Hi On Sun, Jul 20, 2025 at 09:54:09PM +0000, b...@gget.it wrote: > Hi, > > Out of curiosity, has there been any progress since 1 year about this topic? > > Really, millions of CPU-hours are probably wasted to reencode > already-perfectly-encoded content, just for cutting purposes. For example, is > there a way to cut a AVI or MKV H264 video with a specific starting point and > specific length, with minimal re-encoding? > > When using: "ffmpeg -ss 120 -t 60 -i input.mp4 -c copy output.mp4",
> the result is often choppy or non-smooth in the first seconds, clean patch welcome > because the cut point doesn't necessarily coincide with a keyframe, at least > on some players. > > We could reencode just the beginning until the next keyframe, and then use > copy codec for the rest of the video, and then concatenate, but nobody does > this, it's unnecessarily complex (and I'm not even sure it works). theres some recent talk about edit lists, maybe what you describe is another use case of proper edit list rendering > > 20 Aug 2024, 22:34, mich...@niedermayer.cc wrote: > > > Such signalling can be added to existing containers with little effort. > > Iam also happy to help to add it to nut > > Can you explain with a little bit more details how it would work? Thanks in > advance! Its a year since that mail you reply to, but IIRC that just refered to that any data you want to attach you can attach in nut. To frames, to streams, to any timespans and so on. thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Breaking DRM is a little like attempting to break through a door even though the window is wide open and the only thing in the house is a bunch of things you dont want and which you would get tomorrow for free anyway
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