[FFmpeg-devel] Feature request

[Tomas Härdin]

ons 2021-02-24 klockan 23:45 +0000 skrev Jimmy Jaffe:
> Hi people. Now it is very common videos recorded with bad rotations.
> With ffmpeg it is possible to rotate without re-encoding the video
> using the 'rotate' instruction. But if the video has more than one
> rotation it is not possible. Will it be possible to add rotation
> instructions with time? For example, if a video starts vertically and
> after a minute it needs to be rotated horizontally, an instruction
> such as 'rotate = 90 60sec', which would mean that from second 60
> rotate 90 degrees. This is possible?, I repeat without re-encoding.

Any format that supports EDLs can do this, but very few players have
full EDL support. MOV and MXF come to mind. FFmpeg certainly doesn't
support this.

/Tomas