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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qmediastoragelocation_p.h"
#include <QStandardPaths>
QT_BEGIN_NAMESPACE
QMediaStorageLocation::QMediaStorageLocation()
{
}
void QMediaStorageLocation::addStorageLocation(MediaType type, const QString &location)
{
m_customLocations[type].append(location);
}
QDir QMediaStorageLocation::defaultLocation(MediaType type) const
{
QStringList dirCandidates;
dirCandidates << m_customLocations.value(type);
switch (type) {
case Movies:
dirCandidates << QStandardPaths::writableLocation(QStandardPaths::MoviesLocation);
break;
case Music:
dirCandidates << QStandardPaths::writableLocation(QStandardPaths::MusicLocation);
break;
case Pictures:
dirCandidates << QStandardPaths::writableLocation(QStandardPaths::PicturesLocation);
default:
break;
}
dirCandidates << QDir::homePath();
dirCandidates << QDir::currentPath();
dirCandidates << QDir::tempPath();
for (const QString &path : qAsConst(dirCandidates)) {
if (QFileInfo(path).isWritable())
return QDir(path);
}
return QDir();
}
QString QMediaStorageLocation::generateFileName(const QString &requestedName,
MediaType type,
const QString &prefix,
const QString &extension) const
{
if (requestedName.isEmpty())
return generateFileName(prefix, defaultLocation(type), extension);
QString path = requestedName;
if (QFileInfo(path).isRelative())
path = defaultLocation(type).absoluteFilePath(path);
if (QFileInfo(path).isDir())
return generateFileName(prefix, QDir(path), extension);
if (!path.endsWith(extension))
path.append(QString(QLatin1String(".%1")).arg(extension));
return path;
}
QString QMediaStorageLocation::generateFileName(const QString &prefix,
const QDir &dir,
const QString &extension) const
{
QMutexLocker lock(&m_mutex);
const QString lastMediaKey = dir.absolutePath() + QLatin1Char(' ') + prefix + QLatin1Char(' ') + extension;
qint64 lastMediaIndex = m_lastUsedIndex.value(lastMediaKey, 0);
if (lastMediaIndex == 0) {
// first run, find the maximum media number during the fist capture
const auto list = dir.entryList(QStringList() << QString(QLatin1String("%1*.%2")).arg(prefix).arg(extension));
for (const QString &fileName : list) {
const qint64 mediaIndex = fileName.midRef(prefix.length(), fileName.size() - prefix.length() - extension.length() - 1).toInt();
lastMediaIndex = qMax(lastMediaIndex, mediaIndex);
}
}
// don't just rely on cached lastMediaIndex value,
// someone else may create a file after camera started
while (true) {
const QString name = QString(QLatin1String("%1%2.%3")).arg(prefix)
.arg(lastMediaIndex + 1, 8, 10, QLatin1Char('0'))
.arg(extension);
const QString path = dir.absoluteFilePath(name);
if (!QFileInfo::exists(path)) {
m_lastUsedIndex[lastMediaKey] = lastMediaIndex + 1;
return path;
}
lastMediaIndex++;
}
return QString();
}
QT_END_NAMESPACE
|
