insta_fun/
input.rs

1/// Input provided to the audio unit
2pub enum InputSource {
3    /// No input
4    None,
5    /// Input provided by a channel vec
6    ///
7    /// - First vec contains all **channels**
8    /// - Second vec contains **samples** per channel
9    VecByChannel(Vec<Vec<f32>>),
10    /// Input provided by a tick vec
11    ///
12    /// - First vec contains all **ticks**
13    /// - Second vec contains **samples** for all **channels** per tick
14    VecByTick(Vec<Vec<f32>>),
15    /// Input **repeated** on every tick
16    ///
17    /// - Vector contains **samples** for all **channels** for **one** tick
18    Flat(Vec<f32>),
19    /// Input provided by a generator function
20    ///
21    /// - First argument is the sample index
22    /// - Second argument is the channel index
23    Generator(Box<dyn Fn(usize, usize) -> f32>),
24}
25
26impl InputSource {
27    pub fn impulse() -> Self {
28        Self::Generator(Box::new(|i, _| if i == 0 { 1.0 } else { 0.0 }))
29    }
30    pub fn sine(freq: f32, sample_rate: f32) -> Self {
31        Self::Generator(Box::new(move |i, _| {
32            let phase = 2.0 * std::f32::consts::PI * freq * i as f32 / sample_rate;
33            phase.sin()
34        }))
35    }
36}
insta_fun/input.rs

insta_fun/
input.rs
