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live-ads §14.3 requires every Group of a listing to have an Object. The reference held the programme's listing to that and composed a creative's listing with an empty Group; the second implementation refused it. The text decides for the refusal and now says where: stitch_listing_malformed at the placement whose fill names the creative, after stitch_creative_unknown and before stitch_fill_exceeds_span; a listing no fill names is not read. live_ads::stitch::compose follows it. A stitching case of live-conformance/ad-signalling/ may state creatives' listings of its own (creatives, null for the corpus's). Two cases hold the rule from both sides, and the second implementation's check is its own (creative_group_has_object), so the corpus catches a verifier without it apart from the programme's: 63 of 63. Co-Authored-By: Claude Fable 5.2 <[email protected]>
39 lines
2.6 KiB
Markdown
39 lines
2.6 KiB
Markdown
# live-conformance/ad-signalling — ad creative signalling and content stitching over MoQ
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The corpus of [`extensions/live-ads.md`](../../extensions/live-ads.md) §13 and §14.
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- `vectors.json`: `jwks`, the key set every record is checked against, whose last key is of
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another curve and is passed over; `records`, records read
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on their own, each with what it is and whether its signature verifies, or the reason it does
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not read; `objects`, two Objects of records; `room`, a room in the form of
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[`../presentation/README.md`](../presentation/README.md) with, for each case, the records
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given for one session and the break and receipt each binds to, or the record refused and why;
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`stitch`, a programme's listing, the creatives' listings and, for each case, the listings it
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states in their place (`programme`, `creatives`; `null` for the corpus's), a recipe and the
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composed track it gives, or a composed track's listing and where it is refused; and
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`written`, the session origins and device bindings a stitcher's edge and its players write for
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the room of sessions of [`../ad-traffic/`](../ad-traffic/), with what the invalid-traffic rules
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decide from them.
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- `catalog.json`: a catalog that declares an ad creative timeline
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([moq-streaming-format](../../extensions/moq-streaming-format.md) §4.7), held by
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`wai/ietf/catalog_check.py --strict`.
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- `draft-vectors/`: the test vectors and the test key set of
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`draft-riedl-moq-ad-creative-signaling-01`, copied unchanged from the draft's source repository
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(github.com/riedlse/draft-riedl-moq-ad-creative-signaling, commit `443f90b2`). They are
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Contributions to the IETF Standards Process, under the IETF Trust's Legal Provisions (BCP 78).
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`vectors.json` names each by its file and states what a reader of §13 makes of it.
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Written by `tests/ad_signalling.rs` (`WAI_AD_SIGNALLING_WRITE=1 cargo test --features live_ads
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--test ad_signalling`), whose generator declares each outcome by hand and requires the reference
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to reach it. The second implementation, written from the text:
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```
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python3 -I live-conformance/ad_signalling_verify.py live-conformance/ad-signalling
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```
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It reads, canonicalises and verifies every record itself, verifies the room with the live-ads and
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ad-presentation second implementations, binds, composes and compares by §13.6, §14.3 and §14.4,
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rebuilds every origin and binding, judges the sessions with the ad-traffic second implementation,
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requires every changed copy of the corpus to fail, and switches off each of its own checks in
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turn: the corpus catches every one, the limits (65,536 bytes, 16 deep, 15 significant digits,
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64 slots) from both sides.
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