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I spotted what looks like a typo in MIAF ISO/IEC 23000-22:2019 DAmd 2.
The file has Reference number ISO/IEC 23000-22:2019/DAM 2:2021(E). Near the bottom of page 5, it says:
> _In subclause 7.3.…
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Per ISOBMFF (ISO/IEC 14496-12:2020) § 4.2.1, fields of type `utf8string` are
> UTF-8 string as defined in IETF RFC 3629, null-terminated.
See [this AVIF sample](https://github.com/image-rs/image/f…
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I would like to report an unneeded change in MIAF ISO/IEC 23000-22:2019 DAmd 2.
The file has Reference number ISO/IEC 23000-22:2019/DAM 2:2021(E). In the middle of page 6, it says:
> _Change the…
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Hi all --
In having some discussions with @wantehchang, we were curious if there was an official fallback value for the `matrixCoefficients` enum, when it is unspecified. Should we fallback to BT70…
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Section 6.4. AVIF Advanced Profile says:
> The following additional constraints apply to all AV1 Image Items:
>
> - The AV1 profile shall be the High Profile and the level shall be 6.0 or lower.…
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I would like to comment on a change to 7.3.6.7 "Clean aperture, rotation and mirror" in MIAF ISO/IEC 23000-22:2019 DAmd 2.
The file has Reference number ISO/IEC 23000-22:2019/DAM 2:2021(E). On page…
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Hi
I think there is some issue with encoder that prevents files with alpha channel being displayed. I encoded this file:
![trp](https://user-images.githubusercontent.com/275348/106133070-0fd2da80-61…
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MIAF paragraph 7.4.2:
> Thumbnail or auxiliary sequences shall conform either to the requirements of the same MIAF codec profile as the MIAF image sequence or video to which it is linked, or to the…
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https://gpac.github.io/ComplianceWarden-wasm/avif.html gives me MIAF errors saying that I have construction_method > 0 for coded image items for [animals_00_multilayer_lsel.avif.zip](https://github.co…
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Needs to be robust to RS5 and below.