1 /* 2 * Copyright (C) 2010, Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 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 ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 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 ON 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 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef DelayNode_h 26 #define DelayNode_h 27 28 #include "modules/webaudio/AudioBasicProcessorNode.h" 29 #include "modules/webaudio/DelayProcessor.h" 30 #include "wtf/PassRefPtr.h" 31 32 namespace WebCore { 33 34 class AudioParam; 35 class ExceptionState; 36 37 class DelayNode : public AudioBasicProcessorNode { 38 public: 39 static PassRefPtr<DelayNode> create(AudioContext* context, float sampleRate, double maxDelayTime, ExceptionState& es) 40 { 41 return adoptRef(new DelayNode(context, sampleRate, maxDelayTime, es)); 42 } 43 44 AudioParam* delayTime(); 45 46 private: 47 DelayNode(AudioContext*, float sampleRate, double maxDelayTime, ExceptionState&); 48 49 DelayProcessor* delayProcessor() { return static_cast<DelayProcessor*>(processor()); } 50 }; 51 52 } // namespace WebCore 53 54 #endif // DelayNode_h 55
