How i can remove or replace logo in video stream with FFmpeg

How i can remove or replace logo in video stream with FFmpeg

 

Hi guys
I have a questions
How i can remove or replace logo in video stream with FFmpeg?
For example: this link
http://82.102.10.147/720P - 1.mkv
As you can see at the bottom and top of the logo (gemonline)
Now this:
http://82.102.10.147/720P - 2.mkv
As you can see logos replaced! With (moviebaz)

Source video:
https://goo.gl/5rfloy

But for see, first you need to login (you can use my user and password)
user: gemonlinetest1@gmail.com
pass: 12345678

I konw he uses FFmpeg for this, but how:confused: ????

if you know any sotware or any way for this, please help me!!!:cool:

Re: How i can remove or replace logo in video stream with FFmpeg

 

Looks like they encoded the source to contain their branding. You can either deal with it, or try to look for the source file.

I don't believe there is much that can be done but I could be wrong.