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first go at handling samples from the web

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Vasilii Milovidov
2023-09-26 18:42:18 +04:00
parent 229dfe487a
commit 9606ce0d51
1 changed files with 4 additions and 76 deletions
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src-tauri/src/superdough.rs
+4 -76
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@@ -1,4 +1,3 @@
use std::fs::File;
use web_audio_api::AudioBuffer;
use web_audio_api::context::{AudioContext, BaseAudioContext};
use web_audio_api::node::{AudioBufferSourceNode, AudioNode, AudioScheduledSourceNode, BiquadFilterNode, BiquadFilterType, DelayNode, DynamicsCompressorNode, GainNode, OscillatorNode, OscillatorType};
@@ -56,13 +55,12 @@ pub struct FilterADSR {
}
pub fn sample(message: &WebAudioMessage, context: &mut AudioContext, audio_buffer: AudioBuffer) {
pub fn superdough_sample(message: &WebAudioMessage, context: &mut AudioContext, audio_buffer: AudioBuffer) {
let now = context.current_time();
let mut chain: Vec<&dyn AudioNode> = Vec::new();
let compressor = context.create_dynamics_compressor();
compressor.connect(&context.destination());
compressor.threshold().set_value(-50.0);
let env = context.create_gain();
let delay = context.create_delay(1.);
// Play synth or sample
@@ -85,7 +83,7 @@ pub fn sample(message: &WebAudioMessage, context: &mut AudioContext, audio_buffe
create_delay(message, context, &env, &delay, now, &compressor);
}
// Connect nodes and play sample
connect_nodes(chain, context, &compressor);
connect_nodes(chain, &compressor);
src.playback_rate().set_value(message.speed);
let src = play_sample(message, now, audio_buffer_duration, src, filters, &env);
src.set_onended(move |_| {
@@ -119,7 +117,7 @@ pub fn superdough_synth(message: &WebAudioMessage, context: &mut AudioContext) {
};
// Connect nodes and play synth
connect_nodes(chain, context, &compressor);
connect_nodes(chain, &compressor);
let osc = play_synth(&message, now, osc, filters, &env);
@@ -128,76 +126,6 @@ pub fn superdough_synth(message: &WebAudioMessage, context: &mut AudioContext) {
});
}
pub fn superdough(message: &WebAudioMessage, context: &mut AudioContext) {
let now = context.current_time();
let mut chain: Vec<&dyn AudioNode> = Vec::new();
let compressor = context.create_dynamics_compressor();
compressor.connect(&context.destination());
compressor.threshold().set_value(-50.0);
let env = context.create_gain();
let delay = context.create_delay(1.);
// Play synth or sample
match message.waveform.as_str() {
"sine" | "square" | "triangle" | "saw" => {
let osc = context.create_oscillator();
// Create nodes for synth playback
chain.push(&osc);
let filters = create_filters(context, message);
for f in &filters {
chain.push(f);
}
chain.push(&env);
if message.delay.wet > 0.0 {
create_delay(message, context, &env, &delay, now, &compressor);
};
// Connect nodes and play synth
connect_nodes(chain, context, &compressor);
let osc = play_synth(&message, now, osc, filters, &env);
osc.set_onended(move |_| {
delay.disconnect();
});
}
_ => {
match File::open(format!("samples/{}.wav", message.waveform)) {
Ok(file) => {
// Create nodes for sample playback
let audio_buffer = context.decode_audio_data_sync(file).unwrap();
let audio_buffer_duration = audio_buffer.duration();
let mut src = context.create_buffer_source();
src.set_buffer(audio_buffer);
chain.push(&src);
let filters = create_filters(context, message);
for f in &filters {
chain.push(f);
}
let env = context.create_gain();
chain.push(&env);
if message.delay.wet > 0.0 {
create_delay(message, context, &env, &delay, now, &compressor);
}
// Connect nodes and play sample
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 |_| {
delay.disconnect();
});
}
Err(e) => eprintln!("Failed to open file: {:?}", e),
}
}
}
}
fn create_delay(message: &WebAudioMessage, context: &mut AudioContext, env: &GainNode, delay: &DelayNode, now: f64, compressor: &DynamicsCompressorNode) {
let output = context.create_gain();
output.connect(compressor);
@@ -406,7 +334,7 @@ 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, compressor: &DynamicsCompressorNode) -> Vec<&'a (dyn AudioNode)> {
fn connect_nodes<'a>(nodes: Vec<&'a (dyn AudioNode + 'a)>, compressor: &DynamicsCompressorNode) -> Vec<&'a (dyn AudioNode)> {
for i in 0..nodes.len() - 1 {
nodes[i].connect(nodes[i + 1]);
}