How to program “sprites” in Indeo Video Interactive?
Some of Intel’s marketing material touts the ability to add sprites to applications using Indeo Video Interactive. Most of Intel’s technical documentation on Indeo and the API’s for using Indeo Video Interactive neglects to explain what Intel means by “sprite”. There is a brief mention in the Overview document for Indeo Video Interactive. Indeo “sprite” means TRANSPARENCY. Indeo Video Interactive supports TRANSPARENCY. Indeo has transparent pixels to create transparent backgrounds to implement effects such as chroma-keying. The well-known example of chroma-keying is the television weather forecaster standing in front of a satellite weather picture. The forecaster stands in front of a blue screen (sometimes a green screen) and video gadgetry replaced the blue color with another video signal. Anything that is not the blue “key” color is left unchanged. In Indeo jargon a “video sprite” is a foreground object such as the mythical weather-caster on a transparent background. Your application
