1#[derive(Clone, Copy, Debug, PartialEq)]
4pub struct Profile {
5 pub name: &'static str,
6 pub level_db: f64,
7 pub floor_db: f64,
8 pub floor_db_above_5k: f64,
9 pub ceiling_hz: f64,
10 pub band_db: f64,
11 pub flop_budget: u128,
13}
14
15pub const PSYCHOACOUSTIC_V1: Profile = Profile {
16 name: "psychoacoustic-v1",
17 level_db: 0.5,
18 floor_db: -20.0,
19 floor_db_above_5k: -25.0,
20 ceiling_hz: 20_000.0,
21 band_db: 1.0,
22 flop_budget: 10_000_000_000,
23};
24
25pub fn named(name: &str) -> Option<Profile> {
26 (name == PSYCHOACOUSTIC_V1.name).then_some(PSYCHOACOUSTIC_V1)
27}
28
29impl Profile {
30 pub fn ceiling(&self, rate: u32) -> f64 {
31 self.ceiling_hz.min(f64::from(rate) / 2.0)
32 }
33
34 pub fn floor(&self, hz: f64) -> f64 {
35 if hz > 5_000.0 {
36 self.floor_db_above_5k
37 } else {
38 self.floor_db
39 }
40 }
41}