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Bug 952893. Part 1: Block the AudioDestinationNode when it's the only node in the AudioContext. r=padenot
This commit is contained in:
parent
14fd5bbbb9
commit
d583f4c9b5
@ -10,6 +10,7 @@
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#include "ThreeDPoint.h"
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#include "ThreeDPoint.h"
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#include "AudioChannelFormat.h"
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#include "AudioChannelFormat.h"
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#include "AudioParamTimeline.h"
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#include "AudioParamTimeline.h"
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#include "AudioContext.h"
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using namespace mozilla::dom;
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using namespace mozilla::dom;
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@ -30,7 +31,7 @@ AudioNodeStream::~AudioNodeStream()
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}
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}
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void
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void
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AudioNodeStream::SetStreamTimeParameter(uint32_t aIndex, MediaStream* aRelativeToStream,
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AudioNodeStream::SetStreamTimeParameter(uint32_t aIndex, AudioContext* aContext,
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double aStreamTime)
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double aStreamTime)
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{
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{
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class Message : public ControlMessage {
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class Message : public ControlMessage {
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@ -50,7 +51,9 @@ AudioNodeStream::SetStreamTimeParameter(uint32_t aIndex, MediaStream* aRelativeT
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};
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};
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MOZ_ASSERT(this);
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MOZ_ASSERT(this);
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GraphImpl()->AppendMessage(new Message(this, aIndex, aRelativeToStream, aStreamTime));
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GraphImpl()->AppendMessage(new Message(this, aIndex,
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aContext->DestinationStream(),
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aStreamTime - aContext->ExtraCurrentTime()));
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}
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}
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void
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void
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@ -16,6 +16,7 @@ namespace dom {
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struct ThreeDPoint;
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struct ThreeDPoint;
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class AudioParamTimeline;
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class AudioParamTimeline;
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class DelayNodeEngine;
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class DelayNodeEngine;
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class AudioContext;
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}
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}
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class ThreadSharedFloatArrayBufferList;
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class ThreadSharedFloatArrayBufferList;
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@ -33,6 +34,8 @@ class AudioNodeEngine;
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*/
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*/
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class AudioNodeStream : public ProcessedMediaStream {
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class AudioNodeStream : public ProcessedMediaStream {
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public:
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public:
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typedef mozilla::dom::AudioContext AudioContext;
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enum { AUDIO_TRACK = 1 };
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enum { AUDIO_TRACK = 1 };
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typedef nsAutoTArray<AudioChunk, 1> OutputChunks;
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typedef nsAutoTArray<AudioChunk, 1> OutputChunks;
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@ -66,7 +69,7 @@ public:
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* Sets a parameter that's a time relative to some stream's played time.
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* Sets a parameter that's a time relative to some stream's played time.
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* This time is converted to a time relative to this stream when it's set.
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* This time is converted to a time relative to this stream when it's set.
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*/
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*/
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void SetStreamTimeParameter(uint32_t aIndex, MediaStream* aRelativeToStream,
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void SetStreamTimeParameter(uint32_t aIndex, AudioContext* aContext,
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double aStreamTime);
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double aStreamTime);
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void SetDoubleParameter(uint32_t aIndex, double aValue);
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void SetDoubleParameter(uint32_t aIndex, double aValue);
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void SetInt32Parameter(uint32_t aIndex, int32_t aValue);
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void SetInt32Parameter(uint32_t aIndex, int32_t aValue);
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@ -532,7 +532,7 @@ AudioBufferSourceNode::Start(double aWhen, double aOffset,
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// Don't set parameter unnecessarily
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// Don't set parameter unnecessarily
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if (aWhen > 0.0) {
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if (aWhen > 0.0) {
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ns->SetStreamTimeParameter(START, Context()->DestinationStream(), aWhen);
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ns->SetStreamTimeParameter(START, Context(), aWhen);
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}
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}
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MarkActive();
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MarkActive();
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@ -616,8 +616,7 @@ AudioBufferSourceNode::Stop(double aWhen, ErrorResult& aRv)
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return;
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return;
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}
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}
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ns->SetStreamTimeParameter(STOP, Context()->DestinationStream(),
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ns->SetStreamTimeParameter(STOP, Context(), std::max(0.0, aWhen));
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std::max(0.0, aWhen));
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}
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}
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void
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void
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@ -84,6 +84,7 @@ AudioContext::AudioContext(nsPIDOMWindow* aWindow,
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: nsDOMEventTargetHelper(aWindow)
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: nsDOMEventTargetHelper(aWindow)
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, mSampleRate(GetSampleRateForAudioContext(aIsOffline, aSampleRate))
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, mSampleRate(GetSampleRateForAudioContext(aIsOffline, aSampleRate))
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, mNumberOfChannels(aNumberOfChannels)
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, mNumberOfChannels(aNumberOfChannels)
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, mNodeCount(0)
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, mIsOffline(aIsOffline)
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, mIsOffline(aIsOffline)
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, mIsStarted(!aIsOffline)
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, mIsStarted(!aIsOffline)
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, mIsShutDown(false)
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, mIsShutDown(false)
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@ -95,6 +96,10 @@ AudioContext::AudioContext(nsPIDOMWindow* aWindow,
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mDestination = new AudioDestinationNode(this, aIsOffline, aNumberOfChannels,
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mDestination = new AudioDestinationNode(this, aIsOffline, aNumberOfChannels,
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aLength, aSampleRate);
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aLength, aSampleRate);
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mDestination->Stream()->AddAudioOutput(&gWebAudioOutputKey);
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mDestination->Stream()->AddAudioOutput(&gWebAudioOutputKey);
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// We skip calling SetIsOnlyNodeForContext during mDestination's constructor,
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// because we can only call SetIsOnlyNodeForContext after mDestination has
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// been set up.
