[FFmpeg-devel] yadif relicensing

Robert Krüger krueger at lesspain.de
Mon Feb 25 20:34:49 CET 2013

On Mon, Feb 25, 2013 at 6:11 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
> On Mon, Feb 25, 2013 at 09:08:11AM +0100, Robert Krüger wrote:
>> On Sun, Feb 24, 2013 at 11:30 PM, compn <tempn at twmi.rr.com> wrote:
>> > On Sun, 24 Feb 2013 22:52:49 +0100, Stefano Sabatini wrote:
>> >>On date Friday 2013-02-22 17:40:45 +0100, Robert Krüger encoded:
>> >>[...]
>> >>> Attached are the commit logs with some notes, that I took as the basis
>> >>> for this (I also looked into a few patches of people that are not in
>> >>> the list to be sure).
>> >
>> > imo, its much easier to just relicense the first version which only
>> > michael had copyright on, and then use some of the bounty to pay a
>> > coder to fix it up and optimize it again.
>> >
>> > trying to contact old authors for relicensing is like herding cats.
>> >
>> > -compn
>> Interesting option. I guess since that person is most likely going to
>> be Michael too, it will depend on what he thinks of such a sponsored
>> "yadif next generation" approach. For a transition period both filters
>> could coexist much like the mplayer filters being removed once an
>> equivalent or better version is there. I would definitely help testing
>> a new deinterlacing filter.
> What is needed is that someone
> 1. makes a list of the authors
> 2. contacts the authors and asks if they agree to LGPL relicensing and
>    if so find an agreement about the share of the money for each.
> once this is done we can discuss what to do about code that was
> written by people who have not replied.
> please concentrate your time, if you want to help on 1. and 2. and
> not some later steps that might for all we know be unneeded.
> Also if you no longer want to help, please state that clearly so
> noone waits for you to work on this.
I will do 1. and 2..

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