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oak-editor/app/node/output/viewer/viewer.h
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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef VIEWER_H
#define VIEWER_H
#include "node/node.h"
#include "render/videoparams.h"
#include "render/audio/audioparams.h"
#include "render/rendertexture.h"
/**
* @brief A bridge between a node system and a ViewerPanel
*
* Receives update/time change signals from ViewerPanels and responds by sending them a texture of that frame
*/
class ViewerOutput : public Node
{
Q_OBJECT
public:
ViewerOutput();
virtual QString Name() override;
virtual QString id() override;
virtual QString Category() override;
virtual QString Description() override;
NodeInput* texture_input();
NodeInput* samples_input();
NodeInput* length_input();
RenderTexturePtr GetTexture(const rational& time);
QByteArray GetSamples(const rational& in, const rational& out);
virtual void InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from = nullptr) override;
const VideoParams& video_params();
const AudioParams& audio_params();
void set_video_params(const VideoParams& video);
void set_audio_params(const AudioParams& audio);
rational Length();
signals:
void TimebaseChanged(const rational&);
void TextureChangedBetween(const rational&, const rational&);
void SizeChanged(int width, int height);
protected:
virtual QVariant Value(NodeOutput* output, const rational &in, const rational &out) override;
private:
NodeInput* texture_input_;
NodeInput* samples_input_;
NodeInput* length_input_;
rational timebase_;
VideoParams video_params_;
AudioParams audio_params_;
};
#endif // VIEWER_H