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mDestination->SetIsOnlyNodeForContext(true);
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}
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}
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AudioContext::~AudioContext()
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AudioContext::~AudioContext()
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@ -543,7 +548,8 @@ AudioContext::DestinationStream() const
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double
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double
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AudioContext::CurrentTime() const
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AudioContext::CurrentTime() const
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{
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{
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return MediaTimeToSeconds(Destination()->Stream()->GetCurrentTime());
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return MediaTimeToSeconds(Destination()->Stream()->GetCurrentTime()) +
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Destination()->ExtraCurrentTime();
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}
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}
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void
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void
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@ -589,6 +595,18 @@ AudioContext::Resume()
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}
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}
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}
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}
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void
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AudioContext::UpdateNodeCount(int32_t aDelta)
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{
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bool firstNode = mNodeCount == 0;
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mNodeCount += aDelta;
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MOZ_ASSERT(mNodeCount >= 0);
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// mDestinationNode may be null when we're destroying nodes unlinked by CC
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if (!firstNode && mDestination) {
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mDestination->SetIsOnlyNodeForContext(mNodeCount == 1);
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}
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}
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JSContext*
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JSContext*
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AudioContext::GetJSContext() const
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AudioContext::GetJSContext() const
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{
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{
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@ -679,5 +697,11 @@ AudioContext::CollectReports(nsIHandleReportCallback* aHandleReport,
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amount, "Memory used by AudioContext objects (Web Audio).");
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amount, "Memory used by AudioContext objects (Web Audio).");
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}
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}
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double
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AudioContext::ExtraCurrentTime() const
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{
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return mDestination->ExtraCurrentTime();
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}
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}
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}
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}
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}
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@ -246,6 +246,12 @@ public:
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AudioChannel MozAudioChannelType() const;
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AudioChannel MozAudioChannelType() const;
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void SetMozAudioChannelType(AudioChannel aValue, ErrorResult& aRv);
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void SetMozAudioChannelType(AudioChannel aValue, ErrorResult& aRv);
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void UpdateNodeCount(int32_t aDelta);
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// Returns the difference between CurrentTime() and the current time of the
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// AudioDestinationNode's MediaStream.
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double ExtraCurrentTime() const;
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private:
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private:
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void RemoveFromDecodeQueue(WebAudioDecodeJob* aDecodeJob);
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void RemoveFromDecodeQueue(WebAudioDecodeJob* aDecodeJob);
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void ShutdownDecoder();
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void ShutdownDecoder();
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@ -272,6 +278,8 @@ private:
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nsTHashtable<nsPtrHashKey<PannerNode> > mPannerNodes;
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nsTHashtable<nsPtrHashKey<PannerNode> > mPannerNodes;
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// Number of channels passed in the OfflineAudioContext ctor.
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// Number of channels passed in the OfflineAudioContext ctor.
