103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 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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#include "widget/slider/floatslider.h"
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namespace olive {
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const QString VolumeNode::kSamplesInput = QStringLiteral("samples_in");
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const QString VolumeNode::kVolumeInput = QStringLiteral("volume_in");
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#define super MathNodeBase
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VolumeNode::VolumeNode()
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{
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AddInput(kSamplesInput, NodeValue::kSamples, InputFlags(kInputFlagNotKeyframable));
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AddInput(kVolumeInput, NodeValue::kFloat, 1.0);
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SetInputProperty(kVolumeInput, QStringLiteral("min"), 0.0);
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SetInputProperty(kVolumeInput, QStringLiteral("view"), FloatSlider::kDecibel);
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SetFlags(kAudioEffect);
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SetEffectInput(kSamplesInput);
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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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QVector<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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void VolumeNode::Value(const NodeValueRow &value, const NodeGlobals &globals, NodeValueTable *table) const
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{
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Q_UNUSED(globals)
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// Create a sample job
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SampleBuffer buffer = value[kSamplesInput].toSamples();
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if (buffer.is_allocated()) {
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// If the input is static, we can just do it now which will be faster
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if (IsInputStatic(kVolumeInput)) {
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auto volume = value[kVolumeInput].toDouble();
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if (!qFuzzyCompare(volume, 1.0)) {
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buffer.transform_volume(volume);
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}
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table->Push(NodeValue::kSamples, QVariant::fromValue(buffer), this);
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} else {
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// Requires job
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SampleJob job(kSamplesInput, value);
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table->Push(NodeValue::kSamples, QVariant::fromValue(job), this);
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}
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}
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}
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void VolumeNode::ProcessSamples(const NodeValueRow &values, const SampleBuffer &input, SampleBuffer &output, int index) const
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{
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return ProcessSamplesInternal(values, kOpMultiply, kSamplesInput, kVolumeInput, input, output, index);
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}
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void VolumeNode::Retranslate()
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{
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super::Retranslate();
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SetInputName(kSamplesInput, tr("Samples"));
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SetInputName(kVolumeInput, tr("Volume"));
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}
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}
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