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
|
/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef DISKMANAGER_H
#define DISKMANAGER_H
#include <QMutex>
#include <QObject>
#include "common/define.h"
OLIVE_NAMESPACE_ENTER
class DiskManager : public QObject
{
Q_OBJECT
public:
static void CreateInstance();
static void DestroyInstance();
static DiskManager* instance();
void Accessed(const QByteArray& hash);
void Accessed(const QString& filename);
void CreatedFile(const QString& file_name, const QByteArray& hash);
bool ClearDiskCache(bool quick_delete);
signals:
void DeletedFrame(const QByteArray& hash);
private:
DiskManager();
virtual ~DiskManager() override;
static DiskManager* instance_;
QByteArray DeleteLeastRecent();
qint64 DiskLimit();
static QString GetCacheIndexFilename();
struct HashTime {
QString file_name;
QByteArray hash;
qint64 access_time;
qint64 file_size;
};
QList<HashTime> disk_data_;
qint64 consumption_;
QMutex lock_;
};
OLIVE_NAMESPACE_EXIT
#endif // DISKMANAGER_H
|
