From ba7447ddb93fe7490ae067bb4fc5ca3421396df3 Mon Sep 17 00:00:00 2001
From: duoaohui <928970622@qq.com>
Date: Sat, 23 May 2026 22:42:26 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=86=E9=A2=91=E4=BC=9A=E8=AE=AE?=
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---
 frontend/src/pages/cloud-law/video-call.vue | 30 ++++++++++++++++++---
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/frontend/src/pages/cloud-law/video-call.vue b/frontend/src/pages/cloud-law/video-call.vue
index 94f7034..4280dd9 100644
--- a/frontend/src/pages/cloud-law/video-call.vue
+++ b/frontend/src/pages/cloud-law/video-call.vue
@@ -450,6 +450,22 @@ const swapPrimaryTile = () => {
   preferSelfMain.value = !preferSelfMain.value
 }
 
+// 关键：在用户点击的"手势作用域"内自己 getUserMedia，把 track 传给 meetingStore，
+// 避免 mediasoup 内部二次 getUserMedia 被 WebView 拒（NotAllowedError Permission denied）。
+const acquireAudioTrack = async () => {
+  if (!navigator?.mediaDevices?.getUserMedia) throw new Error('当前环境不支持 getUserMedia')
+  const stream = await navigator.mediaDevices.getUserMedia({ audio: true, video: false })
+  return stream.getAudioTracks()[0]
+}
+const acquireVideoTrack = async () => {
+  if (!navigator?.mediaDevices?.getUserMedia) throw new Error('当前环境不支持 getUserMedia')
+  const stream = await navigator.mediaDevices.getUserMedia({
+    audio: false,
+    video: { width: { ideal: 640 }, height: { ideal: 480 }, facingMode: 'user' }
+  })
+  return stream.getVideoTracks()[0]
+}
+
 const onMicToggle = async () => {
   pushDebug(`mic点击 loading=${audioLoading.value} leaving=${leaving.value} on=${audioEnabled.value} producer=${meetingStore.localProducers?.audio || 'null'}`)
   if (audioLoading.value || leaving.value) {
@@ -463,8 +479,11 @@ const onMicToggle = async () => {
       await meetingStore.stopLocalAudio()
       pushDebug('mic stop 完成')
     } else {
-      pushDebug('mic -> startLocalAudio')
-      await meetingStore.startLocalAudio()
+      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=${meetingStore.localAudioEnabled}`)
       localMediaError.value = ''
     }
@@ -489,8 +508,11 @@ const onCamToggle = async () => {
       await meetingStore.stopLocalVideo()
       pushDebug('cam stop 完成')
     } else {
-      pushDebug('cam -> startLocalVideo')
-      await meetingStore.startLocalVideo()
+      pushDebug('cam -> getUserMedia(video)')
+      const track = await acquireVideoTrack()
+      pushDebug(`cam 拿到 track id=${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 = ''
     }