Logos
The Logos tab of the Assets section lists image assets — corner bugs and watermarks — that the runtime layer composites on top of a Live stream's output. The other Assets tab is Files.
What goes here
A logo is a standalone media file managed by C21 Live Control and reusable across Live streams. The catalogue is flat: a logo lives in the global logos bucket and any Live stream can pick it up at runtime.
Catalogue columns
| Column | Notes |
|---|---|
| File | Filename (sortable). |
| Size | Human-formatted size (68 Bytes, 3 KB, 23 MB). |
The toolbar exposes the primary action Upload file(s) and a search box that filters the list by filename substring.
Runtime use on a Live stream
The runtime cluster on the Live stream options view exposes the Apply logo action — runtimeApplyLogo on the API. It sets (or clears) the logo filename and on-screen position on a running broadcast without stopping it. Sending an empty filename clears the logo while preserving the position for a later call.
Cross-links
- Live stream options — runtime operations cluster.
- Apply logo overlay — end-to-end walkthrough.
- Files — the other Assets tab, broadcast files for blackouts and slates.
FAQ
runtimeApplyLogo) and one blackout / file slot (via runtimeApplyBlackout) per Live stream. The logo composites over whatever is running, including a blackout file.runtimeApplyLogo with an empty filename. The position is preserved so a follow-up call brings the same logo back to the same spot.