42 lines
1.2 KiB
TypeScript
42 lines
1.2 KiB
TypeScript
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import { getFilterType } from "@/lib/peqAudio";
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import type { PeqFilter, PeqState } from "@/lib/luxsinApi";
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import type { EqBand } from "./types";
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export function cloneBands(source: EqBand[]) {
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return source.map((band) => ({ ...band }));
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}
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export function buildPeqCatalogSyncKey(
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remote: Pick<PeqState, "peq" | "peqSelect"> | null | undefined,
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devicePeqSelect?: number,
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): string {
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const items = remote?.peq;
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if (!items?.length) return items ? "empty" : "";
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const select = devicePeqSelect ?? remote?.peqSelect ?? 0;
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return `${select}|${items.map((p) => p.name).join("\u0001")}`;
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}
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export function getUniquePresetName(base: string, existingNames: string[]) {
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if (!existingNames.includes(base)) return base;
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let index = 1;
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while (existingNames.includes(`${base}_${index}`)) {
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index += 1;
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}
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return `${base}_${index}`;
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}
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/** UI band row → device `PeqFilter` (fc + numeric type), same as legacy `getFilterVal` mapping via `getFilterType`. */
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export function bandToPeqFilter(b: {
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freq: number;
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gain: number;
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q: number;
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type: string | number;
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}): PeqFilter {
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return {
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fc: b.freq,
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gain: b.gain,
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q: b.q,
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type: getFilterType(b.type),
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};
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}
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