Could you run `ldconfig -p | grep libavcodec` on your computer to see what version of `libavcodec` you're using? And see if it will help if you reinstall the libavcodec, because the problematic video outputs are generated by the decoder from libavcodec, so I would like to see whther the libavcodec you're using is the root cause. Thank you.
Bug 1717177 Comment 15 Edit History
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Could you run `ldconfig -p | grep libavcodec` on your computer to see what version of `libavcodec` you're using? And see if it will help if you reinstall the libavcodec, because the problematic video outputs are generated by the decoder from libavcodec (which is usually bundle in ffmpeg), so I would like to see whther the libavcodec you're using is the root cause. Thank you.