text: // 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_
  