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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This class chooses a capture interval so as to limit CPU usage to not exceed
// a specified %age. It bases this on the CPU usage of recent capture and encode
// operations, and on the number of available CPUs.
#ifndef REMOTING_HOST_CAPTURE_SCHEDULER_H_
#define REMOTING_HOST_CAPTURE_SCHEDULER_H_
#include "base/time.h"
#include "remoting/base/running_average.h"
namespace remoting {
class CaptureScheduler {
public:
CaptureScheduler();
~CaptureScheduler();
// Determine the time delay from current time to perform next capture.
base::TimeDelta NextCaptureDelay();
// Record time spent on capturing and encoding.
void RecordCaptureTime(base::TimeDelta capture_time);
void RecordEncodeTime(base::TimeDelta encode_time);
private:
int num_of_processors_;
RunningAverage capture_time_;
RunningAverage encode_time_;
DISALLOW_COPY_AND_ASSIGN(CaptureScheduler);
};
} // namespace remoting
#endif // REMOTING_HOST_CAPTURE_SCHEDULER_H_
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