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
use crate::{Filter, Frame, Signal};
pub struct Reinhard<T>(T);
impl<T> Reinhard<T> {
pub fn new(signal: T) -> Self {
Self(signal)
}
}
impl<T: Signal> Signal for Reinhard<T>
where
T::Frame: Frame,
{
type Frame = T::Frame;
fn sample(&self, interval: f32, out: &mut [T::Frame]) {
self.0.sample(interval, out);
for x in out {
for channel in x.channels_mut() {
*channel /= 1.0 + channel.abs();
}
}
}
fn remaining(&self) -> f32 {
self.0.remaining()
}
}
impl<T> Filter for Reinhard<T> {
type Inner = T;
fn inner(&self) -> &T {
&self.0
}
}