107 lines
3.1 KiB
C++
107 lines
3.1 KiB
C++
/*
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* Olive Community Edition - Non-Linear Video Editor
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* Copyright (C) 2025 Olive CE Team
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*
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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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*
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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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*
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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 VIDEORENDERFRAMECACHE_H
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#define VIDEORENDERFRAMECACHE_H
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#include "codec/frame.h"
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#include "render/playbackcache.h"
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#include "render/videoparams.h"
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namespace olive
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{
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class FrameHashCache : public PlaybackCache {
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Q_OBJECT
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public:
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FrameHashCache(QObject *parent = nullptr);
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const rational &GetTimebase() const
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{
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return timebase_;
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}
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void SetTimebase(const rational &tb);
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void ValidateTimestamp(const int64_t &ts);
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void ValidateTime(const rational &time);
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bool IsFrameCached(const rational &time) const
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{
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return GetValidatedRanges().contains(time);
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}
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QString GetValidCacheFilename(const rational &time) const;
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static bool SaveCacheFrame(const QString &filename, FramePtr frame);
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bool SaveCacheFrame(const int64_t &time, FramePtr frame) const;
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static bool SaveCacheFrame(const QString &cache_path, const QUuid &uuid,
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const int64_t &time, FramePtr frame);
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static bool SaveCacheFrame(const QString &cache_path, const QUuid &uuid,
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const rational &time, const rational &tb,
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FramePtr frame);
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static FramePtr LoadCacheFrame(const QString &cache_path, const QUuid &uuid,
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const int64_t &time);
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FramePtr LoadCacheFrame(const int64_t &time) const;
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static FramePtr LoadCacheFrame(const QString &fn);
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virtual void SetPassthrough(PlaybackCache *cache) override;
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protected:
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virtual void LoadStateEvent(QDataStream &stream) override;
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virtual void SaveStateEvent(QDataStream &stream) override;
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private:
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rational ToTime(const int64_t &ts) const;
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int64_t ToTimestamp(const rational &ts,
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Timecode::Rounding rounding = Timecode::kRound) const;
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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 int64_t &time) const;
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QString CachePathName(const rational &time) const;
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static QString CachePathName(const QString &cache_path,
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const QUuid &cache_id, const int64_t &time);
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static QString CachePathName(const QString &cache_path,
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const QUuid &cache_id, const rational &time,
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const rational &tb);
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rational timebase_;
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private slots:
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void HashDeleted(const QString &path, const QString &filename);
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void ProjectInvalidated(Project *p);
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};
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class ThumbnailCache : public FrameHashCache {
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Q_OBJECT
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public:
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ThumbnailCache(QObject *parent = nullptr)
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: FrameHashCache(parent)
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{
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SetTimebase(rational(1, 10));
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}
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};
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}
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#endif // VIDEORENDERFRAMECACHE_H
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