Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: dirac_byte_stream.h,v 1.4 2008/08/14 00:51:08 asuraparaju Exp $ $Name: Dirac_1_0_2 $ 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 (Original Author) 00024 * Anuradha Suraparaju 00025 * 00026 * Alternatively, the contents of this file may be used under the terms of 00027 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser 00028 * Public License Version 2.1 (the "LGPL"), in which case the provisions of 00029 * the GPL or the LGPL are applicable instead of those above. If you wish to 00030 * allow use of your version of this file only under the terms of the either 00031 * the GPL or LGPL and not to allow others to use your version of this file 00032 * under the MPL, indicate your decision by deleting the provisions above 00033 * and replace them with the notice and other provisions required by the GPL 00034 * or LGPL. If you do not delete the provisions above, a recipient may use 00035 * your version of this file under the terms of any one of the MPL, the GPL 00036 * or the LGPL. 00037 * ***** END LICENSE BLOCK ***** */ 00038 00042 #ifndef dirac_byte_stream_h 00043 #define dirac_byte_stream_h 00044 00045 //SYSTEM INCLUDES 00046 #include <queue> 00047 00048 //LOCAL INCLUDES 00049 #include "byteio.h" // Parent class 00050 #include "accessunit_byteio.h" // manages parse-unit types 00051 #include "picture_byteio.h" // manages parse-unit types 00052 00053 namespace dirac 00054 { 00055 00060 class DiracByteStream : public ByteIO 00061 { 00062 public: 00063 00067 DiracByteStream(); 00068 00072 ~DiracByteStream(); 00073 00079 void AddBytes(char* start, int count); 00080 00085 DiracByteStats GetLastUnitStats(); 00086 00090 ParseUnitByteIO* GetNextParseUnit(); 00091 00092 00096 DiracByteStats GetSequenceStats() const; 00097 00102 void AddSequenceHeader(SequenceHeaderByteIO *p_seqheader_byteio); 00103 00108 void AddPicture(PictureByteIO *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 00133 void Reset(ParseUnitByteIO* p_curr_unit, int pos); 00134 00135 private: 00136 00140 typedef std::queue< std::pair <ParseUnitType, ParseUnitByteIO*> > ParseUnitList; 00141 ParseUnitList m_parse_unit_list; 00142 00147 ParseUnitByteIO* mp_prev_parse_unit; 00148 00152 DiracByteStats m_sequence_stats; 00153 00154 }; 00155 00156 } // namespace dirac 00157 00158 #endif
© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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