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()

server/pkg/weblive/hub.go

@@ -146,8 +146,7 @@ func (h *Hub) removeViewer(id string) {
 }
 
 func (h *Hub) onPublisherTrack(track *webrtc.TrackRemote) {
-	// 仅转发视频轨，降低协商复杂度
+	if track.Kind() != webrtc.RTPCodecTypeVideo && track.Kind() != webrtc.RTPCodecTypeAudio {
-	if track.Kind() != webrtc.RTPCodecTypeVideo {
 		return
 	}
 	tf := newTrackForwarder(track)

web/src/components/LiveFloatingPlayer.vue

@@ -58,6 +58,7 @@ const showSurface = ref(false)
 onMounted(async () => {
   await nextTick()
   session = startViewing(videoRef.value, {
+    muted: true,
     onStatus: (s) => {
       hint.value = s
     },

web/src/utils/liveWebRTC.js

@@ -35,13 +35,27 @@ function newPeer(onTrack) {
 /**
  * 观众端：轮询 live 后拉流；结束后自动恢复轮询以便下一场
  * @param {HTMLVideoElement | null} videoEl
- * @param {{ onStatus?: (s: string) => void, onLive?: () => void, onEnded?: () => void, pollMs?: number }} [opts]
+ * @param {{ onStatus?: (s: string) => void, onLive?: () => void, onEnded?: () => void, pollMs?: number, muted?: boolean }} [opts]
  */
 export function startViewing(videoEl, opts = {}) {
-  const { onStatus = () => {}, onLive = () => {}, onEnded = () => {}, pollMs = 1200 } = opts
+  const {
+    onStatus = () => {},
+    onLive = () => {},
+    onEnded = () => {},
+    pollMs = 1200,
+    muted = true
+  } = opts
+
+  function attachStreamToVideo(stream) {
+    if (!videoEl || !stream) return
+    videoEl.srcObject = stream
+    videoEl.muted = !!muted
+    videoEl.play().catch(() => {})
+  }
+
   let pc = newPeer((e) => {
     if (videoEl && e.streams[0]) {
-      videoEl.srcObject = e.streams[0]
+      attachStreamToVideo(e.streams[0])
     }
   })
   let ws = null
@@ -98,7 +112,7 @@ export function startViewing(videoEl, opts = {}) {
     } catch (_) {}
     pc = newPeer((e) => {
       if (videoEl && e.streams[0]) {
-        videoEl.srcObject = e.streams[0]
+        attachStreamToVideo(e.streams[0])
       }
     })
   }
@@ -129,6 +143,7 @@ export function startViewing(videoEl, opts = {}) {
       else icePending.push(msg)
     }
     pc.addTransceiver('video', { direction: 'recvonly' })
+    pc.addTransceiver('audio', { direction: 'recvonly' })
     const offer = await pc.createOffer()
     await pc.setLocalDescription(offer)
     ws = new WebSocket(liveWsURLView())

web/src/views/LiveRoom.vue

@@ -10,13 +10,18 @@
       <section class="live-block" aria-label="本站直播">
         <h2 class="live-block-title">本站直播（WebRTC）</h2>
         <p class="live-watch-status">{{ watchStatus }}</p>
-        <video
+        <div class="live-video-wrap">
-          ref="watchVideoRef"
+          <video
-          class="live-room-video live-room-video--watch"
+            ref="watchVideoRef"
-          playsinline
+            class="live-room-video live-room-video--watch"
-          autoplay
+            playsinline
-          muted
+            autoplay
-        ></video>
+          ></video>
+          <div class="live-video-toolbar" role="toolbar" aria-label="播放控制">
+            <button type="button" class="live-video-toolbtn" @click="unmuteAndPlay">开声音</button>
+            <button type="button" class="live-video-toolbtn" @click="toggleVideoFullscreen">全屏</button>
+          </div>
+        </div>
       </section>
 
       <section class="live-block live-block--divider" aria-label="外链直播间">
@@ -80,10 +85,34 @@ function goLiveRoom() {
   window.location.href = target
 }
 
+function unmuteAndPlay() {
+  const v = watchVideoRef.value
+  if (!v) return
+  v.muted = false
+  v.play().catch(() => {})
+}
+
+function toggleVideoFullscreen() {
+  const v = watchVideoRef.value
+  if (!v) return
+  const doc = document
+  if (doc.fullscreenElement || doc.webkitFullscreenElement) {
+    doc.exitFullscreen?.() || doc.webkitExitFullscreen?.()
+    return
+  }
+  if (typeof v.webkitEnterFullscreen === 'function') {
+    v.webkitEnterFullscreen()
+    return
+  }
+  const el = v
+  el.requestFullscreen?.() || el.webkitRequestFullscreen?.()
+}
+
 onMounted(async () => {
   loadHomepage()
   await nextTick()
   viewSession = startViewing(watchVideoRef.value, {
+    muted: false,
     onStatus: (s) => {
       watchStatus.value = s
     }
@@ -153,6 +182,33 @@ onUnmounted(() => {
   margin: 0 0 14px;
   min-height: 1.4em;
 }
+.live-video-wrap {
+  position: relative;
+  max-width: 480px;
+  margin: 0 auto;
+}
+.live-video-toolbar {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 10px;
+  justify-content: center;
+  margin-top: 12px;
+}
+.live-video-toolbtn {
+  padding: 8px 18px;
+  border-radius: 10px;
+  border: 1px solid rgba(0, 212, 255, 0.45);
+  background: rgba(0, 212, 255, 0.12);
+  color: #00d4ff;
+  font-size: 14px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: background 0.2s, border-color 0.2s;
+}
+.live-video-toolbtn:hover {
+  background: rgba(0, 212, 255, 0.22);
+  border-color: rgba(0, 212, 255, 0.75);
+}
 .live-room-actions {
   margin-top: 8px;
 }
@@ -186,7 +242,6 @@ onUnmounted(() => {
 .live-room-video {
   display: block;
   width: 100%;
-  max-width: 480px;
   margin: 0 auto;
   border-radius: 14px;
   border: 1px solid rgba(0, 212, 255, 0.25);