Michał Górny wrote: > Title: USE=libav introduction > Author: Micha?? G??rny <[email protected]>
Your mailer doesn't set charset for the .txt attachment. > Content-Type: text/plain > Posted: 2015-01-yy > Revision: 1 > News-Item-Format: 1.0 > Display-If-Installed: media-video/ffmpeg > Display-If-Installed: media-video/libav > > The support for automatic choice between ffmpeg and libav is going to be > deprecated in favor of explicit choice via USE flags. This change aims > to solve multiple repeating issues, including Portage undesirably > wanting to replace one package with the other, subslot upgrade issues > and some of the hard-to-understand blocker issues. > > The current USE=ffmpeg will maintain its role of enabling optional > support for ffmpeg or a compatible implementation (libav) in a package. > However, whenever appropriate additional USE=libav will be introduced to > control the preference of libav over ffmpeg. > > Users who currently use libav (the Gentoo default) do not have to > perform any action since USE=libav is enabled by default. It should be > noted that those users will need to enable USE=ffmpeg on packages with > optional libav support as well. So far so good. > Users who want to use the ffmpeg fork instead need to specify USE=-libav > explicitly. "the ffmpeg fork" above is very confusing because libav is the ffmpeg fork, and I think what you mean here is simply "ffmpeg". I suggest: Users who want to use ffmpeg rather than libav where that is possible instead need to specify USE=-libav explicitly. > Please also note that some packages support only one of the two > implementations. An attempt to install one of those packages will result > in blockers unless the user changes the global USE=libav state. This isn't completely accurate.. It's enough to change USE=libav for the affected packages. I'm afraid I can't offer a wording suggestion on this one. :\ //Peter
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