Files
oak-editor/app/render/diskmanager.h
T
itsmattkc 1aa87cbda6 various: encapsulate all code in the olive namespace to avoid name collisions
Large-scale code cleanup. Also adds a license to the top of all files that were
missing it.
2020-04-06 15:29:53 +10:00

83 lines
1.7 KiB
C++

/***
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