gecko-dev/dom/media/webaudio/StereoPannerNode.h

72 строки
1.8 KiB
C++

/* -*- 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 StereoPannerNode_h_
#define StereoPannerNode_h_
#include "AudioNode.h"
#include "mozilla/dom/StereoPannerNodeBinding.h"
namespace mozilla {
namespace dom {
class AudioContext;
class StereoPannerNode final : public AudioNode
{
public:
MOZ_DECLARE_REFCOUNTED_TYPENAME(StereoPannerNode)
explicit StereoPannerNode(AudioContext* aContext);
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
virtual void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) override
{
if (aChannelCount > 2) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return;
}
AudioNode::SetChannelCount(aChannelCount, aRv);
}
virtual void SetChannelCountModeValue(ChannelCountMode aMode, ErrorResult& aRv) override
{
if (aMode == ChannelCountMode::Max) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return;
}
AudioNode::SetChannelCountModeValue(aMode, aRv);
}
AudioParam* Pan() const
{
return mPan;
}
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(StereoPannerNode, AudioNode)
virtual const char* NodeType() const override
{
return "StereoPannerNode";
}
virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
protected:
virtual ~StereoPannerNode();
private:
static void SendPanToStream(AudioNode* aNode);
nsRefPtr<AudioParam> mPan;
};
} // namespace dom
} // namespace mozilla
#endif