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2160p HDR to 1080p HDR
#1
hi 
again

i recently did an encoding from 2160p to 1080p hdr ,and the result was a slightly different color..

[Image: Screenshot-2025-09-20-121604.png]



did i miss something or should i expect results from dimension reduction
also , i did the following:
enable hdr + cll and fall from input + resize method 9-lanczos

and i missed those :
enable hdr opt
enable master display


..
the source MediaInfo 
Color range                              : Limited
Color primaries                          : BT.2020
Transfer characteristics                : PQ
Matrix coefficients                      : BT.2020 non-constant
Mastering display color primaries        : Display P3
Mastering display luminance              : min: 0.0050 cd/m2, max: 4000 cd/m2
Maximum Content Light Level              : 10000 cd/m2
Maximum Frame-Average Light Level        : 596 cd/m2
Original source medium                  : Blu-ray

the result:
Bit rate                                : 18.0 Mb/s
Width                                    : 1 920 pixels
Height                                  : 1 080 pixels
Display aspect ratio                    : 16:9
Frame rate mode                          : Constant
Frame rate                              : 23.976 (24000/1001) FPS
Color space                              : YUV
Chroma subsampling                      : 4:2:0
Bit depth                                : 10 bits
Bits/(Pixel*Frame)                      : 0.362

Color range                              : Limited
Color primaries                          : BT.2020
Transfer characteristics                : PQ
Matrix coefficients                      : BT.2020 non-constant
Maximum Content Light Level              : 10000 cd/m2
Maximum Frame-Average Light Level        : 596 cd/m2
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Messages In This Thread
2160p HDR to 1080p HDR - by Erikk64 - 20.09.2025, 11:38
RE: 2160p HDR to 1080p HDR - by Selur - 20.09.2025, 12:17
RE: 2160p HDR to 1080p HDR - by Erikk64 - 20.09.2025, 12:58
RE: 2160p HDR to 1080p HDR - by Selur - 20.09.2025, 13:12
RE: 2160p HDR to 1080p HDR - by Selur - 20.09.2025, 13:24
RE: 2160p HDR to 1080p HDR - by Erikk64 - 20.09.2025, 13:44
RE: 2160p HDR to 1080p HDR - by Selur - 20.09.2025, 13:51
RE: 2160p HDR to 1080p HDR - by Erikk64 - 20.09.2025, 14:00
RE: 2160p HDR to 1080p HDR - by Selur - 20.09.2025, 14:13

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