Objects
Type of format | Data format and Object file | |
---|---|---|
First released | 2006 | |
Developer | Blu-ray Disc Association | |
Filename extension | MovieObject.bdmv
| |
Limits | 1,001 Objects allowed | |
Open Format? | Yes | |
Free Format? | ? | |
Magic Number | MOBJ0100 MOBJ0200 (BD) MOBJ0300 (UHD-BD) |
|
Type of format | Data format | |
---|---|---|
First released | 2006 | |
Developer | Blu-ray Disc Association | |
Filename extension | xxxxx.bdjo
| |
Limits | 1,001 Objects allowed | |
Open Format? | Yes | |
Free Format? | ? | |
Magic Number | BDJO0100 BDJO0200 (BD) BDJO0300 (UHD-BD) |
|
There are two types of programmable "Objects", Movie Objects (HDMV mode) and BD-J Objects (BD-J mode).
A Movie Object is an executable program with a set of navigation commands that start playlist playback upon user instruction or execute another Movie Object. Its magic numbers are MOBJ0100 and MOBJ0200. For Ultra HD Blu-ray, its magic numbers are MOBJ0300.
A BD-J Object is a table of Java applications or command programs called Xlets, that trigger Playlist playback, other Movie or BD-J Objects, and Java programs. Its magic numbers are BDJO0100 and BDJO0200. For Ultra HD Blu-ray, its magic numbers are BDJO0300.
Both of these types of Objects can be mixed together in the same disc. Movie Objects are stored in the MovieObject.bdmv file and BD-J Objects are stored in the BDJO directory. Only 1,001 Objects are allowed.
Author(s) : Æ Firestone
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