<![CDATA[Updating the Opera One browser to last version doesn't work with ffmpeg library]]>Schermata del 2026-08-05 15-16-20.png

After updating to the last version the browser would not open and terminal will return the error:

opera: symbol lookup error: opera: undefined symbol: av_dynamic_hdr_smpte2094_app5_to_t35

I noticed that the problem resolves if I remove the libffmpeg.so file from the lib_extra folder but then I cannot watch any video on the browser.
I tried newer libffmpeg.so but they gave error:

opera: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_ABI_DT_RELR' not found (required by /usr/lib/x86_64-linux-gnu/opera-stable/lib_extra/libffmpeg.so)

Does anyone have any idea about this?

]]>https://forums.opera.com/topic/89271/updating-the-opera-one-browser-to-last-version-doesn-t-work-with-ffmpeg-libraryRSS for NodeFri, 07 Aug 2026 03:27:28 GMTWed, 05 Aug 2026 13:27:57 GMT60<![CDATA[Reply to Updating the Opera One browser to last version doesn't work with ffmpeg library on Thu, 06 Aug 2026 18:38:33 GMT]]>@LeviaKirin
A good alternative to the Vivaldi browser is to use the following prebuilt version of libffmpeg.so:
Go to https://github.com/nwjs-ffmpeg-prebuilt/nwjs-ffmpeg-prebuilt/releases/latest and download the *-linux-x64.zip file. Extract the libffmpeg.so file from it and copy it to /usr/lib/x86_64-linux-gnu/opera-stable/lib_extra/

Warning! There is also a file named libffmpeg.so in the Opera program directory; this file is installed along with Opera and should remain unchanged.

]]>https://forums.opera.com/post/407368https://forums.opera.com/post/407368Thu, 06 Aug 2026 18:38:33 GMT<![CDATA[Reply to Updating the Opera One browser to last version doesn't work with ffmpeg library on Thu, 06 Aug 2026 14:52:47 GMT]]>@alexs I tried the Vivaldi one and it doesn't work

]]>https://forums.opera.com/post/407361https://forums.opera.com/post/407361Thu, 06 Aug 2026 14:52:47 GMT<![CDATA[Reply to Updating the Opera One browser to last version doesn't work with ffmpeg library on Thu, 06 Aug 2026 13:35:30 GMT]]>Here’s how it looks on my system (Debian/unstable):
In /usr/lib/x86_64-linux-gnu/opera-stable/, I have a folder named lib_extra:
/usr/lib/x86_64-linux-gnu/opera-stable/lib_extra/
In $HOME/.local/, I have a folder named opera:
$HOME/.local/lib/opera/

I always place the appropriate libffmpeg.so file in $HOME/.local/lib/opera/ (without root privileges).
Then I create a symlink from $HOME/.local/lib/opera/libffmpeg.so to /usr/lib/x86_64-linux-gnu/opera-stable/lib_extra/libffmpeg.so:
As root:
ln -s /home/[username]/.local/lib/opera/libffmpeg.so /usr/lib/x86_64-linux-gnu/opera-stable/lib_extra/libffmpeg.so

Currently, the libffmpeg.so file from the Vivaldi browser is included there.
As a user (without root privileges):
cp /var/opt/vivaldi/media-codecs-8.1/libffmpeg.so $HOME/.local/lib/opera/libffmpeg.so

It works for me without any problems.

Of course, you can copy the libffmpeg.so file directly—without the symlink—into the lib_extra folder:
cp /var/opt/vivaldi/media-codecs-8.1/libffmpeg.so /usr/lib/x86_64-linux-gnu/opera-stable/lib_extra/

]]>https://forums.opera.com/post/407351https://forums.opera.com/post/407351Thu, 06 Aug 2026 13:35:30 GMT<![CDATA[Reply to Updating the Opera One browser to last version doesn't work with ffmpeg library on Wed, 05 Aug 2026 23:01:40 GMT]]>@LeviaKirin Also hit this problem; the only site in my limited testing that works is Youtube.

]]>https://forums.opera.com/post/407318https://forums.opera.com/post/407318Wed, 05 Aug 2026 23:01:40 GMT