Important

Please download Source Files Updated since 1.0 for fixes including an important fix to read large Exif headers properly. Compile these and prepend to your CLASSPATH for the fixes.
(Source files last updated on May 13 2006)

MediaUtil - A Java API Package for Media Related Utilities

Version 1.0 Updated October 1 2005
Page Updated May 13 2006

MediaUtil is an offshoot of the MediaChest Project to provide a well packaged Java API for Media Related Utilities.

Below is the Current API Offering from MediaUtil.

LLJTran

LLJTran is an API for performing Lossless Transformations on JPEG image files which also provides the Capability of handling Exif information. Following are the key features:

Supports lossless rotation, transpose, transverse and crop
Trimming or relocating Non Transformable edge blocks similiar to jpegtran or processing them like regular MCU blocks.
Reading and Modifying Image Header Information (Exif) including Thumbnail
Built-in transformation of Thumbnail and Orientation marker
Supports the IterativeReader and IterativeWriter interfaces in MediaUtil's mediautil.gen.directio package enabling things like Sharing the jpeg input file with say jkd's ImageReader while reading
Does not Support Multi-Threading for the same Object to be used simultaneously by more than one thread. However different threads can have their own LLJTran Objects.
Requires JDK 1.5

Documentation

To use Download mediautil-1.0.zip and extract it to a suitable folder. Then include the mediautil-1.0.jar file in your CLASSPATH. The download also includes source under the src directory and documentation including javadocs under the docs directory.

For Getting Started please see LLJTranTutorial.java which is a tutorial with different usage examples.

For an example on modifying GPS info in Exif see SetGpsInfo.java (It requires the latest fixes mentioned on top of this page).

For API reference please see the Javadocs.

Android Port

See http://github.com/bkhall/AndroidMediaUtil for an Android Port of MediaUtil.

Projects using the MediaUtil API

Please inform if your project/product is using MediaUtil so that we can add it to the below list:

MediaChest

SlideProject

Known issues

Exif parsing of certain vendor specifiic formats can issue memory overflow.

Contact

Dmitriy Rogatkin (metricstream@gmail.com)

Suresh Mahalingam (msuresh@cheerful.com)

License

MediaUtil is free to download, use, modify and redistribute for non-commercial and and commercial purposes without any warranties of course.

Other Projects of Dmitriy

Mediachest

Mini Java Web Server with Java container 2.3 API support

xBox - Bean box supporting XML serialization (do not confuse with proposed later java.beans.Encoder)

jAddressBook is an address book with float XML format of addresses and another profile information

Other Projects of Suresh

Jambula: A Lossless Date Stamper for Digital Pictures

AREDIS: An Asynchronous, pipelined redis client based on the Java 7 NIO Channel API

Json Browser: A Json Viewer that allows you to browse a json and copy fields