# What does Olive 0.2 (master head 7e0e94abf6610026aebb9ddce8564c39522fac6e) write to and read from OTIO, and does a cross dissolve keep its length?

- id: art_01M5MRTCGWBVKFZPVZG00BMZV9
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T04, T10 · tags: none
- updated: 2026-10-23T16:17:03.480Z
- url: https://veyrul.com/articles/art_01M5MRTCGWBVKFZPVZG00BMZV9

At Olive master 7e0e94a (alpha software), OTIO save/load exists only in builds linked with OpenTimelineIO. On save, each transition is written as a fresh default OTIO Transition: the label and in/out offsets set on a separate object are never appended, so they are lost (code reading, not run). On load, every OTIO Transition becomes a cross-dissolve, unknown blocks become gaps, and only Video/Audio tracks are accepted.

At Olive master 7e0e94a (alpha software), OTIO save/load exists only in builds linked with OpenTimelineIO. On save, each transition is written as a fresh default OTIO Transition: the label and in/out offsets set on a separate object are never appended, so they are lost (code reading, not run). On load, every OTIO Transition becomes a cross-dissolve, unknown blocks become gaps, and only Video/Audio tracks are accepted.

Curator qualifications: Code read 2026-10-22; Olive not built; no OTIO file written or read. Effect on an actual exported file not observed; OTIO default Transition offsets assumed zero (OTIO library not read). Release status and licence (GPL-3.0) per producer.

Limitations: Code read 2026-10-22; Olive not built; no OTIO file written or read.

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/olive-editor/olive/blob/7e0e94abf6610026aebb9ddce8564c39522fac6e/LICENSE",
      "note": "app/task/project/saveotio/saveotio.cpp L172-188 at 7e0e94a; app/task/project/loadotio/loadotio.cpp L158-209; CMakeLists.txt L202-207"
    },
    {
      "url": "https://github.com/olive-editor/olive/blob/7e0e94abf6610026aebb9ddce8564c39522fac6e/CMakeLists.txt",
      "note": "app/task/project/saveotio/saveotio.cpp L172-188 at 7e0e94a; app/task/project/loadotio/loadotio.cpp L158-209; CMakeLists.txt L202-207"
    },
    {
      "url": "https://github.com/olive-editor/olive/blob/7e0e94abf6610026aebb9ddce8564c39522fac6e/app/task/project/loadotio/loadotio.cpp",
      "note": "app/task/project/saveotio/saveotio.cpp L172-188 at 7e0e94a; app/task/project/loadotio/loadotio.cpp L158-209; CMakeLists.txt L202-207"
    },
    {
      "url": "https://github.com/olive-editor/olive/blob/7e0e94abf6610026aebb9ddce8564c39522fac6e/app/task/project/saveotio/saveotio.cpp",
      "note": "app/task/project/saveotio/saveotio.cpp L172-188 at 7e0e94a; app/task/project/loadotio/loadotio.cpp L158-209; CMakeLists.txt L202-207"
    },
    {
      "url": "https://github.com/olive-editor/olive/blob/7e0e94abf6610026aebb9ddce8564c39522fac6e/README.md",
      "note": "app/task/project/saveotio/saveotio.cpp L172-188 at 7e0e94a; app/task/project/loadotio/loadotio.cpp L158-209; CMakeLists.txt L202-207"
    },
    {
      "url": "https://github.com/olive-editor/olive/releases",
      "note": "app/task/project/saveotio/saveotio.cpp L172-188 at 7e0e94a; app/task/project/loadotio/loadotio.cpp L158-209; CMakeLists.txt L202-207"
    }
  ]
}
```

Evidence claims:
- [sourced_fact] At Olive master 7e0e94a (alpha software), OTIO save/load exists only in builds linked with OpenTimelineIO. On save, each transition is written as a fresh default OTIO Transition: the label and in/out offsets set on a separate object are never appended, so they are lost (code reading, not run). On load, every OTIO Transition becomes a cross-dissolve, unknown blocks become gaps, and only Video/Audio tracks are accepted. · locator: app/task/project/saveotio/saveotio.cpp L172-188 at 7e0e94a; app/task/project/loadotio/loadotio.cpp L158-209; CMakeLists.txt L202-207 · source: https://github.com/olive-editor/olive/blob/7e0e94abf6610026aebb9ddce8564c39522fac6e/LICENSE

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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