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adjustments_bluray/docs/AUTHORING.md
happy 9c88b8f7f6 Base: BD-J Adjustments Blu-ray scaffold 
Vendored BD-J SDK, tsMuxeR + local VLC plugins, ffmpeg asset generation,
and a signed BD-J Xlet menu (org.homebrew.MyXlet) authored into a UDF 2.50 ISO.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-25 14:47:05 -04:00

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Adjustments BD-J Authoring Notes

This project starts from the BD-J Linux SDK template disc metadata. The Xlet entry point is intentionally org.homebrew.MyXlet because vendor/bdj-sdk/resources/AVCHD/BDMV/BDJO/00000.bdjo launches that class.

The build does three separate jobs:

  1. ffmpeg generates a temporary 720p23.976 MPEG-2 elementary stream and AC-3 audio.
  2. tsMuxeR authors those streams into Blu-ray playlist, clipinfo, and M2TS files.
  3. The BD-J SDK signs BDMV/JAR/00000.jar and packages the final UDF 2.50 ISO.

Useful commands:

make bootstrap
make
make inspect
make run

Hidden-menu scaffold:

  • The visible menu has the main feature, two bonus-feature placeholders, and settings.
  • Pressing 6, 6, 6 opens the hidden placeholder menu.
  • The generated main feature is playlist 00000.

For real assets later, keep the 00000 numbering until the BDJO/index metadata is regenerated or replaced with an authoring tool that owns those files too.