视频会议

frontend/src/pages/cloud-law/video-call.vue

@@ -467,26 +467,27 @@ const acquireVideoTrack = async () => {
 }
 
 const onMicToggle = async () => {
-  pushDebug(`mic点击 loading=${audioLoading.value} leaving=${leaving.value} on=${audioEnabled.value} producer=${meetingStore.localProducers?.audio || 'null'}`)
+  pushDebug(`mic点击 loading=${audioLoading.value} on=${audioEnabled.value} producer=${meetingStore.localProducers?.audio || 'null'}`)
   if (audioLoading.value || leaving.value) {
     pushDebug('mic 被 loading/leaving 拦住')
     return
   }
   audioLoading.value = true
   try {
-    if (audioEnabled.value) {
-      pushDebug('mic -> stopLocalAudio')
-      await meetingStore.stopLocalAudio()
-      pushDebug('mic stop 完成')
+    if (meetingStore.localProducers?.audio) {
+      // 已经有 producer：只 mute/unmute，不释放硬件（关键：WebView 释放后申请会被拒）
+      pushDebug(`mic -> setLocalAudioMuted(${audioEnabled.value})`)
+      await meetingStore.setLocalAudioMuted(audioEnabled.value)
+      pushDebug(`mic mute 切换完成 enabled=${meetingStore.localAudioEnabled}`)
     } else {
+      // 没 producer：兜底走完整流程，自己 getUserMedia 拿 track（用户手势作用域内）
       pushDebug('mic -> getUserMedia(audio)')
       const track = await acquireAudioTrack()
       pushDebug(`mic 拿到 track id=${track?.id?.slice(0, 8)} label=${track?.label || ''}`)
-      pushDebug('mic -> startLocalAudio(track)')
       await meetingStore.startLocalAudio(undefined, track)
       pushDebug(`mic start 完成 enabled=${meetingStore.localAudioEnabled}`)
-      localMediaError.value = ''
     }
+    localMediaError.value = ''
   } catch (err) {
     pushDebug(`mic 报错: ${err?.name || ''} ${err?.message || err}`)
     localMediaError.value = `麦克风：${err?.message || err}`
@@ -496,26 +497,25 @@ const onMicToggle = async () => {
 }
 
 const onCamToggle = async () => {
-  pushDebug(`cam点击 loading=${videoLoading.value} leaving=${leaving.value} on=${videoEnabled.value} producer=${meetingStore.localProducers?.video || 'null'}`)
+  pushDebug(`cam点击 loading=${videoLoading.value} on=${videoEnabled.value} producer=${meetingStore.localProducers?.video || 'null'}`)
   if (videoLoading.value || leaving.value) {
     pushDebug('cam 被 loading/leaving 拦住')
     return
   }
   videoLoading.value = true
   try {
-    if (videoEnabled.value) {
-      pushDebug('cam -> stopLocalVideo')
-      await meetingStore.stopLocalVideo()
-      pushDebug('cam stop 完成')
+    if (meetingStore.localProducers?.video) {
+      pushDebug(`cam -> setLocalVideoMuted(${videoEnabled.value})`)
+      await meetingStore.setLocalVideoMuted(videoEnabled.value)
+      pushDebug(`cam mute 切换完成 enabled=${meetingStore.localVideoEnabled}`)
     } else {
       pushDebug('cam -> getUserMedia(video)')
       const track = await acquireVideoTrack()
       pushDebug(`cam 拿到 track id=${track?.id?.slice(0, 8)} label=${track?.label || ''}`)
-      pushDebug('cam -> startLocalVideo(track)')
       await meetingStore.startLocalVideo(undefined, track)
       pushDebug(`cam start 完成 enabled=${meetingStore.localVideoEnabled}`)
-      localMediaError.value = ''
     }
+    localMediaError.value = ''
   } catch (err) {
     pushDebug(`cam 报错: ${err?.name || ''} ${err?.message || err}`)
     localMediaError.value = `摄像头：${err?.message || err}`

frontend/src/store/meeting.js

@@ -1217,6 +1217,36 @@ export const useMeetingStore = defineStore('meeting', () => {
     _broadcastSelfState({ video_enabled: true })
   }
 
