On Wed, 27 May 2026 04:26:40 +0000 destal takul wrote: > Hi. Thank you for looking into this. I had a quick look at the source code > change you did to fix the issue. > Should I assume that every file that has been remuxed using the previous > versions of ffmpeg in Cygwin with those warnings is now permanently damaged?
Unfortunately, yes. > I had noticed minor jerkiness/choppiness while playing such remuxed files, as > though frames were being played out of order, which led me to believe those > warnings might not have been cosmetic, and ended up digging deeper and > realizing other builds of ffmpeg are not affected. Your observation is correct. > Also, will you be reporting this to the Fedora ffmpeg package maintainers? It's under consideration for now. > I am not quite sure how/why their source code has diverged so far from the > official ffmpeg source code that it is introducing issues which do not exist > in the official source. This is because ffmpeg itself contains numerous codecs that are not patent-royalty-free. For example, royalties of the H.264 codec is managed by Via Licensing Alliance (Via LA) and MPEG LA. > At this point I would be more inclined to use the official ffmpeg Windows > builds in Cygwin. I’d be happy if you use the Cygwin ffmpeg package, but of course it’s your choice. -- Takashi Yano <[email protected]> -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
