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 "AudioBasicProcessorNode.h" 29 #include "DelayProcessor.h" 30 #include <wtf/PassRefPtr.h> 31 32 namespace WebCore { 33 34 class AudioParam; 35 36 class DelayNode : public AudioBasicProcessorNode { 37 public: create(AudioContext * context,double sampleRate)38 static PassRefPtr<DelayNode> create(AudioContext* context, double sampleRate) 39 { 40 return adoptRef(new DelayNode(context, sampleRate)); 41 } 42 43 AudioParam* delayTime(); 44 45 private: 46 DelayNode(AudioContext*, double sampleRate); 47 delayProcessor()48 DelayProcessor* delayProcessor() { return static_cast<DelayProcessor*>(processor()); } 49 }; 50 51 } // namespace WebCore 52 53 #endif // DelayNode_h 54