93 lines
2.2 KiB
C++
93 lines
2.2 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 "clip.h"
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#include "node/processor/renderer/renderer.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_->add_data_input(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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// Duplicate connection
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// FIXME: This behavior should probably be configurable
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if (texture_input()->IsConnected()) {
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NodeParam::ConnectEdge(texture_input()->edges().first()->output(), c->texture_input());
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}
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return new ClipBlock();
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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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rational ClipBlock::SequenceToMediaTime(const rational &sequence_time)
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{
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return sequence_time - in() + media_in();
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}
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QVariant ClipBlock::Value(NodeOutput* param, const rational& time)
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{
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QVariant value = Block::Value(param, time);
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if (param == texture_output()) {
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// If the time retrieved is within this block, get texture information
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if (time >= in() && time < out()) {
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// We convert the time given (timeline time) to media time
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rational media_time = SequenceToMediaTime(time - in() + media_in());
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// Retrieve texture
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return texture_input_->get_value(media_time);
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}
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return 0;
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}
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return Block::Value(param, time);
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}
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