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Capture Ownership

ConWan30 edited this page Aug 10, 2026 · 1 revision

Capture ownership

Rule

One physical DirectShow capture device has one owner.

Pattern Physical card Qoresence streamer When
B (recommended) Qoresence Physical index (e.g. USB3.0 Video = 0) Daily pilot going forward
A (legacy) OBS OBS Virtual Camera index Only if you need OBS Preview on the card

Why

Dual-open causes black frames, thrash, and failed starts. Qoresence owns the card for full-rate OCR, FrameHub, Monitor, and IVC. OBS (optional) uses Browser Source for Lens and game/display capture for RTMP — not the same DShow device.

Full doc: docs/OBS_OWNS_CARD.md

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