Bug 1201393. Remove irrelevant ProcessedMediaStream for nsSpeechTask. r=eitan

--HG--
extra : commitid : CuwvyZLm6ch
extra : rebase_source : 79b50e27404eb4d069fceabca6f91d883b1ef277

dom/media/webspeech/synth/nsSpeechTask.cpp

@@ -140,15 +140,19 @@ nsSpeechTask::~nsSpeechTask()
 }
 
 void
-nsSpeechTask::Init(ProcessedMediaStream* aStream)
+nsSpeechTask::InitDirectAudio()
 {
-  if (aStream) {
-    mStream = aStream->Graph()->CreateSourceStream(nullptr);
-    mPort = aStream->AllocateInputPort(mStream, 0);
-    mIndirectAudio = false;
-  } else {
-    mIndirectAudio = true;
-  }
+  mStream = MediaStreamGraph::GetInstance(MediaStreamGraph::AUDIO_THREAD_DRIVER,
+                                          AudioChannel::Normal)->
+    CreateSourceStream(nullptr);
+  mIndirectAudio = false;
+  mInited = true;
+}
+
+void
+nsSpeechTask::InitIndirectAudio()
+{
+  mIndirectAudio = true;
   mInited = true;
 }
 

dom/media/webspeech/synth/nsSpeechTask.h

@@ -48,7 +48,8 @@ public:
 
   void SetSpeechSynthesis(SpeechSynthesis* aSpeechSynthesis);
 
-  void Init(ProcessedMediaStream* aStream);
+  void InitDirectAudio();
+  void InitIndirectAudio();
 
   void SetChosenVoiceURI(const nsAString& aUri);
 

dom/media/webspeech/synth/nsSynthVoiceRegistry.cpp

@@ -177,14 +177,6 @@ nsSynthVoiceRegistry::~nsSynthVoiceRegistry()
   // mSpeechSynthChild's lifecycle is managed by the Content protocol.
   mSpeechSynthChild = nullptr;
 
-  if (mStream) {
-    if (!mStream->IsDestroyed()) {
-      mStream->Destroy();
-    }
-
-    mStream = nullptr;
-  }
-
   mUriVoiceMap.Clear();
 }
 
@@ -775,14 +767,9 @@ nsSynthVoiceRegistry::SpeakImpl(VoiceData* aVoice,
   NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Failed to get speech service type");
 
   if (serviceType == nsISpeechService::SERVICETYPE_INDIRECT_AUDIO) {
-    aTask->Init(nullptr);
+    aTask->InitIndirectAudio();
   } else {
-    if (!mStream) {
-      mStream =
-        MediaStreamGraph::GetInstance(MediaStreamGraph::AUDIO_THREAD_DRIVER,
-                                      AudioChannel::Normal)->CreateTrackUnionStream(nullptr);
-    }
-    aTask->Init(mStream);
+    aTask->InitDirectAudio();
   }
 
   aVoice->mService->Speak(aText, aVoice->mUri, aVolume, aRate, aPitch, aTask);

dom/media/webspeech/synth/nsSynthVoiceRegistry.h

@@ -95,8 +95,6 @@ private:
 
   SpeechSynthesisChild* mSpeechSynthChild;
 
-  nsRefPtr<ProcessedMediaStream> mStream;
-
   bool mUseGlobalQueue;
 
   nsTArray<nsRefPtr<GlobalQueueItem>> mGlobalQueue;