Add browser call-in page and update host dashboard for browser callers
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
@@ -874,31 +874,31 @@ function renderQueue(queue) {
|
||||
const waitStr = mins > 0 ? `${mins}m ${secs}s` : `${secs}s`;
|
||||
return `
|
||||
<div class="queue-item">
|
||||
<span class="queue-phone">${caller.phone}</span>
|
||||
<span class="queue-name">${caller.name}</span>
|
||||
<span class="queue-wait">waiting ${waitStr}</span>
|
||||
<button class="queue-take-btn" onclick="takeCall('${caller.call_sid}')">Take Call</button>
|
||||
<button class="queue-drop-btn" onclick="dropCall('${caller.call_sid}')">Drop</button>
|
||||
<button class="queue-take-btn" onclick="takeCall('${caller.caller_id}')">Take Call</button>
|
||||
<button class="queue-drop-btn" onclick="dropCall('${caller.caller_id}')">Drop</button>
|
||||
</div>
|
||||
`;
|
||||
}).join('');
|
||||
}
|
||||
|
||||
async function takeCall(callSid) {
|
||||
async function takeCall(callerId) {
|
||||
try {
|
||||
const res = await fetch(`/api/queue/take/${callSid}`, { method: 'POST' });
|
||||
const res = await fetch(`/api/queue/take/${callerId}`, { method: 'POST' });
|
||||
const data = await res.json();
|
||||
if (data.status === 'on_air') {
|
||||
showRealCaller(data.caller);
|
||||
log(`${data.caller.name} (${data.caller.phone}) is on air — Channel ${data.caller.channel}`);
|
||||
log(`${data.caller.name} is on air — Channel ${data.caller.channel}`);
|
||||
}
|
||||
} catch (err) {
|
||||
log('Failed to take call: ' + err.message);
|
||||
}
|
||||
}
|
||||
|
||||
async function dropCall(callSid) {
|
||||
async function dropCall(callerId) {
|
||||
try {
|
||||
await fetch(`/api/queue/drop/${callSid}`, { method: 'POST' });
|
||||
await fetch(`/api/queue/drop/${callerId}`, { method: 'POST' });
|
||||
fetchQueue();
|
||||
} catch (err) {
|
||||
log('Failed to drop call: ' + err.message);
|
||||
@@ -932,7 +932,7 @@ function updateActiveCallIndicator() {
|
||||
function showRealCaller(callerInfo) {
|
||||
const nameEl = document.getElementById('real-caller-name');
|
||||
const chEl = document.getElementById('real-caller-channel');
|
||||
if (nameEl) nameEl.textContent = `${callerInfo.name} (${callerInfo.phone})`;
|
||||
if (nameEl) nameEl.textContent = callerInfo.name;
|
||||
if (chEl) chEl.textContent = `Ch ${callerInfo.channel}`;
|
||||
|
||||
document.getElementById('real-caller-info')?.classList.remove('hidden');
|
||||
|
||||
232
frontend/js/call-in.js
Normal file
232
frontend/js/call-in.js
Normal file
@@ -0,0 +1,232 @@
|
||||
/**
|
||||
* Call-In Page — Browser WebSocket audio streaming
|
||||
* Captures mic via AudioWorklet, sends Int16 PCM 16kHz mono over WebSocket.
|
||||
* Receives Int16 PCM 16kHz mono back for playback.
