The JavaTM Media Framework (JMF) is an application programming interface (API) for incorporating media data such as audio and video into Java applications and applets. It is specifically designed to take advantage of Java platform features.
The JMF 1.0 API (the Java Media Player API) enables programmers to develop Java programs for playback of time-based media. The JMF 2.0 API extends the framework by providing support for capturing and storing media data, controlling the type of processing that is performed during playback, and performing custom processing on media data streams. In addition, JMF 2.0 defines a plug-in API that enables advanced developers and technology providers to more easily customize and extend JMF functionality.
The latest implemenation of this API from Sun is JMF 2.1.1b, which includes several improvements to RTP/RTSP components and numerous bug-fixes.
You can download all of the documentation for this release, including the setup information and sample code, from:
http://java.sun.com/products/java-media/jmf/2.1.1/documentation.html
Here are some quick instructions for installing JMF 2.1.1b. Complete instructions for setting up and running JMF are available from the JMF web site at:
http://java.sun.com/products/java-media/jmf/2.1.1/setup.html
The install package for Java clients is a zip file. Use a zip utility to extract the files and then set your class path to reference the JMF directory. For example:
On Solaris:
setenv JMFHOME /home/someuser/JMF2.1.1
setenv CLASSPATH $JMFHOME/lib/jmf.jar:.:${CLASSPATH}:On AIX:
setenv JMFHOME /usr/JMF2.1.1
setenv CLASSPATH $JMFHOME/lib/jmf.jar:.:${CLASSPATH}:On Windows:
set JMFHOME=C:\JMF2.1.1
set CLASSPATH=%JMFHOME%\lib\jmf.jar;.;%CLASSPATH%
The Solaris install package contains an exectuable installation program. Run the installation program to extract JMF and then set your class path to reference the JMF directory. For example:
setenv JMFHOME /home/someuser/JMF2.1.1
setenv CLASSPATH $JMFHOME/lib/jmf.jar:$JMFHOME/lib/sound.jar:.:${CLASSPATH}
You'll also need to set your LD_LIBRARY_PATH (shared libraries path) to point to the JMF libraries. For example:
setenv LD_LIBRARY_PATH $JMFHOME/lib:${LD_LIBRARY_PATH}
The Windows install package package contains an InstallShield installation program. Run the installation program to extract JMF and configure your environment variables.During installation, InstallShield should automatically set up your CLASSPATH and PATH:
set CLASSPATH=%JMFHOME%\lib\jmf.jar;%JMFHOME%\lib\sound.jar;.;%CLASSPATH%
set PATH=%WINDIR%\System32;%PATH% (on Windows NT)
set PATH=%WINDIR%\System;%PATH% (on Windows 95/98)
To verify that JMF is set up properly on your system, use the JMF Diagnostics applet at:
http://java.sun.com/products/java-media/jmf/2.1.1/jmfdiagnostics.html
During the installation, you will be asked two security related questions:
If you agree to this, JMF will allow applets to capture audio and video from the local capture devices. It is possible for a malicious hidden applet on a web page to quietly record sounds or video from your system and transmit the data back to a system on the internet. This is usually a risk only if you visit unfamiliar web sites.
You can disable or enable this feature by running the JMFRegistry application (or choose Preferences from the JMStudio File menu), modify the setting in the User Settings tab and commit the changes.
This is a greater security risk since a malicious applet can overwrite files on your hard disk without your knowledge. Enable this feature only if you need it for a specific application and are sure that you will not visit any possibly malicious web sites.
You can disable or enable this feature by running the JMFRegistry application (or choose Preferences from the JMStudio File menu), modify the setting in the User Settings tab and commit the changes.
This release contains the following directories:
Vendors must follow the terms of the JMF Binary Code License agreement, which includes these terms:
This Solaris and Windows version of the JMF comes with its own installer that simplifies the installation of JMF. Other versions of JMF are bundled in a zip file which needs to be unzipped to be installed.
Vendors have the option of delivering the Solaris, Windows, and/or zip install binaries with their software, and having the user run them separately, or to bundle JMF directly with the install procedures of thier software.
All the files and directories in the lib directory are required unless they are listed under Optional Files below or are removable using the JMF Customizer Tool. Likewise, this readme.html is a required file and must always be included with JMF 2.1.1b.
The following files are optional:
Java
TM Media Framework
(JMF) 2.1.1b
Binary Code License Agreement
READ THE TERMS OF THIS AGREEMENT AND ANY PROVIDED SUPPLEMENTAL LICENSE TERMS (COLLECTIVELY "AGREEMENT") CAREFULLY BEFORE OPENING THE SOFTWARE MEDIA PACKAGE. BY OPENING THE SOFTWARE MEDIA PACKAGE, YOU AGREE TO THE TERMS OF THIS AGREEMENT. IF YOU ARE ACCESSING THE SOFTWARE ELECTRONICALLY, INDICATE YOUR ACCEPTANCE OF THESE TERMS BY SELECTING THE "ACCEPT" BUTTON AT THE END OF THIS AGREEMENT. IF YOU DO NOT AGREE TO ALL OF THE TERMS, PROMPTLY RETURN THE UNUSED SOFTWARE TO YOUR PLACE OF PURCHASE FOR A REFUND OR, IF THE SOFTWARE IS ACCESSED ELECTRONICALLY, SELECT THE "DECLINE" BUTTON AT THE END OF THIS AGREEMENT.
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Java
TM Media Framework
(JMF) 2.1.1b
Supplemental License Terms
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This page was last modified on 27-Aug-2002
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