ADTS
====

:: 

 frame:

    byte alignment
    fixed header
    variable header
    error check
    for (ii = 0; ii < no raw blocks in frame + 1; ii++)
        raw data block


 fixed header:  (the same for all frames)

    syncword			12   ('1111 1111 1111')             12

    id				 1   (1=MPEG-2 AAC, 0=MPEG-4)
    layer			 2   ('00')
    protection absent		 1   (see below)
    profile objecttype		 2
    sampling freq index		 4
    private bit			 1   (not used)
    channel config		 3
    original/copy		 1
    home			 1                                  16

    emphasis			 2   (maybe only if id=1?)

 variable header:

    copyright id bit		 1
    copyright id start		 1
    aac frame length		13   (length of whole frame, inc. headers)
    adts buffer fullness	11
    no raw data blocks in frame	 2   (0=>1 raw data block)

 error check:

    if protection absent == 0:
        crc check               16

.. ***** BEGIN LICENSE BLOCK *****

License
-------
Version: MPL 1.1

The contents of this file are subject to the Mozilla Public License Version
1.1 (the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/

Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
for the specific language governing rights and limitations under the
License.

The Original Code is the MPEG TS, PS and ES tools.

The Initial Developer of the Original Code is Amino Communications Ltd.
Portions created by the Initial Developer are Copyright |copy| 2008
the Initial Developer. All Rights Reserved.

.. |copy| unicode:: 0xA9 .. copyright sign

Contributor(s):

  Amino Communications Ltd, Swavesey, Cambridge UK

.. ***** END LICENSE BLOCK *****

.. -------------------------------------------------------------------------------
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