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OCAP is the Java based software/middleware portion of the OpenCable initiative. OCAP is based on the Globally Executable MHP (GEM)-standard, and was defined by CableLabs. Because OCAP is based on GEM, it has a lot in common with the Multimedia Home Platform (MHP)-standard defined by the DVB project. At present two versions of the OCAP standard ...
When the message is received, the receiver will have access to any references included in the message. attenuation A common design pattern in object-capability systems: given one reference of an object, create another reference for a proxy object with certain security restrictions, such as only permitting read-only access or allowing revocation.
The basic purpose of DCAS was to implement DRM protection in software, supported by future OCAP-compliant consumer devices such as digital televisions, DVRs, and set-top boxes (still required to support legacy non-OCAP-compliant devices). This would secure the information transmitted in the link between the cable company and the consumer device.
With MHP as its center, OCAP provides a common specification for the middleware layer in the cable systems within the United States. Since DVB standards are not used in the United States, OCAP is based on parts that are not DVB-specific, replacing DVB-specific parts with others. Originally, OCAP was based on the 1.0.0 version of the MHP standard.
OCAP may stand for: Ontario Coalition Against Poverty; OpenCable Application Platform; Object-capability model ("Object Capabilities") First Nations principles of ...
June 2017) (Learn how and when to remove this message) ( Learn how and when to remove this message ) Channel-Zero encoding, in video surveillance or NVR systems, is an option to configure the video recorder to stream a video feed composed of multiple camera views (channels) in one split-picture view.
Multimedia Home Platform (DVB-MHP) is an open middleware system standard designed by the DVB project for interactive digital television.The MHP enables the reception and execution of interactive, Java-based applications on a TV-set.
A PC-based DVR's architecture is a classical personal computer with video capture cards designed to capture video images. An embedded type DVR is specifically designed as a digital video recorder with its operating system and application software contained in firmware or read-only memory.