open-standards/wai/pack-conformance/multi/multi-captions-01/policy.toml
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wai.graphics.vector is registered, and graphics-vector §6 is written: packages and floors
SPEC §5 registers wai.graphics.vector as a payload of class StandardDefined,
lossless, standalone, royalty-free, with the registry's new media class
`graphics`. Its payload format, WVG1 with the WOS1 sets it names, is fixed.

graphics-vector §6 defines what a package reads of a document:

- §6.1 the window slice: a piece is the document with its window and its
  stated costs set and nothing else changed;
- §6.2 the document digest, the same for a document and every window slice of
  it; a package verifier refuses a component whose pieces differ
  (graphics-document-mismatch);
- §6.3 the text floor: a floor rung of wai.text.zstd, each piece's transcript
  in a Zstandard frame of raw blocks that has one encoding per content;
- §6.4 captions: blocks of purpose caption, subtitle and forced_narrative are
  held to a text component in their language whose cues carry the same strings
  over the same milliseconds (caption_without_track).

wai-vector computes each (package.rs; `document`, `slice`, `floor`,
`captions`), wai-pack writes and verifies them, and a graphics document with
caption blocks now packs beside the text components that carry them
(pack-caption-blocks is withdrawn). A packager reads the capability from the
registry, so a royalty-free package may carry it.

Conformance: vector-conformance gains the group `packages` (a document, its
three window slices, a second document), and pack-conformance/multi gains
multi-captions-01. tools/wai_vector_check.py and
pack-conformance/multi_verify.py recompute both; multi_verify.py plants four
faults that leave a piece consistent in every other respect, each found by its
own check and taken with that check left out, and tests/multi.rs plants the
same in sealed packages.

Co-Authored-By: Claude <[email protected]>
2026-11-10 17:29:14 -05:00

101 lines
1.4 KiB
TOML

schema = "wai.pack.policy/1"
asset_id = "multi-captions-01"
royalty_free_only = false
lead = "v"
[[component]]
id = "v"
media = "video"
source = "video-base-01.y4m"
[component.timebase]
num = 25
den = 1
[[component]]
id = "g"
media = "graphics"
source = "g.wvg1"
[component.timebase]
num = 25
den = 1
[[component]]
id = "t"
media = "text"
source = "t.vtt"
lang = "en"
[component.timebase]
num = 1000
den = 1
[[component]]
id = "u"
media = "text"
source = "u.vtt"
lang = "fr"
[component.timebase]
num = 1000
den = 1
[segmentation]
target_ms = 2000
min_ms = 1000
max_ms = 4000
[[ladder]]
id = "b0"
component = "v"
capability = "wai.video.int_motion"
role = "base"
params = { block = 16, search = 4, mv_precision = 1, q_candidates = [16, 12, 8], max_sse_px_milli = 30000 }
[[ladder]]
id = "f0"
component = "v"
capability = "wai.video.av1"
role = "floor"
params = { source = "supplied" }
[[ladder]]
id = "g0"
component = "g"
capability = "wai.graphics.vector"
role = "base"
[[ladder]]
id = "g1"
component = "g"
capability = "wai.text.zstd"
role = "floor"
params = { source = "encode" }
[[ladder]]
id = "t0"
component = "t"
capability = "wai.text.timed"
role = "base"
[[ladder]]
id = "u0"
component = "u"
capability = "wai.text.timed"
role = "base"
[floor]
supplied_listing = "6b5ed967f771b936390b4101743a6f6fec8bf0fa2abd1165add3e750b0b86dab"
[[class]]
id = "tv"
max_layer = 0
[[class]]
id = "mobile"
max_kbps = 100
[[class]]
id = "legacy"
floor_only = true