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To: "takashi.yano@nifty.ne.jp" <takashi.yano@nifty.ne.jp>,
        "cygwin@cygwin.com"
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Subject: Re: Re: "Invalid DTS" warnings only in Cygwin version of ffmpeg
Thread-Topic: Re: "Invalid DTS" warnings only in Cygwin version of ffmpeg
Thread-Index: AQHc7Y91SvztdJX6EUylBPaK0n7vjQ==
Date: Wed, 27 May 2026 04:26:40 +0000
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From: destal takul via Cygwin <cygwin@cygwin.com>
Reply-To: destal takul <destaltakul@outlook.com>
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Sender: "Cygwin" <cygwin-bounces~archive-cygwin=delorie.com@cygwin.com>

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? 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.

Also, will you be reporting this to the Fedora ffmpeg package maintainers? 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. At this point I would be more inclined to use the official ffmpeg Windows builds in Cygwin.

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