Microsoft Teams: How to share recorded videos

Hello Sir, 

            My name is Sanjay.. Our school using microsoft teams for online classes.. 

My question.

            1. I uploaded a video in Onedrive...How to share this  recorded and saved video  in onedrive into microsoft teams live classes..  without sharing sharining link

                in live classroom  after joining  the room there is only  three options...

               1.files 2.photos 3.videos( this option only for live recording)

                  if we click on files and goes to onedrive  it only showing  files not showing any photos and videos in my  folder..

         How to solve this issue