On Tue, Jun 28, 2022 at 14:55:58 +0200, Ulf Zibis wrote: > Am 28.06.22 um 13:45 schrieb Ulf Zibis: > > how can I correct a vertically flipped mp4 video without re-encoding? The > > left side is on the right side and vice versa. > I tried: > ffmpeg -i input.mp4 -c copy -metadata:s:v:0 flip=horizontal output.mp4 > But this changed nothing :-(
Metadata flags do exist for rotating, but not for flipping. Thus this cannot be done without re-encoding. Even for rotation, the player needs to understand the flag. This is not the case for all players. Cheers, Moritz _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
