> -----Original Message-----
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf
> Of Mark Thompson
> Sent: November 27, 2017 3:11 PM
> To: FFmpeg development discussions and patches <ffmpeg-
> de...@ffmpeg.org>
> Subject: [FFmpeg-devel] [PATCH] Add HW H.264 and HEVC encoding for AMD
> GPUs based on AMF SDK
> From: mmironov <mikhail.miro...@amd.com>
> Requires AMF headers for at least version 1.4.2 (older versions do not
> support building with C).
> ---
> Uses upstream headers from <https://github.com/GPUOpen-
> LibrariesAndSDKs/AMF/tree/master/amf/public/include>.  I couldn't find an
> official install method so I've assumed that the AMF headers are under an
> AMF/ prefix (they have rather generic names, so they need something).  Just
> copying the two directories from the source path to /usr/local/include/AMF
> or similar is sufficient.
> I've also assumed that the features which don't yet exist upstream (H.264
> CONSTRAINED profiles) will appear in a future version 1.5.0.  There might be
> more version checking needed, but I'm not sure (newer version / older
> header should work because of the version initialisation, while older version
> / newer header fails at that maybe?).
> The OS checks are removed, it builds fine on Linux if you have the headers.

The public headers from github do not have several fixes that were done in the 
customized header. 
I could cherry-pick and push them but I did not test this for a while assuming 
that the custom header is used.

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