Re: [FFmpeg-devel] [PATCH] avcodec: Pass the HDR10+ metadata to the packet side data in VP9 encoder

Re: [FFmpeg-devel] [PATCH] avcodec: Pass the HDR10+ metadata to the packet side data in VP9 encoder

[Michael Niedermayer]

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On Thu, Jun 17, 2021 at 10:20:44PM -0700, Mohammad Izadi wrote:
> HDR10+ metadata is stored in the bit stream for HEVC. The story is different for VP9 and cannot store the metadata in the bit stream. HDR10+ should be passed to packet side data an stored in the container (mkv) for VP9.
> 
> This CL is taking HDR10+ from AVFrame side data in libvpxenc and is passing it to the AVPacket side data.
> ---
>  doc/APIchanges         |  2 +
>  libavcodec/avpacket.c  |  1 +
>  libavcodec/decode.c    |  1 +
>  libavcodec/libvpxenc.c | 91 ++++++++++++++++++++++++++++++++++++++++++
>  libavcodec/packet.h    |  8 ++++
>  libavcodec/version.h   |  4 +-
>  6 files changed, 105 insertions(+), 2 deletions(-)

Why is this HDR10+ metadata passing done inside libvpxenc.c and not
in generic code ?
in generic code it could be enabled for other encoders.
Supporting HDR10+ with other codecs in matroska would make sense

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Complexity theory is the science of finding the exact solution to an
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