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feat: added simple radio effect and left/right panner

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This commit is contained in:
Davide Passoni
2024-12-17 18:51:30 +01:00
parent dbd87d5724
commit 2bbcbc5576
7 changed files with 82 additions and 238 deletions
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219
frontend/server/srs.js
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@@ -1,219 +0,0 @@
const WaveFile = require('wavefile').WaveFile;
var fs = require('fs');
let source = fs.readFileSync('sample3.WAV');
let wav = new WaveFile(source);
let wavBuffer = wav.toBuffer();
const { OpusEncoder } = require('@discordjs/opus');
const encoder = new OpusEncoder(16000, 1);
let fileIndex = 0;
let packetID = 0;
var udp = require("dgram");
var udpClient = udp.createSocket("udp4");
let clientData = {
ClientGuid: "AZi9CkptY0yW_C-3YmI7oQ",
Name: "Olympus",
Seat: 0,
Coalition: 0,
AllowRecord: false,
RadioInfo: {
radios: [
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
{
enc: false,
encKey: 0,
freq: 1.0,
modulation: 3,
secFreq: 1.0,
retransmit: false,
},
],
unit: "",
unitId: 0,
iff: {
control: 2,
mode1: -1,
mode2: -1,
mode3: -1,
mode4: false,
mic: -1,
status: 0,
},
ambient: { vol: 1.0, abType: "" },
},
LatLngPosition: { lat: 0.0, lng: 0.0, alt: 0.0 },
};
var net = require("net");
var tcpClient = new net.Socket();
tcpClient.on("data", function (data) {
console.log("Received: " + data);
});
tcpClient.on("close", function () {
console.log("Connection closed");
});
tcpClient.connect(5002, "localhost", function () {
console.log("Connected");
setTimeout(() => {
let SYNC = {
Client: clientData,
MsgType: 2,
Version: "2.1.0.10",
};
let string = JSON.stringify(SYNC);
tcpClient.write(string + "\n");
setInterval(() => {
let slice = [];
for (let i = 0; i < 16000 * 0.04; i++) {
slice.push(wavBuffer[Math.round(fileIndex) * 2], wavBuffer[Math.round(fileIndex) * 2 + 1]);
fileIndex += 44100 / 16000;
}
const encoded = encoder.encode(new Uint8Array(slice));
let header = [
0, 0,
0, 0,
0, 0
]
let encFrequency = [...doubleToByteArray(251000000)];
let encModulation = [2];
let encEncryption = [0];
let encUnitID = getBytes(100000001, 4);
let encPacketID = getBytes(packetID, 8);
packetID++;
let encHops = [0];
let packet = [].concat(header, [...encoded], encFrequency, encModulation, encEncryption, encUnitID, encPacketID, encHops, [...Buffer.from(clientData.ClientGuid, 'utf-8')], [...Buffer.from(clientData.ClientGuid, 'utf-8')]);
let encPacketLen = getBytes(packet.length, 2);
packet[0] = encPacketLen[0];
packet[1] = encPacketLen[1];
let encAudioLen = getBytes(encoded.length, 2);
packet[2] = encAudioLen[0];
packet[3] = encAudioLen[1];
let frequencyAudioLen = getBytes(10, 2);
packet[4] = frequencyAudioLen[0];
packet[5] = frequencyAudioLen[1];
let data = new Uint8Array(packet);
udpClient.send(data, 5002, "localhost", function (error) {
if (error) {
tcpClient.close();
} else {
console.log("Data sent !!!");
}
});
}, 40);
}, 1000);
});
function getBytes(value, length) {
let res = [];
for (let i = 0; i < length; i++) {
res.push(value & 255);
value = value >> 8;
}
return res;
}
function doubleToByteArray(number) {
var buffer = new ArrayBuffer(8); // JS numbers are 8 bytes long, or 64 bits
var longNum = new Float64Array(buffer); // so equivalent to Float64
longNum[0] = number;
return Array.from(new Uint8Array(buffer));
}