[FFmpeg-user] Rotating webm videos

Rex East rex.eastbourne at gmail.com
Sat Mar 23 13:00:17 EET 2019

On Sat, Mar 23, 2019 at 7:46 PM Michael Koch
<astroelectronic at t-online.de> wrote:
> As far as I know, rotating without re-encoding isn't possible. Try this:
> ffmpeg -i input.webm -vf rotate=PI/2 output.webm

Thank you Michael for the reply and information.

However, that command resulted in the video being cropped to a square
(original video is in portrait mode), and there is still significant
quality loss...

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