[Bug 753591] vaapi: encoders: implement "direct-uploading"

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri Oct 28 10:44:44 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=753591

--- Comment #13 from sreerenj <bsreerenj at gmail.com> ---
(In reply to Víctor Manuel Jáquez Leal from comment #12)
> (In reply to sreerenj from comment #11)
> > (In reply to Josep Torra Valles from comment #9)
> 
> > > It almost doubles encoder performance.
> > > 
> > > Being able to stream 2x4K at 28 and 3x4K at 22 when without it I can just 1x4K at 28
> > > in my hardware without using LP mode. 
> > 
> > Good, but not enough ;),,,
> 
> Josep asked me if we are going to push this for 1.10. @Sree, what do you
> thing? 
> IMO if we push this, we also should merge Julien's work for dmabuf to
> downstream.

Hm, it could be too late for 1.10... I would prefer to not push for 1.10...Also
this requires regression testing in multiple platforms..

> 
> > I guess you are testing with out dmabuf, right ?
> > Wondering what is performance gap between dmabuf and non-dmabuf mode...
> 
> In the case if dmabuf to upstream, I don't see more room for improvement
> (perhaps I'm missing something), but disabling the linear storage flag in
> the allocator creation.

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