|
||||
*/
|
||||
|
||||
let ws = null;
|
||||
let audioCtx = null;
|
||||
let micStream = null;
|
||||
let workletNode = null;
|
||||
let nextPlayTime = 0;
|
||||
let callerId = null;
|
||||
|
||||
const callBtn = document.getElementById('call-btn');
|
||||
const hangupBtn = document.getElementById('hangup-btn');
|
||||
const statusEl = document.getElementById('status');
|
||||
const statusText = document.getElementById('status-text');
|
||||
const nameInput = document.getElementById('caller-name');
|
||||
const micMeter = document.getElementById('mic-meter');
|
||||
const micMeterFill = document.getElementById('mic-meter-fill');
|
||||
|
||||
callBtn.addEventListener('click', startCall);
|
||||
hangupBtn.addEventListener('click', hangUp);
|
||||
nameInput.addEventListener('keydown', e => {
|
||||
if (e.key === 'Enter') startCall();
|
||||
});
|
||||
|
||||
async function startCall() {
|
||||
const name = nameInput.value.trim() || 'Anonymous';
|
||||
callBtn.disabled = true;
|
||||
setStatus('Connecting...', false);
|
||||
|
||||
try {
|
||||
// Get mic access
|
||||
micStream = await navigator.mediaDevices.getUserMedia({
|
||||
audio: { echoCancellation: true, noiseSuppression: true, sampleRate: 16000 }
|
||||
});
|
||||
|
||||
// Set up AudioContext
|
||||
audioCtx = new AudioContext({ sampleRate: 48000 });
|
||||
|
||||
// Register worklet processor inline via blob
|
||||
const processorCode = `
|
||||
class CallerProcessor extends AudioWorkletProcessor {
|
||||
constructor() {
|
||||
super();
|
||||
this.buffer = [];
|
||||
this.targetSamples = 4096; // ~256ms at 16kHz
|
||||
}
|
||||
process(inputs) {
|
||||
const input = inputs[0][0];
|
||||
if (!input) return true;
|
||||
|
||||
// Downsample from sampleRate to 16000
|
||||
const ratio = sampleRate / 16000;
|
||||
for (let i = 0; i < input.length; i += ratio) {
|
||||
const idx = Math.floor(i);
|
||||
if (idx < input.length) {
|
||||
this.buffer.push(input[idx]);
|
||||
}
|
||||
}
|
||||
|
||||
if (this.buffer.length >= this.targetSamples) {
|
||||
const chunk = this.buffer.splice(0, this.targetSamples);
|
||||
const int16 = new Int16Array(chunk.length);
|
||||
for (let i = 0; i < chunk.length; i++) {
|
||||
const s = Math.max(-1, Math.min(1, chunk[i]));
|
||||
int16[i] = s < 0 ? s * 32768 : s * 32767;
|
||||
}
|
||||
this.port.postMessage(int16.buffer, [int16.buffer]);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
}
|
||||
registerProcessor('caller-processor', CallerProcessor);
|
||||
`;
|
||||
const blob = new Blob([processorCode], { type: 'application/javascript' });
|
||||
const blobUrl = URL.createObjectURL(blob);
|
||||
await audioCtx.audioWorklet.addModule(blobUrl);
|
||||
URL.revokeObjectURL(blobUrl);
|
||||
|
||||
// Connect mic to worklet
|
||||
const source = audioCtx.createMediaStreamSource(micStream);
|
||||
workletNode = new AudioWorkletNode(audioCtx, 'caller-processor');
|
||||
|
||||
// Connect WebSocket
|
||||
const proto = location.protocol === 'https:' ? 'wss:' : 'ws:';
|
||||
ws = new WebSocket(`${proto}//${location.host}/api/caller/stream`);
|
||||
ws.binaryType = 'arraybuffer';
|
||||
|
||||
ws.onopen = () => {
|
||||
ws.send(JSON.stringify({ type: 'join', name }));
|
||||
};
|
||||
|
||||
ws.onmessage = (event) => {
|
||||
if (typeof event.data === 'string') {
|
||||
handleControlMessage(JSON.parse(event.data));
|
||||
} else {
|
||||
handleAudioData(event.data);
|
||||
}
|
||||
};
|
||||
|
||||
ws.onclose = () => {
|
||||
setStatus('Disconnected', false);
|
||||
cleanup();
|
||||
};
|
||||
|
||||
ws.onerror = () => {
|
||||
setStatus('Connection error', false);
