The existing av_csp_trc_func_from_id() mostly implements the OETF, except for PQ. As such, we are currently missing a precise definition of an ITU-R EOTF. Introduce the new functions av_csp_itu_eotf() and av_csp_itu_eotf_inv(), to fill this void. Note that this is not possible in all cases, e.g. AVCOL_TRC_LOG which has no corresponding EOTF definition in any ITU-R standard. Note that we cannot implement the proper HLG and SMPTE 428 OOTFs without access to all three color channels, because they are not independent per channel. As a result, we need to define them on double[3] instead of double (*func)(double).
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| @@ -2,6 +2,9 @@ The last version increases of all libraries were on 2024-03-07 · 1 unmodified line | |||
| 2 | 2 | ||
| 3 | API changes, most recent first: | 3 | API changes, most recent first: |
| 4 | 4 | ||
| 5 | 2024-12-05 - xxxxxxxxxx - lavu 59.49.100 - csp.h | ||
| 6 | Add av_csp_itu_eotf() and av_csp_itu_eotf_inv(). | ||
| 7 | |||
| 5 | 2024-12-05 - xxxxxxxxxx - lavu 59.48.100 - csp.h | 8 | 2024-12-05 - xxxxxxxxxx - lavu 59.48.100 - csp.h |
| 6 | Add av_csp_trc_func_inv_from_id(). | 9 | Add av_csp_trc_func_inv_from_id(). |
| 7 | 10 | ||