itsmattkc
1101b58ee8
Implementation isn't perfect yet, viewer/renderer doesn't update yet when the preference is changed so a sequence needs to be re-opened for the change to take effect.
61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
#ifndef VIDEORENDERFRAMECACHE_H
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#define VIDEORENDERFRAMECACHE_H
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#include <QMutex>
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#include "common/rational.h"
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#include "render/pixelformat.h"
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class VideoRenderFrameCache
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{
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public:
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VideoRenderFrameCache();
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void Clear();
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/**
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* @brief Return whether a frame with this hash already exists
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*/
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bool HasHash(const QByteArray& hash, const PixelFormat::Format &format);
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/**
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* @brief Return whether a frame is currently being cached
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*/
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bool IsCaching(const QByteArray& hash);
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/**
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* @brief Check if a frame is currently being cached, and if not reserve it
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*/
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bool TryCache(const rational &time, const QByteArray& hash);
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/**
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* @brief Return the path of the cached image at this time
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*/
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QString CachePathName(const QByteArray &hash, const PixelFormat::Format& pix_fmt) const;
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void SetCacheID(const QString& id);
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QByteArray TimeToHash(const rational& time) const;
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void SetHash(const rational& time, const QByteArray& hash);
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void RemoveHash(const rational& time, const QByteArray &hash);
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void Truncate(const rational& time);
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void RemoveHashFromCurrentlyCaching(const QByteArray& hash);
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QList<rational> FramesWithHash(const QByteArray& hash);
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const QMap<rational, QByteArray>& time_hash_map() const;
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private:
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QMap<rational, QByteArray> time_hash_map_;
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QMutex currently_caching_lock_;
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QVector<QByteArray> currently_caching_list_;
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QString cache_id_;
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};
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#endif // VIDEORENDERFRAMECACHE_H
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