[Bug 766050] Add Low power, High performance h264 encoder support

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=766050

Gwenole Beauchesne <gb.devel at gmail.com> changed:

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--- Comment #5 from Gwenole Beauchesne <gb.devel at gmail.com> ---
(In reply to sreerenj from comment #4)
> (In reply to Tim-Philipp Müller from comment #3)
> > Out of curiosity, why was this not added as a flag to the existing "tune"
> > property? Even more so seeing that it's part of the GstVaapiEncoderTune
> > flags in the encoder API.
> > 
> 
> Damn, how did i miss it!! Somehow i was thinking tuning property only for
> Low/Medium/High compression which are based on coding tools like cabac,
> 8x8dct etc. low-power-mode is something which is using a new hardware block
> in lower level.  
> 
> Surely we should use "tune" options.

Yes, you should use the tune=low-power option, that was designed as is for
VDENC too. :) That way, you respect the constraints of VDENC wrt. the
acceptable set of coding tools.

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