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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...

  • The possible duplicate link contains an answer that includes additional methods to rotate, so it isn't just about 180°. Rotation requires using filters (except for MJPEG + jpegtran), and filters require you to re-encode, so you may have to accept some quality loss (but you may not notice), or use a lossless encoder, but lossless usually makes outputs with giant file sizes. – llogan Dec 11 '14 at 23:48

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

  • When i am using this command -[-vf "transpose=1"]. i am getting an error - "timebase 1/90000 not supported by MPEG 4 standard, the maximum admitted value for the timebase denominator is 65535" –  Dec 11 '14 at 07:04
  • @GauravBansal Without your actual command and the console output we can only provide guesses, not answers. – llogan Dec 11 '14 at 19:10