How to rotate video that comes from android device with same quality by using ffmpeg

Question

I want to rotate video that comes from android device that always display in landscape form; so how we convert into portrait form with a same quality. I am using these code but unable to find exact code.

$ ffmpeg -i $inputfile -vf "transpose=1" $outputfile
$ ffmpeg -i $inputfile -acodec copy -vcodec copy -vf transpose=1 $outputfile

Not worked for me...

Answer 1

You can rotate video using -vf "transpose=1".