xingheader.h
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00001 /***************************************************************************
00002     copyright            : (C) 2003 by Ismael Orenstein
00003     email                : orenstein@kde.org
00004  ***************************************************************************/
00005 
00006 /***************************************************************************
00007  *   This library is free software; you can redistribute it and/or modify  *
00008  *   it under the terms of the GNU Lesser General Public License version   *
00009  *   2.1 as published by the Free Software Foundation.                     *
00010  *                                                                         *
00011  *   This library is distributed in the hope that it will be useful, but   *
00012  *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00014  *   Lesser General Public License for more details.                       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with this library; if not, write to the Free Software   *
00018  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA         *
00019  *   02110-1301  USA                                                       *
00020  *                                                                         *
00021  *   Alternatively, this file is available under the Mozilla Public        *
00022  *   License Version 1.1.  You may obtain a copy of the License at         *
00023  *   http://www.mozilla.org/MPL/                                           *
00024  ***************************************************************************/
00025 
00026 #ifndef TAGLIB_XINGHEADER_H
00027 #define TAGLIB_XINGHEADER_H
00028 
00029 #include "mpegheader.h"
00030 #include "taglib_export.h"
00031 
00032 namespace TagLib {
00033 
00034   class ByteVector;
00035 
00036   namespace MPEG {
00037 
00038     class File;
00039 
00041 
00052     class TAGLIB_EXPORT XingHeader
00053     {
00054     public:
00058       enum HeaderType
00059       {
00063         Invalid = 0,
00064 
00068         Xing = 1,
00069 
00073         VBRI = 2,
00074       };
00075 
00080       XingHeader(const ByteVector &data);
00081 
00085       virtual ~XingHeader();
00086 
00091       bool isValid() const;
00092 
00096       unsigned int totalFrames() const;
00097 
00101       unsigned int totalSize() const;
00102 
00106       HeaderType type() const;
00107 
00114       static int xingHeaderOffset(TagLib::MPEG::Header::Version v,
00115                                   TagLib::MPEG::Header::ChannelMode c);
00116 
00117     private:
00118       XingHeader(const XingHeader &);
00119       XingHeader &operator=(const XingHeader &);
00120 
00121       void parse(const ByteVector &data);
00122 
00123       class XingHeaderPrivate;
00124       XingHeaderPrivate *d;
00125     };
00126   }
00127 }
00128 
00129 #endif