gecko/content/media/webaudio/ConvolverNode.h
Karl Tomlinson 9a843336e3 b=910171 register tail references with the AudioContext so they can be removed when the rendering is complete r=ehsan
--HG--
extra : transplant_source : %8C%C3%C2%2B%1B%E9Q%9B%0E%DE%B4%AA%02%B2%D1%A0S%F1%EC%0D
2013-09-17 11:54:52 +12:00

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