[FFmpeg-user] Algorithm/Source Code for Changing the Resolution & Frame Rate using FFMpeg.

[Carl Eugen Hoyos]

Joel B <onephatcat <at> earthlink.net> writes:

> >> Could you briefly explain the algorithm for
> >> spatial up/downsampling used in this program.
> > 
> > Please see the fine documentation:
> > https://ffmpeg.org/ffmpeg-scaler.html
> 
> I think he's asking about the algorithm and mathematics 
> used in the scaler not how to use the function

I believe the link gives a lot of informations about the 
algorithms (and very little about the usage) - that's why 
I posted it.
For information about the used mathematics it will be 
necessary to read the fine source afaict.

Carl Eugen