Files
wz-phone/crates/wzp-web/static/index.html
Siavash Sameni 38ae62b542 fix: raise drift cap to 1s — stops constant resetting on jittery links
150ms cap was too tight for Iran relay (high jitter), causing constant
audio drops. Raised to 1s — packet bursts are absorbed smoothly,
drift reset only fires on real accumulation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-27 19:41:45 +04:00

219 lines
6.9 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>WarzonePhone</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, sans-serif; background: #1a1a2e; color: #e0e0e0; display: flex; justify-content: center; align-items: center; min-height: 100vh; }
.container { text-align: center; max-width: 400px; padding: 2rem; }
h1 { font-size: 1.5rem; margin-bottom: 0.5rem; color: #00d4ff; }
.subtitle { color: #888; font-size: 0.85rem; margin-bottom: 2rem; }
#callBtn { background: #00d4ff; color: #1a1a2e; border: none; padding: 1rem 3rem; font-size: 1.2rem; border-radius: 50px; cursor: pointer; transition: all 0.2s; }
#callBtn:hover { background: #00b8d4; transform: scale(1.05); }
#callBtn.active { background: #ff4444; color: white; }
#callBtn:disabled { background: #444; color: #888; cursor: not-allowed; }
.status { margin-top: 1.5rem; font-size: 0.9rem; color: #888; min-height: 1.5rem; }
.stats { margin-top: 1rem; font-size: 0.8rem; color: #666; font-family: monospace; }
.level { margin-top: 1rem; height: 6px; background: #333; border-radius: 3px; overflow: hidden; }
.level-bar { height: 100%; background: #00d4ff; width: 0%; transition: width 50ms; }
</style>
</head>
<body>
<div class="container">
<h1>WarzonePhone</h1>
<p class="subtitle">Lossy VoIP Protocol</p>
<button id="callBtn" onclick="toggleCall()">Connect</button>
<div class="level"><div class="level-bar" id="levelBar"></div></div>
<div class="status" id="status"></div>
<div class="stats" id="stats"></div>
</div>
<script>
const SAMPLE_RATE = 48000;
const FRAME_SIZE = 960; // 20ms at 48kHz
let ws = null;
let audioCtx = null;
let mediaStream = null;
let scriptNode = null;
let active = false;
let framesSent = 0;
let framesRecv = 0;
let startTime = 0;
// Playback buffer
let playbackQueue = [];
let isPlaying = false;
function setStatus(msg) { document.getElementById('status').textContent = msg; }
function setStats(msg) { document.getElementById('stats').textContent = msg; }
function toggleCall() {
if (active) { stopCall(); }
else { startCall(); }
}
async function startCall() {
const btn = document.getElementById('callBtn');
btn.disabled = true;
setStatus('Requesting microphone...');
try {
mediaStream = await navigator.mediaDevices.getUserMedia({
audio: { sampleRate: SAMPLE_RATE, channelCount: 1, echoCancellation: true, noiseSuppression: true }
});
} catch(e) {
setStatus('Mic access denied: ' + e.message);
btn.disabled = false;
return;
}
// Connect WebSocket
const proto = location.protocol === 'https:' ? 'wss:' : 'ws:';
const wsUrl = proto + '//' + location.host + '/ws';
setStatus('Connecting to relay...');
ws = new WebSocket(wsUrl);
ws.binaryType = 'arraybuffer';
ws.onopen = () => {
setStatus('Connected — speaking...');
btn.textContent = 'Disconnect';
btn.classList.add('active');
btn.disabled = false;
active = true;
framesSent = 0;
framesRecv = 0;
startTime = Date.now();
startAudioCapture();
startStatsUpdate();
};
ws.onmessage = (event) => {
// Received PCM audio from server (s16le bytes)
const pcmData = new Int16Array(event.data);
framesRecv++;
playAudio(pcmData);
};
ws.onclose = () => {
setStatus('Disconnected');
stopCall();
};
ws.onerror = (e) => {
setStatus('Connection error');
stopCall();
};
}
function stopCall() {
active = false;
const btn = document.getElementById('callBtn');
btn.textContent = 'Connect';
btn.classList.remove('active');
btn.disabled = false;
if (scriptNode) { scriptNode.disconnect(); scriptNode = null; }
if (audioCtx) { audioCtx.close(); audioCtx = null; }
if (mediaStream) { mediaStream.getTracks().forEach(t => t.stop()); mediaStream = null; }
if (ws) { ws.close(); ws = null; }
playbackQueue = [];
setStatus('');
setStats('');
}
function startAudioCapture() {
audioCtx = new AudioContext({ sampleRate: SAMPLE_RATE });
console.log('AudioContext sampleRate:', audioCtx.sampleRate);
setStatus('Connected — mic active (sample rate: ' + audioCtx.sampleRate + 'Hz)');
const source = audioCtx.createMediaStreamSource(mediaStream);
// ScriptProcessorNode requires power-of-2 buffer. We use 1024 and
// accumulate samples, sending exactly FRAME_SIZE (960) chunks.
