[Bug 4258] Review request: libav - Audio and video processing libraries

[RPM Fusion Bugzilla]

http://bugzilla.rpmfusion.org/show_bug.cgi?id=4258

--- Comment #7 from Antonio Trande <anto.trande at gmail.com> ---
(In reply to Dominik 'Rathann' Mierzejewski from comment #6)
> Is there any real need for this package in RPMFusion? FFmpeg is almost 100%
> backwards compatible with libav. The one package that I thought still used
> bundled libav (gstreamer1-libav) actually switched back to FFmpeg last year.
> 
> Most of the symbols in the provided libraries have the same names, so you'd
> have to be extremely careful not to end up with another package depending on
> both ffmpeg-libs and libav in the future. Since libvdpau-va-gl (the
> vaapi-to-vdpau bridge that's required to use Intel GPUs via vdpau) depends
> on ffmpeg-libs, this might be trickier than you think. Even renaming the
> libraries and their sonames won't help here. You'd have to rename the
> symbols, too.
> 

We could set Conflicts tag to prevent 'libav' installation if FFmpeg is already
installed (and viceversa).

I don't know which one is the better today, but upstream says that 'FFmpeg' and
'libav' are different especially at API level.

I think that if it's possible, we can provide both and leave the choice to the
developers.

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