Android camera usage record()

How to get every frame of a video file?

Reference: https://blog.csdn.net/zhuoxiuwu/article/details/70879701

How does the official realize the camera Api?

Reference: https://www.androidos.net.cn/android/8.0.0_r4/xref/frameworks/base/core/java/android/hardware

How to call the camera Api?

camera reference: https://juejin.im/post/5a33a5106fb9a04525782db5

camera2 reference: https://www.jianshu.com/p/0ea5e201260f

camerax reference: https://juejin.im/post/5cbf2667f265da037875980a

How to achieve live broadcast?

Reference: https://blog.csdn.net/huaxun66/article/details/53427771