93 lines
1.9 KiB
C++
93 lines
1.9 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef FRAMEMANAGER_H
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#define FRAMEMANAGER_H
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#include <QMutex>
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#include <QObject>
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#include <QTimer>
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namespace olive {
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class FrameManager : public QObject
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{
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Q_OBJECT
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public:
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static void CreateInstance();
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static void DestroyInstance();
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static FrameManager* instance();
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static char* Allocate(int size);
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static void Deallocate(int size, char* buffer);
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private:
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FrameManager();
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virtual ~FrameManager() override;
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/**
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* @brief Allocate buffer
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*
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* Caller takes ownership of buffer and can delete it if they want. It can also be returned to
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* the manager with Deallocate and potentially be re-used later.
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*
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* Thread-safe.
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*/
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char* AllocateFromPool(int size);
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/**
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* @brief Deallocate buffer
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*
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* Manager will take ownership and buffer will stay allocated for some time in case it can be
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* re-used.
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*
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* Thread-safe.
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*/
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void DeallocateToPool(int size, char* buffer);
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static FrameManager* instance_;
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static const int kFrameLifetime;
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struct Buffer
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{
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qint64 time;
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char* data;
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};
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std::map< int, std::list<Buffer> > pool_;
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QMutex mutex_;
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QTimer clear_timer_;
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private slots:
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void GarbageCollection();
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};
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}
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#endif // FRAMEMANAGER_H
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