text=TEXT_TO_SYNTHESIZE'

    -- Choose "audio/wav" for the output file type.
    DECLARE @numReplaced int
    EXEC sp_OAMethod @http, 'UrlEncode', @sTmp0 OUT, 'audio/wav'
    EXEC sp_OAMethod @sbUrl, 'Replace', @numReplaced OUT, 'ACCEPT_TYPE', @sTmp0
    -- See the choices for voices at https://cloud.ibm.com/apidocs/text-to-speech#synthesize-audio-get
    EXEC sp_OAMethod @sbUrl, 'Replace', @numReplaced OUT, 'CHOSEN_VOICE', 'en-US_MichaelVoice'
    DECLARE @textToSynthesize nvarchar(4000)
    SELECT @textToSynthesize = 'When life gives you lemons, order the lobster tail.'
    EXEC sp_OAMethod @http, 'UrlEncode', @sTmp0 OUT, @textToSynthesize
    EXEC sp_OAMethod @sbUrl, 'Replace', @numReplaced OUT, 'TEXT_TO_SYNTHESIZE', @sTmp0

    -- Send the GET to synthesize the voice.
    -- The response file will be contained in bdResponseBody
    DECLARE @bdResponseBody int
    -- Use "Chilkat_9_5_0.BinData" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @bdResponseBody OUT

    EXEC sp_OAMethod @sbUrl, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @http, 'QuickGetBd', @success OUT, @sTmp0, @bdResponseBody
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @sbUrl
        EXEC @hr = sp_OADestroy @bdResponseBody
        RETURN
      END
    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @http, 'LastStatus', @respStatusCode OUT

    PRINT 'response status code = ' + @respStatusCode

    IF @respStatusCode = 200
      BEGIN
        EXEC sp_OAMethod @bdResponseBody, 'WriteFile', @success OUT, 'qa_output/lobster.wav'

        PRINT 'Success!'
      END
    ELSE
      BEGIN
        EXEC sp_OAMethod @bdResponseBody, 'GetString', @sTmp0 OUT, 'utf-8'
        PRINT @sTmp0
      END

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @sbUrl
    EXEC @hr = sp_OADestroy @bdResponseBody


END
GO