[FFmpeg-devel] [PATCH] added reitnerlace filter
george at nsup.org
Thu Dec 28 15:17:23 EET 2017
Vasile Toncu (2017-12-28):
> >Are there any features that tinterlace has and this new filter has not?
> >If not, then I think it would be better to just replace tinterlace
> The main difference between those those two filters is that reinterlace
> planes of output frames in parallel.
> Another difference is that reinterlace introduces two new modes, which are
> described at 
You did not answer the question. I asked if there are features in
tinterlace that are not in reinterlace. You answered the opposite
> >I can answer myself: tinterlace has asm optimizations. This is not for
> >me only to decide, but I am rather against having duplicated features
> >just for licensing reasons.
> >In this particular instance, I think you could use the GPL asm
> >optimizations while having the filter itself LGPL.
> Your arguments are valid, but what happens if I want to use a GPL tinterlace
> in an closed source application that will be distributed.
But making tinterlace LGPL would solve that for you just the same as
adding yet another filter that does the same thing.
As I said, I oppose duplicated features, except for very good reasons.
Licensing is not a good reason from my point of view.
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