Test patterns and LED grids for Resolume, drawn live at the output's own raster: SMPTE bars, grids, LED tile maps, pixel checks and a frame counter for measuring latency. An FFGL source plugin.
open-source cpp latency glsl alignment broadcast resolume vj ffgl smpte video-effects live-events live-visuals test-patterns led-wall pixel-mapping colour-bars
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Updated
Nov 3, 2026 - C++