|onCameraFrame|Function|获取 Camera 实时帧数据。|微信小程序[详情](https://developers.weixin.qq.com/miniprogram/dev/api/CameraContext.onCameraFrame.html)、支付宝小程序[详情](https://opendocs.alipay.com/mini/03qitt)、抖音小程序支持[详情](https://developer.open-douyin.com/docs/resource/zh-CN/mini-app/develop/api/media/camera/camera-context/camera-context-on-camera-frame)|