[FFmpeg-devel] Yadif relicensing to LGPL

Daniel Kang daniel.d.kang at gmail.com
Mon Oct 28 15:45:09 CET 2013

Apologies for the second email, but I see:

Delivery to the following recipient failed permanently:

     lorenm at u.washignton.edu

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On Mon, Oct 28, 2013 at 10:42 AM, Daniel Kang <daniel.d.kang at gmail.com>wrote:

> OK if Loren and Michael are OK.
> On Mon, Oct 28, 2013 at 7:19 AM, Robert Krüger <krueger at lesspain.de>wrote:
>> Hi,
>> it has taken a while but this is now the proposal for the relicensing
>> of the filter yadif from GPL to LGPL:
>> There are a number of sponsors which have offered money for the
>> relicensing, in total 18075 Euro.
>> Michael has asked me to come up with a suggestion for the money split
>> and procedures and this is it:
>> 7000 Euro are paid to Michael directly
>> Loren Merrit, Daniel Kang, James Darnley and Baptiste Coudurier
>> receive 1500 Euro each if they approve and their code is used.
>> The remaining 5075 Euro are given to the project via an SPI donation,
>> so it can be used to cover travel expenses, hardware etc..
>> The sponsors will commit to paying the money in an email to Michael
>> and me, provided the relicensing of yadif with at least its current
>> functionality and quality happens before the end of the year.
>> Payment will happen upon relicensing.
>> All contributors are again asked to give their approval to a
>> relicensing. Only the ones who already gave their approval without
>> conditions and have not contributed more code since then theoretically
>> do not need to approve again but it would still be nicer if they did.
>> The ones who answered to my email by saying something like “I’m OK
>> with relicensing depending on the conditions” need to reply stating if
>> the conditions described here are OK for them.
>> Once we know, how many contributors do not approve, someone needs to
>> decide, if the relicensing makes sense. First of all, Michael will
>> probably have to agree to replace the parts of non-approving
>> contributors. How the final decision is then made, is for the project
>> to decide (discussion on ffmpeg-devel?).
>> To fulfill all requirements by sponsors regarding invoices and to not
>> have everyone split their payments, my company will act as a trustee
>> for a part of the money (11075 Euro) and collect it from the other
>> sponsors and then split it up to pay to SPI and the individual
>> developers except Michael who will receive his part directly from one
>> sponsor as the amount happens to be a perfect match. We have not found
>> an easier way to achieve this because of tax and VAT regulations (my
>> initial suggestion was to have Michael serve as the trustee).
>> If someone disagrees with the way the money is split, please speak up
>> now. I tried to fulfill the following goals:
>> - Reflect the fact that yadif is mostly Michael's code and work
>> - Make sure the project as a whole benefits significantly (IMHO, since
>> Michael's working on FFmpeg full-time, I think one has to count his
>> share as the project's benefit as well)
>> - Fulfill conditions by individual contributors with larger contributions
>> - Keep it simple
>> - Make it as fair as possible
>> The last point is of course never really possible and don't bash me
>> for misjudging the individual contributions as it is most likely
>> because I am not qualified enough to differentiate/evaluate them
>> properly. I just hope everyone looks at this and does not feel treated
>> too unfairly, thinks it is good for the project and can live with it.
>> Let me also add that, should we make this too complicated, e.g. by
>> delaying the whole thing because of endless discussions, there is a
>> very concrete possibility none of the money will ever reach the
>> project because sponsors might look for alternatives and make the
>> whole thing fall apart. It was not easy to get everyone to agree to
>> such a pragmatic "uncorporate" approach to a thing like this.
>> I have put all yadif contributors on cc of whom I do not know that
>> they are subscribed to ffmpeg-devel.
>> People who have yadif commits (including mplayer before the port to
>> ffmpeg, ffmpeg and merges from libav) and are asked to agree:
>> Michael Niedermayer
>> Baptiste Coudurier
>> Stefano Sabatini
>> Mans Rullgard
>> Aurelien Jacobs
>> Anton Khirnov
>> Reimar Döffinger
>> Luca Barbato
>> Clément Bœsch
>> Diego Biurrun
>> Nicolas George
>> Carl Eugen Hoyos
>> Uoti Urpala
>> Loren Merritt
>> Tim Woj
>> Ivan Kalvachev
>> Joakim Plate
>> İsmail Dönmez
>> James Darnley
>> Daniel Kang
>> Paul B Mahol
>> I would be grateful for an independent check of this list.
>> Regards,
>> Robert

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