[FFmpeg-user] How can I recode the movie in a way that I can step forward frame by frame?

[Andy Furniss]

LaHu wrote:
> I assume the movie is encoded using IPB frames. Thus I can't step from 
> any frame to the previous/next frame but from I-frames to I-frames only.

This is not true, mpv can step OK with IPB, it can also field step if 
you are de-interlacing.

> So I'd like to convert the movie to an I-frame only format.

For the same quality, I frame only will be a lot bigger.