VideoLab
Programmable video
composition in .NET.
Combine video, audio and graphics. Inspect any frame, explore runtime bindings, and export standard media.
Public gallery · verified sample renders
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Video + audio showcase
0.00 / 6.00 sVerified render
Download the selected verified output. No browser re-encoding.
Composition timeline
Read-only · clips / transitions / titles / audioFrame values come from VideoLab's engine. Browser video seeking may land near the requested frame.
Editing properties
Timing is in frames. Source JSON defines trims, placement and transitions; exposed runtime controls update transforms and gain.
Frame details
View Composition → Result
Annotation data
This dataset is separate from the base composition. It generates the visible notes and markers.
Generated composition
Explore working compositions
Load a demo to update the preview, timeline, parameters and source together.