Add T.35 metadata tool and SMPTE ST 2094-50 support#63

Draft

podborski wants to merge 97 commits intomasterfrom

Commits on Apr 23, 2025

Commits on Apr 28, 2025

ISOAddT35GroupDescription and other things
podborski
committed

Commits on Jul 8, 2025

Commits on Sep 9, 2025

add a simple test for T35 mebx
podborski
committed

Commits on Sep 15, 2025

Commits on Oct 2, 2025

Add inject and extract of SMPTE ST 2094-50 metadata from json file
Ronan Boitard
committed

Commits on Oct 21, 2025

Merge pull request #1 from img-standards/smpte_st_2094_50

podborski
authored and
GitHub Enterprise
committed

Commits on Nov 6, 2025

Fix gain max/span
Ronan Boitard
committed
put as text
podborski
committed

Commits on Nov 15, 2025

search for correct mebx track, never give up :)
podborski
committed

Commits on Nov 17, 2025

Fix headroom offset and scaling (application version = 1111)
ronan-boitard
committed
Merge branch 't35_mebx' of https://github.pie.apple.com/img-standards/isobmff-internal into t35_mebx
ronan-boitard
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write SEI T.35 header correctly
podborski
committed

Commits on Nov 21, 2025

Update to use structure rather flat list and use latest version
ronan-boitard
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Add classes for SMPTE 2094-50 -> Inject only working
ronan-boitard
committed

Commits on Nov 22, 2025

Update decoding
ronan-boitard
committed

Commits on Nov 27, 2025

Commits on Dec 1, 2025

Pull and push data using simple function to make code simpler
ronan-boitard
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Add dumping metadata items to json
ronan-boitard
committed

Commits on Dec 22, 2025

Add payload_data to metadataItems -> need to remove intermediate .bin file
ronan-boitard
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Update naming of component mix flag
ronan-boitard
committed

Commits on Jan 8, 2026

Merge pull request #2 from img-standards/ST2094_PCD_V2

podborski
authored and
GitHub Enterprise
committed

Commits on Jan 13, 2026

Commits on Jan 15, 2026

Latest PC2 Update and cleaning some debug command
ronan-boitard
committed
Added verbose level amd cleaned up logging
ronan-boitard
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Remove intermediate binary data file
ronan-boitard
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Auto-adjust metadata duration when exceeding video length
ronan-boitard
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add T35 metadata track sample entry and box
podborski
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Implement convenience API for easy track creation
podborski
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make sure trackreference type can be provided as arg
podborski
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implement dedicated T.35 track stuff
podborski
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me4c extractor + auto extractor
podborski
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make sure to use prefix in extraction mode. add tests
podborski
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make sure we can handle multiple keyboxes with same ns and value
podborski
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me4c seem to work now
podborski
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cache track reader
podborski
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add track caching to other 2 extractors
podborski
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add sample groups
podborski
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reuse existing sample group description if found
podborski
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Add Readme.md
ronan-boitard
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Fix Printing metadata when no HATM
ronan-boitard
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Add displaying of metadata when SMPTE at decode time
ronan-boitard
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Commits on Jan 19, 2026

Commits on Jan 28, 2026

Commits on Feb 10, 2026

bugfix QTFF keys
podborski
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ST2094-50: fix quantization constant and refine logic for common flag. Add json testing with video
Ronan Boitard
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Merge branch 't35_tool' into t35_mebx

Ronan Boitard
authored and
GitHub Enterprise
committed
Merge pull request #4 from img-standards/t35_mebx

Ronan Boitard
authored and
GitHub Enterprise
committed
remove mebx with it35 namespace as it was not agreed at MPEG
podborski
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remove t35C as it was not agreed at MPEG
podborski
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cleanup testdata for t35_tool
podborski
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remove legacy code
podborski
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test scripts updates
podborski
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me4c bugfix
podborski
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clangformat
podborski
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Commits on Feb 16, 2026

ST2094-50 Remove extra byte when no headroom-adaptive tone mapping
Ronan Boitard
committed

Commits on Feb 17, 2026

Commits on Feb 18, 2026

Commits on Feb 25, 2026

[ST2095-50] common flag check fix
Ronan Boitard
committed

Commits on Mar 2, 2026

Dedicated-it35 Fix close media edits
Ronan Boitard
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Commits on Mar 3, 2026

[ST2094-50] Fix at decode scaling of component mix when not equal to 1.0
Ronan Boitard
committed

Commits on Mar 10, 2026

Commits on Mar 24, 2026

Commits on Mar 25, 2026

Fix c-cpp CI for Windows (#69)
y-guyon
authored

Commits on Mar 27, 2026

Add t35_identifier_length and move descr to hrsd
y-guyon
committed

Commits on Mar 30, 2026

Commits on Mar 31, 2026

Factor out common code between T35 Strategy files (#72)
maryla-uc
authored

Commits on Apr 1, 2026

Commits on Apr 15, 2026