|
||||
cleanup();
|
||||
};
|
||||
|
||||
// Forward mic audio to WebSocket
|
||||
workletNode.port.onmessage = (e) => {
|
||||
if (ws && ws.readyState === WebSocket.OPEN) {
|
||||
ws.send(e.data);
|
||||
}
|
||||
};
|
||||
|
||||
source.connect(workletNode);
|
||||
// Don't connect worklet to destination — we don't want to hear our own mic
|
||||
|
||||
// Show mic meter
|
||||
const analyser = audioCtx.createAnalyser();
|
||||
analyser.fftSize = 256;
|
||||
source.connect(analyser);
|
||||
startMicMeter(analyser);
|
||||
|
||||
// UI
|
||||
nameInput.disabled = true;
|
||||
hangupBtn.style.display = 'block';
|
||||
|
||||
} catch (err) {
|
||||
console.error('Call error:', err);
|
||||
setStatus('Failed: ' + err.message, false);
|
||||
callBtn.disabled = false;
|
||||
cleanup();
|
||||
}
|
||||
}
|
||||
|
||||
function handleControlMessage(msg) {
|
||||
if (msg.status === 'queued') {
|
||||
callerId = msg.caller_id;
|
||||
setStatus(`Waiting in queue (position ${msg.position})...`, false);
|
||||
} else if (msg.status === 'on_air') {
|
||||
setStatus('ON AIR', true);
|
||||
nextPlayTime = audioCtx.currentTime;
|
||||
} else if (msg.status === 'disconnected') {
|
||||
setStatus('Disconnected', false);
|
||||
cleanup();
|
||||
}
|
||||
}
|
||||
|
||||
function handleAudioData(buffer) {
|
||||
if (!audioCtx) return;
|
||||
|
||||
const int16 = new Int16Array(buffer);
|
||||
const float32 = new Float32Array(int16.length);
|
||||
for (let i = 0; i < int16.length; i++) {
|
||||
float32[i] = int16[i] / 32768;
|
||||
}
|
||||
|
||||
const audioBuf = audioCtx.createBuffer(1, float32.length, 16000);
|
||||
audioBuf.copyToChannel(float32, 0);
|
||||
|
||||
const source = audioCtx.createBufferSource();
|
||||
source.buffer = audioBuf;
|
||||
source.connect(audioCtx.destination);
|
||||
|
||||
const now = audioCtx.currentTime;
|
||||
if (nextPlayTime < now) {
|
||||
nextPlayTime = now;
|
||||
}
|
||||
source.start(nextPlayTime);
|
||||
nextPlayTime += audioBuf.duration;
|
||||
}
|
||||
|
||||
function hangUp() {
|
||||
if (ws && ws.readyState === WebSocket.OPEN) {
|
||||
ws.close();
|
||||
}
|
||||
setStatus('Disconnected', false);
|
||||
cleanup();
|
||||
}
|
||||
|
||||
function cleanup() {
|
||||
if (workletNode) {
|
||||
workletNode.disconnect();
|
||||
workletNode = null;
|
||||
}
|
||||
if (micStream) {
|
||||
micStream.getTracks().forEach(t => t.stop());
|
||||
micStream = null;
|
||||
}
|
||||
if (audioCtx) {
|
||||
audioCtx.close().catch(() => {});
|
||||
audioCtx = null;
|
||||
}
|
||||
ws = null;
|
||||
callerId = null;
|
||||
callBtn.disabled = false;
|
||||
nameInput.disabled = false;
|
||||
hangupBtn.style.display = 'none';
|
||||
micMeter.classList.remove('visible');
|
||||
}
|
||||
|
||||
function setStatus(text, isOnAir) {
|
||||
statusEl.classList.add('visible');
|
||||
statusText.textContent = text;
|
||||
if (isOnAir) {
|
||||
statusEl.classList.add('on-air');
|
||||
} else {
|
||||
statusEl.classList.remove('on-air');
|
||||
}
|
||||
}
|
||||
|
||||
function startMicMeter(analyser) {
|
||||
micMeter.classList.add('visible');
|
||||
const data = new Uint8Array(analyser.frequencyBinCount);
|
||||
|
||||
function update() {
|
||||
if (!analyser || !audioCtx) return;
|
||||
analyser.getByteFrequencyData(data);
|
||||
let sum = 0;
|
||||
for (let i = 0; i < data.length; i++) sum += data[i];
|
||||
const avg = sum / data.length;
|
||||
const pct = Math.min(100, (avg / 128) * 100);
|
||||
micMeterFill.style.width = pct + '%';
|
||||
requestAnimationFrame(update);
|
||||
}
|
||||
update();
|
||||
}
|
||||
Reference in New Issue
Block a user