videoffmpegfisheye

Stitch 360 fisheye video with FFmpeg

I have dual-fisheye MP4 files generated from a Rylo camera. Using FFmpeg on Windows, I want to convert the video into equirectangular format.

The command I have been trying is:

ffmpeg -t 5 -i input.mp4 -vf v360=dfisheye:e:ih_fov=208:iv_fov=208 -y output.mp4

The the catch is that the input fisheye video is rotated 90° like this:

enter image description here

Which is generating equirectangular output like below, but the fisheye video needs to be rotated first.

enter image description here

I've experimented with some of the command line switches like pitch, yaw, out_forder=brludf, and out_frot=222222 and none seem to make a difference. Can someone explain the command line parameter that will rotate the input video before stitching it?

Solution

  • The option you're looking for is roll?

    ffmpeg -t 5 -i input.mp4 -vf v360=dfisheye:e:ih_fov=208:iv_fov=208:roll=-90 -y output.mp4

    Link to the documentation:
    https://ffmpeg.org/ffmpeg-filters.html#v360