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comparison: content/media/webrtc/LoadManager.h
content/media/webrtc/LoadManager.h
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| 1 /* -*- Mode: C++; tab-width: 50; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef _LOADMANAGER_H_ | |
| 7 #define _LOADMANAGER_H_ | |
| 8 | |
| 9 #include "LoadMonitor.h" | |
| 10 #include "webrtc/common_types.h" | |
| 11 #include "webrtc/video_engine/include/vie_base.h" | |
| 12 #include "mozilla/TimeStamp.h" | |
| 13 #include "nsTArray.h" | |
| 14 | |
| 15 extern PRLogModuleInfo *gLoadManagerLog; | |
| 16 | |
| 17 namespace mozilla { | |
| 18 | |
| 19 class LoadManager : public LoadNotificationCallback, | |
| 20 public webrtc::CPULoadStateCallbackInvoker, | |
| 21 public webrtc::CpuOveruseObserver | |
| 22 { | |
| 23 public: | |
| 24 LoadManager(int aLoadMeasurementInterval, | |
| 25 int aAveragingMeasurements, | |
| 26 float aHighLoadThreshold, | |
| 27 float aLowLoadThreshold); | |
| 28 ~LoadManager(); | |
| 29 | |
| 30 // LoadNotificationCallback interface | |
| 31 virtual void LoadChanged(float aSystemLoad, float aProcessLoad) MOZ_OVERRIDE; | |
| 32 // CpuOveruseObserver interface | |
| 33 // Called as soon as an overuse is detected. | |
| 34 virtual void OveruseDetected() MOZ_OVERRIDE; | |
| 35 // Called periodically when the system is not overused any longer. | |
| 36 virtual void NormalUsage() MOZ_OVERRIDE; | |
| 37 // CPULoadStateCallbackInvoker interface | |
| 38 virtual void AddObserver(webrtc::CPULoadStateObserver * aObserver) MOZ_OVERRIDE; | |
| 39 virtual void RemoveObserver(webrtc::CPULoadStateObserver * aObserver) MOZ_OVERRIDE; | |
| 40 | |
| 41 private: | |
| 42 void LoadHasChanged(); | |
| 43 | |
| 44 nsRefPtr<LoadMonitor> mLoadMonitor; | |
| 45 float mLoadSum; | |
| 46 int mLoadSumMeasurements; | |
| 47 // Set when overuse was signaled to us, and hasn't been un-signaled yet. | |
| 48 bool mOveruseActive; | |
| 49 // Load measurement settings | |
| 50 int mLoadMeasurementInterval; | |
| 51 int mAveragingMeasurements; | |
| 52 float mHighLoadThreshold; | |
| 53 float mLowLoadThreshold; | |
| 54 | |
| 55 webrtc::CPULoadState mCurrentState; | |
| 56 | |
| 57 nsTArray<webrtc::CPULoadStateObserver*> mObservers; | |
| 58 }; | |
| 59 | |
| 60 } //namespace | |
| 61 | |
| 62 #endif /* _LOADMANAGER_H_ */ |
