直播：转发音频、观众 recv audio、全屏与开声音按钮、后台采集麦克风

Made-with: Cursor

admin/src/utils/liveWebRTC.js

@@ -21,7 +21,7 @@ function humanizeGetUserMediaError(err) {
   const name = err && err.name
   const raw = ((err && err.message) || '').toLowerCase()
   if (name === 'NotAllowedError' || name === 'PermissionDeniedError') {
-    return '已拒绝摄像头权限：在浏览器地址栏左侧允许摄像头，并确认本页为 HTTPS。'
+    return '已拒绝摄像头或麦克风权限：在浏览器地址栏左侧允许摄像头与麦克风，并确认本页为 HTTPS。'
   }
   if (name === 'NotFoundError' || name === 'DevicesNotFoundError') {
     return '未检测到摄像头，请检查是否已接入设备或被系统禁用。'
@@ -75,7 +75,7 @@ export function startPublishing(opts = {}) {
     onStatus('信令已连接，正在采集摄像头…')
     try {
       // 后台多为 PC：不要用 facingMode:'user'，部分机器会直接导致 “Could not start video source”
-      stream = await navigator.mediaDevices.getUserMedia({ video: true, audio: false })
+      stream = await navigator.mediaDevices.getUserMedia({ video: true, audio: true })
       onLocalStream(stream)
       stream.getTracks().forEach((t) => pc.addTrack(t, stream))
       const offer = await pc.createOffer()