92 lines
2.7 KiB
C++
92 lines
2.7 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 VIDEORENDERFRAMECACHE_H
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#define VIDEORENDERFRAMECACHE_H
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#include <QMutex>
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#include <QUuid>
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#include "common/rational.h"
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#include "common/timecodefunctions.h"
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#include "common/timerange.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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class FrameHashCache : public PlaybackCache
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{
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Q_OBJECT
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public:
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FrameHashCache(QObject* parent = nullptr);
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const QUuid &GetUuid() const { return uuid_; }
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void SetUuid(const QUuid &u) { uuid_ = u; }
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const rational &GetTimebase() const { return timebase_; }
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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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/**
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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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{
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return CachePathName(ToTimestamp(time, Timecode::kFloor));
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}
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static QString CachePathName(const QString& cache_path, const QUuid &cache_id, const int64_t &time);
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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, const int64_t &time, FramePtr frame);
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static FramePtr LoadCacheFrame(const QString& cache_path, const QUuid &uuid, 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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private:
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rational ToTime(const int64_t &ts) const;
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int64_t ToTimestamp(const rational &ts, Timecode::Rounding rounding = Timecode::kRound) const;
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rational timebase_;
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QUuid uuid_;
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static QMutex currently_saving_frames_mutex_;
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static QMap<QString, FramePtr> currently_saving_frames_;
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static const QString kCacheFormatExtension;
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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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}
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#endif // VIDEORENDERFRAMECACHE_H
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