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- /*
- File: Listening.c
-
- Contains:
-
- Written by:
-
- Copyright: Copyright © 1996-1999 by Apple Computer, Inc., All Rights Reserved.
-
- You may incorporate this Apple sample source code into your program(s) without
- restriction. This Apple sample source code has been provided "AS IS" and the
- responsibility for its operation is yours. You are not permitted to redistribute
- this Apple sample source code as "Apple sample source code" after having made
- changes. If you're going to re-distribute the source, we require that you make
- it clear in the source that the code was descended from Apple sample source
- code, but that you've made changes.
-
- Change History (most recent first):
- 8/2/1999 Karl Groethe Updated for Metrowerks Codewarror Pro 2.1
-
-
- */
- #ifndef __LISTENING__
- #include "Listening.h"
- #endif
-
- OSErr InitSpeechRecognition (SpeechInfoPtr theSpeechInfo)
- {
- OSErr theErr = noErr;
-
- /* Make sure SpeechRecognition Toolbox is available */
- theErr = Gestalt (gestaltSpeechRecognitionVersion, &theSpeechInfo->attributes);
- /* Version number must be at least 1.5 to support Speech Recognition Toolbox API used here. */
- if (theErr == noErr) {
- if (theSpeechInfo->attributes < 0x00000150) {
- theErr = kNotEnoughSpeechVersion;
- }
- }
-
- return theErr;
- }
-
- OSErr OpenSpeechRecognition (SpeechInfoPtr theSpeechInfo)
- {
- OSErr theErr = noErr;
-
- theErr = SROpenRecognitionSystem (&theSpeechInfo->recogSystem, kSRDefaultRecognitionSystemID);
-
- return theErr;
- }
-
- OSErr ConfigureRecognition (SpeechInfoPtr theSpeechInfo)
- {
- OSErr theErr = noErr;
- short feedbackModes = kSRHasFeedbackHasListenModes;
-
- /* We use the default feedback and listening modes */
- theErr = SRSetProperty (theSpeechInfo->recogSystem, kSRFeedbackAndListeningModes, &feedbackModes, sizeof (feedbackModes));
-
- return theErr;
- }
-
- OSErr GetNewRecognizer (SpeechInfoPtr theSpeechInfo)
- {
- OSErr theErr = noErr;
- Boolean forground = false; //We want to recognize even if in the background
-
- /* Create a recognizer with default speech source -- e.g. the desktop microphone */
- theErr = SRNewRecognizer (theSpeechInfo->recogSystem, &theSpeechInfo->theRecognizer, kSRDefaultSpeechSource);
- if (theErr == noErr) {
- theErr = SRSetProperty (theSpeechInfo->theRecognizer, kSRForegroundOnly, &forground, sizeof (forground));
- }
-
- return theErr;
- }
-