[FFmpeg-devel] New filter: remap?

F.Sluiter fsluiter at gmail.com
Thu Feb 25 22:40:24 CET 2016


It would also be relatively easy to implement anti-aliasing (probably in
version 2).

2016-02-25 22:38 GMT+01:00 Paul B Mahol <onemda at gmail.com>:

> On 2/25/16, F.Sluiter <fsluiter at gmail.com> wrote:
> > If it doesn exist I would like to develop a new filter and would like to
> > check if nobody is already working on it or that it exists under a
> > different name.
> >
> > I have been researching the following usecase:
> >
> > Similar tot the displace filter, I would need a filter to remap pixels
> (the
> > difference being that displace displaces the pixels relative to where it
> > was, remap would specify where the target pixel originates from):
> >
> > Description: Remap pixels as indicated by second and third input stream.
> >
> > It takes three input streams and outputs one stream, the first input is
> the
> > source, and second and third input are targetmaps. The second and third
> > input specifies the x.y coordinate where the pixel in the target stream
> > originates from. Note that once generated, remap files can be reused over
> > and over again. Source and target do not have to have the same size.
> > The effect I am trying to achieve is hard to compute with the relative
> > "displace", and a lot more straightforward with "remap".
>
> With 16bit support too? Go ahead, nice idea :-)
>
> I'm interested in motion estimation/interpolation/compensation filters too.
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