Unicode
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| Type | Text encoding standard | |
|---|---|---|
| Developer | Unicode Consortium | |
| First Release | 1991 | |
| Open Format? | Yes | |
| Free Format? | Yes | |
Unicode is a standard character set: an assignment of numeric values to characters. A huge number of characters from various writing systems (modern or ancient), as well as special symbols of many types, are each given a number. On Blu-ray, Unicode is used for text-based subtitles and text fonts, it is also the standard used in coding Java.
Read more »HDMV Navigation Command Language
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| Type | Command language | |
|---|---|---|
| Paradigm | Stack-based, label-driven | |
| Designed by | ? | |
| Developer | Blu-ray Disc Association | |
| First Release | 2006 | |
| Latest Release | 2016 | |
| Typing discipline | Static Typing w/ Implicit Handling | |
| Open Format? | Yes | |
| Free Format? | ? | |
| Filename extensions | MovieObject.bdmv |
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| Magic Number | MOBJ0100 MOBJ0200 (BD) MOBJ0300 (UHD) |
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HDMV mode uses the HDMV Navigation Command Language (or Navi Commands) for it's HDMV interactive applications. It is used primarily for scripting menu navigation and button actions, its typing discipline is relatively straightforward. It is also used to program the menu's Interactive graphics and animations.
Read more »JavaScript
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| Type | Programming /scripting language | |
|---|---|---|
| Paradigm | Multi-paradigm: event-driven, functional, imperative, procedural, object-oriented | |
| Designed by | Brendan Eich of Netscape initially; others have also contributed to the ECMAScript standard | |
| Developer | ECMA (Current) | |
| First appeared | December 4 1995 | |
| Typing discipline | Dynamic, weak, duck | |
| Open Format? | Yes | |
| Free Format? | Yes | |
| Filename extensions | .js* |
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| Magic Number | None | |
JavaScript (sometimes abbreviated JS) is a scripting language commonly implemented as part of a web browser in order to create enhanced user interfaces and dynamic websites, but also used in other contexts (such as server-side JavaScript). This is not the same as Java. People constantly get confused about that. JavaScript is not part of the Blu-ray specifications, but it can be optionally used.
Metadata
XML
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| Type | Markup Language | |
|---|---|---|
| First published | February 10, 1998 | Latest version | 1.1 (2nd ed.) September 29, 2006 |
| Designed by | Tim Bray, Jean Paoli, Michael Sperberg-McQueen, Eve Maler, François Yergeau, John W. Cowan | |
| Developer | World Wide Web Consortium (W3C) | |
| Filename extension | .xml |
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| Open Format? | Yes | |
| Free Format? | Yes | |
| Magic Number | ><?xml |
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Extensible Markup Language (XML) is a markup language and file format created by W3C in 1998 for storing, transmitting, and rebuilding arbitrary data.
Read more »Java
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| Type | Object-oriented programming language | |
|---|---|---|
| Paradigm | Multi-paradigm: generic, object-oriented (class-based), functional, imperative, reflective, concurrent | |
| Designed by | James Gosling | |
| Developer | Oracle Corporation (current), Sun Microsystems (original) | |
| First appeared | May 23, 1995 | |
| Typing discipline | Static, strong, safe, nominative, manifest | |
| Memory management | Automatic garbage collection | |
| Open Format? | Yes (Java 1.3) | |
| Free Format? | Yes (Java 1.3) | |
| Filename extensions | .java .class .jar .jmod |
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| Magic Number | ? | |
Java is a high-level, class-based, object-oriented programming language originally developed by James Gosling at Sun Microsystems (which has since merged into Oracle Corporation) based on an earlier project to develop a programming language for embedded cable television systems, and released in 1995 as a core component of Sun Microsystems' Java platform. There are 3 billion devices that runs Java, mostly phones, Blu-ray players, servers, and TV sets.
Read more »File Directory
The Blu-ray disc uses the Universal Disk Format (UDF) 2.50 developed by the Optical Storage Technology Association (OSTA) is an open, vendor-neutral file system for data storage for optical discs and it's a compatible-friendly format for both Personal Computers and consumer electronics environments. A BDMV application has a standard file structure similar to the DVD. Read more »
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