Demultiplexer application programming interface
CA 2438418 A1 · Owner: Dunbar, Geoffrey T. · Inventors: Speed, Robin C. B.; Ludwig, C. Alan; Dunbar, Geoffrey T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A set of interfaces and data structures (i.e. a demultiplexer API) for representing, a demultiplexer of multimedia data is presented. The data structure utilizes a number of, fields, each containing an element of a command. In one embodiment at least , seven, commands are formed for proper operation of the demultiplexer; including Initialize, SetPresentationDescriptor, GetPresentationDescriptor GetPendingPresentationDescriptor, ProcessInput ProcessOutput, and Flush , commands. The demultiplexer API allows the consumer to use muxed stream data such as DV in a, uniform manner to generate elementary stream data such as audio and video (compressed, or uncompressed) and allows …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 21, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 21, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 21, 2025.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.