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uint32_t mNumberOfChannels;
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uint32_t mNumberOfChannels;
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// Number of nodes that currently exist for this AudioContext
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int32_t mNodeCount;
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bool mIsOffline;
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bool mIsOffline;
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bool mIsStarted;
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bool mIsStarted;
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bool mIsShutDown;
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bool mIsShutDown;
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@ -17,6 +17,8 @@
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#include "nsIPermissionManager.h"
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#include "nsIPermissionManager.h"
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#include "nsIScriptObjectPrincipal.h"
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#include "nsIScriptObjectPrincipal.h"
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#include "nsServiceManagerUtils.h"
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#include "nsServiceManagerUtils.h"
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#include "nsIAppShell.h"
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#include "nsWidgetsCID.h"
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namespace mozilla {
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namespace mozilla {
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namespace dom {
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namespace dom {
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@ -217,6 +219,8 @@ AudioDestinationNode::AudioDestinationNode(AudioContext* aContext,
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, mAudioChannel(AudioChannel::Normal)
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, mAudioChannel(AudioChannel::Normal)
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, mIsOffline(aIsOffline)
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, mIsOffline(aIsOffline)
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, mHasFinished(false)
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, mHasFinished(false)
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, mExtraCurrentTime(0)
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, mExtraCurrentTimeUpdatedSinceLastStableState(false)
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{
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{
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MediaStreamGraph* graph = aIsOffline ?
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MediaStreamGraph* graph = aIsOffline ?
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MediaStreamGraph::CreateNonRealtimeInstance() :
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MediaStreamGraph::CreateNonRealtimeInstance() :
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@ -486,6 +490,62 @@ AudioDestinationNode::CreateAudioChannelAgent()
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mAudioChannelAgent->StartPlaying(&state);
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mAudioChannelAgent->StartPlaying(&state);
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SetCanPlay(state == AudioChannelState::AUDIO_CHANNEL_STATE_NORMAL);
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SetCanPlay(state == AudioChannelState::AUDIO_CHANNEL_STATE_NORMAL);
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}
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}
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void
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AudioDestinationNode::NotifyStableState()
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{
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mExtraCurrentTimeUpdatedSinceLastStableState = false;
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}
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static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
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void
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AudioDestinationNode::ScheduleStableStateNotification()
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{
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nsCOMPtr<nsIAppShell> appShell = do_GetService(kAppShellCID);
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if (appShell) {
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nsCOMPtr<nsIRunnable> event =
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NS_NewRunnableMethod(this, &AudioDestinationNode::NotifyStableState);
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appShell->RunInStableState(event);
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}
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}
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double
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AudioDestinationNode::ExtraCurrentTime()
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{
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if (!mStartedBlockingDueToBeingOnlyNode.IsNull() &&
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!mExtraCurrentTimeUpdatedSinceLastStableState) {
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mExtraCurrentTimeUpdatedSinceLastStableState = true;
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mExtraCurrentTimeSinceLastStartedBlocking =
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(TimeStamp::Now() - mStartedBlockingDueToBeingOnlyNode).ToSeconds();
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ScheduleStableStateNotification();
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}
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return mExtraCurrentTime + mExtraCurrentTimeSinceLastStartedBlocking;
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}
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void
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AudioDestinationNode::SetIsOnlyNodeForContext(bool aIsOnlyNode)
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{
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if (!mStartedBlockingDueToBeingOnlyNode.IsNull() == aIsOnlyNode) {
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return;
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}
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if (aIsOnlyNode) {
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mStream->ChangeExplicitBlockerCount(1);
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mStartedBlockingDueToBeingOnlyNode = TimeStamp::Now();
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mExtraCurrentTimeSinceLastStartedBlocking = 0;
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// Don't do an update of mExtraCurrentTimeSinceLastStartedBlocking until the next stable state.
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mExtraCurrentTimeUpdatedSinceLastStableState = true;
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ScheduleStableStateNotification();
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} else {
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// Force update of mExtraCurrentTimeSinceLastStartedBlocking if necessary
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ExtraCurrentTime();
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mExtraCurrentTime += mExtraCurrentTimeSinceLastStartedBlocking;
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mStream->ChangeExplicitBlockerCount(-1);
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mStartedBlockingDueToBeingOnlyNode = TimeStamp();
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}
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}
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}
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}
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}
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}
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@ -70,12 +70,22 @@ public:
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virtual void NotifyMainThreadStateChanged() MOZ_OVERRIDE;
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virtual void NotifyMainThreadStateChanged() MOZ_OVERRIDE;
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void FireOfflineCompletionEvent();
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void FireOfflineCompletionEvent();
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// An amount that should be added to the MediaStream's current time to
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// get the AudioContext.currentTime.
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double ExtraCurrentTime();
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// When aIsOnlyNode is true, this is the only node for the AudioContext.
