How to split video file into parts in php for SHA256 hashing?

Question

PHP

Good afternoon. Actually the question is: how to split a video file into parts in php for SHA256 hashing?

Answer 1

Something like this

system('ffmpeg -i in.avi -f segment -segment_time 1 -vcodec copy -acodec copy out%03d.avi',$return);

This is a breakdown of one second

Answer 2

You don't need to break it into pieces - php.net/manual/ru/function.hash-file.php
If you implement the algorithm yourself, then php calculates SHA256 very, very slowly.
The best thing in terms of speed is to find a system utility that can hash the entire file and call it via exec, system, etc

Answer 3

Here is the diagram