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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 "node/block/block.h"
#include "node/output/track/track.h"
#include "node/output/track/tracklist.h"
#include "node/node.h"
#include "render/audioparams.h"
#include "render/audioplaybackcache.h"
#include "render/framehashcache.h"
#include "render/videoparams.h"
#include "timeline/timelinecommon.h"
#include "timeline/trackreference.h"
OLIVE_NAMESPACE_ENTER
/**
* @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 QList<CategoryID> Category() const override;
virtual QString Description() const override;
void ShiftVideoCache(const rational& from, const rational& to);
void ShiftAudioCache(const rational& from, const rational& to);
void ShiftCache(const rational& from, const rational& to);
NodeInput* texture_input() const {
return texture_input_;
}
NodeInput* samples_input() const {
return samples_input_;
}
virtual void InvalidateCache(const TimeRange &range, NodeInput *from, NodeInput* source) override;
const VideoParams& video_params() const {
return video_params_;
}
const AudioParams& audio_params() const {
return audio_params_;
}
void set_video_params(const VideoParams &video);
void set_audio_params(const AudioParams &audio);
rational GetLength();
const QUuid& uuid() const {
return uuid_;
}
const QVector<TrackOutput *> &GetTracks() const {
return track_cache_;
}
/**
* @brief Same as GetTracks() but omits tracks that are locked.
*/
QVector<TrackOutput *> GetUnlockedTracks() const;
NodeInput* track_input(Timeline::TrackType type) const {
return track_inputs_.at(type);
}
TrackList* track_list(Timeline::TrackType type) const {
return track_lists_.at(type);
}
virtual void Retranslate() override;
const QString& media_name() const {
return media_name_;
}
void set_media_name(const QString& name);
FrameHashCache* video_frame_cache() {
return &video_frame_cache_;
}
AudioPlaybackCache* audio_playback_cache() {
return &audio_playback_cache_;
}
virtual void BeginOperation() override;
virtual void EndOperation() override;
signals:
void TimebaseChanged(const rational&);
void GraphChangedFrom(NodeInput* source);
void LengthChanged(const rational& length);
void SizeChanged(int width, int height);
void ParamsChanged();
void BlockAdded(Block* block, TrackReference track);
void BlockRemoved(Block* block);
void TrackAdded(TrackOutput* track, Timeline::TrackType type);
void TrackRemoved(TrackOutput* track);
void TrackHeightChanged(Timeline::TrackType type, int index, int height);
void MediaNameChanged(const QString& name);
private:
QUuid uuid_;
NodeInput* texture_input_;
NodeInput* samples_input_;
VideoParams video_params_;
AudioParams audio_params_;
QVector<NodeInput*> track_inputs_;
QVector<TrackList*> track_lists_;
QVector<TrackOutput*> track_cache_;
rational last_length_;
QString media_name_;
FrameHashCache video_frame_cache_;
AudioPlaybackCache audio_playback_cache_;
int operation_stack_;
private slots:
void UpdateTrackCache();
void VerifyLength();
void TrackListAddedBlock(Block* block, int index);
void TrackListAddedTrack(TrackOutput* track);
void TrackHeightChangedSlot(int index, int height);
};
OLIVE_NAMESPACE_EXIT
#endif // VIEWER_H
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