opencoca/audio-recorder-gun.html

## audio-recorder-gun.html
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
    <title>capture microphone audio into buffer</title>
  </head>
  <body>
    <audio id="player" controls></audio>
    <input
      type="text"
      id="username"
      placeholder="enter your username or theirs"
    />
    <button id="recordAudio">Record Audio</button>
    <button id="startAudioStream," onclick="listenToAudioStream()">
      Listen to Recording
    </button>
    <script src="https://cdn.jsdelivr.net/npm/gun/gun.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/gun/sea.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/gun/axe.js"></script>
    <script>
      // var Gun = require('gun'); // in NodeJS
      // var Gun = require('gun/gun'); // in React
      let gun = Gun();

      const player = document.getElementById("player");
      const recordAudio = document.getElementById("recordAudio");
      const audioContext = new AudioContext();

      let base64ToArrayBuffer = function (base64) {
        var binaryString = atob(base64);
        var len = binaryString.length;
        var bytes = new Uint8Array(len);
        for (var I = 0; I < length; I++) {
          bytes[I] = binaryString.charCodeAt(I);
        }
        return bytes.buffer;
      };

      const listenToAudioStream = () => {
        const context = new AudioContext();
        let username = document.getElementById("username").value;

        gun
          .get(username)
          .get("recording")
          .on((data, key) => {
            player.src = `data:audio/ogg;codec=opus;base64,${data}`;
            player.play();
          });
      };

      navigator.mediaDevices
        .getUserMedia({ audio: true })
        .then(function (stream) {
          let recording = false;
          let mediaRecorder = new MediaRecorder(stream);

          recordAudio.addEventListener("click", (event) => {
            if (!recording) {
              recording = true;
              mediaRecorder.start();
              recordAudio.innerText = "Stop";
            } else {
              recording = false;
              mediaRecorder.stop();
              recordAudio.innerText = "Record Audio";
            }
          });

          let chunks = [];

          mediaRecorder.ondataavailable = function (e) {
            chunks.push(e.data);
          };

          mediaRecorder.onstop = function (e) {
            let username = document.getElementById("username").value;

            console.log(username);

            console.log("recorder stopped");

            const blob = new Blob(chunks, { type: "audio/ogg; codecs=opus" });
            chunks = [];

            var reader = new window.FileReader();
            reader.readAsDataURL(blob);
            reader.onloadend = async function () {
              var base64data = reader.result;

              gun.get(username).get("recording").put(base64data.split(',')[1]);
            };
          };
        });
    </script>
  </body>
</html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
	<title>capture microphone audio into buffer</title>
	</head>
	<body>
	<audio id="player" controls></audio>
	<input
	type="text"
	id="username"
	placeholder="enter your username or theirs"
	/>
	<button id="recordAudio">Record Audio</button>
	<button id="startAudioStream," onclick="listenToAudioStream()">
	Listen to Recording
	</button>
	<script src="https://cdn.jsdelivr.net/npm/gun/gun.js"></script>
	<script src="https://cdn.jsdelivr.net/npm/gun/sea.js"></script>
	<script src="https://cdn.jsdelivr.net/npm/gun/axe.js"></script>
	<script>
	// var Gun = require('gun'); // in NodeJS
	// var Gun = require('gun/gun'); // in React
	let gun = Gun();

	const player = document.getElementById("player");
	const recordAudio = document.getElementById("recordAudio");
	const audioContext = new AudioContext();

	let base64ToArrayBuffer = function (base64) {
	var binaryString = atob(base64);
	var len = binaryString.length;
	var bytes = new Uint8Array(len);
	for (var I = 0; I < length; I++) {
	bytes[I] = binaryString.charCodeAt(I);
	}
	return bytes.buffer;
	};

	const listenToAudioStream = () => {
	const context = new AudioContext();
	let username = document.getElementById("username").value;

	gun
	.get(username)
	.get("recording")
	.on((data, key) => {
	player.src = `data:audio/ogg;codec=opus;base64,${data}`;
	player.play();
	});
	};

	navigator.mediaDevices
	.getUserMedia({ audio: true })
	.then(function (stream) {
	let recording = false;
	let mediaRecorder = new MediaRecorder(stream);

	recordAudio.addEventListener("click", (event) => {
	if (!recording) {
	recording = true;
	mediaRecorder.start();
	recordAudio.innerText = "Stop";
	} else {
	recording = false;
	mediaRecorder.stop();
	recordAudio.innerText = "Record Audio";
	}
	});

	let chunks = [];

	mediaRecorder.ondataavailable = function (e) {
	chunks.push(e.data);
	};

	mediaRecorder.onstop = function (e) {
	let username = document.getElementById("username").value;

	console.log(username);

	console.log("recorder stopped");

	const blob = new Blob(chunks, { type: "audio/ogg; codecs=opus" });
	chunks = [];

	var reader = new window.FileReader();
	reader.readAsDataURL(blob);
	reader.onloadend = async function () {
	var base64data = reader.result;

	gun.get(username).get("recording").put(base64data.split(',')[1]);
	};
	};
	});
	</script>
	</body>
	</html>