Coding-independent code points
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Coding-independent code points (CICP) is a way to signal the properties of a video or audio stream. It can describe the color profile of videos (and still images) in a simpler way than the use of ICC profiles. It is defined in both ITU-T H.273 and ISO/IEC 23091-2. It is used by multiple codecs including AVC[citation needed], HEVC,[citation needed] VVC, and AVIF.
Standardization
- , for video.
- , part of MPEG-B (system technologies). Later split into three parts: , for systems. , for video. (Revised by ). , for audio.
Common CICP values
Common combinations of H.273 parameters are summarized in ITU-T Series H Supplement 19.
| Code point value | Meaning | |
|---|---|---|
| Transfer function | 1, 6, 14, 15 | SDR (Rec. 709) |
| 16 | PQ | |
| 18 | HLG | |
| Color primaries | 1 | Rec. 709, sRGB |
| 5 | Rec. 601 (PAL) | |
| 6 | Rec. 601 (NTSC) | |
| 9 | Rec. 2020, Rec. 2100 | |
| 12 | P3-D65 | |
| Matrix coefficients | 0 | R'G'B' |
| 1 | Y'CbCr (for Rec. 709) | |
| 5, 6 | Y'CbCr (for Rec. 601) | |
| 9 | Y'CbCr (for Rec. 2020, Rec. 2100) | |
| 14 | ICtCp (for Rec. 2100) |