On 2018-11-06 11:21 a.m., Alexis Ballier wrote: > On Tue, 6 Nov 2018 11:09:17 -0500 > Rich Freeman <[email protected]> wrote: > >> On Tue, Nov 6, 2018 at 10:57 AM Alexis Ballier <[email protected]> >> wrote: >>> >>> On Tue, 06 Nov 2018 17:08:22 +0200 >>> Mart Raudsepp <[email protected]> wrote: >>> >>>> It is not GStreamer fault that ffmpeg breaks API and ABI without >>>> parallel installability, much less so the distro maintainers of >>>> it. If you/upstream don't make it parallel installable, then this >>>> is what you get. >>> >>> Are you, seriously, suggesting this is the solution to all problems >>> here ? >>> >> >> It isn't the only solution, but it is one sane upgrade path. You >> can't expect everybody to update their software overnight when the API >> changes. That means you have to support the old API for a while when >> you introduce a new one, otherwise you end up with some software that >> doesn't work with the old version, and some software that doesn't work >> with the new version. > > > These days, only symbols/constants that have been deprecated (and > marked as such) for a couple of releases are removed. This means people > see warnings for more than one year before seeing them gone for good. > The problem here is not "overnight changes" but rather consumers not > paying attention to those warnings, or worse, nobody ever seeing those > because it's unmaintained. >
But we aren't upstream most of the time, and if upstreams are pegging their ffmpeg to a single version they don't bother to try the newer one to find out the errors. Take Kodi, v17.x is pegged to no newer than ffmpeg-3.3.x as I recall, and has been blocking even v3.4's installation for the year'ish it's been in the gentoo repo. So this "people see warnings" thing, it really doesn't apply, unless you (A) have the desire and resources to build and maintain a patch for upstream, and (B) have an upstream with the desire and resources to support more than the one version of ffmpeg for a given release set. Both, IMO, are in very short supply.
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