Switching to direct encoding (RPi4)

Client/controllers/audioController.js

@@ -50,7 +50,7 @@ async function createAudioInstance() {
     // Create an instance of AudioIO with outOptions (defaults are as below), which will return a WritableStream
     return new alsaInstance({        
         channels: 2,
-        format: "S16_BE",
+        format: "U8",
         rate: 48000,
         device: selectedDevice.name ?? "default",  // Omit the deviceId to select the default device
         periodSize: 100,  //(48000 / 1000) * 20, //(48000 * 16 * 2) / 1000 * 20 // (48000 * (16 / 8) * 2) / 60 / 1000 * 20  //0.025 * 48000 / 2

Client/controllers/commandController.js

@@ -3,13 +3,14 @@ const { DebugBuilder } = require("../utilities/debugBuilder.js");
 const log = new DebugBuilder("client-bot", "commandController");
 // Modules
 const { joinVoiceChannel, VoiceConnectionStatus, getVoiceConnection } = require("@discordjs/voice");
-const { OpusEncoder } = require("@discordjs/opus");
+//const { OpusEncoder } = require("@discordjs/opus");
 // Utilities
 const {replyToInteraction} = require("../utilities/messageHandler.js");
 const {createAudioInstance} = require("../controllers/audioController.js");
+const { encode } = require("../utilities/arm64-linux.node");
 
 // Declare the encoder
-const encoder = new OpusEncoder(48000, 2);
+//const encoder = new OpusEncoder(48000, 2);
 
 /**
  * Join the specified voice channel
@@ -42,8 +43,9 @@ exports.join = async function join({interaction= undefined, guildID= undefined,
     const audioInstance = await createAudioInstance();
 
     audioInstance.on('audio', (buffer) => {
+        buffer = Buffer.from(buffer);
         log.DEBUG("Audio buffer: ", buffer);
-        const encoded = encoder.encode(buffer);
+        const encoded = encode(buffer);
         log.DEBUG("Encoded packet: ", encoded);
         // TODO Add a function here to check the volume of either buffer and only play audio to discord when there is audio to be played
         voiceConnection.playOpusPacket(encoded);