imSp4rky b1158099d1 fix(dash): expand CICP enums to full H.273 range ...

Video.Range.from_cicp() crashed with ValueError on any CICP primaries, transfer, or matrix value outside the small subset previously enumerated (e.g. TransferCharacteristics=4 / BT.470M gamma 2.2 seen in SCTE-stitched live MPDs). Extend the three inner enums to cover all documented ITU-T H.273 / ISO/IEC 23001-8 values and fall back to Unspecified on unknown codes so SDR content no longer fails to parse.

Source: https://raw.githubusercontent.com/FFmpeg/FFmpeg/master/libavutil/pixfmt.h (authoritative implementation of ITU-T H.273 / ISO/IEC 23001-8 tables). ITU spec itself: https://www.itu.int/rec/T-REC-H.273

2026-04-24 11:50:27 -06:00

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