chore(openjpeg): update OpenJPEG submodule to upstream v2.5.4

[sedghi]

Third codec submodule upgrade (after openjph #76, charls #77).

Bumps packages/openjpeg/extern/openjpeg from 2d606701 (~2.5.0-era, Oct 2022) to upstream OpenJPEG v2.5.4 (2025-09-20). Fork PR: cornerstonejs/openjpeg#3.

• No custom patches — clean version advance (fork had zero divergence).
• Same-minor-line jump (2.5.0 → 2.5.4), so API drift against our openjpeg glue should be small — but CI is the check.
• No Debug-build issue (openjpeg builds optimized by default).

CI validates compile against our glue + byte-identical pixel goldens + dist-size. Not built locally; iterating on CI. Not for merge.

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: c93e7297-b342-4e46-8f32-4d85d2c78e5b

📥 Commits

Reviewing files that changed from the base of the PR and between 9c086c9 and 3518c7d.

📒 Files selected for processing (1)

• packages/openjpeg/extern/openjpeg

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/openjpeg-submodule-2.5.4

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[codspeed-hq]

Merging this PR will improve performance by 7.97%

⚡ 1 improved benchmark
✅ 19 untouched benchmarks
⏩ 99 skipped benchmarks¹

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
⚡	WallTime	instantiate+destroy J2KDecoder x50	151.2 µs	140 µs	+7.97%

Tip

Curious why this is faster? Comment @codspeedbot explain why this is faster on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing chore/openjpeg-submodule-2.5.4 (3518c7d) with main (a88a461)²}

Footnotes

1. 99 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

2. No successful run was found on main (9c086c9) during the generation of this report, so a88a461 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

[sedghi]

Status: green except dist-size (small, expected size growth)

openjpeg v2.5.4 (from ~2.5.0-era, Oct 2022). All real checks pass: build, test, browser-smoke, CodSpeed. No build fixes, no glue changes — clean same-minor-line advance, no custom patches. Decode output byte-identical (goldens pass).

The one red — dist-size — is a modest, genuine size increase from ~3 years of upstream 2.5.x patches:

• openjpegjs.js +0.9% raw / +1.1% gzip
• openjpegjs_decode.js +1.4% / +1.8%
• openjpegwasm.wasm +0.9% / +1.3%

Not a bug — a re-baseline decision. This fits the "modest growth for currency/stability" bar.

Fork PR: cornerstonejs/openjpeg#3 — MERGEABLE.

Actions to merge

1. Merge fork openjpeg#3.
2. Re-baseline dist-size: gh run download <this-PR-run-id> --pattern 'dist-*' -D tmp/ && node tools/dist-size/check.js --update --artifacts tmp/ && commit (scoped to openjpeg's entries), then dist-size goes green.
3. Merge this PR.