[FFmpeg-user] Vertically flipped mp4 video

Ulf Zibis Ulf.Zibis at CoSoCo.de
Tue Jun 28 16:14:08 EEST 2022

Am 28.06.22 um 14:59 schrieb Moritz Barsnick:
> Metadata flags do exist for rotating, but not for flipping. Thus this
> cannot be done without re-encoding.
I'm irritated. Here I can read, that it exists:

> Even for rotation, the player needs to understand the flag. This is not
> the case for all players.

Thanks for the hint!


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