# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

# dirac_byte_stream.h

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    00001 /* ***** BEGIN LICENSE BLOCK *****
    00002 *
    00003 * $Id: dirac_byte_stream.h,v 1.1 2006/04/20 10:41:56 asuraparaju Exp $ $Name: Dirac_0_7_0 $
    00004 *
    00005 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
    00006 *
    00007 * The contents of this file are subject to the Mozilla Public License
    00008 * Version 1.1 (the "License"); you may not use this file except in compliance
    00009 * with the License. You may obtain a copy of the License at
    00010 * http://www.mozilla.org/MPL/
    00011 *
    00012 * Software distributed under the License is distributed on an "AS IS" basis,
    00013 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
    00014 * the specific language governing rights and limitations under the License.
    00015 *
    00016 * The Original Code is BBC Research and Development code.
    00017 *
    00018 * The Initial Developer of the Original Code is the British Broadcasting
    00019 * Corporation.
    00020 * Portions created by the Initial Developer are Copyright (C) 2004.
    00021 * All Rights Reserved.
    00022 *
    00023 * Contributor(s): Andrew Kennedy
    00024 *
    00025 * Alternatively, the contents of this file may be used under the terms of
    00026 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
    00027 * Public License Version 2.1 (the "LGPL"), in which case the provisions of
    00028 * the GPL or the LGPL are applicable instead of those above. If you wish to
    00029 * allow use of your version of this file only under the terms of the either
    00030 * the GPL or LGPL and not to allow others to use your version of this file
    00031 * under the MPL, indicate your decision by deleting the provisions above
    00032 * and replace them with the notice and other provisions required by the GPL
    00033 * or LGPL. If you do not delete the provisions above, a recipient may use
    00034 * your version of this file under the terms of any one of the MPL, the GPL
    00035 * or the LGPL.
    00036 * ***** END LICENSE BLOCK ***** */
    00037
    00041 #ifndef dirac_byte_stream_h
    00042 #define dirac_byte_stream_h
    00043
    00044 //SYSTEM INCLUDES
    00045 #include <queue>
    00046
    00047 //LOCAL INCLUDES
    00048 #include "byteio.h"             // Parent class
    00049 #include "accessunit_byteio.h"  // manages parse-unit types
    00050 #include "frame_byteio.h"       // manages parse-unit types
    00051
    00052 namespace dirac
    00053 {
    00054
    00059     class DiracByteStream : public ByteIO
    00060     {
    00061         public:
    00062
    00066         DiracByteStream();
    00067
    00071         ~DiracByteStream();
    00072
    00078         void AddBytes(char* start, int count);
    00079
    00084         DiracByteStats GetLastUnitStats();
    00085
    00089         ParseUnitByteIO* GetNextParseUnit();
    00090
    00091
    00095         DiracByteStats GetSequenceStats() const;
    00096
    00102         void AddAccessUnit(AccessUnitByteIO *p_accessunit_byteio);
    00103
    00108         void AddFrame(FrameByteIO *p_frame_byteio);
    00109
    00113         void Clear();
    00114
    00119         DiracByteStats EndSequence();
    00120
    00124         const std::string GetBytes();
    00125
    00129         bool IsUnitAvailable() const;
    00130
    00131         private:
    00132
    00136         typedef std::queue< std::pair <ParseUnitType, ParseUnitByteIO*> > ParseUnitList;
    00137         ParseUnitList       m_parse_unit_list;
    00138
    00143         ParseUnitByteIO* mp_prev_parse_unit;
    00144
    00150         ParseUnitByteIO* mp_next_parse_unit;
    00151
    00155         DiracByteStats      m_sequence_stats;
    00156
    00157     };
    00158
    00159 } // namespace dirac
    00160
    00161 #endif

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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