web-audio-api 0.28.0

A pure Rust implementation of the Web Audio API, for use in non-browser contexts
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

use std::fs::File;
use std::{thread, time};
use web_audio_api::AudioRenderCapacityOptions;

use web_audio_api::context::{AudioContext, BaseAudioContext};
use web_audio_api::node::{AudioNode, AudioScheduledSourceNode, ConvolverNode, ConvolverOptions};

fn main() {
    // create an `AudioContext` and load a sound file
    let context = AudioContext::default();

    let cap = context.render_capacity();
    cap.set_onupdate(|e| println!("{e:?}"));
    cap.start(AudioRenderCapacityOptions {
        update_interval: 1.,
    });

    let file = File::open("samples/vocals-dry.wav").unwrap();
    let audio_buffer = context.decode_audio_data_sync(file).unwrap();

    let impulse_file1 = File::open("samples/small-room-response.wav").unwrap();
    let impulse_buffer1 = context.decode_audio_data_sync(impulse_file1).unwrap();

    let impulse_file2 = File::open("samples/parking-garage-response.wav").unwrap();
    let impulse_buffer2 = context.decode_audio_data_sync(impulse_file2).unwrap();

    let src = context.create_buffer_source();
    src.set_buffer(audio_buffer);

    let convolve = ConvolverNode::new(&context, ConvolverOptions::default());

    src.connect(&convolve);
    convolve.connect(&context.destination());

    src.start();

    println!("Dry");
    thread::sleep(time::Duration::from_millis(4_000));

    println!("Small room");
    convolve.set_buffer(impulse_buffer1);
    thread::sleep(time::Duration::from_millis(4_000));

    println!("Parking garage");
    convolve.set_buffer(impulse_buffer2);
    thread::sleep(time::Duration::from_millis(5_000));

    println!("Stop input - flush out remaining impulse response");
    src.stop();
    thread::sleep(time::Duration::from_millis(2_000));
}