[MPlayer-dev-eng] New remove-logo filter

[Yartrebo]

I've like to submit my remove_logo filter for filtering out tv logos.

It works by using a bitmap (.tga format) to know which pixels are in the
logo and which aren't. It then blurs out the tv logo, filling it in with
colors from neighboring (and out of the logo) pixels.

By using a circular blur instead of bi-linear interpolation and by using
an image instead of a rectangle, the logo can be removed with much less
blur than the existing delogo filter.

A much more detailed description can be found in the source code
(libmpcodecs/vf_remove_logo.c).

Comments and constructive criticism would be appreciated.

Sincerely,
Robert Edele
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