114 lines
2.2 KiB
C++
114 lines
2.2 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 PLAYBACKCACHE_H
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#define PLAYBACKCACHE_H
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#include <QMutex>
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#include <QObject>
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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 Project;
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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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QObject(parent),
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length_(0)
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{
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}
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const rational& GetLength()
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{
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return length_;
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}
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bool IsFullyValidated()
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{
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return invalidated_.isEmpty();
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}
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const TimeRangeList& GetInvalidatedRanges()
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{
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return invalidated_;
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}
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bool HasInvalidatedRanges()
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{
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return !invalidated_.isEmpty();
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}
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QString GetCacheDirectory() const;
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public slots:
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void Invalidate(const TimeRange& r);
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void InvalidateAll();
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void SetLength(const rational& r);
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void Shift(rational from, rational to);
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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 Shifted(const olive::rational& from, const olive::rational& to);
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void LengthChanged(const olive::rational& r);
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protected:
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void Validate(const TimeRange& r);
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virtual void LengthChangedEvent(const rational& old, const rational& newlen);
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virtual void InvalidateEvent(const TimeRange& range);
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virtual void ShiftEvent(const rational& from, const rational& to);
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Project* GetProject() const;
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struct JobIdentifier {
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TimeRange range;
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JobTime job_time;
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};
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QList<JobIdentifier> jobs_;
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private:
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void RemoveRangeFromJobs(const TimeRange& remove);
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TimeRangeList invalidated_;
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rational length_;
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};
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}
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#endif // PLAYBACKCACHE_H
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