Files
oak-editor/app/node/audio/volume/volume.cpp
T
itsmattkc 7ad2eae7a2 implemented volume and pan effects
This commit implements a structure for sample processing and two implemenations
of this structure in volume and pan effects.
2019-12-24 12:34:30 +11:00

53 lines
1.1 KiB
C++

#include "volume.h"
VolumeNode::VolumeNode()
{
samples_input_ = new NodeInput("samples_in");
samples_input_->set_data_type(NodeParam::kSamples);
AddInput(samples_input_);
volume_input_ = new NodeInput("volume_in");
volume_input_->set_data_type(NodeParam::kFloat);
volume_input_->set_minimum(0);
volume_input_->set_maximum(1);
volume_input_->set_value_at_time(0, 1);
AddInput(volume_input_);
}
Node *VolumeNode::copy() const
{
return new VolumeNode();
}
QString VolumeNode::Name() const
{
return tr("Volume");
}
QString VolumeNode::id() const
{
return "org.olivevideoeditor.Olive.volume";
}
QString VolumeNode::Category() const
{
return tr("Audio");
}
QString VolumeNode::Description() const
{
return tr("Adjusts the volume of an audio source.");
}
bool VolumeNode::ProcessesSamples() const
{
return true;
}
void VolumeNode::ProcessSamples(const NodeValueDatabase& values, const AudioRenderingParams& params, const float* input, float* output, int index) const
{
float volume_val = values[volume_input_].Get(NodeParam::kFloat).toFloat();
output[index] = input[index] * volume_val;
}