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Retest Kiyo Pro USB3 cadence

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Meta Vens 2026-05-21 21:32:30 +01:00
commit 9b2b0c0e80
5 changed files with 82 additions and 14 deletions
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10
notes/fresh-workspace-handoff.md
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@ -47,10 +47,12 @@ Get-Content .\state\evidence.jsonl -Tail 8
output management.
- Keep PowerShell/FFmpeg/SRT as bridge utilities until native program output
replaces them.
- Kiyo Pro has two UVC extension units, but the immediate 60 fps blocker now
looks like bus topology: the local Pro is behind a Genesys Logic USB hub as
USB high-speed / `bcdUSB=0x0210`, not SuperSpeed. Move/verify it on a USB 3.x
path before poking writable vendor selectors.
- Kiyo Pro has two UVC extension units. Moving it to a motherboard USB3 port
changed the descriptor path to `root_hub30` / `bcdUSB=0x0320` and exposed
720p/1080p YUY2/MJPG/H264/NV12 at 60 fps, but Windows still reports
`UsbHighSpeed` rather than `UsbSuperSpeed`; measured cadence remains about
25 fps across all tested formats. Verify cable/port SuperSpeed before poking
writable vendor selectors.
## Immediate Re-entry Instruction