87 lines
1.8 KiB
C++
87 lines
1.8 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 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 <QObject>
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#include "common/timerange.h"
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OLIVE_NAMESPACE_ENTER
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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();
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void Invalidate(const TimeRange& r);
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void InvalidateAll();
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const rational& GetLength() const
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{
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return length_;
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}
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void SetLength(const rational& r);
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bool IsFullyValidated() const;
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void Shift(const rational& from, const rational& to);
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const TimeRangeList& GetInvalidatedRanges() const
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{
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return invalidated_;
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}
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bool HasInvalidatedRanges() const
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{
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return !invalidated_.isEmpty();
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}
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signals:
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void Invalidated(const OLIVE_NAMESPACE::TimeRange& r);
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void Validated(const OLIVE_NAMESPACE::TimeRange& r);
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void LengthChanged(const OLIVE_NAMESPACE::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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private:
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TimeRangeList invalidated_;
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rational length_;
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};
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OLIVE_NAMESPACE_EXIT
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#endif // PLAYBACKCACHE_H
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