This way, the production team could see exactly how the actor looked when composited over the background image.
The camera’s live signal would be routed through a keyer in the control room and delivered back to an on-set monitor. In the days of analog video, chromakey was accomplished in the TV studio in realtime.
The keyed output is published as a Syphon stream for other applications to use.
Mimolive windows movie#
Movie playback can be controlled from the keyboard for easy cueing and rehearsal. (See the Camera Compatibility page for complete info.) The foreground and background layers can be independently scaled, positioned, and mirrored (so your actors don’t see themselves backwards). The foreground / background sources include FaceTime cameras, USB webcams, HDMI capture cards, Syphon streams, and pre-recorded movies or stills. CamTwist Studio has a chromakey feature, but it’s buried pretty deep.)Ĭhroma Key Live performs a basic realtime chromakey (AKA “greenscreen”) on your computer screen, in HD resolutions, with adjustable tolerance and edge fade. (There are other free solutions: OBS Studio has a chromakey filter built-in. We didn’t need the advanced features of professional software like Veescope, Wirecast, MimoLive or VirtualEyez so I made my own solution. It features Syphon I/O, HD resolutions and full GPU acceleration.Ī few years ago, some of my students were doing a green-screen shoot and needed to visualize the chromakey while shooting, so their actors could see the composite while they performed. Chroma Key Live “keys out” selected areas of live video, allowing a background to show through.
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