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Re:YouTube will now show ads on all videos even if creators ... by krageon on Thursday November 19, 2020 @08:58AM (#25149459)
At first I thought you had a point (and for practical purposes, perhaps you do) but I don't think it'd be particularly challenging to inject video frames into a stream without re-encoding the original video.
Re:YouTube will now show ads on all videos even if creators ... by colejohnson66 on Thursday November 19, 2020 @09:08AM (#25149569)
It’s not challenging.[a] ffmpeg can “join” streams back-to-back without reencoding if one desires.

[a]: This is assuming you know the magic incantation to get ffmpeg to do it

Re:YouTube will now show ads on all videos even if creators ... by mnw21cam on Thursday November 19, 2020 @11:05AM (#25150834)
You just need to make sure the video sections are stored in a concatenatable format (like mpeg or m4s), and then you can literally use cat.
Re:YouTube will now show ads on all videos even if creators ... by rileyteige on Thursday November 19, 2020 @09:22AM (#25149716)
if anyone has the resources to figure out this magic incantation, it would be Google.
Re:YouTube will now show ads on all videos even if creators ... by colejohnson66 on Thursday November 19, 2020 @10:37AM (#25150555)
It’s not that difficult a command compared to what is possible with ffmpeg. But it’s also a pretty common enough task that literally the first result for using DDG with “ffmpeg concatenate without reencoding” gave: https://stackoverflow.com/questions/49371422/how-to-merge-tw...
Re:YouTube will now show ads on all videos even if creators ... by kaetemi on Thursday November 19, 2020 @10:36AM (#25150540)
You can cut on any key frame and switch to another video.