audioproperties.h

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/***************************************************************************
    copyright            : (C) 2002 - 2008 by Scott Wheeler
    email                : wheeler@kde.org
 ***************************************************************************/
 
/***************************************************************************
 *   This library is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Lesser General Public License version   *
 *   2.1 as published by the Free Software Foundation.                     *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful, but   *
 *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the Free Software   *
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA         *
 *   02110-1301  USA                                                       *
 *                                                                         *
 *   Alternatively, this file is available under the Mozilla Public        *
 *   License Version 1.1.  You may obtain a copy of the License at         *
 *   http://www.mozilla.org/MPL/                                           *
 ***************************************************************************/
 
#ifndef TAGLIB_AUDIOPROPERTIES_H
#define TAGLIB_AUDIOPROPERTIES_H
 
#include <memory>
 
#include "taglib.h"
#include "taglib_export.h"
 
namespace TagLib {
 
 
  class TAGLIB_EXPORT AudioProperties
  {
  public:
 
    enum ReadStyle {
      Fast,
      Average,
      Accurate
    };
 
    virtual ~AudioProperties();
 
    AudioProperties(const AudioProperties &) = delete;
    AudioProperties &operator=(const AudioProperties &) = delete;
 
    TAGLIB_DEPRECATED
    virtual int length() const;
 
    virtual int lengthInSeconds() const;
 
    virtual int lengthInMilliseconds() const;
 
    virtual int bitrate() const;
 
    virtual int sampleRate() const;
 
    virtual int channels() const = 0;
 
  protected:
 
    AudioProperties(ReadStyle style);
 
  private:
    class AudioPropertiesPrivate;
    TAGLIB_MSVC_SUPPRESS_WARNING_NEEDS_TO_HAVE_DLL_INTERFACE
    std::unique_ptr<AudioPropertiesPrivate> d;
  };
 
}  // namespace TagLib
 
#endif