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<H1>Bento4 MP4 Class Library/SDK</H1>
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The sourceforge project page is at <A HREF="http://www.sourceforge.net/projects/bento4">http://www.sourceforge.net/projects/bento4</A><br>
Please visit the <a href="http://zebulon.bok.net/trac/Bento4">TRAC site</a> for complete access to the most up-to-date source control releases, bugs/tickets, and wiki.
<h2>Introduction</h2>
Bento4/AP4 is a C++ class library designed to read and write ISO-MP4 files.
This format is defined in ISO/IEC 14496-12, 14496-14 and 14496-15.<br>
The format is a derivative of the Apple Quicktime file format.
Because of that, Bento4 can be used to read and write a number of Quicktime files as well, even though some Quicktime specific features are not supported.<br>
ISO-MP4 files are also used as part of the 3GPP family of standards(<a href="http://www.3gpp.org">http://www.3gpp.org</a>
In addition, Bento4 supports a number of extensions as defined in various other specifications.
This includes some support for ISMA Encryption as defined in the ISMA E&A specification (<a href="http://www.isma.tv">http://www.isma.tv</a>),
the OMA 2.0 and 2.1 DCF and PDCF specification (<a href="http://www.openmobilealliance.org">http://www.openmobilealliance.org</a>). The PIFF encrypted, fragmented MP4 format specified by Microsoft and used for encrypted HTTP Smooth Streaming is also supported (<a href="http://go.microsoft.com/?linkid=9682897">Protected Interoperable File Format (PIFF) specification</a>.<br>
Recent versions of Bento4 now have some support for the ISO base file format part of MPEG DASH (ISO/IEC 23009-1) including Commone Encryption (ISO/IEC 23001-7)<br>
Bento4 also supports 3GPP and iTunes compatible metadata. <br>
The SDK includes a number of command line tools, built using the class library, that serve as general purpose tools as well as examples of how to use the API.<p>
The SDK is designed to be cross-platform. The code is very portable; it can be compiled with any sufficiently modern C++ compiler. The code does not rely on any external library; all the code necessary to compile the SDK and its tools is included in the standard distribution. The standard distribution contains makefiles for unix-like operating systems, including Linux, project files for Microsoft Visual Studio, and an XCode project for MacOS X.
<h3>Documentation</h3>
Introduction to the <a href="/docs/html/index.html">SDK's programming interfaces, a building guide, and a detailed API documentation</a>.
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