FA-11224 / Media timeline seeking / Member archive
Track timestamp offset applied once · case 04
Local track timestamps are mixed with the shared presentation timeline.
Case contract
Map track-local timestamps to the shared presentation timeline by adding one signed track offset.
Why this case matters
A deterministic local media controller stage; metadata and downloaded data are supplied explicitly. No external player, service or codec is required.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| fixture 1 | [0, 2] | [5, 7] | Failed |
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