/* * 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. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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. */ #ifndef RealtimeAnalyserNode_h #define RealtimeAnalyserNode_h #include "AudioNode.h" #include "RealtimeAnalyser.h" namespace WebCore { class RealtimeAnalyserNode : public AudioNode { public: static PassRefPtr create(AudioContext* context, double sampleRate) { return adoptRef(new RealtimeAnalyserNode(context, sampleRate)); } virtual ~RealtimeAnalyserNode(); // AudioNode virtual void process(size_t framesToProcess); virtual void pullInputs(size_t framesToProcess); virtual void reset(); // Javascript bindings unsigned int fftSize() const { return m_analyser.fftSize(); } void setFftSize(unsigned int size) { m_analyser.setFftSize(size); } unsigned frequencyBinCount() const { return m_analyser.frequencyBinCount(); } void setMinDecibels(float k) { m_analyser.setMinDecibels(k); } float minDecibels() const { return m_analyser.minDecibels(); } void setMaxDecibels(float k) { m_analyser.setMaxDecibels(k); } float maxDecibels() const { return m_analyser.maxDecibels(); } void setSmoothingTimeConstant(float k) { m_analyser.setSmoothingTimeConstant(k); } float smoothingTimeConstant() const { return m_analyser.smoothingTimeConstant(); } #if ENABLE(WEBGL) void getFloatFrequencyData(Float32Array* array) { m_analyser.getFloatFrequencyData(array); } void getByteFrequencyData(Uint8Array* array) { m_analyser.getByteFrequencyData(array); } void getByteTimeDomainData(Uint8Array* array) { m_analyser.getByteTimeDomainData(array); } #endif private: RealtimeAnalyserNode(AudioContext*, double sampleRate); RealtimeAnalyser m_analyser; }; } // namespace WebCore #endif // RealtimeAnalyserNode_h