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List:       fedora-devel-list
Subject:    Re: Looking for advice - ffmpeg-free and wf-recorder
From:       Samuel Sieb <samuel () sieb ! net>
Date:       2022-12-17 6:16:14
Message-ID: acb97505-3d15-041f-39ff-fb1e5d401a98 () sieb ! net
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On 12/16/22 21:29, Bob Hepple wrote:
> I am the packager for wf-recorder (a wl-roots/wayland screen recorder) 
> which presently resides in rpmfusion - it uses proprietary ffmpeg codecs 
> by default (libx246).
> 
> Now that we have ffmpeg-free we have an opportunity to move wf-recorder 
> to the mainstream and change the default codec to the non-proprietary 
> libopenh264. This woud be in rawhide/f38 and on.
> 
> This all works fine in testing on f37. The fly in the ointment is that 
> if ffmpeg/rpmfusion is installed in place of ffmpeg-free, then 
> wf-recorder can no longer access libopenh264 and fails with an error. 
> There is a workaround in the use of the option -c libx264.
> 
> Several solutions occur to me and I'm looking for guidance on which path 
> to take:
> 
> 0. leave wf-recorder where it is, in rpmfusion as in f37 and earlier.
> A. compile wf-recorder as shipped by upstream with the default libx264 - 
> the '-c libopenh264' workaround would be needed if ffmpeg-free is 
> installed. This annoys users who install stock fedora.
> B. compile wf-recorder with libopenh264 as the default - the '-c 
> libx264' workaround would be needed if ffmpeg/rpmfusion is installed and 
> would annoy those users.
> C. leave wf-recorder in rpmfusion and create a wf-recorder-free package 
> by analogy to ffmpeg (this might be obscure as it's not likely to get 
> much publicity - and annoy everyone sooner or later)
> D. the best option might be to choose a codec common to both ffmpeg and 
> ffmpeg-free. I'm not terribly au fait with the various codecs so which 
> would I choose? These codecs appear to be in both packages:

Can you have it try the alternate codec if the first option fails to load?
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