On 10/11/2020 10:38, Hans Verkuil wrote: > On 09/11/2020 20:53, Nicolas Dufresne wrote: >> Le lundi 09 novembre 2020 à 19:31 +0200, Stanimir Varbanov a écrit : >>> Hello, >>> >>> This patchset adds two HDR10 HEVC v4l2 controls for Content Light Level >>> and Mastering display colour volume plus implenmentation in Venus encoder >>> driver. >>> >>> Comments are welcome! >> >> It is not a formal review, but I did walked through the new API and >> everything looks fine to me. One question though, are you aware that >> the H.264/AVC equivalent is identical ? What is you plan for that ? > > Not only that, but these structures are lifted straight from the > CTA-861-G standard: see "6.9 Dynamic Range and Mastering InfoFrame" > and "6.9.1 Static Metadata Type 1". Correction: the CTA-861-G lifted it from SMPTE ST-2086 in turn. Regards, Hans > > So this is equally useful for HDMI receivers and transmitters. > > Actually, include/linux/hdmi.h contains a struct for that, but it seems > to be missing a lot of fields. But we need a v4l2 control anyway and hdmi.h > isn't a good fit for that. > > Regards, > > Hans > >> >>> >>> regards, >>> Stan >>> >>> Stanimir Varbanov (3): >>> v4l: Add HDR10 HEVC static metadata controls >>> docs: media: Document CLL and Mastering display >>> venus: venc: Add support for CLL and Mastering display controls >>> >>> .../media/v4l/ext-ctrls-codec.rst | 61 +++++++++++++++++++ >>> drivers/media/platform/qcom/venus/core.h | 3 + >>> drivers/media/platform/qcom/venus/hfi_cmds.c | 8 +++ >>> .../media/platform/qcom/venus/hfi_helper.h | 20 ++++++ >>> drivers/media/platform/qcom/venus/venc.c | 29 +++++++++ >>> .../media/platform/qcom/venus/venc_ctrls.c | 16 ++++- >>> drivers/media/v4l2-core/v4l2-ctrls.c | 61 +++++++++++++++++++ >>> include/media/hevc-ctrls.h | 41 +++++++++++++ >>> include/media/v4l2-ctrls.h | 2 + >>> 9 files changed, 240 insertions(+), 1 deletion(-) >>> >> >