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 DelayProcessor_h 26 #define DelayProcessor_h 27 28 #include "core/platform/audio/AudioDSPKernelProcessor.h" 29 #include "modules/webaudio/AudioParam.h" 30 31 #include "wtf/PassOwnPtr.h" 32 #include "wtf/RefPtr.h" 33 34 namespace WebCore { 35 36 class AudioDSPKernel; 37 38 class DelayProcessor : public AudioDSPKernelProcessor { 39 public: 40 DelayProcessor(AudioContext*, float sampleRate, unsigned numberOfChannels, double maxDelayTime); 41 virtual ~DelayProcessor(); 42 43 virtual PassOwnPtr<AudioDSPKernel> createKernel(); 44 45 AudioParam* delayTime() const { return m_delayTime.get(); } 46 47 double maxDelayTime() { return m_maxDelayTime; } 48 private: 49 50 RefPtr<AudioParam> m_delayTime; 51 double m_maxDelayTime; 52 }; 53 54 } // namespace WebCore 55 56 #endif // DelayProcessor_h 57
