[FFmpeg-devel] [PATCH v2] avcodec/dxva2: add support for HEVC RExt DXVA profiles

[Hendrik Leppkes]

On Thu, Nov 14, 2024 at 10:57 AM Steve Lhomme <robux4 at ycbcr.xyz> wrote:
>
> Hi,
>
> For the record we have been running this in VLC for quite some time,
> only for Intel hardware.
> https://code.videolan.org/videolan/vlc/-/blob/3.0.x/contrib/src/ffmpeg/0001-avcodec-dxva2_hevc-add-support-for-parsing-HEVC-Rang.patch?ref_type=heads
> https://code.videolan.org/videolan/vlc/-/blob/3.0.x/contrib/src/ffmpeg/0002-avcodec-hevcdec-allow-HEVC-444-8-10-12-bits-decoding.patch?ref_type=heads
> https://code.videolan.org/videolan/vlc/-/blob/3.0.x/contrib/src/ffmpeg/0003-avcodec-hevcdec-allow-HEVC-422-10-12-bits-decoding-w.patch?ref_type=heads
>
> It seems the MS GUID are not the same as Intel...
>

The GUIDs and the struct itself are not identical to Intels
proprietary format. Luckily Intel supports the official MS version in
their latest drivers, so the proprietary version can just be buried
and forgotten.

- Hendrik