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README

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+3GPP AAC+ High Efficiency Advanced Audio Codec v2 (HE-AAC+) Encoder Shared Library
+
+3GPP released reference implementation of 3GPP AAC Advanced Audio -
+(HE-AAC+) Encoder (3GPP TS 26.410 V8.0.0).
+
+http://www.3gpp.org/ftp/Specs/html-info/26410.htm
+
+Reference implementation is available as a source code, but the code uses
+#define to choose code options. In world of GNU-Linux, there is a common
+practice to compile such code as a shared library.
+
+Due to restrictive license, the reference implementation is not part of
+this package and it is dowloaded from 3GPP during build. If you want to
+build this package without network access, you either have to put the
+original source code ZIP file to the unpacked wrapper code directory or
+you have to use full source core (see below).
+
+This package converts 3GPP TS 26.410 V8.0.0 reference implementation of HE-AAC+
+encoder to a shared library. It has exactly the same API, but some calls 
+are wrapped by macros to call proper variant of the function.
+
+For more see readme.txt and 26410-800.doc, which comes with the original code.
+
+This wrapper fixes some bugs of original code.
+I will accept patches for it, if 3GPP will not release fixed implementation.
+
+To use package compiled by this code, you may need a license from 3GPP.
+
+It is possible to distribute these packages in three source forms:
+1. As a wrapper-only source (as you can build by "make extradist").
+2. As a full source code including 3GPP code (as you can build by "make dist").
+3. As a wrapper-only source accompanied by the original zip file.
+
+Package home page: http://217.20.164.161/~tipok/aacplus
+
+For problems with the shared library wrapper or building code please contact
+Sergiy Guriev <piratfm@ua.fm>
+
+For problems with the implementation, contact 3GPP.
+
+Technical notes:
+
+The code has only one branch with stereo implementation.
+
+In addition to "make dist", you can also call "make extradist", which
+builds distribution package containing LGPL wrapper only.
+
+Known bugs: 
+- Not known yet
+  
+Dependencies: 
+- fftw3 (can be skipped)
+
+To compile library do:
+# ./autogen.sh
+# ./configure
+# make
+# make install