Audio Filters

await queue.filters.ffmpeg.setFilters(['bassboost']);

await queue.filters.ffmpeg.setFilters([
  'nightcore',
  'bassboost',
  '8D'
]);

// Toggle filters on/off
await queue.filters.ffmpeg.toggle(['vaporwave']);

await queue.filters.ffmpeg.setFilters({
  bassboost: true,
  nightcore: true,
  normalizer: false
});

// Enable all available filters
await queue.filters.ffmpeg.setFilters(true);

// Disable all filters
await queue.filters.ffmpeg.setFilters(false);

// Check if filter is enabled
const isEnabled = queue.filters.ffmpeg.isEnabled('bassboost');

// Check if filter is disabled
const isDisabled = queue.filters.ffmpeg.isDisabled('nightcore');

// Validate filter name
const isValid = queue.filters.ffmpeg.isValidFilter('8D');

// Get list of enabled filters
const enabled = queue.filters.ffmpeg.getFiltersEnabled();
console.log('Enabled:', enabled); // ['bassboost', 'nightcore']

// Get list of disabled filters
const disabled = queue.filters.ffmpeg.getFiltersDisabled();

// Convert to array
const filterArray = queue.filters.ffmpeg.toArray();

// Convert to JSON object
const filterObj = queue.filters.ffmpeg.toJSON();

// Get FFmpeg string
const ffmpegArgs = queue.filters.ffmpeg.toString();

import { AudioFilters } from 'discord-player';

AudioFilters.define('myfilter', 'aecho=0.8:0.9:1000:0.3');

// Use your custom filter
await queue.filters.ffmpeg.setFilters(['myfilter']);

AudioFilters.defineBulk([
  {
    name: 'deepbass',
    value: 'bass=g=25:f=90:w=0.4'
  },
  {
    name: 'crystalclear',
    value: 'acompressor=threshold=0.089:ratio=9:attack=200:release=1000'
  },
  {
    name: 'spacial',
    value: 'aecho=0.8:0.88:60:0.4,chorus=0.5:0.9:50:0.4:0.25:2'
  }
]);

await queue.filters.ffmpeg.setFilters(['deepbass', 'crystalclear']);

// Set filters without triggering replay
queue.filters.ffmpeg.setDefaults(['bassboost', 'normalizer']);

import { AudioFilters } from 'discord-player';

// Get filter FFmpeg value
const filterValue = AudioFilters.get('nightcore');
console.log(filterValue); // 'aresample=48000,asetrate=48000*1.25'

// Check if filter exists
const exists = AudioFilters.has('bassboost');

// Get all filter names
const names = AudioFilters.names;
console.log(names); // ['bassboost_low', 'bassboost', ...]

// Get filter count
console.log(AudioFilters.length); // 40+

// Add custom FFmpeg input arguments
queue.filters.ffmpeg.setInputArgs([
  '-af', 'volume=1.5',
  '-ar', '44100'
]);

// Get current input args
const args = queue.filters.ffmpeg.inputArgs;

// Get encoder args
const encoderArgs = queue.filters.ffmpeg.encoderArgs;

// Get final combined args
const finalArgs = queue.filters.ffmpeg.args;

const allFilters = [
  'bassboost_low',
  'bassboost',
  'bassboost_high',
  '8D',
  'vaporwave',
  'nightcore',
  'phaser',
  'tremolo',
  'vibrato',
  'reverse',
  'treble',
  'normalizer',
  'normalizer2',
  'surrounding',
  'pulsator',
  'subboost',
  'karaoke',
  'flanger',
  'gate',
  'haas',
  'mcompand',
  'mono',
  'mstlr',
  'mstrr',
  'compressor',
  'expander',
  'softlimiter',
  'chorus',
  'chorus2d',
  'chorus3d',
  'fadein',
  'dim',
  'earrape',
  'lofi',
  'silenceremove'
];

queue.on('audioFiltersUpdate', (queue, oldFilters, newFilters) => {
  console.log('Filters changed from:', oldFilters);
  console.log('Filters changed to:', newFilters);
});