140 lines
3.1 KiB
C++
140 lines
3.1 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 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 PLAYBACKCACHE_H
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#define PLAYBACKCACHE_H
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#include <QDir>
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#include <QMutex>
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#include <QObject>
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#include <QPainter>
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#include <QUuid>
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#include "common/jobtime.h"
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#include "common/timerange.h"
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namespace olive {
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class Node;
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class Project;
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class ViewerOutput;
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class PlaybackCache : public QObject
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{
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Q_OBJECT
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public:
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PlaybackCache(QObject* parent = nullptr);
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const QUuid &GetUuid() const { return uuid_; }
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void SetUuid(const QUuid &u);
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TimeRangeList GetInvalidatedRanges(TimeRange intersecting) const;
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TimeRangeList GetInvalidatedRanges(const rational &length) const
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{
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return GetInvalidatedRanges(TimeRange(0, length));
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}
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bool HasInvalidatedRanges(const TimeRange &intersecting) const;
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bool HasInvalidatedRanges(const rational &length) const
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{
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return HasInvalidatedRanges(TimeRange(0, length));
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}
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QString GetCacheDirectory() const;
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void Invalidate(const TimeRange& r);
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bool HasValidatedRanges() const { return !validated_.isEmpty(); }
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const TimeRangeList &GetValidatedRanges() const { return validated_; }
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Node *parent() const;
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QDir GetThisCacheDirectory() const;
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static QDir GetThisCacheDirectory(const QString &cache_path, const QUuid &cache_id);
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void LoadState();
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void SaveState();
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void Draw(QPainter *painter, const rational &start, double scale, const QRect &rect) const;
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static int GetCacheIndicatorHeight()
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{
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return QFontMetrics(QFont()).height()/4;
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}
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bool IsSavingEnabled() const { return saving_enabled_; }
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void SetSavingEnabled(bool e) { saving_enabled_ = e; }
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virtual void SetPassthrough(PlaybackCache *cache);
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QMutex *mutex() { return &mutex_; }
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class Passthrough : public TimeRange
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{
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public:
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Passthrough(const TimeRange &r) :
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TimeRange(r)
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{}
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QUuid cache;
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};
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const QVector<Passthrough> &GetPassthroughs() const { return passthroughs_; }
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public slots:
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void InvalidateAll();
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signals:
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void Invalidated(const olive::TimeRange& r);
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void Validated(const olive::TimeRange& r);
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void Request(const olive::TimeRange& r);
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void CancelAll();
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protected:
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void Validate(const TimeRange& r, bool signal = true);
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virtual void InvalidateEvent(const TimeRange& range);
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virtual void LoadStateEvent(QDataStream &stream){}
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virtual void SaveStateEvent(QDataStream &stream){}
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Project* GetProject() const;
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private:
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TimeRangeList validated_;
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QUuid uuid_;
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bool saving_enabled_;
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QMutex mutex_;
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QVector<Passthrough> passthroughs_;
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};
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}
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#endif // PLAYBACKCACHE_H
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