On Fri, Dec 23, 2016 at 06:51:38PM +0100, Nicolas George wrote: > Le tridi 3 nivôse, an CCXXV, Michael Niedermayer a écrit : > > libavfilter had a public API that allowed filters to be implemented > > these changes move it farther away from it > > I do care about having some public API that allows filters > > to be implemented. > > You pointed out that you work alone and people dont review your lavfi > > patches. I think if you integrate others goals more people would > > > > For example your plans can stay the same but include the declared > > goal of making the API public once they are all done. And suddenly > > i would be interrested in this. Of course it doesnt make days > > have more hours or my todo shorter but pushing the public API away > > makes me loose interrest for sure. > > > > Other people might have other ideas and goals too, which they want > > lavfi to achieve. > > If more things can be integrated more people might contribute ... > > You misunderstood: I am not excluding an API to allow external filters, > I am saying that it is too soon to think about it. The way filters must > be written is in a complete rework. Once it is stabilized, tested > extensively, we know it will not changing again, then we can make parts > of it public to allow external filters. > > Anything else would be a compatibility nightmare. Do you not agree?
APIs in FFmpeg will change as long as the project is alive. new developers join, older ones leave, peoples goals and oppinions change. The libavfilter API is based on the lessons learned from previous projects and frameworks, in that way this codebase has a quite long timeline and many experienced developers from multiple other free software projects upon whos shoulders this rests in some sense. If we only make the API public once the ultimate global optimum is reached we will never do so. What iam asking for is not that you declare a API public that you intend to change but that we commit to declaring the API public in the reachable future and not as a goalline that keeps shifting farther into the future forever. you may eventually be happy with the API in libavfilter but by the time others with other goals and oppinions will just start their journy. Also making the API public should be a real goal and be considered in the steps taken For example if AVFilterLink isnt intended to be substantially changed and is intended to be public when the API becomes public then i dont see why it should not stay public making it private, rewritig code, adding public accessors just to then make it public again and deprecate the accessors is a huge amount of wasted time. [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB If you fake or manipulate statistics in a paper in physics you will never get a job again. If you fake or manipulate statistics in a paper in medicin you will get a job for life at the pharma industry.
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