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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 <QUuid>
#include "common/timelinecommon.h"
#include "node/block/block.h"
#include "node/output/track/track.h"
#include "node/output/track/tracklist.h"
#include "node/node.h"
#include "render/videoparams.h"
#include "render/audioparams.h"
#include "timeline/trackreference.h"
#include "timeline/tracktypes.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 Node* copy() const override;
virtual QString Name() const override;
virtual QString id() const override;
virtual QString Category() const override;
virtual QString Description() const override;
NodeInput* texture_input();
NodeInput* samples_input();
NodeInput* length_input();
virtual void InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from = nullptr) override;
const VideoParams& video_params() const;
const AudioParams& audio_params() const;
void set_video_params(const VideoParams& video);
void set_audio_params(const AudioParams& audio);
rational Length();
const QUuid& uuid() const;
const QVector<TrackOutput *> &Tracks() const;
NodeInput* track_input(TrackType type) const;
TrackList* track_list(TrackType type) const;
virtual void Retranslate() override;
protected:
virtual void DependentEdgeChanged(NodeInput* from) override;
signals:
void TimebaseChanged(const rational&);
void VideoChangedBetween(const rational&, const rational&);
void AudioChangedBetween(const rational&, const rational&);
void VideoGraphChanged();
void AudioGraphChanged();
void LengthChanged(const rational& length);
void SizeChanged(int width, int height);
void BlockAdded(Block* block, TrackReference track);
void BlockRemoved(Block* block);
void TrackAdded(TrackOutput* track, TrackType type);
void TrackRemoved(TrackOutput* track);
void TrackHeightChanged(TrackType type, int index, int height);
private:
QUuid uuid_;
NodeInput* texture_input_;
NodeInput* samples_input_;
NodeInput* length_input_;
VideoParams video_params_;
AudioParams audio_params_;
QVector<NodeInput*> track_inputs_;
QVector<TrackList*> track_lists_;
QVector<TrackOutput*> track_cache_;
rational timeline_length_;
private slots:
void UpdateTrackCache();
void UpdateLength(const rational &length);
void TrackListAddedBlock(Block* block, int index);
void TrackListAddedTrack(TrackOutput* track);
void TrackHeightChangedSlot(int index, int height);
};
#endif // VIEWER_H