Try .mov with an alpha channel.

GT Title designer will import .psd files, image files but not video.

*************************************************

"There are two editions of the designer, Standard and Advanced, each with a different set of features as described below:

Standard


GPU accelerated titles and graphics
Add Text, Rectangles, Ellipses, Images, 3D Text and Tickers
4-way Tickers allow movement left to right, right to left, top to bottom, bottom to top at a customisable speed.
Supports an unlimited number of layers and groups (up to GPU memory limits)
Supports all Windows compatible fonts and languages
Powerful text formatting including auto size, auto shrink, word wrapping and auto upper case.
Shadow, Reflection, Skew, Crop and Mask effects
Fully integrated into vMix including support for Data Sources and vMix Social


Advanced


All the features in Standard plus:



Add animation/transition effects to all objects and layers
TransitionIn, TransitionOut animations
Continuous animation for constant animation effects such as rotation and gradient/texture offsets
DataChangeIn, DataChangeOut animations to occur before and after text or image data changes
Page1-10 animations for multi-step animation triggering
Import PSD files and convert any text elements into data driven objects


Standard is included with all editions of vMix, Advanced is available in 4K and Pro."

Install the NDI tools,

newtek-alpha.png (3kb) downloaded 8 time(s).



Steve

I have had some success with webM files