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feat(tracks): add Video.hdr10_base and forward s_lang over remote and REST

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A DV track with an HDR10 base (profile 8.1) lists as DV+HDR10; dl_params now carry s_lang.
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imSp4rky
2026-10-27 13:06:48 -06:00
parent 0440f2ba54
commit 9017ab95b7
12 changed files with 54 additions and 13 deletions
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docs/dev/service-architecture.md
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@@ -457,6 +457,7 @@ the API surface.
Two DV mechanisms sit on top of the track model. **DV fixup** re-exposes DV signalling on
HLS and DASH streams that carry a valid DV RPU but advertise plain HEVC, with DV only in the
supplemental codecs (`dv_compatible_bitstream`). `--list` shows such a track as `HDR10+DV` or `HDR10P+DV`.
A service sets `hdr10_base` on a DV track that has an HDR10 base layer (DV profile 8.1), and `--list` shows it as `DV+HDR10`.
**Hybrid** processing (`Video.Range.HYBRID`) selects an HDR10(+) base and a DV donor,
extracts the RPU with `dovi_tool`, and injects it onto the base layer, to make a single
track that carries both HDR10 metadata and the DV RPU. Both are automatic once the