mp4properties.h
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00001 /**************************************************************************
00002     copyright            : (C) 2007 by Lukáš Lalinský
00003     email                : lalinsky@gmail.com
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_MP4PROPERTIES_H
00027 #define TAGLIB_MP4PROPERTIES_H
00028 
00029 #include "taglib_export.h"
00030 #include "audioproperties.h"
00031 
00032 namespace TagLib {
00033 
00034   namespace MP4 {
00035 
00036     class Atoms;
00037     class File;
00038 
00040     class TAGLIB_EXPORT Properties : public AudioProperties
00041     {
00042     public:
00043       enum Codec {
00044         Unknown = 0,
00045         AAC,
00046         ALAC
00047       };
00048 
00049       Properties(File *file, Atoms *atoms, ReadStyle style = Average);
00050       virtual ~Properties();
00051 
00060       virtual int length() const;
00061 
00068       // BIC: make virtual
00069       int lengthInSeconds() const;
00070 
00076       // BIC: make virtual
00077       int lengthInMilliseconds() const;
00078 
00082       virtual int bitrate() const;
00083 
00087       virtual int sampleRate() const;
00088 
00092       virtual int channels() const;
00093 
00097       virtual int bitsPerSample() const;
00098 
00102       bool isEncrypted() const;
00103 
00107       Codec codec() const;
00108 
00109     private:
00110       void read(File *file, Atoms *atoms);
00111 
00112       class PropertiesPrivate;
00113       PropertiesPrivate *d;
00114     };
00115 
00116   }
00117 
00118 }
00119 
00120 #endif