Avid Technology Limited

Raymond H Tice

Shailendra Mathur

Michel Eid

Daniel Beaudry

Mathieu Lamarre

A portable development and execution framework for processing media objects. The framework involves: accepting an instruction to perform a media processing function; accepting a media object to be associated with the media processing function; wrapping the media object with an attribute that specifies a type and format of the media object, and a hardware domain associated with the media object; and causing an execution domain to perform the media processing function on the media object. The instruction to perform the media processing function is expressed in a form that is independent of the hardware domain associated with the media object, and may also be independent of the type and format of the media object. The media object may be an image, and the media processing function may include an image processing function performed on a GPU.

Framework to integrate and abstract processing of multiple hardware domains, data types and format

When processing a time varying effect that positions an input image into an interlaced output image, the input image is filtered first. The filtered input image then is positioned in the output image by mapping one line in the output image to one line in the input image space. The input image may be filtered once and the filtered image may be used to create all output fields for the effect. Thus, the overhead per output field used to create the output field from the input image is reduced in comparison to filtered subpixel positioning. In addition, equipment that is capable of performing only unfiltered subpixel positioning may use the filtered input image to reduce interlaced artifacts.

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Billerica, MA, United States of America

Raymond H Tice