[Bug 561225] Add support for VDPAU (PureVideo)

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=561225

Julien Isorce <julien.isorce at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |deathsimple at vodafone.de

--- Comment #25 from Julien Isorce <julien.isorce at gmail.com> ---
(In reply to Víctor Manuel Jáquez Leal from comment #24)
> I have been working on this, but still is a WIP. It is stalled on the frame
> parser for mpeg4 since I had to attend other tasks. Still, I just pushed my
> branch if somebody is willing to give a look:
> 
> https://gitlab.com/vjaquez-gstreamer/gst-plugins-bad/commits/vdp

Hi Victor, do you plan to finish that work ? (and bug #744698). Maybe it is
worth to attach for review what you got already ? I cannot access the gitlab
link anymore.
I would say the most interesting part would be to have gstvdpauh264dec and
gstvdpauvideopostprocess back (eventually gstvdpausink if you already ported
it).

I do not think anybody use the current gst-vdpau since it only supports mpeg2
so what you made is really valuable and would be a pity to not have it
upstream.

I am chasing this because today Christian Koenig (from AMD) submitted a patch
series for Mesa/Gallium to extend Gallium vdpau backend to support potential
new VDPAU functionality/API: VdpVideoSurfaceDMABuf and VdpOutputSurfaceDMABuf.
(Similar to vaAcquireBufferHandle in VAAPI). It aallow to export a surface as a
dma buffer and to use in conjunction with EXT_image_dma_buf_import.
See one of the patches: https://patchwork.freedesktop.org/patch/76129/ 

So Victor if you work is merged I might be interested to add support for
dmabuf.

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