I have already enabled play drm-controlled content but still i can't play music on online platform like spotify,jiosaavn,ganna and i can't watch video on platform like hotstar,amazon prime etc but YouTube works fine.I have issue with google meet also. It keep on processing and i can't join a meeting or create a room.In short online audio and video not supported in firefox.Other browser works fine.iIhave already downloaded and enabled Widevine Content Decryption Module provided by Google Inc. # how to support and play online audio and video on all websites. # how google meet works fine in my browser.