[FFmpeg-devel] [PATCH v2 05/16] swscale/utils: read dynamic HDR10+ metadata from AVFrame
Michael Niedermayer
michael at niedermayer.cc
Wed Dec 11 02:53:38 EET 2024
Hi
On Fri, Dec 06, 2024 at 03:32:04PM +0100, Niklas Haas wrote:
> From: Niklas Haas <git at haasn.dev>
>
> Logic ported from libplacebo's AVFrame helpers. The basic idea is to use the
> provided MaxRGB/MaxSCL values to infer what the actual luminance would have
> been, which HDR10+ metadata does not provide directly. It's worth pointing out
> that this gives us an *upper* bound on the true maximum luminance, so any
> error in the estimation cannot result in clipping.
> ---
> libswscale/utils.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 50 insertions(+)
probably ok
thx
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Those who are too smart to engage in politics are punished by being
governed by those who are dumber. -- Plato
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