小程序同层渲染视频效果
微信：https://developers.weixin.qq.com/community/develop/article/doc/000c4e433707c072c1793e56f5c813
百度：https://patent-image.qichacha.com/pdf/7a81ca75aa22d5688a8d0c152e905b03.pdf
字节：https://forum.microapp.bytedance.com/mini-app/posts/6257904cf5558cda255c5476
