Glossary
Quick definitions for the terms you will encounter across CanvasPro. For the narrative version of how these things fit together, see Core concepts.
Content
| Term |
Definition |
| Asset |
A media file or live source (video, image, NDI feed, SDI feed, HTML5 page, JSON, text). |
| Template |
A Ventuz scene structure with variable slots. Defines the look; scenes fill the slots. |
| VZA |
Ventuz scene archive. The standard format for uploading a Ventuz-authored template. |
.cpre |
Preset file format, uploaded from the Templates page Presets tab. |
| Preset |
A saved template configuration. Multiple presets can share the same template. |
| Scene |
An instance of a template with concrete values in its variable slots. The cued unit. |
| Queue |
A playlist of scenes (or of other queues). Walks through items in order. |
| Channel |
A container of queues, assigned to a frame. Decides what is on screen over time. |
| Frame |
An output region in the graphics engine. A frame maps to a display or a sub-region of a video processor. |
Scheduling and operation
| Term |
Definition |
| Condition |
A rule that decides whether a scene or queue is valid right now. CanvasPro's scheduling primitive. |
| Valid |
A scene or queue whose conditions are currently met, so it can play. |
| Invalid |
A scene or queue whose conditions are not met. The queue skips past it. |
| Cue and Take |
The two-step workflow for safe live operation: cue to preview, take to send live. |
| Force Live |
Operator action that overrides the schedule with a chosen scene or queue. |
| Domination |
Per-queue mode that controls how new content takes over: interrupt the current item, or play next. |
| Pinned variable |
A template variable marked so an operator can edit it from On Air without forcing the scene live. |
Engine
| Term |
Definition |
| Ventuz |
The real-time 3D graphics engine that CanvasPro uses for rendering. |
Apps
| Term |
Definition |
| App |
A first-party extension that adds a feature surface to CanvasPro. |
| Term |
Definition |
| Ingest Location |
A folder or remote location CanvasPro watches for new assets. Can copy on ingest or reference in place. |
| NDI |
Network Device Interface. A standard for sending video over IP. CanvasPro supports NDI 6. |
| SDI |
Serial Digital Interface. The broadcast standard for video over coaxial cable. |