gecko-dev/content/media/webaudio/MediaStreamAudioSourceNode.h

77 lines
2.0 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 MediaStreamAudioSourceNode_h_
#define MediaStreamAudioSourceNode_h_
#include "AudioNode.h"
#include "DOMMediaStream.h"
#include "AudioNodeEngine.h"
namespace mozilla {
namespace dom {
class MediaStreamAudioSourceNodeEngine : public AudioNodeEngine
{
public:
MediaStreamAudioSourceNodeEngine(AudioNode* aNode)
: AudioNodeEngine(aNode), mEnabled(false) {}
bool IsEnabled() const { return mEnabled; }
enum Parameters {
ENABLE
};
virtual void SetInt32Parameter(uint32_t aIndex, int32_t aValue) MOZ_OVERRIDE
{
switch (aIndex) {
case ENABLE:
mEnabled = !!aValue;
break;
default:
NS_ERROR("MediaStreamAudioSourceNodeEngine bad parameter index");
}
}
private:
bool mEnabled;
};
class MediaStreamAudioSourceNode : public AudioNode,
public DOMMediaStream::PrincipalChangeObserver
{
public:
MediaStreamAudioSourceNode(AudioContext* aContext, DOMMediaStream* aMediaStream);
virtual ~MediaStreamAudioSourceNode();
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaStreamAudioSourceNode, AudioNode)
virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
virtual void DestroyMediaStream() MOZ_OVERRIDE;
virtual uint16_t NumberOfInputs() const MOZ_OVERRIDE { return 0; }
virtual const char* NodeType() const
{
return "MediaStreamAudioSourceNode";
}
virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
virtual void PrincipalChanged(DOMMediaStream* aMediaStream) MOZ_OVERRIDE;
private:
nsRefPtr<MediaInputPort> mInputPort;
nsRefPtr<DOMMediaStream> mInputStream;
};
}
}
#endif