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 HighPass2FilterNode_h 26 #define HighPass2FilterNode_h 27 28 #include "AudioBasicProcessorNode.h" 29 #include "BiquadProcessor.h" 30 31 namespace WebCore { 32 33 class AudioParam; 34 35 class HighPass2FilterNode : public AudioBasicProcessorNode { 36 public: create(AudioContext * context,double sampleRate)37 static PassRefPtr<HighPass2FilterNode> create(AudioContext* context, double sampleRate) 38 { 39 return adoptRef(new HighPass2FilterNode(context, sampleRate)); 40 } 41 cutoff()42 AudioParam* cutoff() { return biquadProcessor()->parameter1(); } resonance()43 AudioParam* resonance() { return biquadProcessor()->parameter2(); } 44 45 private: 46 HighPass2FilterNode(AudioContext*, double sampleRate); 47 biquadProcessor()48 BiquadProcessor* biquadProcessor() { return static_cast<BiquadProcessor*>(processor()); } 49 }; 50 51 } // namespace WebCore 52 53 #endif // HighPass2FilterNode_h 54