OLD | NEW |
| (Empty) |
1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 [DartPackage="mojo_services", JavaPackage="org.chromium.mojo.speech_recognizer"] | |
6 module speech_recognizer; | |
7 | |
8 enum Error { | |
9 NETWORK_TIMEOUT = 1, | |
10 NETWORK = 2, | |
11 AUDIO = 3, | |
12 SERVER = 4, | |
13 CLIENT = 5, | |
14 SPEECH_TIMEOUT = 6, | |
15 NO_MATCH = 7, | |
16 RECOGNIZER_BUSY = 8, | |
17 INSUFFICIENT_PERMISSIONS = 9 | |
18 }; | |
19 | |
20 struct UtteranceCandidate { | |
21 // Utterance text candidate returned by speech recognition service. | |
22 string text; | |
23 | |
24 // Confidence score in [0,1]. | |
25 float confidence_score; | |
26 }; | |
27 | |
28 union ResultOrError { | |
29 Error error_code; | |
30 array<UtteranceCandidate> results; | |
31 }; | |
32 | |
33 // |SpeechRecognizerService| provides access to a speech recognition service. | |
34 // It is responsible for reading microphone input, deciding when the user is | |
35 // done speaking, and performing speech recognition on the result. | |
36 interface SpeechRecognizerService { | |
37 // Starts listening to the user. When listening has finished or an error | |
38 // occurs, returns |result_or_error|. Any call to Listen() made while another | |
39 // is in progress will immediately return an error. | |
40 Listen() => (ResultOrError result_or_error); | |
41 | |
42 // Stops the SpeechRecognizer from listening and finishes any previous call | |
43 // to Listen() causing it to return. | |
44 StopListening(); | |
45 }; | |
OLD | NEW |