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feat: add audio filter feature (#1105)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| import { inVC, sameVC, validVC } from "../../utils/decorators/MusicUtil"; | ||
| import { CommandContext } from "../../structures/CommandContext"; | ||
| import { createEmbed } from "../../utils/functions/createEmbed"; | ||
| import { BaseCommand } from "../../structures/BaseCommand"; | ||
| import { Command } from "../../utils/decorators/Command"; | ||
| import { filterArgs } from "../../utils/functions/ffmpegArgs"; | ||
| import i18n from "../../config"; | ||
| import { ApplicationCommandOptionType, Message } from "discord.js"; | ||
|
|
||
| type FilterSubCmd = "disable" | "enable" | "status"; | ||
|
|
||
| const slashFilterChoices = Object.keys(filterArgs).map(x => ({ name: x, value: x })); | ||
|
|
||
| @Command({ | ||
| aliases: [], | ||
| description: i18n.__("commands.music.filter.description"), | ||
| name: "filter", | ||
| slash: { | ||
| options: [ | ||
| { | ||
| description: i18n.__mf("commands.music.filter.slashStateDescription", { | ||
| state: "enable" | ||
| }), | ||
| name: "enable", | ||
| options: [ | ||
| { | ||
| choices: slashFilterChoices, | ||
| description: i18n.__mf("commands.music.filter.slashStateFilterDescription", { | ||
| state: "enable" | ||
| }), | ||
| name: "filter", | ||
| required: true, | ||
| type: ApplicationCommandOptionType.String | ||
| } | ||
| ], | ||
| type: ApplicationCommandOptionType.Subcommand | ||
| }, | ||
| { | ||
| description: i18n.__mf("commands.music.filter.slashStateDescription", { | ||
| state: "disable" | ||
| }), | ||
| name: "disable", | ||
| options: [ | ||
| { | ||
| choices: slashFilterChoices, | ||
| description: i18n.__("commands.music.filter.slashStateFilterDescription", { | ||
| state: "disable" | ||
| }), | ||
| name: "filter", | ||
| required: true, | ||
| type: ApplicationCommandOptionType.String | ||
| } | ||
| ], | ||
| type: ApplicationCommandOptionType.Subcommand | ||
| }, | ||
| { | ||
| description: i18n.__("commands.music.filter.slashStatusDescription"), | ||
| name: "status", | ||
| options: [ | ||
| { | ||
| choices: slashFilterChoices, | ||
| description: i18n.__("commands.music.filter.slashStatusFilterDescription"), | ||
| name: "filter", | ||
| required: false, | ||
| type: ApplicationCommandOptionType.String | ||
| } | ||
| ], | ||
| type: ApplicationCommandOptionType.Subcommand | ||
| } | ||
| ] | ||
| }, | ||
| usage: "{prefix}filter" | ||
| }) | ||
| export class FilterCommand extends BaseCommand { | ||
| @inVC | ||
| @validVC | ||
| @sameVC | ||
| public execute(ctx: CommandContext): Promise<Message> { | ||
| const mode: Record<string, FilterSubCmd> = { | ||
| on: "enable", | ||
| off: "disable", | ||
| enable: "enable", | ||
| disable: "disable", | ||
| stats: "status", | ||
| status: "status" | ||
| } | ||
| const subcmd = mode[ | ||
| ( | ||
| ctx.options?.getSubcommand() ?? | ||
| ctx.args[0] as string | undefined | ||
| )?.toLowerCase() as unknown as string | ||
| ] as FilterSubCmd | undefined; | ||
| const filter = (ctx.options?.getString("filter") ?? ctx.args[subcmd ? 1 : 0] as string | undefined)?.toLowerCase() as keyof typeof filterArgs; | ||
| if (subcmd === "enable" || subcmd === "disable") { | ||
| if (!filterArgs[filter]) { | ||
| return ctx.reply({ | ||
| embeds: [createEmbed("error", i18n.__("commands.music.filter.specifyFilter"))] | ||
| }); | ||
| } | ||
|
|
||
| ctx.guild?.queue?.setFilter(filter, subcmd === "enable"); | ||
| return ctx.reply({ | ||
| embeds: [ | ||
| createEmbed("info", i18n.__mf("commands.music.filter.filterSet", { | ||
| filter, | ||
| state: subcmd === "enable" ? "ENABLED" : "DISABLED" | ||
| })) | ||
| ] | ||
| }); | ||
| } | ||
|
|
||
| if (filterArgs[filter]) { | ||
| return ctx.reply({ | ||
| embeds: [ | ||
| createEmbed("info", i18n.__mf("commands.music.filter.currentState", { | ||
| filter, | ||
| state: ctx.guild?.queue?.filters[filter] ? "ENABLED" : "DISABLED" | ||
| })) | ||
| .setFooter({ | ||
| text: i18n.__mf("commands.music.filter.embedFooter", { | ||
| filter, | ||
| opstate: ctx.guild?.queue?.filters[filter] ? "disable" : "enable", | ||
| prefix: ctx.isCommand() ? "/" : this.client.config.mainPrefix | ||
| }) | ||
| }) | ||
| ] | ||
| }); | ||
| } | ||
|
|
||
| const keys = Object.keys(filterArgs) as (keyof typeof filterArgs)[] | ||
| return ctx.reply({ | ||
| embeds: [ | ||
| createEmbed("info") | ||
| .addFields( | ||
| { | ||
| name: i18n.__("commands.music.filter.availableFilters"), | ||
| value: keys | ||
| .filter(x => !ctx.guild?.queue?.filters[x]) | ||
| .map(x => `\`${x}\``) | ||
| .join("\n") || "-", | ||
| inline: true | ||
| }, | ||
| { | ||
| name: i18n.__("commands.music.filter.currentlyUsedFilters"), | ||
| value: keys | ||
| .filter(x => ctx.guild?.queue?.filters[x]) | ||
| .map(x => `\`${x}\``) | ||
| .join("\n") || "-", | ||
| inline: true | ||
| } | ||
| ) | ||
| ] | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| export const filterArgs = { | ||
| bassboost: "bass=g=7.5", | ||
| nightcore: "aresample=48000,asetrate=48000*1.25", | ||
| vaporwave: "aresample=48000,asetrate=48000*0.8", | ||
| treble: "treble=g=5", | ||
| "8d": "apulsator=hz=0.08", | ||
| reverse: "areverse", | ||
| surround: "surround", | ||
| haas: "haas", | ||
| phaser: "aphaser=in_gain=0.4", | ||
| gate: "agate", | ||
| mcompand: "mcompand", | ||
| flanger: "flanger", | ||
| tremolo: "tremolo", | ||
| karaoke: "stereotools=mlev=0.1", | ||
| vibrato: "vibrato=f=6.5", | ||
| echo: "aecho=0.8:0.9:1000:0.3" | ||
| } | ||
|
|
||
| export function ffmpegArgs(filters: Record<keyof typeof filterArgs, boolean>): string[] { | ||
| const keys = Object.keys(filters) as (keyof typeof filterArgs)[]; | ||
| return [ | ||
| "-loglevel", "0", | ||
| "-ar", "48000", | ||
| "-ac", "2", | ||
| "-f", "opus", | ||
| "-acodec", "libopus", | ||
| ...( | ||
| keys.some(x => filters[x]) | ||
| ? [ | ||
| "-af", | ||
| keys.reduce<string[]>((p, c) => { | ||
| if (filters[c]) p.push(filterArgs[c]); | ||
| return p; | ||
| }, []).join(",") | ||
| ] : [] | ||
| ) | ||
| ] | ||
| } |
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