mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
125 lines
3.5 KiB
C++
125 lines
3.5 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 AudioDestinationNode_h_
|
|
#define AudioDestinationNode_h_
|
|
|
|
#include "mozilla/dom/AudioChannelBinding.h"
|
|
#include "AudioNode.h"
|
|
#include "nsIAudioChannelAgent.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
class AudioContext;
|
|
|
|
class AudioDestinationNode final : public AudioNode
|
|
, public nsIAudioChannelAgentCallback
|
|
, public MainThreadMediaStreamListener
|
|
{
|
|
public:
|
|
// This node type knows what MediaStreamGraph to use based on
|
|
// whether it's in offline mode.
|
|
AudioDestinationNode(AudioContext* aContext,
|
|
bool aIsOffline,
|
|
AudioChannel aChannel = AudioChannel::Normal,
|
|
uint32_t aNumberOfChannels = 0,
|
|
uint32_t aLength = 0,
|
|
float aSampleRate = 0.0f);
|
|
|
|
virtual void DestroyMediaStream() override;
|
|
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AudioDestinationNode, AudioNode)
|
|
NS_DECL_NSIAUDIOCHANNELAGENTCALLBACK
|
|
|
|
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
|
|
|
|
virtual uint16_t NumberOfOutputs() const final override
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
uint32_t MaxChannelCount() const;
|
|
virtual void SetChannelCount(uint32_t aChannelCount,
|
|
ErrorResult& aRv) override;
|
|
|
|
// Returns the stream or null after unlink.
|
|
AudioNodeStream* Stream() { return mStream; }
|
|
|
|
void Mute();
|
|
void Unmute();
|
|
|
|
void Suspend();
|
|
void Resume();
|
|
|
|
void StartRendering(Promise* aPromise);
|
|
|
|
void OfflineShutdown();
|
|
|
|
AudioChannel MozAudioChannelType() const;
|
|
|
|
virtual void NotifyMainThreadStreamFinished() override;
|
|
void FireOfflineCompletionEvent();
|
|
|
|
// An amount that should be added to the MediaStream's current time to
|
|
// get the AudioContext.currentTime.
|
|
StreamTime ExtraCurrentTime();
|
|
|
|
// When aIsOnlyNode is true, this is the only node for the AudioContext.
|
|
void SetIsOnlyNodeForContext(bool aIsOnlyNode);
|
|
|
|
nsresult CreateAudioChannelAgent();
|
|
void DestroyAudioChannelAgent();
|
|
|
|
virtual const char* NodeType() const override
|
|
{
|
|
return "AudioDestinationNode";
|
|
}
|
|
|
|
virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
|
|
virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
|
|
|
|
void InputMuted(bool aInputMuted);
|
|
void ResolvePromise(AudioBuffer* aRenderedBuffer);
|
|
|
|
protected:
|
|
virtual ~AudioDestinationNode();
|
|
|
|
private:
|
|
void SetMozAudioChannelType(AudioChannel aValue, ErrorResult& aRv);
|
|
bool CheckAudioChannelPermissions(AudioChannel aValue);
|
|
|
|
void SetCanPlay(float aVolume, bool aMuted);
|
|
|
|
void NotifyStableState();
|
|
void ScheduleStableStateNotification();
|
|
|
|
SelfReference<AudioDestinationNode> mOfflineRenderingRef;
|
|
uint32_t mFramesToProduce;
|
|
|
|
nsCOMPtr<nsIAudioChannelAgent> mAudioChannelAgent;
|
|
RefPtr<MediaInputPort> mCaptureStreamPort;
|
|
|
|
RefPtr<Promise> mOfflineRenderingPromise;
|
|
|
|
// Audio Channel Type.
|
|
AudioChannel mAudioChannel;
|
|
bool mIsOffline;
|
|
bool mAudioChannelAgentPlaying;
|
|
|
|
TimeStamp mStartedBlockingDueToBeingOnlyNode;
|
|
StreamTime mExtraCurrentTimeSinceLastStartedBlocking;
|
|
bool mExtraCurrentTimeUpdatedSinceLastStableState;
|
|
bool mCaptured;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif
|
|
|