The Dahua Picture Overlay feature allows you to display custom local graphics (such as company logos or custom watermarks) directly on top of your live video stream. When this overlay goes missing or fails to display, it is typically caused by a configuration conflict, incorrect image formatting, or firmware glitches. 🔧 Top Quick Fixes for Missing Picture Overlays 1. Check for Feature Conflicts (The Most Common Cause)
Dahua firmware places strict operational limits on video overlays.
Disable Location Overlay: The system cannot run “Location” text tracking and custom “Picture Overlay” simultaneously. Navigate to your camera’s IPCOverlay menu via a web browser, disable the location function, and then check the box to enable the picture overlay. 2. Verify Image Formatting Rules
If you upload an incompatible image file, the system will silently fail to display it.
File Type & Size: Ensure the logo or watermark is strictly formatted as a BMP (24-bit) or PNG file, depending on your camera model. Keep the file size small (ideally under 16–20 KB).
No Spaces in Configuration Paths: If you are using API calls, Home Assistant, or third-party integrations to push overlays, avoid spaces. Spaces can break the display command. Use formatting like %20 or strings without spaces to test. 3. Re-Trigger the Overlay Frame
Sometimes the camera’s visual layers fail to refresh after a power flicker or system change. Home Assistant Dahua Integration questions – Page 5
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