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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 |
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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 WillBeGarbageCollected, |
31 Conditional=WEB_AUDIO | 31 Conditional=WEB_AUDIO |
32 ] interface AudioParam { | 32 ] interface AudioParam { |
33 attribute float value; | 33 attribute float value; |
34 readonly attribute float minValue; | |
35 readonly attribute float maxValue; | |
36 readonly attribute float defaultValue; | 34 readonly attribute float defaultValue; |
37 | 35 |
38 readonly attribute DOMString name; | |
39 | |
40 // FIXME: Could define units constants here (seconds, decibels, cents, etc.)
... | |
41 readonly attribute unsigned short units; | |
42 | |
43 // Parameter automation. | 36 // Parameter automation. |
44 void setValueAtTime(float value, double time); | 37 void setValueAtTime(float value, double time); |
45 void linearRampToValueAtTime(float value, double time); | 38 void linearRampToValueAtTime(float value, double time); |
46 [RaisesException] void exponentialRampToValueAtTime(float value, double time
); | 39 [RaisesException] void exponentialRampToValueAtTime(float value, double time
); |
47 | 40 |
48 // Exponentially approach the target with a rate having the given time const
ant. | 41 // Exponentially approach the target with a rate having the given time const
ant. |
49 void setTargetAtTime(float target, double time, double timeConstant); | 42 void setTargetAtTime(float target, double time, double timeConstant); |
50 | 43 |
51 // Sets an array of arbitrary parameter values starting at time for the give
n duration. | 44 // Sets an array of arbitrary parameter values starting at time for the give
n duration. |
52 // The number of values will be scaled to fit into the desired duration. | 45 // The number of values will be scaled to fit into the desired duration. |
53 // FIXMEDART(ager): Auto-generate this custom method when the info about | 46 // FIXMEDART(ager): Auto-generate this custom method when the info about |
54 // retaining typed arrays is in the IDL. | 47 // retaining typed arrays is in the IDL. |
55 [DartCustom] void setValueCurveAtTime(Float32Array values, double time, doub
le duration); | 48 [DartCustom] void setValueCurveAtTime(Float32Array values, double time, doub
le duration); |
56 | 49 |
57 // Cancels all scheduled parameter changes with times greater than or equal
to startTime. | 50 // Cancels all scheduled parameter changes with times greater than or equal
to startTime. |
58 void cancelScheduledValues(double startTime); | 51 void cancelScheduledValues(double startTime); |
59 | 52 |
60 }; | 53 }; |
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