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MJ2 - Just Solve the File Format Problem

MJ2

From Just Solve the File Format Problem
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== Identification ==
 
== Identification ==
MJ2 files start with bytes <code>00 00 00 0c 6a 50 20 20 0d 0a 87 0a ?? ?? ?? ?? 66 74 79 70 6d 6a 70 32</code>.
+
MJ2 files start with bytes <code>00 00 00 0c 6a 50 20 20 0d 0a 87 0a 00 00 00 14 66 74 79 70 6d 6a 70 32</code>.
  
 
== Specifications ==
 
== Specifications ==

Revision as of 15:20, 21 October 2013

File Format
Name MJ2
Ontology
Extension(s) .mj2, .mjp2
MIME Type(s) video/mj2
LoCFDD fdd000127
PRONOM fmt/337

MJ2 (also known as Motion JPEG 2000 or Motion JPEG2000) is a video format defined by Part 3 of the JPEG 2000 standard. MJ2 supports audio as well.

Contents

Format

Like the other JPEG 2000 file formats, MJ2 files are structured as a sequence of objects called boxes. Codestreams in Motion JPEG 2000 files are JP2 codestreams, as defined for JPEG 2000.

Identifiers

The registered MIME type is video/mj2. At least one document[1] says it is video/mjp2 instead.

The preferred filename extension is .mj2. The MIME type registration lists .mjp2 as an alternate extension.

Identification

MJ2 files start with bytes 00 00 00 0c 6a 50 20 20 0d 0a 87 0a 00 00 00 14 66 74 79 70 6d 6a 70 32.

Specifications

Sample files

References

  1. Part 3 Final Proposed Draft Amendment 2

Links

Personal tools
Namespaces

Variants
Actions
Navigation
Toolbox

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