@aintab Oh, nailed it. Found opera-developer's apt package and installed it.
Then I ran command chmod 777 for opera-developer folder and paste the libffmpeg.so file. It worked.

Thanks for your help @burnout426

@aintab Oh, nailed it. Found opera-developer's apt package and installed it.
Then I ran command chmod 777 for opera-developer folder and paste the libffmpeg.so file. It worked.

Thanks for your help @burnout426

@burnout426 I've tried to do following but couldn't edit the content of opera installation folder.
I am using Ubuntu and installed Opera by using snap. Is there workaround?

I see, ok. I will try the other option. Thanks.

I tried the fix specified in here https://forums.opera.com/post/205840 but didn't work.
When I attempted to update the component, getting a message says, "Component not updated".
I am using Opera Developer with the version of 69.0.3673.0