annotate base/HitCount.h @ 1520:954d0cf29ca7 import-audio-data

Switch the normalisation option in WritableWaveFileModel from normalising on read to normalising on write, so that the saved file is already normalised and therefore can be read again without having to remember to normalise it

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    
    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 included with this distribution for more information.
*/

#ifndef HIT_COUNT_H
#define HIT_COUNT_H

#include <string>
#include <iostream>

/**
 * Profile class for counting cache hits and the like.
 */
class HitCount
{
public:
    HitCount(std::string name) :
        m_name(name),
        m_hit(0),
        m_partial(0),
        m_miss(0)
    { }
    
    ~HitCount() {
#ifndef NO_HIT_COUNTS
        using namespace std;
        int total = m_hit + m_partial + m_miss;
        cerr << "Hit count: " << m_name << ": ";
        if (m_partial > 0) {
            cerr << m_hit << " hits, " << m_partial << " partial, "
                 << m_miss << " misses";
        } else {
            cerr << m_hit << " hits, " << m_miss << " misses";
        }
        if (total > 0) {
            if (m_partial > 0) {
                cerr << " (" << ((m_hit * 100.0) / total) << "%, "
                     << ((m_partial * 100.0) / total) << "%, "
                     << ((m_miss * 100.0) / total) << "%)";
            } else {
                cerr << " (" << ((m_hit * 100.0) / total) << "%, "
                     << ((m_miss * 100.0) / total) << "%)";
            }
        }
        cerr << endl;
#endif
    }

    void hit() { ++m_hit; }
    void partial() { ++m_partial; }
    void miss() { ++m_miss; }

private:
    std::string m_name;
    int m_hit;
    int m_partial;
    int m_miss;
};

#endif