Brad Hards

Possible false positive for heif file extension

3

**Describe the issue** I am trying to validate a file that (I hope) is close to compliant with ISO/IEC 23008-12:2022. The CW results include some things that are likely actual...

uncompressed: add icbr and cmpC box dump

4

From 23001-17 draft AMD2. Also includes some minor typo fixes I noted while reading. I'll split those out if you'd prefer.

HEIF image sequence has false positives

1

**Describe the issue** ISO/IEC 23008-12:2022 has requirements that apply to images (essentially section 6) and image sequences (section 7). CW appears to apply all the requirements to image sequences, although...

# Status - [x] I looked for a similar issue and couldn't find any. - [x] I tried with the latest version of GPAC. Installers available at https://gpac.io/downloads/gpac-nightly-builds/ - [x]...

evc: initial work for EVC

4

Initial work on EVC. No codec yet, just the basic box.

`prfr` is the OMAF ProjectionFormatBox, which is nested within the `povd` container. See ISO/IEC 23090-2:2023 Section 7.6.2.2 for both. There is an image property for `prfr`, which is the same...

The CompatibleSchemeTypeBox (`csch`) identifies the scheme type that the track belongs to. See ISO/IEC 14496-12:2022 Section 8.15.5 This is used for restricted video, for example OMAF - Garage_qp28.mp4 as a...

fix: add box(-like) names for sample entries

3

### Description Adds display names for sample entries. I use mp4box.js to display the file structure - https://gpac.github.io/mp4box.js/test/filereader.html or a local instance. The box tree has names for most things,...