STOM = {}; try { CUSTOM = JSON.parse(localStorage.getItem(PKEY) || '{}') || {}; } catch (x) { CUSTOM = {}; }
['master', 'vocals', 'drums', 'bass', 'chords', 'lead'].forEach(function (t) { if (!ST[t] || !ST[t].geq) ST[t] = flat(); });
function persist() { try { localStorage.setItem(KEY, JSON.stringify(ST)); localStorage.setItem(PKEY, JSON.stringify(CUSTOM)); } catch (x) {} }
var stemApi = null; // set by the record module: { list(), get(id) -> eq, set(id, eq), rewire(id) }
function getEq(t) { if (t.indexOf('stem:') === 0) return stemApi && stemApi.getEq(t.slice(5)); return ST[t]; }
function setEq(t, e) { if (t.indexOf('stem:') === 0) { if (stemApi) stemApi.setEq(t.slice(5), e); return; } ST[t] = e; persist(); }
function graphWire(G, t) {
G.eqF = G.eqF || {};
if (t === 'master') G.eqF.master = wire(G.mIn, G.mOut, ST.master, G.eqF.master);
else if (G.lIn && G.lIn[t]) G.eqF[t] = wire(G.lIn[t], G.lOut[t], ST[t], G.eqF[t]);
}
window.ESEQ = { FREQS: FREQS, PRESETS: PRESETS, flat: flat, wire: wire, response: response, applyToBuffer: applyToBuffer, isFlat: isFlat, clone: clone, setStemApi: function (a) { stemApi = a; refreshTargets(); }, refreshTargets: function () { refreshTargets(); } };
(window.ES_HOOKS = window.ES_HOOKS || []).push({ graph: function (G) { ['master', 'vocals', 'drums', 'bass', 'chords', 'lead'].forEach(function (t) { graphWire(G, t); }); } });
// ---- UI
var root = document.getElementById('es-eqp'); if (!root) return;
function $(s) { return root.querySelector(s); }
function esc(s) { return String(s).replace(/[&<>"']/g, function (c) { return { '&': '&', '<': '<', '>': '>', '"': '"', "'": ''' }[c]; }); }
function fLabel(f) { return f >= 1000 ? (f / 1000).toFixed(f % 1000 ? 1 : 0) + 'k' : String(Math.round(f)); }
function f2s(f) { return Math.round(Math.log(f / 20) / Math.log(1000) * 1000); } function s2f(v) { return Math.round(20 * Math.pow(1000, v / 1000)); }
root.innerHTML =
'≋ EQUALIZER GRAPHIC 10-BAND · PARAMETRIC 6-BAND
' +
'' +
'' +
'' +
'' +
'';
var tSel = $('#es-eq-t'), pSel = $('#es-eq-p'), cur = 'master';
function refreshTargets() {
if (!tSel) return; var o = [['master', 'Master'], ['vocals', 'Vocals lane'], ['drums', 'Drums lane'], ['bass', 'Bass lane'], ['chords', 'Chords lane'], ['lead', 'Lead lane']];
if (stemApi) stemApi.list().forEach(function (s) { o.push(['stem:' + s.id, 'Stem: ' + s.name]); });
if (!o.some(function (x) { return x[0] === cur; })) cur = 'master';
tSel.innerHTML = o.map(function (x) { return ''; }).join('');
}
function refreshPresets() { var e = getEq(cur) || flat(); pSel.innerHTML = '' + Object.keys(PRESETS).map(function (k) { return '' + esc(k) + ''; }).join('') + Object.keys(CUSTOM).map(function (k) { return ''; }).join(''); }
function render() {
var e = getEq(cur) || flat(); $('#es-eq-on').checked = !!e.on; refreshPresets();
$('#es-geq').innerHTML = FREQS.map(function (f, i) { return ''; }).join('');
$('#es-peq').innerHTML = e.peq.map(function (b, i) {
return '' +
'' +
'' +
'
';
}).join('');
drawC