[FFmpeg-user] Change video frames to another frame.

[Moritz Barsnick]

On Wed, Dec 21, 2016 at 17:23:14 +0900, EQMaker wrote:
> I'm trying to change last 3 frames of input video file  to still images from
> 4th frame from end of the file.
> 
> Can I handle this with only stream copy? or May I have to use video filters?

There's certainly something filters can.

Regarding stream copy: The only way I can think of is to dump that 4th
frame from the end (assuming it is an I-frame), creating a 4-frame
video from that, and concatenating it to a cut of the original.

Moritz