itsmattkc
2f80be437a
As opposed to simply leaving all values in the table, nodes can now "take" values that they use to free up memory (e.g. "taking" input buffers if they're used to produce an output buffer). This is a fairly large change, expect regressions.
123 lines
3.1 KiB
C++
123 lines
3.1 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 "clip.h"
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OLIVE_NAMESPACE_ENTER
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ClipBlock::ClipBlock()
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{
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texture_input_ = new NodeInput("buffer_in", NodeInput::kBuffer);
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texture_input_->set_is_keyframable(false);
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AddInput(texture_input_);
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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 rational &start_range, const rational &end_range, NodeInput *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 == texture_input_) {
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rational start = MediaToSequenceTime(start_range);
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rational end = MediaToSequenceTime(end_range);
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// Ensure range actually covers this clip's area
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if (!(end < in() || start > out())) {
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// Limit cache invalidation to clip lengths
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start = qMax(start, in());
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end = qMin(end, out());
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Node::InvalidateCache(start, end, from);
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}
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} else {
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// Otherwise, pass signal along normally
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Node::InvalidateCache(start_range, end_range, from);
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}
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}
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TimeRange ClipBlock::InputTimeAdjustment(NodeInput *input, const TimeRange &input_time) const
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{
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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, input_time);
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}
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TimeRange ClipBlock::OutputTimeAdjustment(NodeInput *input, const TimeRange &input_time) const
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{
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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::InputTimeAdjustment(input, 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(NodeParam::kBuffer);
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NodeValueTable table;
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if (data.type() != NodeParam::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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OLIVE_NAMESPACE_EXIT
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