ffmpeg -i input.webm -c copy -metadata:s:v:0 rotate=90 output.webm
As far as I know, rotating without re-encoding isn't possible. Try this: ffmpeg -i input.webm -vf rotate=PI/2 output.webm Michael _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