+  /**
+   * 静音/解除静音本地音频（不释放硬件）
+   * 用于"点击麦克风按钮关/开"场景：避免在 iOS Safari / 微信 WebView 上释放硬件后再申请被拒。
+   * 与 stopLocalAudio 区别：本方法只暂停 Producer，track 仍持有硬件，可幂等多次切换。
+   */
+  const setLocalAudioMuted = async (muted) => {
+    if (!_engine || !localProducers.audio) return false
+    const ok = muted
+      ? _engine.pauseProducer(localProducers.audio)
+      : _engine.resumeProducer(localProducers.audio)
+    if (ok) {
+      localAudioEnabled.value = !muted
+      _broadcastSelfState({ audio_enabled: !muted })
+    }
+    return ok
+  }
+
+  /** 静音/解除静音本地视频（不释放硬件），用法同 setLocalAudioMuted */
+  const setLocalVideoMuted = async (muted) => {
+    if (!_engine || !localProducers.video) return false
+    const ok = muted
+      ? _engine.pauseProducer(localProducers.video)
+      : _engine.resumeProducer(localProducers.video)
+    if (ok) {
+      localVideoEnabled.value = !muted
+      _broadcastSelfState({ video_enabled: !muted })
+    }
+    return ok
+  }
+
   /** 关闭本地音频 */
   const stopLocalAudio = async () => {
     if (!_engine || !localProducers.audio) return
@@ -1617,6 +1647,8 @@ export const useMeetingStore = defineStore('meeting', () => {
     startLocalVideo,
     stopLocalAudio,
     stopLocalVideo,
+    setLocalAudioMuted,
+    setLocalVideoMuted,
     startScreenShare,
     stopScreenShare,
     recording,

frontend/src/utils/mediasoup-client.js

@@ -405,6 +405,39 @@ export function createMediaEngine({ roomCode, userId, sendWithAck, logger = defa
     }
   }
 
+  /**
+   * 暂停指定 Producer：mediasoup-client 内部会把 track.enabled=false，
+   * 远端 Consumer 收到的就是静音/黑帧，但本地 track 仍持有硬件不释放。
+   * 用于"关摄像头/麦克风"按钮：避免在 iOS Safari / 微信 WebView 上释放硬件后再申请被拒（NotAllowedError）。
+   */
+  const pauseProducer = (producerId) => {
+    const producer = producers.get(producerId)
+    if (!producer || producer.closed) return false
+    try {
+      if (!producer.paused) producer.pause()
+      // 双保险：有些 mediasoup-client 版本不会自动改 track.enabled
+      if (producer.track) producer.track.enabled = false
+      return true
+    } catch (e) {
+      logger('warn', '[MediaEngine] producer.pause 抛错', e)
+      return false
+    }
+  }
+
+  /** 恢复 Producer：与 pauseProducer 对应 */
+  const resumeProducer = (producerId) => {
+    const producer = producers.get(producerId)
+    if (!producer || producer.closed) return false
+    try {
+      if (producer.paused) producer.resume()
+      if (producer.track) producer.track.enabled = true
+      return true
+    } catch (e) {
+      logger('warn', '[MediaEngine] producer.resume 抛错', e)
+      return false
+    }
+  }
+
   /** 本地 Consumer 关闭（通常由 producer.new closed=true 广播触发，无需额外 WS） */
   const closeConsumer = (consumerId) => {
     const consumer = consumers.get(consumerId)
@@ -445,6 +478,8 @@ export function createMediaEngine({ roomCode, userId, sendWithAck, logger = defa
     consume,
     resumeConsumer,
     closeProducer,
+    pauseProducer,
+    resumeProducer,
     closeConsumer,
     close,
     getDevice: () => device,