Index: third_party/WebCore/Modules/webaudio/AudioParam.idl |
diff --git a/third_party/WebCore/Modules/webaudio/AudioParam.idl b/third_party/WebCore/Modules/webaudio/AudioParam.idl |
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+/* |
+ * Copyright (C) 2010 Google Inc. All rights reserved. |
+ * |
+ * Redistribution and use in source and binary forms, with or without |
+ * modification, are permitted provided that the following conditions |
+ * are met: |
+ * |
+ * 1. Redistributions of source code must retain the above copyright |
+ * notice, this list of conditions and the following disclaimer. |
+ * 2. Redistributions in binary form must reproduce the above copyright |
+ * notice, this list of conditions and the following disclaimer in the |
+ * documentation and/or other materials provided with the distribution. |
+ * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
+ * its contributors may be used to endorse or promote products derived |
+ * from this software without specific prior written permission. |
+ * |
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+ */ |
+ |
+module webaudio { |
+ interface [ |
+ Conditional=WEB_AUDIO |
+ ] AudioParam { |
+ attribute float value; |
+ readonly attribute float minValue; |
+ readonly attribute float maxValue; |
+ readonly attribute float defaultValue; |
+ |
+ readonly attribute DOMString name; |
+ |
+ // FIXME: Could define units constants here (seconds, decibels, cents, etc.)... |
+ readonly attribute unsigned short units; |
+ |
+ // Parameter automation. |
+ void setValueAtTime(in float value, in float time); |
+ void linearRampToValueAtTime(in float value, in float time); |
+ void exponentialRampToValueAtTime(in float value, in float time); |
+ |
+ // Exponentially approach the target value with a rate having the given time constant. |
+ void setTargetValueAtTime(in float targetValue, in float time, in float timeConstant); |
+ |
+ // Sets an array of arbitrary parameter values starting at time for the given duration. |
+ // The number of values will be scaled to fit into the desired duration. |
+ void setValueCurveAtTime(in Float32Array values, in float time, in float duration); |
+ |
+ // Cancels all scheduled parameter changes with times greater than or equal to startTime. |
+ void cancelScheduledValues(in float startTime); |
+ }; |
+} |