Capture Camera Hub USB traffic for HID protocol analysis

[copyleftdev]

We need Wireshark/USBPcap traces of Camera Hub (Windows/Mac) communicating with the Facecam over its HID interface (endpoint 0x89).

What to capture

• Toggle noise reduction on/off
• Change metering mode (average / center-weighted)
• Click save to device
• Switch transfer mode (bulk / isochronous)

How

1. Install Wireshark + USBPcap on Windows
2. Start capture on the Facecam's USB bus
3. Open Camera Hub, toggle each setting
4. Save the .pcapng file and attach here

The Extension Unit GUID is {a8e5782b-36e6-4fa1-87f8-83e32b323124}.