itsmattkc
6f0d72c05d
While planar audio cannot be used for playback, it's much easier for processing. This should lead to cleaner and easier to write code in the future.
68 lines
1.4 KiB
C++
68 lines
1.4 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
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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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