ffmpeg for EL7

[Orion Poplawski]

On 08/25/2016 07:39 AM, Ralf Corsepius wrote:
> On 08/25/2016 02:28 PM, Dominik 'Rathann' Mierzejewski wrote:
>> On Thursday, 25 August 2016 at 10:24, Ralf Corsepius wrote:
>>> On 08/25/2016 10:01 AM, Nicolas Chauvet wrote:
>> [...]
>>>> Specially as ffmpeg doesn't do symbol version, if one process has
>>>> dependencies using both version, it will crash.
>>> AFAIU, as long as these packages are properly linked (and not libraries
>>> not being dlopened), package deps on SONAMEs would conflict and thus
>>> prevent such problems.
>>
>> The point is that not all SONAMEs change with each FFmpeg version bump,
>> so, for example, ffmpeg-3.0.x and ffmpeg-3.1.x may have mostly the same
>> SONAMEs.
> 
> This would mean these are ABI compatible.
> 
> I haven't tried to check and verify actual situation wrt. ffmpeg.

Forward, not necessarily backward (compiled with 3.1, running with 3.0).  This
is where symbol versioning would help.

-- 
Orion Poplawski
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