Multimedia device interface for retrieving and exploiting software and hardware capabilities
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United States of America Patent
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Mar 28, 2000
Grant Date -
N/A
app pub date -
Apr 25, 1996
filing date -
Apr 25, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
In a multimedia API, a method for returning hardware and software capabilities. Multimedia APIs for media devices such as a display device, a sound device and a 3D accelerator each include a function to return the hardware and software capabilities of a particular media device. The hardware capabilities refer to capabilities of a media device such as a display controller, sound device or 3D graphics accelerator, while the software capabilities refer to capabilities of an emulation layer used to emulate functions of a media device. In processing API requests, the multimedia API optimizes the performance of the request by identifying the requested capabilities and determining whether these capabilities are available hardware capabilities. If so, the API instructs the media device to perform the function and passes it the relevant parameters for the request. If not, the API tries to emulate the requested capabilities using the emulation layer.
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Family
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