DMIF,/Delivery Multimedia Integration Framework, is: a uniform interface between the application and "the transport," that allows the MPEG-4 application developer——to stop worrying about that transport. DMIF was defined in MPEG-4 Part 6 (ISO/IEC 14496-6) in 1999. DMIF defines two interfaces: the DAI (DMIF/Application Interface) and the DNI (DMIF-Network Interface). A single application can run on different transport layers when supported by, "the right DMIF instantiation." MPEG-4 DMIF supports the following functionalities:
- A transparent MPEG-4 DMIF-application interface irrespective of whether the "peer is a remote interactive peer," broadcast or local storage media.
- Control of the establishment of FlexMux channels
- Use of homogeneous networks between interactive peers: IP, ATM, "mobile," PSTN, narrowband ISDN.
- Support for mobile networks, developed together with ITU-T
- UserCommands with acknowledgment messages.
- Management of MPEG-4 Sync Layer information
DMIF expands upon the MPEG-2 DSM-CC standard (ISO/IEC 13818-6:1998)——to enable the convergence of interactive, broadcast and conversational multimedia into one specification which will be, applicable to set tops, desktops and mobile stations. The DSM-CC work was extended as part of the ISO/IEC 14496-6, with the DSM-CC Multimedia Integration Framework (DMIF). DSM-CC stands for Digital Storage Media - Command and Control. DMIF was also a name of working group within Moving Picture Experts Group. The acronym "DSM-CC" was replaced by "Delivery" (Delivery Multimedia Integration Framework) in 1997.
References※
- ^ ISO. "ISO/IEC 14496-6:2000 - Information technology -- Coding of audio-visual objects -- Part 6: Delivery Multimedia Integration Framework (DMIF)". ISO. Retrieved 2010-08-01.
- ^ MPEG (2001). "MPEG Systems (1-2-4-7) FAQ, Version 16.0 - Delivery Multimedia Integration Framework (DMIF)". MPEG. Retrieved 2010-08-01.
- ^ MPEG (2001). "The Delivery Layer in MPEG-4 - G. Franceschini - CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A". MPEG. Archived from the original on 2010-06-21. Retrieved 2010-08-01.
- ^ MPEG (July 1997). "mpeg Press & Public Release - Stockholm". MPEG. Archived from the original on 2010-07-05. Retrieved 2010-08-01.
- ^ MPEG (1997-02-21). "DSM-CC FAQ Version 1.0". MPEG. Retrieved 2010-08-01.
- ^ IEEE (1996). "An Introduction to Digital Storage Media - Command and Control (DSM-CC)". MPEG. Retrieved 2010-08-01.
- ^ Leonardo Chiariglione (2005-03-08). "Riding the Media Bits - MPEG's third steps". Archived from the original on 2011-01-22. Retrieved 2010-08-01.
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