视频会议

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,