🔃 Refactor AudioFilters
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DevAndromeda
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1 changed files with 101 additions and 110 deletions
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@ -2,115 +2,106 @@ import { FiltersName } from "../types/types";
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const bass = (g: number) => `bass=g=${g}:f=110:w=0.3`;
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/**
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* The available audio filters
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* @typedef {object} AudioFilters
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* @property {string} bassboost_low The bassboost filter (+15dB)
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* @property {string} bassboost The bassboost filter (+20dB)
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* @property {string} bassboost_high The bassboost filter (+30dB)
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* @property {string} 8D The 8D filter
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* @property {string} vaporwave The vaporwave filter
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* @property {string} nightcore The nightcore filter
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* @property {string} phaser The phaser filter
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* @property {string} tremolo The tremolo filter
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* @property {string} vibrato The vibrato filter
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* @property {string} reverse The reverse filter
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* @property {string} treble The treble filter
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* @property {string} normalizer The normalizer filter (dynamic audio normalizer based)
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* @property {string} normalizer2 The normalizer filter (audio compressor based)
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* @property {string} surrounding The surrounding filter
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* @property {string} pulsator The pulsator filter
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* @property {string} subboost The subboost filter
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* @property {string} karaoke The kakaoke filter
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* @property {string} flanger The flanger filter
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* @property {string} gate The gate filter
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* @property {string} haas The haas filter
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* @property {string} mcompand The mcompand filter
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* @property {string} mono The mono filter
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* @property {string} mstlr The mstlr filter
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* @property {string} mstrr The mstrr filter
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* @property {string} compressor The compressor filter
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* @property {string} expander The expander filter
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* @property {string} softlimiter The softlimiter filter
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* @property {string} chorus The chorus filter
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* @property {string} chorus2d The chorus2d filter
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* @property {string} chorus3d The chorus3d filter
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* @property {string} fadein The fadein filter
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* @property {string} dim The dim filter
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* @property {string} earrape The earrape filter
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*/
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const FilterList = {
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bassboost_low: bass(15),
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bassboost: bass(20),
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bassboost_high: bass(30),
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"8D": "apulsator=hz=0.09",
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vaporwave: "aresample=48000,asetrate=48000*0.8",
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nightcore: "aresample=48000,asetrate=48000*1.25",
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phaser: "aphaser=in_gain=0.4",
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tremolo: "tremolo",
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vibrato: "vibrato=f=6.5",
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reverse: "areverse",
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treble: "treble=g=5",
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normalizer2: "dynaudnorm=g=101",
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normalizer: "acompressor",
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surrounding: "surround",
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pulsator: "apulsator=hz=1",
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subboost: "asubboost",
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karaoke: "stereotools=mlev=0.03",
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flanger: "flanger",
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gate: "agate",
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haas: "haas",
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mcompand: "mcompand",
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mono: "pan=mono|c0=.5*c0+.5*c1",
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mstlr: "stereotools=mode=ms>lr",
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mstrr: "stereotools=mode=ms>rr",
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compressor: "compand=points=-80/-105|-62/-80|-15.4/-15.4|0/-12|20/-7.6",
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expander: "compand=attacks=0:points=-80/-169|-54/-80|-49.5/-64.6|-41.1/-41.1|-25.8/-15|-10.8/-4.5|0/0|20/8.3",
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softlimiter: "compand=attacks=0:points=-80/-80|-12.4/-12.4|-6/-8|0/-6.8|20/-2.8",
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chorus: "chorus=0.7:0.9:55:0.4:0.25:2",
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chorus2d: "chorus=0.6:0.9:50|60:0.4|0.32:0.25|0.4:2|1.3",
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chorus3d: "chorus=0.5:0.9:50|60|40:0.4|0.32|0.3:0.25|0.4|0.3:2|2.3|1.3",
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fadein: "afade=t=in:ss=0:d=10",
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dim: `afftfilt="'real=re * (1-clip((b/nb)*b,0,1))':imag='im * (1-clip((b/nb)*b,0,1))'"`,
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earrape: "channelsplit,sidechaingate=level_in=64",
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*[Symbol.iterator](): IterableIterator<{ name: FiltersName; value: string }> {
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for (const [k, v] of Object.entries(this)) {
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if (typeof this[k as FiltersName] === "string") yield { name: k as FiltersName, value: v as string };
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}
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},
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get names() {
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return Object.keys(this).filter((p) => !["names", "length"].includes(p) && typeof this[p as FiltersName] !== "function") as FiltersName[];
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},
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get length() {
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return Object.keys(this).filter((p) => !["names", "length"].includes(p) && typeof this[p as FiltersName] !== "function").length;
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},
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toString() {
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return this.names.map((m) => (this as any)[m]).join(","); // eslint-disable-line @typescript-eslint/no-explicit-any
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},
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create(filter?: FiltersName[]): string {
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if (!filter || !Array.isArray(filter)) return this.toString();
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return filter
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.filter((predicate) => typeof predicate === "string")
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.map((m) => this[m])
