Report an error when playing video dynamically with video.js

now there is a need to use video.js to play video resources dynamically selected by users. Users can manipulate the video at will:
for example:
clipboard.png

video.jsloadedmetadataaviflvjqloadedmetadatavideo.jsvideo.js
:

html:
clipboard.png

js:
clipboard.png

:
clipboard.png

:
clipboard.png
set flash to allow and refresh the interface, but I still report this mistake, what"s going on? Use video.js, for advice for the first time. Thank you.

Video-player html jquery video.js
Mar.16,2021

when you try to set up src, specify the type of file to play mp4

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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-64f5-1becdcf-31383.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1becdcf-31383.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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