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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 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 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
14 * its contributors may be used to endorse or promote products derived | 14 * its contributors may be used to endorse or promote products derived |
15 * from this software without specific prior written permission. | 15 * from this software without specific prior written permission. |
16 * | 16 * |
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 */ | 27 */ |
28 | 28 |
29 [ | 29 [ |
| 30 WillBeGarbageCollected, |
30 Conditional=WEB_AUDIO | 31 Conditional=WEB_AUDIO |
31 ] interface AudioParam { | 32 ] interface AudioParam { |
32 attribute float value; | 33 attribute float value; |
33 readonly attribute float minValue; | 34 readonly attribute float minValue; |
34 readonly attribute float maxValue; | 35 readonly attribute float maxValue; |
35 readonly attribute float defaultValue; | 36 readonly attribute float defaultValue; |
36 | 37 |
37 readonly attribute DOMString name; | 38 readonly attribute DOMString name; |
38 | 39 |
39 // FIXME: Could define units constants here (seconds, decibels, cents, etc.)
... | 40 // FIXME: Could define units constants here (seconds, decibels, cents, etc.)
... |
40 readonly attribute unsigned short units; | 41 readonly attribute unsigned short units; |
41 | 42 |
42 // Parameter automation. | 43 // Parameter automation. |
43 void setValueAtTime(float value, double time); | 44 void setValueAtTime(float value, double time); |
44 void linearRampToValueAtTime(float value, double time); | 45 void linearRampToValueAtTime(float value, double time); |
45 [RaisesException] void exponentialRampToValueAtTime(float value, double time
); | 46 [RaisesException] void exponentialRampToValueAtTime(float value, double time
); |
46 | 47 |
47 // Exponentially approach the target with a rate having the given time const
ant. | 48 // Exponentially approach the target with a rate having the given time const
ant. |
48 void setTargetAtTime(float target, double time, double timeConstant); | 49 void setTargetAtTime(float target, double time, double timeConstant); |
49 | 50 |
50 // Sets an array of arbitrary parameter values starting at time for the give
n duration. | 51 // Sets an array of arbitrary parameter values starting at time for the give
n duration. |
51 // The number of values will be scaled to fit into the desired duration. | 52 // The number of values will be scaled to fit into the desired duration. |
52 void setValueCurveAtTime(Float32Array values, double time, double duration); | 53 void setValueCurveAtTime(Float32Array values, double time, double duration); |
53 | 54 |
54 // Cancels all scheduled parameter changes with times greater than or equal
to startTime. | 55 // Cancels all scheduled parameter changes with times greater than or equal
to startTime. |
55 void cancelScheduledValues(double startTime); | 56 void cancelScheduledValues(double startTime); |
56 | 57 |
57 }; | 58 }; |
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