itsmattkc
4d96ac9e39
Nodes were previously written to be "strongly typed" in that a parameter's "type" enforced whether it could be connected to another. All code related to that has now been removed since not only is it hard to maintain and likely unnecessary, it's possible the nodes will work differently later on anyway.
107 lines
2.8 KiB
C++
107 lines
2.8 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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ClipBlock::ClipBlock()
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{
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texture_input_ = new NodeInput("tex_in");
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texture_input_->set_data_type(NodeInput::kTexture);
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AddParameter(texture_input_);
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}
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Block *ClipBlock::copy()
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{
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ClipBlock* c = new ClipBlock();
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CopyParameters(this, c);
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return c;
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}
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Block::Type ClipBlock::type()
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{
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return kClip;
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}
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QString ClipBlock::Name()
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{
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return tr("Clip");
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}
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QString ClipBlock::id()
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{
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return "org.olivevideoeditor.Olive.clip";
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}
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QString ClipBlock::Description()
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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()
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{
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return texture_input_;
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}
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QVariant ClipBlock::Value(NodeOutput* param, const rational& v_in, const rational &v_out)
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{
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if (param == buffer_output()) {
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// If the time retrieved is within this block, get texture information
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if (texture_input()->IsConnected() && v_in >= in() && v_out < out()) {
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// Retrieve texture
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// We convert the time given (timeline time) to media time
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return texture_input_->get_value(SequenceToMediaTime(v_in), SequenceToMediaTime(v_out));
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}
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return 0;
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}
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return Block::Value(param, v_in, v_out);
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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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// 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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} 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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QList<NodeDependency> ClipBlock::RunDependencies(NodeOutput *output, const rational &time)
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{
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QList<NodeDependency> deps;
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if (output == buffer_output() && texture_input_->IsConnected()) {
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deps.append(NodeDependency(texture_input_->get_connected_output(), SequenceToMediaTime(time), SequenceToMediaTime(time)));
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}
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return deps;
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}
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