127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 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 "clip.h"
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namespace olive {
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ClipBlock::ClipBlock()
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{
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texture_input_ = new NodeInput(this, QStringLiteral("buffer_in"), NodeValue::kNone);
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texture_input_->SetKeyframable(false);
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}
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Node *ClipBlock::copy() const
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{
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return new ClipBlock();
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}
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Block::Type ClipBlock::type() const
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{
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return kClip;
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}
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QString ClipBlock::Name() const
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{
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return tr("Clip");
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}
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QString ClipBlock::id() const
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{
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return QStringLiteral("org.olivevideoeditor.Olive.clip");
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}
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QString ClipBlock::Description() const
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{
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return tr("A time-based node that represents a media source.");
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}
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NodeInput *ClipBlock::texture_input() const
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{
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return texture_input_;
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}
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void ClipBlock::InvalidateCache(const TimeRange& range, const InputConnection& from)
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{
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// If signal is from texture input, transform all times from media time to sequence time
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if (from.input == texture_input_) {
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// Adjust range from media time to sequence time
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rational start = MediaToSequenceTime(range.in());
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rational end = MediaToSequenceTime(range.out());
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Block::InvalidateCache(TimeRange(start, end), from);
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} else {
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// Otherwise, pass signal along normally
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Block::InvalidateCache(range, from);
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}
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}
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TimeRange ClipBlock::InputTimeAdjustment(NodeInput *input, int element, const TimeRange &input_time) const
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{
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Q_UNUSED(element)
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if (input == texture_input_) {
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return TimeRange(SequenceToMediaTime(input_time.in()), SequenceToMediaTime(input_time.out()));
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}
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return Block::InputTimeAdjustment(input, element, input_time);
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}
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TimeRange ClipBlock::OutputTimeAdjustment(NodeInput *input, int element, const TimeRange &input_time) const
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{
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Q_UNUSED(element)
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if (input == texture_input_) {
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return TimeRange(MediaToSequenceTime(input_time.in()), MediaToSequenceTime(input_time.out()));
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}
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return Block::OutputTimeAdjustment(input, element, input_time);
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}
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NodeValueTable ClipBlock::Value(NodeValueDatabase &value) const
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{
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// We discard most values here except for the buffer we received
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NodeValue data = value[texture_input()].GetWithMeta(NodeValue::kBuffer);
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NodeValueTable table;
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if (data.type() != NodeValue::kNone) {
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table.Push(data);
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}
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return table;
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}
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void ClipBlock::Retranslate()
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{
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Block::Retranslate();
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texture_input_->set_name(tr("Buffer"));
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}
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void ClipBlock::Hash(QCryptographicHash &hash, const rational &time) const
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{
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if (texture_input_->IsConnected()) {
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rational t = InputTimeAdjustment(texture_input_, -1, TimeRange(time, time)).in();
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texture_input_->GetConnectedNode()->Hash(hash, t);
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}
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}
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}
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