68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
#include "volume.h"
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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);
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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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QString VolumeNode::Category() const
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{
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return tr("Audio");
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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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Node::Capabilities VolumeNode::GetCapabilities(const NodeValueDatabase &) const
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{
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return kSampleProcessor;
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}
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NodeInput *VolumeNode::ProcessesSamplesFrom(const NodeValueDatabase &value) const
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{
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return samples_input_;
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}
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void VolumeNode::ProcessSamples(const NodeValueDatabase &values, const AudioRenderingParams& 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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NodeInput *VolumeNode::samples_input() const
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{
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return samples_input_;
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}
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