itsmattkc
16ac2fc0e1
The new rendering pipeline strives to simplify the nodes themselves as much as possible and move much of the logic to an external rendering engine. This change removes all of the responsibilities that no longer belong to the nodes themselves and will soon be folded into the renderer.
169 lines
4.2 KiB
C++
169 lines
4.2 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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#include "timeline.h"
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#include <QDebug>
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#include "node/block/gap/gap.h"
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#include "node/graph.h"
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#include "panel/timeline/timeline.h"
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TimelineOutput::TimelineOutput()
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{
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// Create TrackList instances
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track_inputs_.resize(kTrackTypeCount);
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track_lists_.resize(kTrackTypeCount);
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for (int i=0;i<kTrackTypeCount;i++) {
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// Create track input
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NodeInput* track_input = new NodeInput(QString("track_in_%1").arg(i));
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track_input->set_data_type(NodeParam::kTrack);
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AddParameter(track_input);
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track_inputs_.replace(i, track_input);
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TrackList* list = new TrackList(this, static_cast<TrackType>(i), track_input);
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track_lists_.replace(i, list);
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connect(list, SIGNAL(TrackListChanged()), this, SLOT(UpdateTrackCache()));
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connect(list, SIGNAL(LengthChanged(const rational &)), this, SLOT(UpdateLength(const rational &)));
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connect(list, SIGNAL(BlockAdded(Block*, int)), this, SLOT(TrackListAddedBlock(Block*, int)));
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connect(list, SIGNAL(BlockRemoved(Block*)), this, SIGNAL(BlockRemoved(Block*)));
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connect(list, SIGNAL(TrackAdded(TrackOutput*)), this, SLOT(TrackListAddedTrack(TrackOutput*)));
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connect(list, SIGNAL(TrackRemoved(TrackOutput*)), this, SIGNAL(TrackRemoved(TrackOutput*)));
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}
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length_output_ = new NodeOutput("length_out");
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AddParameter(length_output_);
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}
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QString TimelineOutput::Name()
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{
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return tr("Timeline");
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}
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QString TimelineOutput::id()
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{
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return "org.olivevideoeditor.Olive.timeline";
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}
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QString TimelineOutput::Category()
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{
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return tr("Output");
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}
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QString TimelineOutput::Description()
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{
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return tr("Node for communicating between a Timeline panel and the node graph.");
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}
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QVector<TrackOutput *> TimelineOutput::Tracks()
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{
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return track_cache_;
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}
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NodeOutput *TimelineOutput::length_output()
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{
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return length_output_;
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}
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const rational &TimelineOutput::timeline_length()
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{
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return length_;
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}
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const rational &TimelineOutput::Timebase()
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{
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return timebase_;
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}
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QVariant TimelineOutput::Value(NodeOutput *output)
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{
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if (output == length_output_) {
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return QVariant::fromValue(length_);
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}
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return 0;
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}
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void TimelineOutput::UpdateTrackCache()
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{
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track_cache_.clear();
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foreach (TrackList* list, track_lists_) {
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track_cache_.append(list->Tracks());
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}
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}
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void TimelineOutput::UpdateLength(const rational &length)
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{
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// If this length is equal, no-op
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if (length == length_) {
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return;
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}
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// If this length is greater, this must be the new total length
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if (length > length_) {
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length_ = length;
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emit LengthChanged(length_);
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return;
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}
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// Otherwise, the new length is shorter and we'll have to manually determine what the new max length is
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rational new_length = 0;
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foreach (TrackList* list, track_lists_) {
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new_length = qMax(new_length, list->TrackLength());
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}
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if (new_length != length_) {
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length_ = new_length;
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emit LengthChanged(length_);
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}
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}
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void TimelineOutput::SetTimebase(const rational &timebase)
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{
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timebase_ = timebase;
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emit TimebaseChanged(timebase_);
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}
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NodeInput *TimelineOutput::track_input(TrackType type)
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{
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return track_inputs_.at(type);
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}
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TrackList *TimelineOutput::track_list(TrackType type)
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{
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return track_lists_.at(type);
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}
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void TimelineOutput::TrackListAddedBlock(Block *block, int index)
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{
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TrackType type = static_cast<TrackList*>(sender())->TrackType();
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emit BlockAdded(block, TrackReference(type, index));
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}
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void TimelineOutput::TrackListAddedTrack(TrackOutput *track)
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{
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TrackType type = static_cast<TrackList*>(sender())->TrackType();
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emit TrackAdded(track, type);
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}
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