1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/webrtc/LoadManager.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,62 @@
1.4 +/* -*- Mode: C++; tab-width: 50; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef _LOADMANAGER_H_
1.10 +#define _LOADMANAGER_H_
1.11 +
1.12 +#include "LoadMonitor.h"
1.13 +#include "webrtc/common_types.h"
1.14 +#include "webrtc/video_engine/include/vie_base.h"
1.15 +#include "mozilla/TimeStamp.h"
1.16 +#include "nsTArray.h"
1.17 +
1.18 +extern PRLogModuleInfo *gLoadManagerLog;
1.19 +
1.20 +namespace mozilla {
1.21 +
1.22 +class LoadManager : public LoadNotificationCallback,
1.23 + public webrtc::CPULoadStateCallbackInvoker,
1.24 + public webrtc::CpuOveruseObserver
1.25 +{
1.26 +public:
1.27 + LoadManager(int aLoadMeasurementInterval,
1.28 + int aAveragingMeasurements,
1.29 + float aHighLoadThreshold,
1.30 + float aLowLoadThreshold);
1.31 + ~LoadManager();
1.32 +
1.33 + // LoadNotificationCallback interface
1.34 + virtual void LoadChanged(float aSystemLoad, float aProcessLoad) MOZ_OVERRIDE;
1.35 + // CpuOveruseObserver interface
1.36 + // Called as soon as an overuse is detected.
1.37 + virtual void OveruseDetected() MOZ_OVERRIDE;
1.38 + // Called periodically when the system is not overused any longer.
1.39 + virtual void NormalUsage() MOZ_OVERRIDE;
1.40 + // CPULoadStateCallbackInvoker interface
1.41 + virtual void AddObserver(webrtc::CPULoadStateObserver * aObserver) MOZ_OVERRIDE;
1.42 + virtual void RemoveObserver(webrtc::CPULoadStateObserver * aObserver) MOZ_OVERRIDE;
1.43 +
1.44 +private:
1.45 + void LoadHasChanged();
1.46 +
1.47 + nsRefPtr<LoadMonitor> mLoadMonitor;
1.48 + float mLoadSum;
1.49 + int mLoadSumMeasurements;
1.50 + // Set when overuse was signaled to us, and hasn't been un-signaled yet.
1.51 + bool mOveruseActive;
1.52 + // Load measurement settings
1.53 + int mLoadMeasurementInterval;
1.54 + int mAveragingMeasurements;
1.55 + float mHighLoadThreshold;
1.56 + float mLowLoadThreshold;
1.57 +
1.58 + webrtc::CPULoadState mCurrentState;
1.59 +
1.60 + nsTArray<webrtc::CPULoadStateObserver*> mObservers;
1.61 +};
1.62 +
1.63 +} //namespace
1.64 +
1.65 +#endif /* _LOADMANAGER_H_ */
