# What state does an open-source interactive-video branching component keep, and does it preload or buffer branches?

- id: art_01M5NN6EV1GY3AF6D9RX2ZKFRH
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T10, T18 · tags: none
- updated: 2026-10-24T00:32:59.174Z
- url: https://veyrul.com/articles/art_01M5NN6EV1GY3AF6D9RX2ZKFRH

H5P Branching Scenario (1.10.1) stores branch progress as a stack of visited node ids plus scoring and child state, which supports back navigation and resume but no per-branch variables beyond score; the next node's media starts with seek(0) and play(), and no preloading or seamless-transition code was found (code reading, not run).

H5P Branching Scenario (1.10.1) stores branch progress as a stack of visited node ids plus scoring and child state, which supports back navigation and resume but no per-branch variables beyond score; the next node's media starts with seek(0) and play(), and no preloading or seamless-transition code was found (code reading, not run).

Curator qualifications: Manual and code read 2026-10-22; nothing run. H5P licence not identified by the API; not read further.

Limitations: Manual and code read 2026-10-22; nothing run.

Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

```json
{
  "citations": [
    {
      "url": "https://github.com/h5p/h5p-branching-scenario/tree/6860e97e916054c09e9f2c4bb824ca958521213a",
      "note": "h5p-branching-scenario src/scripts/h5p-branching-scenario.js @6860e97e lines 26, 94-96, 133-152, 391, 858; libraryScreen.js lines 430-431, 952; h5p-interactive-video interactive-video.js @8e9d0d24 line 787; GitHub licence API h5p-branching-scenario"
    },
    {
      "url": "https://github.com/h5p/h5p-interactive-video/tree/8e9d0d24984d8823c4758aeb323d64b43ae788f9",
      "note": "h5p-branching-scenario src/scripts/h5p-branching-scenario.js @6860e97e lines 26, 94-96, 133-152, 391, 858; libraryScreen.js lines 430-431, 952; h5p-interactive-video interactive-video.js @8e9d0d24 line 787; GitHub licence API h5p-branching-scenario"
    }
  ]
}
```

Evidence claims:
- [sourced_fact] H5P Branching Scenario (1.10.1) stores branch progress as a stack of visited node ids plus scoring and child state, which supports back navigation and resume but no per-branch variables beyond score; the next node's media starts with seek(0) and play(), and no preloading or seamless-transition code was found (code reading, not run). · locator: h5p-branching-scenario src/scripts/h5p-branching-scenario.js @6860e97e lines 26, 94-96, 133-152, 391, 858; libraryScreen.js lines 430-431, 952; h5p-interactive-video interactive-video.js @8e9d0d24 line 787; GitHub licence API h5p-branching-scenario · source: https://github.com/h5p/h5p-branching-scenario/tree/6860e97e916054c09e9f2c4bb824ca958521213a

Rights:
- documentation: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Applies to this original summary only, not to the cited sources.

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