mp4tag.h

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00001 /**************************************************************************
00002     copyright            : (C) 2007,2011 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_MP4TAG_H
00027 #define TAGLIB_MP4TAG_H
00028 
00029 #include "tag.h"
00030 #include "tbytevectorlist.h"
00031 #include "tfile.h"
00032 #include "tmap.h"
00033 #include "tstringlist.h"
00034 #include "taglib_export.h"
00035 #include "mp4atom.h"
00036 #include "mp4item.h"
00037 
00038 namespace TagLib {
00039 
00040   namespace MP4 {
00041 
00045     typedef TagLib::Map<String, Item> ItemListMap;
00046     typedef TagLib::Map<String, Item> ItemMap;
00047 
00048     class TAGLIB_EXPORT Tag: public TagLib::Tag
00049     {
00050     public:
00051         Tag();
00052         Tag(TagLib::File *file, Atoms *atoms);
00053         virtual ~Tag();
00054         bool save();
00055 
00056         virtual String title() const;
00057         virtual String artist() const;
00058         virtual String album() const;
00059         virtual String comment() const;
00060         virtual String genre() const;
00061         virtual unsigned int year() const;
00062         virtual unsigned int track() const;
00063 
00064         virtual void setTitle(const String &value);
00065         virtual void setArtist(const String &value);
00066         virtual void setAlbum(const String &value);
00067         virtual void setComment(const String &value);
00068         virtual void setGenre(const String &value);
00069         virtual void setYear(unsigned int value);
00070         virtual void setTrack(unsigned int value);
00071 
00072         virtual bool isEmpty() const;
00073 
00077         ItemMap &itemListMap();
00078 
00082         const ItemMap &itemMap() const;
00083 
00087         Item item(const String &key) const;
00088 
00092         void setItem(const String &key, const Item &value);
00093 
00098         void removeItem(const String &key);
00099 
00103         bool contains(const String &key) const;
00104 
00105         PropertyMap properties() const;
00106         void removeUnsupportedProperties(const StringList& properties);
00107         PropertyMap setProperties(const PropertyMap &properties);
00108 
00109     private:
00110         AtomDataList parseData2(const Atom *atom, int expectedFlags = -1,
00111                                 bool freeForm = false);
00112         ByteVectorList parseData(const Atom *atom, int expectedFlags = -1,
00113                                  bool freeForm = false);
00114         void parseText(const Atom *atom, int expectedFlags = 1);
00115         void parseFreeForm(const Atom *atom);
00116         void parseInt(const Atom *atom);
00117         void parseByte(const Atom *atom);
00118         void parseUInt(const Atom *atom);
00119         void parseLongLong(const Atom *atom);
00120         void parseGnre(const Atom *atom);
00121         void parseIntPair(const Atom *atom);
00122         void parseBool(const Atom *atom);
00123         void parseCovr(const Atom *atom);
00124 
00125         ByteVector padIlst(const ByteVector &data, int length = -1) const;
00126         ByteVector renderAtom(const ByteVector &name, const ByteVector &data) const;
00127         ByteVector renderData(const ByteVector &name, int flags,
00128                               const ByteVectorList &data) const;
00129         ByteVector renderText(const ByteVector &name, const Item &item,
00130                               int flags = TypeUTF8) const;
00131         ByteVector renderFreeForm(const String &name, const Item &item) const;
00132         ByteVector renderBool(const ByteVector &name, const Item &item) const;
00133         ByteVector renderInt(const ByteVector &name, const Item &item) const;
00134         ByteVector renderByte(const ByteVector &name, const Item &item) const;
00135         ByteVector renderUInt(const ByteVector &name, const Item &item) const;
00136         ByteVector renderLongLong(const ByteVector &name, const Item &item) const;
00137         ByteVector renderIntPair(const ByteVector &name, const Item &item) const;
00138         ByteVector renderIntPairNoTrailing(const ByteVector &name, const Item &item) const;
00139         ByteVector renderCovr(const ByteVector &name, const Item &item) const;
00140 
00141         void updateParents(const AtomList &path, long delta, int ignore = 0);
00142         void updateOffsets(long delta, long offset);
00143 
00144         void saveNew(ByteVector data);
00145         void saveExisting(ByteVector data, const AtomList &path);
00146 
00147         void addItem(const String &name, const Item &value);
00148 
00149         class TagPrivate;
00150         TagPrivate *d;
00151     };
00152 
00153   }
00154 
00155 }
00156 
00157 #endif