Amway: How to take pictures of the phone
https://post.smzdm.com/p/and22prv/
1, image formats: gif, jpg, png; consider introducing webp, heif
2, improve upload speed
Client transcoding
Block uploads
Side side block transcoded
3, reducing storage space
Transcoding former client upload
4, enhance the user experience
Reducing buffer time
Side bottom sowing (metadata: Video length decoder)
5, content protection
(1) Download protection: authentication is successful, give the real address
(2) video watermarking