/usr/include/k3bthroughputestimator.h is in libk3b-dev 2.0.2-7ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /*
*
* Copyright (C) 2003-2009 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2009 Sebastian Trueg <trueg@k3b.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#ifndef _K3B_THROUGHPUT_ESTIMATOR_H_
#define _K3B_THROUGHPUT_ESTIMATOR_H_
#include <qobject.h>
namespace K3b {
/**
* Little helper class that allows an estimation of the current writing
* speed. Just init with @p reset() then always call @p dataWritten with
* the already written data in KB. The class will emit throughput signals
* whenever the throughput changes.
*/
class ThroughputEstimator : public QObject
{
Q_OBJECT
public:
ThroughputEstimator( QObject* parent = 0 );
~ThroughputEstimator();
int average() const;
Q_SIGNALS:
/**
* kb/s if differs from previous
*/
void throughput( int );
public Q_SLOTS:
void reset();
/**
* @param data written kb
*/
void dataWritten( unsigned long data );
private:
class Private;
Private* d;
};
}
#endif
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