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.join(",");
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},
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define(filterName: string, value: string): void {
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if (typeof this[filterName as FiltersName] && typeof this[filterName as FiltersName] === "function") return;
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this[filterName as FiltersName] = value;
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},
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defineBulk(filterArray: { name: string; value: string }[]): void {
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filterArray.forEach((arr) => this.define(arr.name, arr.value));
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class AudioFilters {
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public constructor() {
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return AudioFilters;
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}
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};
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export default FilterList;
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export { FilterList as AudioFilters };
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public static get filters(): Record<FiltersName, string> {
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return {
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bassboost_low: bass(15),
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bassboost: bass(20),
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bassboost_high: bass(30),
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"8D": "apulsator=hz=0.09",
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vaporwave: "aresample=48000,asetrate=48000*0.8",
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nightcore: "aresample=48000,asetrate=48000*1.25",
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phaser: "aphaser=in_gain=0.4",
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tremolo: "tremolo",
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vibrato: "vibrato=f=6.5",
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reverse: "areverse",
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treble: "treble=g=5",
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normalizer2: "dynaudnorm=g=101",
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normalizer: "acompressor",
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surrounding: "surround",
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pulsator: "apulsator=hz=1",
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subboost: "asubboost",
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karaoke: "stereotools=mlev=0.03",
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flanger: "flanger",
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gate: "agate",
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haas: "haas",
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mcompand: "mcompand",
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mono: "pan=mono|c0=.5*c0+.5*c1",
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mstlr: "stereotools=mode=ms>lr",
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mstrr: "stereotools=mode=ms>rr",
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compressor: "compand=points=-80/-105|-62/-80|-15.4/-15.4|0/-12|20/-7.6",
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expander: "compand=attacks=0:points=-80/-169|-54/-80|-49.5/-64.6|-41.1/-41.1|-25.8/-15|-10.8/-4.5|0/0|20/8.3",
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softlimiter: "compand=attacks=0:points=-80/-80|-12.4/-12.4|-6/-8|0/-6.8|20/-2.8",
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chorus: "chorus=0.7:0.9:55:0.4:0.25:2",
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chorus2d: "chorus=0.6:0.9:50|60:0.4|0.32:0.25|0.4:2|1.3",
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chorus3d: "chorus=0.5:0.9:50|60|40:0.4|0.32|0.3:0.25|0.4|0.3:2|2.3|1.3",
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fadein: "afade=t=in:ss=0:d=10",
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dim: `afftfilt="'real=re * (1-clip((b/nb)*b,0,1))':imag='im * (1-clip((b/nb)*b,0,1))'"`,
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earrape: "channelsplit,sidechaingate=level_in=64"
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};
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}
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public static get<K extends FiltersName>(name: K) {
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return this.filters[name];
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}
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public static has<K extends FiltersName>(name: K) {
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return name in this.filters;
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}
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public static *[Symbol.iterator](): IterableIterator<{ name: FiltersName; value: string }> {
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for (const [k, v] of Object.entries(this)) {
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if (typeof this.filters[k as FiltersName] === "string") yield { name: k as FiltersName, value: v as string };
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}
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}
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public static get names() {
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return Object.keys(this).filter((p) => !["names", "length"].includes(p) && typeof this.filters[p as FiltersName] !== "function") as FiltersName[];
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}
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// @ts-expect-error AudioFilters.length
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public static get length() {
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return Object.keys(this).filter((p) => !["names", "length"].includes(p) && typeof this.filters[p as FiltersName] !== "function").length;
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}
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public static toString() {
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return this.names.map((m) => (this as any)[m]).join(","); // eslint-disable-line @typescript-eslint/no-explicit-any
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}
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/**
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* Create ffmpeg args from the specified filters name
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* @param filter The filter name
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* @returns
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*/
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public static create(filters?: FiltersName[]) {
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if (!filters || !Array.isArray(filters)) return this.toString();
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return filters
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.filter((predicate) => typeof predicate === "string")
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.map((m) => this.get(m))
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.join(",");
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}
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/**
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* Defines audio filter
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* @param filterName The name of the filter
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* @param value The ffmpeg args
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*/
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public static define(filterName: string, value: string) {
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this.filters[filterName as FiltersName] = value;
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}
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/**
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* Defines multiple audio filters
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* @param filtersArray Array of filters containing the filter name and ffmpeg args
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*/
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public static defineBulk(filtersArray: { name: string; value: string }[]) {
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filtersArray.forEach((arr) => this.define(arr.name, arr.value));
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}
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}
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export default AudioFilters;
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export { AudioFilters };
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