Documentation:Modules/bluescreen

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Revision as of 12:26, 22 January 2008 by Dionoea (talk | contribs) (New page: {{Module|name=bluescreen|type=Video filter|first_version=0.9.0|description=change the video's alpha channel}} This filter can be used in the mosaic framework to set a video's alpha channe...)
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Module: bluescreen
Type Video filter
First VLC version 0.9.0
Last VLC version -
Operating system(s) all
Description change the video's alpha channel
Shortcut(s) -

This filter can be used in the mosaic framework to set a video's alpha channel (or transparency) based on a pixel's color. This is also known as green screen or chroma key blending and can be used to create effects like on most weather channels.

  • bluescreen-u <integer> : U chroma component (0 to 255) default value: 120
  • bluescreen-v <integer> : V chroma component (0 to 255) default value: 90
  • bluescreen-ut <integer> : U chroma component threshold (0 to 255) default value: 17
  • bluescreen-vt <integer> : V chroma component threshold (0 to 255) default value: 17

Example use: TODO

See also: