add files from m63204. HEIF region tracks. Canon

MPEGGroup / FileFormatConformance

MPEG File Format Conformance Framework

BSD 3-Clause Clear License

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Open podborski opened 9 months ago

podborski commented 9 months ago

m63204 contains additional information which will be helpful to finalize this PR

cconcolato commented 5 months ago

Reviewers needed.

podborski commented 1 month ago

Is this also part of HEIF 2nd edition?