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[idd] hdr: propagate per-frame HDR metadata

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Handle DEFAULT, NEW, and UNCHANGED IDDCX HDR10 metadata states and
publish valid mastering metadata through KVMFR. Preserve the metadata
across post-processing without reallocating resources for
metadata-only changes.
This commit is contained in:
Geoffrey McRae
2026-07-19 02:13:57 +10:00
parent 624fa9f8bc
commit 1f6dbb0dae
8 changed files with 139 additions and 38 deletions
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5
idd/LGIdd/CPostProcessor.h
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@@ -42,6 +42,7 @@ struct D12FrameFormat
FrameType format = FRAME_TYPE_INVALID;
bool hdr = false;
bool hdrPQ = false;
bool hdrMetadata = false;
uint32_t sdrWhiteLevel = KVMFR_SDR_WHITE_LEVEL_DEFAULT;
// HDR static metadata (SMPTE ST 2086)
@@ -49,9 +50,9 @@ struct D12FrameFormat
uint16_t displayPrimary[3][2];
// White point in 0.00002 units
uint16_t whitePoint[2];
// Max display luminance in 0.0001 cd/m² units
// Max mastering display luminance in whole cd/m²
uint32_t maxDisplayLuminance;
// Min display luminance in 0.0001 cd/m² units
// Min mastering display luminance in 0.0001 cd/m² units
uint32_t minDisplayLuminance;
// MaxCLL and MaxFALL in cd/m²
uint32_t maxContentLightLevel;