summaryrefslogtreecommitdiffstats
path: root/src/metadata/wavpack/wvfile.h
blob: 6c57f6d7efe1db37711c4bf770be3c856f99b7e3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
/***************************************************************************
    copyright            : (C) 2006 by Lukáš Lalinský
    email                : [email protected]
    
    copyright            : (C) 2004 by Allan Sandfeld Jensen 
    email                : [email protected] 
                           (original MPC implementation)
 ***************************************************************************/

/***************************************************************************
 *   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                                                   *
 ***************************************************************************/

#ifndef TAGLIB_WVFILE_H
#define TAGLIB_WVFILE_H

#include "tfile.h"

#include "wvproperties.h"

namespace TagLib {

  class Tag;

  namespace ID3v1 { class Tag; }
  namespace APE { class Tag; }

  //! An implementation of WavPack metadata

  /*!
   * This is implementation of WavPack metadata.
   *
   * This supports ID3v1 and APE (v1 and v2) style comments as well as reading stream
   * properties from the file. 
   */

  namespace WavPack {

    //! An implementation of TagLib::File with WavPack specific methods

    /*!
     * This implements and provides an interface for WavPack files to the
     * TagLib::Tag and TagLib::AudioProperties interfaces by way of implementing
     * the abstract TagLib::File API as well as providing some additional
     * information specific to WavPack files.
     */

    class File : public TagLib::File
    {
    public:
      /*!
       * This set of flags is used for various operations and is suitable for
       * being OR-ed together.
       */
      enum TagTypes {
        //! Empty set.  Matches no tag types.
        NoTags  = 0x0000,
        //! Matches ID3v1 tags.
        ID3v1   = 0x0001,
        //! Matches APE tags.
        APE     = 0x0002,
        //! Matches all tag types.
        AllTags = 0xffff
      }; 
      
      /*!
       * Contructs an WavPack file from \a file.  If \a readProperties is true the
       * file's audio properties will also be read using \a propertiesStyle.  If
       * false, \a propertiesStyle is ignored.
       */
      File(const char *file, bool readProperties = true,
           Properties::ReadStyle propertiesStyle = Properties::Average);

      /*!
       * Destroys this instance of the File.
       */
      virtual ~File();

      /*!
       * Returns the Tag for this file.  This will be an APE tag, an ID3v1 tag
       * or a combination of the two.
       */ 
      virtual TagLib::Tag *tag() const;

      /*!
       * Returns the MPC::Properties for this file.  If no audio properties
       * were read then this will return a null pointer.
       */
      virtual Properties *audioProperties() const;

      /*!
       * Saves the file.
       */
      virtual bool save();

      /*!
       * Returns a pointer to the ID3v1 tag of the file.
       *
       * If \a create is false (the default) this will return a null pointer
       * if there is no valid ID3v1 tag.  If \a create is true it will create
       * an ID3v1 tag if one does not exist. If there is already an APE tag, the
       * new ID3v1 tag will be placed after it.
       *
       * \note The Tag <b>is still</b> owned by the APE::File and should not be
       * deleted by the user.  It will be deleted when the file (object) is
       * destroyed.
       */
      ID3v1::Tag *ID3v1Tag(bool create = false); 

      /*!
       * Returns a pointer to the APE tag of the file.
       *
       * If \a create is false (the default) this will return a null pointer
       * if there is no valid APE tag.  If \a create is true it will create
       * a APE tag if one does not exist. 
       *
       * \note The Tag <b>is still</b> owned by the APE::File and should not be
       * deleted by the user.  It will be deleted when the file (object) is
       * destroyed.
       */
      APE::Tag *APETag(bool create = false);

      /*!
       * This will remove the tags that match the OR-ed together TagTypes from the
       * file.  By default it removes all tags.
       *
       * \note This will also invalidate pointers to the tags
       * as their memory will be freed.
       * \note In order to make the removal permanent save() still needs to be called
       */
      void remove(int tags = AllTags); 
      
    private:
      File(const File &);
      File &operator=(const File &);

      void read(bool readProperties, Properties::ReadStyle propertiesStyle);
      void scan();
      long findID3v1(); 
      long findAPE();

      class FilePrivate;
      FilePrivate *d;
    };
  }
}

#endif