77 lines
1.6 KiB
C++
77 lines
1.6 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 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 FFMPEGFRAMECACHE_H
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#define FFMPEGFRAMECACHE_H
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#include <QLinkedList>
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#include <QMutex>
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#include "avframeptr.h"
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#include "render/videoparams.h"
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OLIVE_NAMESPACE_ENTER
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class FFmpegFrameCache
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{
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public:
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FFmpegFrameCache() = default;
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static AVFramePtr Get(int width, int height, int format);
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static void Release(AVFramePtr f);
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class Client
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{
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public:
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Client() = default;
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AVFramePtr append(int width, int height, int format);
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AVFramePtr append(AVFrame *copy);
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void clear();
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bool isEmpty() const;
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AVFramePtr first() const;
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AVFramePtr at(int i) const;
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AVFramePtr last() const;
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int size() const;
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void accessedFirst();
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void accessedLast();
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void accessed(int i);
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void remove_old_frames(qint64 older_than);
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private:
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QList<AVFramePtr> frames_;
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};
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private:
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static QMutex pool_lock_;
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static QLinkedList<AVFramePtr> frame_pool_;
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};
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OLIVE_NAMESPACE_EXIT
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#endif // FFMPEGFRAMECACHE_H
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