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void SetIsOnlyNodeForContext(bool aIsOnlyNode);
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private:
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private:
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bool CheckAudioChannelPermissions(AudioChannel aValue);
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bool CheckAudioChannelPermissions(AudioChannel aValue);
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void CreateAudioChannelAgent();
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void CreateAudioChannelAgent();
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void SetCanPlay(bool aCanPlay);
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void SetCanPlay(bool aCanPlay);
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void NotifyStableState();
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void ScheduleStableStateNotification();
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SelfReference<AudioDestinationNode> mOfflineRenderingRef;
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SelfReference<AudioDestinationNode> mOfflineRenderingRef;
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uint32_t mFramesToProduce;
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uint32_t mFramesToProduce;
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@ -83,8 +93,16 @@ private:
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// Audio Channel Type.
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// Audio Channel Type.
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AudioChannel mAudioChannel;
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AudioChannel mAudioChannel;
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<<<<<<< /home/roc/mozilla-central/content/media/webaudio/AudioDestinationNode.h
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bool mIsOffline;
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bool mIsOffline;
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bool mHasFinished;
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bool mHasFinished;
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=======
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TimeStamp mStartedBlockingDueToBeingOnlyNode;
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double mExtraCurrentTime;
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double mExtraCurrentTimeSinceLastStartedBlocking;
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bool mExtraCurrentTimeUpdatedSinceLastStableState;
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>>>>>>> /tmp/AudioDestinationNode.h~other.MvuUBx
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};
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};
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}
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}
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@ -19,6 +19,7 @@ NS_IMPL_CYCLE_COLLECTION_CLASS(AudioNode)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(AudioNode, nsDOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(AudioNode, nsDOMEventTargetHelper)
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tmp->DisconnectFromGraph();
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tmp->DisconnectFromGraph();
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tmp->mContext->UpdateNodeCount(-1);
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mContext)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mContext)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mOutputNodes)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mOutputNodes)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mOutputParams)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mOutputParams)
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@ -58,6 +59,9 @@ AudioNode::AudioNode(AudioContext* aContext,
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, mChannelInterpretation(aChannelInterpretation)
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, mChannelInterpretation(aChannelInterpretation)
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{
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{
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MOZ_ASSERT(aContext);
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MOZ_ASSERT(aContext);
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nsDOMEventTargetHelper::BindToOwner(aContext->GetParentObject());
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SetIsDOMBinding();
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aContext->UpdateNodeCount(1);
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}
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}
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AudioNode::~AudioNode()
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AudioNode::~AudioNode()
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@ -65,6 +69,9 @@ AudioNode::~AudioNode()
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MOZ_ASSERT(mInputNodes.IsEmpty());
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MOZ_ASSERT(mInputNodes.IsEmpty());
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MOZ_ASSERT(mOutputNodes.IsEmpty());
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MOZ_ASSERT(mOutputNodes.IsEmpty());
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MOZ_ASSERT(mOutputParams.IsEmpty());
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MOZ_ASSERT(mOutputParams.IsEmpty());
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if (mContext) {
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mContext->UpdateNodeCount(-1);
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}
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}
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}
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template <class InputNode>
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template <class InputNode>
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@ -578,8 +578,7 @@ OscillatorNode::Start(double aWhen, ErrorResult& aRv)
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|
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// TODO: Perhaps we need to do more here.
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// TODO: Perhaps we need to do more here.
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ns->SetStreamTimeParameter(OscillatorNodeEngine::START,
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ns->SetStreamTimeParameter(OscillatorNodeEngine::START,
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Context()->DestinationStream(),
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Context(), aWhen);
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aWhen);
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MarkActive();
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MarkActive();
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}
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}
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@ -605,8 +604,7 @@ OscillatorNode::Stop(double aWhen, ErrorResult& aRv)
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// TODO: Perhaps we need to do more here.
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// TODO: Perhaps we need to do more here.
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ns->SetStreamTimeParameter(OscillatorNodeEngine::STOP,
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ns->SetStreamTimeParameter(OscillatorNodeEngine::STOP,
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Context()->DestinationStream(),
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Context(), std::max(0.0, aWhen));
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std::max(0.0, aWhen));
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}
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}
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void
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void
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@ -9,6 +9,7 @@ PARALLEL_DIRS += ['blink', 'test']
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TEST_TOOL_DIRS += ['compiledtest']
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TEST_TOOL_DIRS += ['compiledtest']
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EXPORTS += [
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EXPORTS += [
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'AudioContext.h',
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||||||
'AudioParamTimeline.h',
|
'AudioParamTimeline.h',
|
||||||
'MediaBufferDecoder.h',
|
'MediaBufferDecoder.h',
|
||||||
'ThreeDPoint.h',
|
'ThreeDPoint.h',
|
||||||
|
Loading…
Reference in New Issue
Block a user