itsmattkc
b233aa5319
Useful for detecting when a graph needs recompiling, in tandem with the "InvalidateCache()" signal when necessary, this signal ripples through the nodes when any of the connections change which will likely need handling by the renderer.
94 lines
2.2 KiB
C++
94 lines
2.2 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() override;
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virtual QString Name() override;
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virtual QString id() override;
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virtual QString Category() override;
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virtual QString Description() 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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