[Libav-user] Is there no LGPL deinterlacer left

Robert Krüger krueger at lesspain.de
Tue Mar 12 16:02:13 CET 2013

On Tue, Mar 12, 2013 at 3:54 PM, John Orr <john.orr at scala.com> wrote:
> The other day I noticed a commit that "lavc: Deprecate the deinterlace
> functions in libavcodec":
> http://git.videolan.org/?p=ffmpeg.git;a=commit;h=54b298fe5650c124c29a8283cfd05024ac409d3a
> AFAIK, that's the only LGPL'ed deinterlace code and the deinterlace code in
> lavf is GPL.
> Does anybody know if that is correct, or perhaps there is some other LGPL
> deinterlace code in the ffmpeg code base I'm not aware of?
> --Johno

AFAIK you are correct. We (and probably a number of others) are facing
the same problem. However, there is an ongoing effort to relicense
Yadif to LGPL so that can serve as a (much better) replacement for
people requiring LGPL. However, if this effort is not successful, you
will not have many options other than maintaining an old copy for a
while while finding a replacement somewhere.

If you want to use Yadif in a commercial product then you might want
to consider offering some money for the relicensing as two other
companies have offered and some more have hinted that they would do



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