/* * Copyright 2014 The Chromium Authors. All rights reserved. * Copyright (C) 2020 Apple 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. */ #pragma once #if ENABLE(WEB_AUDIO) #include "AudioNode.h" #include "AudioParam.h" #include "StereoPanner.h" #include "StereoPannerOptions.h" namespace WebCore { class AudioContext; class StereoPannerNode final : public AudioNode { WTF_MAKE_ISO_ALLOCATED(StereoPannerNode); public: static ExceptionOr<Ref<StereoPannerNode>> create(BaseAudioContext&, const StereoPannerOptions& = { }); ~StereoPannerNode(); AudioParam& pan() { return m_pan.get(); } private: StereoPannerNode(BaseAudioContext&, float pan); // AudioNode void process(size_t framesToProcess) final; void reset() final { }; ExceptionOr<void> setChannelCount(unsigned) final; ExceptionOr<void> setChannelCountMode(ChannelCountMode) final; double tailTime() const final { return 0; } double latencyTime() const final { return 0; } Ref<AudioParam> m_pan; AudioFloatArray m_sampleAccurateValues { AudioNode::ProcessingSizeInFrames }; }; } // namespace WebCore #endif // ENABLE(WEB_AUDIO)