[FFmpeg-devel] [PATCH 4/7] hwcontext_opencl: Add support for mapping DRM objects to Beignet

[Rostislav Pehlivanov]

On 12 March 2018 at 12:30, Mark Thompson <sw at jkqxz.net> wrote:

> On 12/03/18 00:22, Mark Thompson wrote:
> > On 11/03/18 23:59, Rostislav Pehlivanov wrote:
> >> On 11 March 2018 at 22:41, Mark Thompson <sw at jkqxz.net> wrote:
> >>
> >>> Also use that to support mapping VAAPI to Beignet.
> >>> ---
> >>>  configure                    |  16 +--
> >>>  libavutil/hwcontext_opencl.c | 264 +++++++++++++++++++++---------
> >>> -------------
> >>>  2 files changed, 138 insertions(+), 142 deletions(-)
> >>>
> >>> ...
> >>>
> >>
> >> Doesn't seem to work, at least on my machine:
> >> DRM frame layer 0 plane 0 is not representable in OpenCL: -22
> >
> > What driver and input/output formats are you using?  What are the
> versions of all the relevant components, so I can maybe try to reproduce
> it?  (beignet, i965, libva, mesa, libdrm, .. others?)
>
> Fixed in discussion on IRC - BGR0 from kmsgrab is not a valid format for
> OpenCL because of the padding, using BGRA instead works.
>
> - Mark
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Patch LGTM