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
|
/***************************************************************************
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
* 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/ *
***************************************************************************/
#include <bitset>
#include <tstring.h>
#include <tdebug.h>
#include "vorbisfile.h"
using namespace TagLib;
class Vorbis::File::FilePrivate
{
public:
FilePrivate() :
comment(0),
properties(0) {}
~FilePrivate()
{
delete comment;
delete properties;
}
Ogg::XiphComment *comment;
Properties *properties;
};
namespace TagLib {
/*!
* Vorbis headers can be found with one type ID byte and the string "vorbis" in
* an Ogg stream. 0x03 indicates the comment header.
*/
static const char vorbisCommentHeaderID[] = { 0x03, 'v', 'o', 'r', 'b', 'i', 's', 0 };
}
////////////////////////////////////////////////////////////////////////////////
// public members
////////////////////////////////////////////////////////////////////////////////
Vorbis::File::File(FileName file, bool readProperties,
Properties::ReadStyle propertiesStyle) : Ogg::File(file)
{
d = new FilePrivate;
read(readProperties, propertiesStyle);
}
Vorbis::File::~File()
{
delete d;
}
Ogg::XiphComment *Vorbis::File::tag() const
{
return d->comment;
}
Vorbis::Properties *Vorbis::File::audioProperties() const
{
return d->properties;
}
bool Vorbis::File::save()
{
ByteVector v(vorbisCommentHeaderID);
if(!d->comment)
d->comment = new Ogg::XiphComment;
v.append(d->comment->render());
setPacket(1, v);
return Ogg::File::save();
}
////////////////////////////////////////////////////////////////////////////////
// private members
////////////////////////////////////////////////////////////////////////////////
void Vorbis::File::read(bool readProperties, Properties::ReadStyle propertiesStyle)
{
ByteVector commentHeaderData = packet(1);
if(commentHeaderData.mid(0, 7) != vorbisCommentHeaderID) {
debug("Vorbis::File::read() - Could not find the Vorbis comment header.");
setValid(false);
return;
}
d->comment = new Ogg::XiphComment(commentHeaderData.mid(7));
if(readProperties)
d->properties = new Properties(this, propertiesStyle);
}
|