How to verify the video format?

how do I use java to verify the video format?
is not simply checking file suffixes

Mar.02,2021

check by the magic number of the file. Refer to this link

Java determines the type of uploaded file by magic number

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1bea30b-319cf.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bea30b-319cf.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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