chore: monorepo setup (#7175)

packages/voice/examples/radio-bot/index.js

@@ -0,0 +1,104 @@
+require('module-alias/register');
+
+const { Client } = require('discord.js');
+const prism = require('prism-media');
+const config = require('./config.json');
+const {
+	NoSubscriberBehavior,
+	StreamType,
+	createAudioPlayer,
+	createAudioResource,
+	entersState,
+	AudioPlayerStatus,
+	VoiceConnectionStatus,
+	joinVoiceChannel,
+} = require('@discordjs/voice');
+
+const player = createAudioPlayer({
+	behaviors: {
+		noSubscriber: NoSubscriberBehavior.Play,
+		maxMissedFrames: Math.round(config.maxTransmissionGap / 20),
+	},
+});
+
+player.on('stateChange', (oldState, newState) => {
+	if (oldState.status === AudioPlayerStatus.Idle && newState.status === AudioPlayerStatus.Playing) {
+		console.log('Playing audio output on audio player');
+	} else if (newState.status === AudioPlayerStatus.Idle) {
+		console.log('Playback has stopped. Attempting to restart.');
+		attachRecorder();
+	}
+});
+
+function attachRecorder() {
+	player.play(
+		createAudioResource(
+			new prism.FFmpeg({
+				args: [
+					'-analyzeduration',
+					'0',
+					'-loglevel',
+					'0',
+					'-f',
+					config.type,
+					'-i',
+					config.type === 'dshow' ? `audio=${config.device}` : config.device,
+					'-acodec',
+					'libopus',
+					'-f',
+					'opus',
+					'-ar',
+					'48000',
+					'-ac',
+					'2',
+				],
+			}),
+			{
+				inputType: StreamType.OggOpus,
+			},
+		),
+	);
+	console.log('Attached recorder - ready to go!');
+}
+
+async function connectToChannel(channel) {
+	const connection = joinVoiceChannel({
+		channelId: channel.id,
+		guildId: channel.guild.id,
+		adapterCreator: channel.guild.voiceAdapterCreator,
+	});
+	try {
+		await entersState(connection, VoiceConnectionStatus.Ready, 30_000);
+		return connection;
+	} catch (error) {
+		connection.destroy();
+		throw error;
+	}
+}
+
+const client = new Client({ intents: ['GUILDS', 'GUILD_MESSAGES', 'GUILD_VOICE_STATES'] });
+
+client.on('ready', async () => {
+	console.log('discord.js client is ready!');
+	attachRecorder();
+});
+
+client.on('messageCreate', async (message) => {
+	if (!message.guild) return;
+	if (message.content === '-join') {
+		const channel = message.member?.voice.channel;
+		if (channel) {
+			try {
+				const connection = await connectToChannel(channel);
+				connection.subscribe(player);
+				await message.reply('Playing now!');
+			} catch (error) {
+				console.error(error);
+			}
+		} else {
+			await message.reply('Join a voice channel then try again!');
+		}
+	}
+});
+
+void client.login(config.token);