57 lines
923 B
C++
57 lines
923 B
C++
#ifndef FFMPEGFRAMECACHE_H
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#define FFMPEGFRAMECACHE_H
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#include <QList>
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#include <QMutex>
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#include "codec/frame.h"
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#include "render/videoparams.h"
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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 Frame* Get(const VideoRenderingParams& params);
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static void Release(Frame* 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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Frame* append(const VideoRenderingParams ¶ms);
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void clear();
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bool isEmpty() const;
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Frame* first() const;
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Frame* at(int i) const;
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Frame* 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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struct CachedFrame {
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Frame* frame;
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qint64 accessed;
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};
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QList<CachedFrame> frames_;
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};
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private:
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static QMutex pool_lock_;
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static QList<Frame*> frame_pool_;
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};
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#endif // FFMPEGFRAMECACHE_H
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