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Load layouts and optional features from staged asset caches

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This commit is contained in:
Jonathan Sykes
2026-10-08 01:29:50 +08:00
parent d98d444552
commit 5d6a1545df
30 changed files with 512 additions and 146 deletions
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19
frontend/eq-core.js
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@@ -1,24 +1,7 @@
/* Shared live/offline EQ definitions and legacy curve migration. */
(function(root) {
'use strict';
const frequencies = [31,62,125,250,500,1000,2000,4000,8000,16000];
const bands = frequencies.map((f,i) => ({ f, label: f >= 1000 ? `${f/1000}k` : String(f), type: i === 0 ? 'lowshelf' : i === 9 ? 'highshelf' : 'peaking' }));
const clamp = n => Math.max(-12, Math.min(12, Number(n) || 0));
function migrate(values) {
if (!Array.isArray(values)) return frequencies.map(() => 0);
if (values.length !== 5) return frequencies.map((_,i) => clamp(values[i]));
const old = [60,250,1000,4000,12000], curve = values.map(clamp);
return frequencies.map(f => { if (f <= old[0]) return curve[0]; if (f >= old[4]) return curve[4]; const i = old.findIndex(x => x >= f), weight = Math.log(f / old[i-1]) / Math.log(old[i] / old[i-1]); return Math.round((curve[i-1] * (1-weight) + curve[i] * weight) * 10) / 10; });
}
const presets = {
flat: { name: 'Flat', g: frequencies.map(() => 0) },
bass: { name: 'Bass boost', g: [5,7,5,3,1,0,0,0,0,0] },
vocal: { name: 'Vocal clarity', g: [-3,-4,-2,0,1,2,3,4,1,0] },
acoustic: { name: 'Acoustic live', g: [-2,-1,0,-2,-1,1,2,2,1,0] },
classical: { name: 'Classical', g: migrate([4,2,-1,1,3]) },
treble: { name: 'Treble boost', g: [0,0,0,0,0,0,1,3,5,6] },
};
const width = value => Math.max(0, Math.min(100, Number(value) || 0));
const { bands, presets, migrate, width } = typeof module !== 'undefined' ? require('./eq-parameters') : root.EqParameters;
function createWidener(context, source, value = 0) {
const splitter = context.createChannelSplitter(2), output = context.createChannelMerger(2), delay = context.createDelay(.05);
source.connect(splitter); splitter.connect(output, 0, 0); splitter.connect(delay, 1); delay.connect(output, 0, 1);