�DJI硬件产品连接后，需要重新调用此方法获取最新VideoStreamManager实例。可通过<code><a href="../../Components/IKeyManager/Key_Product_ProductKey.html#key_product_connection">KeyConnection</a></code>和<code><a href="../../Components/IKeyManager/Key_Product_ProductKey.html#key_product_producttype">KeyProductType</a></code>判断是否有新的DJI硬件产品连接。<br> 2. 该接口从MSDK 5.8.0版本开始废弃。请调用<code><a href="../../Components/IMediaDataCenter/IMediaData