WXXR/miniprogram/pages/ar-classic/scene-classic-video/index.wxml

<xr-demo-viewer
>
  <xr-classic-video
    disable-scroll
    id="main-frame"
    width="{{renderWidth}}"
    height="{{renderHeight}}"
    style="width:{{width}}px;height:{{height}}px;top:{{top}}px;left:{{left}}px;display:block;"
    markerImg="{{markerImg}}"
    bind:arTrackerState="handleARTrackerState"
  />

</xr-demo-viewer>