itsmattkc
bc0f01d9a3
Since the nodes won't be holding any rendering data themselves in this system, we may as well enforce some level of non-write access by setting all the functions to const. They were already const-friendly, they just weren't labelled as such.
94 lines
2.3 KiB
C++
94 lines
2.3 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 VIEWER_H
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#define VIEWER_H
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#include "node/node.h"
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#include "render/videoparams.h"
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#include "render/audioparams.h"
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/**
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* @brief A bridge between a node system and a ViewerPanel
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*
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* Receives update/time change signals from ViewerPanels and responds by sending them a texture of that frame
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*/
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class ViewerOutput : public Node
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{
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Q_OBJECT
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public:
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ViewerOutput();
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virtual Node* copy() const override;
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virtual QString Name() const override;
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virtual QString id() const override;
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virtual QString Category() const override;
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virtual QString Description() const override;
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NodeInput* texture_input();
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NodeInput* samples_input();
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NodeInput* length_input();
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virtual void InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from = nullptr) override;
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const VideoParams& video_params();
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const AudioParams& audio_params();
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void set_video_params(const VideoParams& video);
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void set_audio_params(const AudioParams& audio);
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rational Length();
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protected:
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virtual void DependentEdgeChanged(NodeInput* from) override;
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signals:
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void TimebaseChanged(const rational&);
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void VideoChangedBetween(const rational&, const rational&);
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void AudioChangedBetween(const rational&, const rational&);
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void VideoGraphChanged();
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void AudioGraphChanged();
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void LengthChanged(const rational& length);
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void SizeChanged(int width, int height);
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private:
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NodeInput* texture_input_;
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NodeInput* samples_input_;
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NodeInput* length_input_;
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rational timebase_;
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VideoParams video_params_;
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AudioParams audio_params_;
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};
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#endif // VIEWER_H
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