    //=============================================================================
    //  Zerberus
    //  Zample player
    //
    //  Copyright (C) 2013 Werner Schweer
    //
    //  This program is free software; you can redistribute it and/or modify
    //  it under the terms of the GNU General Public License version 2
    //  as published by the Free Software Foundation and appearing in
    //  the file LICENCE.GPL
    //=============================================================================

    #ifndef __SAMPLE_H__
    #define __SAMPLE_H__

    //---------------------------------------------------------
    //   Sample
    //---------------------------------------------------------

    class Sample {
          int _channel;
          short* _data;
          int _frames;
          int _sampleRate;
          int _loopStart;
          int _loopEnd;
          int _loopMode;

       public:
          Sample(int ch, short* val, int f, int sr)
             : _channel(ch), _data(val), _frames(f), _sampleRate(sr) {}
          ~Sample();
          bool read(const QString&);
          int frames() const     { return _frames;          }
          short* data() const    { return _data + _channel; }
          int channel() const    { return _channel;         }
          int sampleRate() const { return _sampleRate;      }

          void setLoopStart (int v) { _loopStart = v; }
          void setLoopEnd (int v)   { _loopEnd = v; }
          void setLoopMode (int v)  { _loopMode = v; }
          int loopStart()           { return _loopStart; }
          int loopEnd()             { return _loopEnd; }
          int loopMode()            { return _loopMode; }
          };

    #endif

↑ V730 Not all members of a class are initialized inside the constructor. Consider inspecting: _loopStart, _loopEnd, _loopMode.