Files
oak-editor/app/render/framehashcache.h
T

109 lines
3.0 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2022 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef VIDEORENDERFRAMECACHE_H
#define VIDEORENDERFRAMECACHE_H
#include "codec/frame.h"
#include "render/playbackcache.h"
#include "render/videoparams.h"
namespace olive
{
class FrameHashCache : public PlaybackCache {
Q_OBJECT
public:
FrameHashCache(QObject *parent = nullptr);
const rational &GetTimebase() const
{
return timebase_;
}
void SetTimebase(const rational &tb);
void ValidateTimestamp(const int64_t &ts);
void ValidateTime(const rational &time);
bool IsFrameCached(const rational &time) const
{
return GetValidatedRanges().contains(time);
}
QString GetValidCacheFilename(const rational &time) const;
static bool SaveCacheFrame(const QString &filename, FramePtr frame);
bool SaveCacheFrame(const int64_t &time, FramePtr frame) const;
static bool SaveCacheFrame(const QString &cache_path, const QUuid &uuid,
const int64_t &time, FramePtr frame);
static bool SaveCacheFrame(const QString &cache_path, const QUuid &uuid,
const rational &time, const rational &tb,
FramePtr frame);
static FramePtr LoadCacheFrame(const QString &cache_path, const QUuid &uuid,
const int64_t &time);
FramePtr LoadCacheFrame(const int64_t &time) const;
static FramePtr LoadCacheFrame(const QString &fn);
virtual void SetPassthrough(PlaybackCache *cache) override;
protected:
virtual void LoadStateEvent(QDataStream &stream) override;
virtual void SaveStateEvent(QDataStream &stream) override;
private:
rational ToTime(const int64_t &ts) const;
int64_t ToTimestamp(const rational &ts,
Timecode::Rounding rounding = Timecode::kRound) const;
/**
* @brief Return the path of the cached image at this time
*/
QString CachePathName(const int64_t &time) const;
QString CachePathName(const rational &time) const;
static QString CachePathName(const QString &cache_path,
const QUuid &cache_id, const int64_t &time);
static QString CachePathName(const QString &cache_path,
const QUuid &cache_id, const rational &time,
const rational &tb);
rational timebase_;
private slots:
void HashDeleted(const QString &path, const QString &filename);
void ProjectInvalidated(Project *p);
};
class ThumbnailCache : public FrameHashCache {
Q_OBJECT
public:
ThumbnailCache(QObject *parent = nullptr)
: FrameHashCache(parent)
{
SetTimebase(rational(1, 10));
}
};
}
#endif // VIDEORENDERFRAMECACHE_H