itsmattkc
dd7af0e6bd
The nodes now have more control over how their accelerated shaders/sample functions are run, as well as how items are popped off the value tables. This allows for various optimizations that we didn't have access to before.
91 lines
2.3 KiB
C++
91 lines
2.3 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 "volume.h"
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OLIVE_NAMESPACE_ENTER
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VolumeNode::VolumeNode()
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{
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samples_input_ = new NodeInput("samples_in", NodeParam::kSamples);
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AddInput(samples_input_);
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volume_input_ = new NodeInput("volume_in", NodeParam::kFloat, 1.0);
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volume_input_->set_property("min", 0.0);
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volume_input_->set_property("view", "db");
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AddInput(volume_input_);
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}
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Node *VolumeNode::copy() const
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{
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return new VolumeNode();
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}
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QString VolumeNode::Name() const
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{
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return tr("Volume");
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}
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QString VolumeNode::id() const
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{
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return QStringLiteral("org.olivevideoeditor.Olive.volume");
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}
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QList<Node::CategoryID> VolumeNode::Category() const
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{
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return {kCategoryFilter};
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}
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QString VolumeNode::Description() const
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{
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return tr("Adjusts the volume of an audio source.");
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}
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NodeValueTable VolumeNode::Value(NodeValueDatabase &value) const
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{
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SampleJob job(samples_input_);
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job.InsertValue(volume_input_, value);
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NodeValueTable table = value.Merge();
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if (qFuzzyCompare(job.GetValue(volume_input_).data().toDouble(), 1.0)) {
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table.Push(NodeParam::kSampleJob, QVariant::fromValue(job), this);
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}
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return table;
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}
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void VolumeNode::ProcessSamples(NodeValueDatabase &values, const AudioParams& params, const SampleBufferPtr input, SampleBufferPtr output, int index) const
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{
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float volume_val = values[volume_input_].Get(NodeParam::kFloat).toFloat();
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for (int i=0;i<params.channel_count();i++) {
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output->data()[i][index] = input->data()[i][index] * volume_val;
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}
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}
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void VolumeNode::Retranslate()
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{
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samples_input_->set_name(tr("Samples"));
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volume_input_->set_name(tr("Volume"));
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}
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OLIVE_NAMESPACE_EXIT
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