[FFmpeg-devel] [PATCH] Nvenc: Adding support for chroma qp offset for h264_nvenc and hevc_nvenc

[Timo Rothenpieler]

On 03.08.2021 12:46, Ricardo Monteiro wrote:
> Hello,
> 
> With the release of the Video Coding SDK 11.1 support for specifying 
> chroma QP offsets for Cb and Cr components was added.
> 
> To reproduce this the newest nv-codec-headers are necessary.
> 
> The new parameters are qp_cb_offset and qp_cr_offset for both h264_nvenc 
> and hevc_nvenc.

I do wonder if that information isn't (also) available via metadata on 
the incoming frames, so it could be inferred from those by default.

Other than that, this will need the usual header-version-guards so it 
doesn't break compatiblity with older headers and hence older drivers.

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