Lightningbeam/daw-backend/src/audio/node_graph/nodes/splitter.rs

105 lines
2.4 KiB
Rust

use crate::audio::node_graph::{AudioNode, NodeCategory, NodePort, Parameter, SignalType};
use crate::audio::midi::MidiEvent;
/// Splitter node - copies input to multiple outputs for parallel routing
pub struct SplitterNode {
name: String,
inputs: Vec<NodePort>,
outputs: Vec<NodePort>,
parameters: Vec<Parameter>,
}
impl SplitterNode {
pub fn new(name: impl Into<String>) -> Self {
let name = name.into();
let inputs = vec![
NodePort::new("Audio In", SignalType::Audio, 0),
];
let outputs = vec![
NodePort::new("Out 1", SignalType::Audio, 0),
NodePort::new("Out 2", SignalType::Audio, 1),
NodePort::new("Out 3", SignalType::Audio, 2),
NodePort::new("Out 4", SignalType::Audio, 3),
];
let parameters = vec![];
Self {
name,
inputs,
outputs,
parameters,
}
}
}
impl AudioNode for SplitterNode {
fn category(&self) -> NodeCategory {
NodeCategory::Utility
}
fn inputs(&self) -> &[NodePort] {
&self.inputs
}
fn outputs(&self) -> &[NodePort] {
&self.outputs
}
fn parameters(&self) -> &[Parameter] {
&self.parameters
}
fn set_parameter(&mut self, _id: u32, _value: f32) {
// No parameters
}
fn get_parameter(&self, _id: u32) -> f32 {
0.0
}
fn process(
&mut self,
inputs: &[&[f32]],
outputs: &mut [&mut [f32]],
_midi_inputs: &[&[MidiEvent]],
_midi_outputs: &mut [&mut Vec<MidiEvent>],
_sample_rate: u32,
) {
if inputs.is_empty() || outputs.is_empty() {
return;
}
let input = inputs[0];
// Copy input to all outputs
for output in outputs.iter_mut() {
let len = input.len().min(output.len());
output[..len].copy_from_slice(&input[..len]);
}
}
fn reset(&mut self) {
// No state to reset
}
fn node_type(&self) -> &str {
"Splitter"
}
fn name(&self) -> &str {
&self.name
}
fn clone_node(&self) -> Box<dyn AudioNode> {
Box::new(Self {
name: self.name.clone(),
inputs: self.inputs.clone(),
outputs: self.outputs.clone(),
parameters: self.parameters.clone(),
})
}
}