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i have ubuntu 20.04 lts ubuntu os on which firefox 78.0.2(64-bit) is installed.i can't play online music as well as can't watch video on website(except youtube).

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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.

  1. how to support and play online audio and video on all websites.
  2. how google meet works fine in my browser.
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.

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Make sure you have the latest FFmpeg and libavcodec packages installed.

You can check the Web Console for media related messages.