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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 rc_bands: Vec<(f64, f64)>,
35    pub peq_bands: usize,
36}
37
38impl Setup {
39    pub fn new(config: &EngineConfig) -> Self {
40        let sub_manual: Vec<_> = config
41            .sub_manual
42            .iter()
43            .filter(|(r, _)| config.subs.contains(r))
44            .cloned()
45            .collect();
46        let mut sub_filters: Vec<_> = sub_manual
47            .iter()
48            .filter_map(|(r, m)| {
49                let peq: Vec<_> = m.peq.iter().copied().filter(|b| b.2 != 0.0).collect();
50                (m.hp_hz > 0.0 || m.lp_hz > 0.0 || !peq.is_empty()).then(|| {
51                    (
52                        r.clone(),
53                        SubFilter {
54                            hp_hz: m.hp_hz,
55                            hp_type: m.hp_type,
56                            lp_hz: m.lp_hz,
57                            lp_type: m.lp_type,
58                            peq,
59                        },
60                    )
61                })
62            })
63            .collect();
64        let mut layouts = Vec::new();
65        for (name, layout) in &config.bundle_layouts {
66            let members: Vec<_> = config
67                .subs
68                .iter()
69                .filter(|r| {
70                    sub_manual.iter().any(|(role, m)| {
71                        role == *r
72                            && m.mode == SubMode::Bundle
73                            && (if m.bundle.is_empty() { "A" } else { &m.bundle }) == name
74                    })
75                })
76                .cloned()
77                .collect();
78            let Some(first) = members.first() else {
79                continue;
80            };
81            let lead = sub_filters
82                .iter()
83                .find(|(r, _)| r == first)
84                .map(|(_, f)| f.clone());
85            for r in &members[1..] {
86                if let Some(filter) = &lead {
87                    if let Some((_, value)) = sub_filters.iter_mut().find(|(role, _)| role == r) {
88                        *value = filter.clone();
89                    } else {
90                        sub_filters.push((r.clone(), filter.clone()));
91                    }
92                } else {
93                    sub_filters.retain(|(role, _)| role != r);
94                }
95            }
96            layouts.push((
97                name.clone(),
98                Layout {
99                    kind: layout.kind,
100                    rear_trim_ms: layout.rear_trim_ms,
101                    members,
102                },
103            ));
104        }
105        let cap_ms = 0.7 * config.taps as f64 / SR_F * 1000.0;
106        let capped = config.lift_ms > cap_ms;
107        let lift_ms = if capped { cap_ms } else { config.lift_ms };
108        let max_latency_ms = config.max_latency_ms.map_or(lift_ms + 15.0, |v| {
109            if capped {
110                v - (config.lift_ms - cap_ms)
111            } else {
112                v
113            }
114        });
115        Self {
116            sub_manual,
117            sub_filters,
118            layouts,
119            lift_ms,
120            lift_capped_from_ms: capped.then_some(config.lift_ms),
121            max_latency_ms,
122            rc_lo: config.rc_range.0,
123            rc_hi_manual: config.rc_range.1,
124            rc_hi: config.rc_range.1.filter(|v| *v != 0.0).unwrap_or(500.0),
125            rc_bands: config.rc_bands.clone(),
126            peq_bands: config.peq_bands.unwrap_or(16),
127        }
128    }
129}