[FFmpeg-devel] Vid.stab video stabilization ready for libavfilter

Georg Martius georg.martius at web.de
Fri Feb 22 22:44:50 CET 2013

On Friday 22 February 2013 13:26:56 Roger Pack wrote:
> On 2/22/13, Andrey Utkin <andrey.krieger.utkin at gmail.com> wrote:
> > 2013/2/21 Georg Martius <georg.martius at web.de>:
> >> How can it become part of ffmpeg?
> >> a) the library becomes part of ffmpeg (a subdir in the tree)
> >> b) the library stays stand-alone and only the two filter files go into
> >> the
> >> libavfilter directory.
> > 
> > IMHO stand-alone development is preferable.
> > Your library is quite big (split to quite many files), i don't like
> > the idea of adding that many files (and code) to ffmpeg sources for a
> > single filter.
> > You still develop the lib, it's better for you to commit freely
> > (without ffmpeg developers reviewing your changes, as it would be in
> > case of incorporation).
> > You'll be able to provide rich set of interface functions to your
> > library; in ffmpeg, it would be usable only through standard
> > libavfilter API.
> > While there are no packages of your lib in distros, the users can
> > compile it manually, this process should be straightforward.
> Another option (though a bit tricky) would be for a "dll/so" type
> mechanism be added to libavfilter, so this could be released as a
> "build your own .dll and use it separate from FFmpeg's own distro"
> (but if it's a high quality deshake, existing within FFmpeg might be
> good too).
I think that a dynamic plugin loading would be indeed very handy. It also 
speeds ups plugin testing because you don't have to compile a whole big 
library again. Anyway,  I guess it was a design decision to have only static 
linking within the libavfilter.

> -roger-
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---- Georg Martius,  Tel: +49 177 6413311  -----
--------- http://georg.hronopik.de -------------
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