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secs_engine/
setup.rs

1//! Constructor normalisation, in upstream dictionary order.
2//! Upstream: `CorrectionEngine.__init__` (`correction_engine.py:418–489`).
3
4use crate::grid::SR_F;
5use crate::input::{BandType, EngineConfig, LayoutKind, Peq, SubManual, SubMode};
6
7#[derive(Debug, Clone, PartialEq)]
8pub struct SubFilter {
9    pub hp_hz: f64,
10    pub hp_type: BandType,
11    pub lp_hz: f64,
12    pub lp_type: BandType,
13    pub peq: Vec<Peq>,
14}
15
16#[derive(Debug, Clone, PartialEq)]
17pub struct Layout {
18    pub kind: LayoutKind,
19    pub rear_trim_ms: f64,
20    pub members: Vec<String>,
21}
22
23#[derive(Debug, Clone)]
24pub struct Setup {
25    pub sub_manual: Vec<(String, SubManual)>,
26    pub sub_filters: Vec<(String, SubFilter)>,
27    pub layouts: Vec<(String, Layout)>,
28    pub lift_ms: f64,
29    pub lift_capped_from_ms: Option<f64>,
30    pub max_latency_ms: f64,
31    pub rc_lo: f64,
32    pub rc_hi_manual: Option<f64>,
33    pub rc_hi: f64,
34    pub peq_bands: usize,
35}
36
37impl Setup {
38    pub fn new(config: &EngineConfig) -> Self {
39        let sub_manual: Vec<_> = config
40            .sub_manual
41            .iter()
42            .filter(|(r, _)| config.subs.contains(r))
43            .cloned()
44            .collect();
45        let mut sub_filters: Vec<_> = sub_manual
46            .iter()
47            .filter_map(|(r, m)| {
48                let peq: Vec<_> = m.peq.iter().copied().filter(|b| b.2 != 0.0).collect();
49                (m.hp_hz > 0.0 || m.lp_hz > 0.0 || !peq.is_empty()).then(|| {
50                    (
51                        r.clone(),
52                        SubFilter {
53                            hp_hz: m.hp_hz,
54                            hp_type: m.hp_type,
55                            lp_hz: m.lp_hz,
56                            lp_type: m.lp_type,
57                            peq,
58                        },
59                    )
60                })
61            })
62            .collect();
63        let mut layouts = Vec::new();
64        for (name, layout) in &config.bundle_layouts {
65            let members: Vec<_> = config
66                .subs
67                .iter()
68                .filter(|r| {
69                    sub_manual.iter().any(|(role, m)| {
70                        role == *r
71                            && m.mode == SubMode::Bundle
72                            && (if m.bundle.is_empty() { "A" } else { &m.bundle }) == name
73                    })
74                })
75                .cloned()
76                .collect();
77            let Some(first) = members.first() else {
78                continue;
79            };
80            let lead = sub_filters
81                .iter()
82                .find(|(r, _)| r == first)
83                .map(|(_, f)| f.clone());
84            for r in &members[1..] {
85                if let Some(filter) = &lead {
86                    if let Some((_, value)) = sub_filters.iter_mut().find(|(role, _)| role == r) {
87                        *value = filter.clone();
88                    } else {
89                        sub_filters.push((r.clone(), filter.clone()));
90                    }
91                } else {
92                    sub_filters.retain(|(role, _)| role != r);
93                }
94            }
95            layouts.push((
96                name.clone(),
97                Layout {
98                    kind: layout.kind,
99                    rear_trim_ms: layout.rear_trim_ms,
100                    members,
101                },
102            ));
103        }
104        let cap_ms = 0.7 * config.taps as f64 / SR_F * 1000.0;
105        let capped = config.lift_ms > cap_ms;
106        let lift_ms = if capped { cap_ms } else { config.lift_ms };
107        let max_latency_ms = config.max_latency_ms.map_or(lift_ms + 15.0, |v| {
108            if capped {
109                v - (config.lift_ms - cap_ms)
110            } else {
111                v
112            }
113        });
114        Self {
115            sub_manual,
116            sub_filters,
117            layouts,
118            lift_ms,
119            lift_capped_from_ms: capped.then_some(config.lift_ms),
120            max_latency_ms,
121            rc_lo: config.rc_range.0,
122            rc_hi_manual: config.rc_range.1,
123            rc_hi: config.rc_range.1.filter(|v| *v != 0.0).unwrap_or(500.0),
124            peq_bands: config.peq_bands.unwrap_or(16),
125        }
126    }
127}