> On 11 Apr 2019, at 04:44, John Hawkinson <jh...@alum.mit.edu> wrote:
> 
> Michael Shaffer <mikeshaf...@gmail.com> wrote on Wed, 10 Apr 2019
> at 19:40:36 -0400 in 
> <CAMrzi1s55GuHbXoWW+r6XibbDKdtsHa=x04vf5do4fhuquh...@mail.gmail.com>:
> 
>> I'm pretty sure you could use Python and OpenCV to create a solution..
> 
> "Just because you can, doesn't mean you should."
> 
> My original post explained how to determine where the runs of black are, 
> using ffmpeg (libavfilter)'s "blackdetect." The only piece left is applying 
> the edits in a practical fashion.
> 
> Rolling your own with opencv would be a whole lot more work. I'm not entirely 
> sure that I agree with Carl Eugen that ffmpeg isn't a video editing tool, but 
> if it's not, Python certainly isn't. Yes, you can make it work. But you're 
> going to spend a lot more time doing it than if higher level tools were used.
> 
> The goal here is for higher-level tools, not lower-level ones.
> 
> Or I might just end up using ffmpeg to split it into 7,000 files and then 
> concatenating them. That's hardly the worst thing in the world.

Why split and cat? You are not doing editing, you want to mask (little) pieces, 
not shorten / extend / reshuffle, right?
If you have all the in/out point, why not do a (png or alike) overlay on those 
points?
Or, a subtitle overlay with a strange custom font (one big black rectangle 
char).

Bouke


> --
> jh...@alum.mit.edu
> John Hawkinson
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