On Tue, Sep 29, 2020 at 10:54:54PM +0200, Michael Koch wrote: > Hello all, > > I've programmed a C# workaround for stabilization of 360° videos. The > procedure is as follows: > > 1. FFmpeg: From each frame of the equirectangular input video, extract two > small images which are 90° apart in the input video. I call them A and B > images. > > 2. C# code: Analyze the x and y image shift from subsequent A and B images. > Calculate how the equirectangular frames must be rotated (yaw, pitch, roll) > to compensate the image shifts. This part wasn't easy. Two rotation matrices > and one matrix multiplication are required. Write the results to a *.cmd > file. > > 3. FFmpeg: Read the *.cmd file and apply the rotations with the v360 filter. > The output video is stabilized. > > For details and source code please have a look at chapter 2.78 in my book: > http://www.astro-electronic.de/FFmpeg_Book.pdf > > If anyone wants to implement this in FFmpeg, please feel free to do it.
Better upload DNG files that do not decode with FFmpeg. _______________________________________________ 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".
