Viewerframe Mode — Refresh Work
viewerframe mode refresh refers to a specific URL pattern used to access and control Axis network cameras
Issue 2: Screen Tearing (Partial Refreshes)
- Mode: Choose "Efficient mode" to save power. Only refresh when a new sensor value arrives.
- Refresh work: Use a double buffer with a DMA engine. The CPU prepares the next ViewerFrame while the display hardware reads the current one.
- Critical pattern: Implement a watchdog timer. If the refresh work takes longer than 1.5x the expected interval, reset the graphics pipeline.
2. Scope
: Modern cloud-based camera viewers still prioritize features like "frame mode refresh" to ensure smooth, responsive viewing across different internet-connected devices. ONVIF Standards : Most modern cameras now follow ONVIF (Open Network Video Interface Forum) viewerframe mode refresh work