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1 /* | 1 /* |
2 * Copyright (C) 2012, Google Inc. All rights reserved. | 2 * Copyright (C) 2012, Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y |
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N |
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
23 */ | 23 */ |
24 | 24 |
| 25 enum OscillatorType { |
| 26 "sine", |
| 27 "square", |
| 28 "sawtooth", |
| 29 "triangle", |
| 30 "custom" |
| 31 }; |
| 32 |
25 // OscillatorNode is an audio generator of periodic waveforms. | 33 // OscillatorNode is an audio generator of periodic waveforms. |
26 [ | 34 [ |
27 Conditional=WEB_AUDIO | 35 Conditional=WEB_AUDIO |
28 ] interface OscillatorNode : AudioSourceNode { | 36 ] interface OscillatorNode : AudioSourceNode { |
29 | 37 |
30 // Type constants. | 38 attribute OscillatorType type; |
31 const unsigned short SINE = 0; | |
32 const unsigned short SQUARE = 1; | |
33 const unsigned short SAWTOOTH = 2; | |
34 const unsigned short TRIANGLE = 3; | |
35 const unsigned short CUSTOM = 4; | |
36 | |
37 [Custom=Setter] attribute DOMString type; | |
38 | |
39 // Playback state constants. | |
40 const unsigned short UNSCHEDULED_STATE = 0; | |
41 const unsigned short SCHEDULED_STATE = 1; | |
42 const unsigned short PLAYING_STATE = 2; | |
43 const unsigned short FINISHED_STATE = 3; | |
44 | |
45 readonly attribute unsigned short playbackState; | |
46 | 39 |
47 readonly attribute AudioParam frequency; // in Hertz | 40 readonly attribute AudioParam frequency; // in Hertz |
48 readonly attribute AudioParam detune; // in Cents | 41 readonly attribute AudioParam detune; // in Cents |
49 | 42 |
50 [RaisesException] void start(optional double when); | 43 [RaisesException] void start(optional double when); |
51 [RaisesException] void stop(optional double when); | 44 [RaisesException] void stop(optional double when); |
52 | 45 |
53 [RaisesException, ImplementedAs=start] void noteOn(double when); | 46 [RaisesException, ImplementedAs=start] void noteOn(double when); |
54 [RaisesException, ImplementedAs=stop] void noteOff(double when); | 47 [RaisesException, ImplementedAs=stop] void noteOff(double when); |
55 | 48 |
56 void setPeriodicWave(PeriodicWave periodicWave); | 49 void setPeriodicWave(PeriodicWave periodicWave); |
57 | 50 |
58 attribute EventHandler onended; | 51 attribute EventHandler onended; |
59 }; | 52 }; |
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