[Bug 796921] Hardware accelerated {en,de}coder classification and probing support

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri Aug 10 15:13:55 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=796921

--- Comment #8 from Olivier CrĂȘte <olivier.crete at ocrete.ca> ---
Limits for "real time" capabilities are quite hard to achieve in a generic way
as they are bound by multiple things: memory (max frame size/max dpb size),
processing power (max macroblocks/s etc).. And it's hard to do it in a generic
way, especially that as far as I know, none of the underlying APIs offer that
information. 

My guess is that you want to be able to return them as RFC 4281/6381 codecs ?
I think we could easily add the maximum level to the caps.. The problem is
where to get that information? From some kind of configuration file? I guess
the only benefit to putting it at the GStreamer level instead of being
application specific is that you can share it between different applications?

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