const CAPTURE_BUF = 1024;
scriptNode = audioCtx.createScriptProcessor(CAPTURE_BUF, 1, 1);
let accumulator = new Float32Array(0);
scriptNode.onaudioprocess = (e) => {
if (!active || !ws || ws.readyState !== WebSocket.OPEN) return;
const input = e.inputBuffer.getChannelData(0);
// Append to accumulator
const newAcc = new Float32Array(accumulator.length + input.length);
newAcc.set(accumulator);
newAcc.set(input, accumulator.length);
accumulator = newAcc;
// Send complete FRAME_SIZE chunks
while (accumulator.length >= FRAME_SIZE) {
const frame = accumulator.slice(0, FRAME_SIZE);
accumulator = accumulator.slice(FRAME_SIZE);
const pcm = new Int16Array(FRAME_SIZE);
for (let i = 0; i < FRAME_SIZE; i++) {
pcm[i] = Math.max(-32768, Math.min(32767, Math.round(frame[i] * 32767)));
}
// Update level meter
let maxVal = 0;
for (let i = 0; i < pcm.length; i++) maxVal = Math.max(maxVal, Math.abs(pcm[i]));
document.getElementById('levelBar').style.width = (maxVal / 32768 * 100) + '%';
ws.send(pcm.buffer);
framesSent++;
}
};
source.connect(scriptNode);
scriptNode.connect(audioCtx.destination);
}
// Scheduled playback with aggressive drift correction
let nextPlayTime = 0;
function playAudio(pcmInt16) {
if (!audioCtx) return;
const floatData = new Float32Array(pcmInt16.length);
for (let i = 0; i < pcmInt16.length; i++) {
floatData[i] = pcmInt16[i] / 32768.0;
}
const buffer = audioCtx.createBuffer(1, floatData.length, SAMPLE_RATE);
buffer.getChannelData(0).set(floatData);
const source = audioCtx.createBufferSource();
source.buffer = buffer;
source.connect(audioCtx.destination);
const now = audioCtx.currentTime;
const drift = nextPlayTime - now;
if (drift < 0) {
// Fell behind — catch up
nextPlayTime = now + 0.02;
} else if (drift > 1.0) {
// More than 1 second ahead — hard reset (real drift)
console.log('drift reset:', drift.toFixed(3) + 's');
nextPlayTime = now + 0.02;
}
source.start(nextPlayTime);
nextPlayTime += buffer.duration;
}
function startStatsUpdate() {
const interval = setInterval(() => {
if (!active) { clearInterval(interval); return; }
const elapsed = ((Date.now() - startTime) / 1000).toFixed(1);
setStats(`${elapsed}s | sent: ${framesSent} | recv: ${framesRecv} | loss: ${framesSent > 0 ? ((1 - framesRecv/framesSent) * 100).toFixed(1) : 0}%`);
}, 1000);
}
</script>
</body>
</html>