Android Open Source - Media-Pack F P S Counter

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License

The source code is released under:

Apache License

Java Source Code

//
//               INTEL CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in accordance with the terms of that agreement.
//        Copyright (c) 2013-2014 Intel Corporation. All Rights Reserved.
////from   w  ww.j  a v a  2s .  c  o m

package com.intel.inde.mp.samples;

public class FPSCounter
{
  private long mTimeNow;
  private long mTimePrev;
  private long mTimeElapsed;
  
  private int mFrames;
  
  private int mFPS;

    private int mEveryXFrames;
  
  public FPSCounter(int xFrames)
  {
    mFrames = 0;
        mEveryXFrames = xFrames;
  }
  
  public boolean update()
  {    
    mFrames = (mFrames + 1) % mEveryXFrames;
    
    if(mFrames == 0)
    {
      mTimeNow = System.currentTimeMillis();
      mTimeElapsed = (mTimeNow - mTimePrev) / mEveryXFrames;
      mTimePrev = mTimeNow;

      mFPS = (int)(1000.0f / (float)mTimeElapsed);

            return true;
    }
    
    return false;
  }

    public int fps()
    {
        return mFPS;
    }
}

Java Source Code List

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