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87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef ConvolverNode_h_
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#define ConvolverNode_h_
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#include "AudioNode.h"
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#include "AudioBuffer.h"
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namespace mozilla {
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namespace dom {
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template <class T> class PlayingRefChangeHandler;
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class ConvolverNode : public AudioNode
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{
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public:
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explicit ConvolverNode(AudioContext* aContext);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ConvolverNode, AudioNode);
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
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AudioBuffer* GetBuffer(JSContext* aCx) const
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{
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return mBuffer;
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}
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void SetBuffer(JSContext* aCx, AudioBuffer* aBufferi, ErrorResult& aRv);
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bool Normalize() const
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{
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return mNormalize;
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}
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void SetNormalize(bool aNormal);
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virtual void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) MOZ_OVERRIDE
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{
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if (aChannelCount > 2) {
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aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
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return;
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}
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AudioNode::SetChannelCount(aChannelCount, aRv);
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}
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virtual void SetChannelCountModeValue(ChannelCountMode aMode, ErrorResult& aRv) MOZ_OVERRIDE
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{
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if (aMode == ChannelCountMode::Max) {
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aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
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return;
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}
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AudioNode::SetChannelCountModeValue(aMode, aRv);
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}
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virtual void NotifyInputConnected() MOZ_OVERRIDE
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{
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mMediaStreamGraphUpdateIndexAtLastInputConnection =
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mStream->Graph()->GetCurrentGraphUpdateIndex();
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}
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bool AcceptPlayingRefRelease(int64_t aLastGraphUpdateIndexProcessed) const
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{
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// Reject any requests to release mPlayingRef if the request was issued
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// before the MediaStreamGraph was aware of the most-recently-added input
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// connection.
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return aLastGraphUpdateIndexProcessed >= mMediaStreamGraphUpdateIndexAtLastInputConnection;
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}
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private:
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friend class PlayingRefChangeHandler<ConvolverNode>;
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int64_t mMediaStreamGraphUpdateIndexAtLastInputConnection;
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nsRefPtr<AudioBuffer> mBuffer;
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SelfReference<ConvolverNode> mPlayingRef;
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bool mNormalize;
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};
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} //end namespace dom
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} //end namespace mozilla
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#endif
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