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add compressor

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This commit is contained in:
Vasilii Milovidov
2023-09-22 11:20:46 +04:00
parent 6a066a5304
commit b93ac61a7a
1 changed files with 11 additions and 8 deletions
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src-tauri/src/superdough.rs
+11 -8
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@@ -1,6 +1,6 @@
use std::fs::File;
use web_audio_api::context::{AudioContext, BaseAudioContext};
use web_audio_api::node::{AudioBufferSourceNode, AudioNode, AudioScheduledSourceNode, BiquadFilterNode, BiquadFilterType, DelayNode, GainNode, OscillatorNode, OscillatorType};
use web_audio_api::node::{AudioBufferSourceNode, AudioNode, AudioScheduledSourceNode, BiquadFilterNode, BiquadFilterType, DelayNode, DynamicsCompressorNode, GainNode, OscillatorNode, OscillatorType};
use web_audio_api::node::BiquadFilterType::{Bandpass, Highpass, Lowpass};
use crate::webaudiobridge::WebAudioMessage;
@@ -57,8 +57,9 @@ pub struct FilterADSR {
pub fn superdough(message: &WebAudioMessage, context: &mut AudioContext) {
let now = context.current_time();
let mut chain: Vec<&dyn AudioNode> = Vec::new();
let env = context.create_gain();
let compressor = context.create_dynamics_compressor();
compressor.connect(&context.destination());
compressor.threshold().set_value(-50.0);
// Play synth or sample
match message.waveform.as_str() {
"sine" | "square" | "triangle" | "saw" => {
@@ -70,6 +71,7 @@ pub fn superdough(message: &WebAudioMessage, context: &mut AudioContext) {
for f in &filters {
chain.push(f);
}
let env = context.create_gain();
chain.push(&env);
let mut delays = Vec::new();
@@ -81,8 +83,9 @@ pub fn superdough(message: &WebAudioMessage, context: &mut AudioContext) {
create_delay(message, &context, &env, &mut delays, now);
}
// Connect nodes and play synth
connect_nodes(chain, context);
connect_nodes(chain, context, &compressor);
let osc = play_synth(&message, now, osc, filters, &env);
osc.set_onended(move |_| {
@@ -119,7 +122,7 @@ pub fn superdough(message: &WebAudioMessage, context: &mut AudioContext) {
create_delay(message, &context, &env, &mut delays, now);
}
// Connect nodes and play sample
connect_nodes(chain, context);
connect_nodes(chain, context, &compressor);
src.playback_rate().set_value(message.speed);
let src = play_sample(message, now, audio_buffer_duration, src, filters, &env);
src.set_onended(move |_| {
@@ -308,7 +311,7 @@ fn apply_adsr(
sustain * message.velocity,
now + attack + decay,
)
.set_value_at_time(sustain * message.velocity, message.duration)
// .set_value_at_time(sustain * message.velocity, message.duration)
.linear_ramp_to_value_at_time(0.00, now + message.duration);
}
@@ -344,12 +347,12 @@ fn apply_default_drum_adsr(envelope: &GainNode, message: &WebAudioMessage, now:
apply_adsr(envelope, message, now, 0.001, message.velocity, 0.5, 0.5);
}
fn connect_nodes<'a>(nodes: Vec<&'a (dyn AudioNode + 'a)>, context: &'a mut AudioContext) -> Vec<&'a (dyn AudioNode)> {
fn connect_nodes<'a>(nodes: Vec<&'a (dyn AudioNode + 'a)>, context: &'a mut AudioContext, compressor: &DynamicsCompressorNode) -> Vec<&'a (dyn AudioNode)> {
for i in 0..nodes.len() - 1 {
nodes[i].connect(nodes[i + 1]);
}
if let Some(last_node) = nodes.last() {
last_node.connect(&context.destination());
last_node.connect(compressor);
}
nodes
}