# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

dirac_byte_stream.h
Go to the documentation of this file.
1 /* ***** BEGIN LICENSE BLOCK *****
2 *
3 * $Id: dirac_byte_stream.h,v 1.4 2008/08/14 00:51:08 asuraparaju Exp $ $Name: Dirac_1_0_2 $
4 *
5 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 *
7 * The contents of this file are subject to the Mozilla Public License
8 * Version 1.1 (the "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 * http://www.mozilla.org/MPL/
11 *
12 * Software distributed under the License is distributed on an "AS IS" basis,
13 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
14 * the specific language governing rights and limitations under the License.
15 *
16 * The Original Code is BBC Research and Development code.
17 *
18 * The Initial Developer of the Original Code is the British Broadcasting
19 * Corporation.
20 * Portions created by the Initial Developer are Copyright (C) 2004.
21 * All Rights Reserved.
22 *
23 * Contributor(s): Andrew Kennedy (Original Author)
24 * Anuradha Suraparaju
25 *
26 * Alternatively, the contents of this file may be used under the terms of
27 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
28 * Public License Version 2.1 (the "LGPL"), in which case the provisions of
29 * the GPL or the LGPL are applicable instead of those above. If you wish to
30 * allow use of your version of this file only under the terms of the either
31 * the GPL or LGPL and not to allow others to use your version of this file
32 * under the MPL, indicate your decision by deleting the provisions above
33 * and replace them with the notice and other provisions required by the GPL
34 * or LGPL. If you do not delete the provisions above, a recipient may use
35 * your version of this file under the terms of any one of the MPL, the GPL
36 * or the LGPL.
37 * ***** END LICENSE BLOCK ***** */
38
42 #ifndef dirac_byte_stream_h
43 #define dirac_byte_stream_h
44
45 //SYSTEM INCLUDES
46 #include <queue>
47
48 //LOCAL INCLUDES
49 #include "byteio.h" // Parent class
50 #include "accessunit_byteio.h" // manages parse-unit types
51 #include "picture_byteio.h" // manages parse-unit types
52
53 namespace dirac
54 {
55
60 class DiracByteStream : public ByteIO
61 {
62 public:
63
67 DiracByteStream();
68
72 ~DiracByteStream();
73
79 void AddBytes(char* start, int count);
80
85 DiracByteStats GetLastUnitStats();
86
90 ParseUnitByteIO* GetNextParseUnit();
91
92
96 DiracByteStats GetSequenceStats() const;
97
102 void AddSequenceHeader(SequenceHeaderByteIO *p_seqheader_byteio);
103
108 void AddPicture(PictureByteIO *p_frame_byteio);
109
113 void Clear();
114
119 DiracByteStats EndSequence();
120
124 const std::string GetBytes();
125
129 bool IsUnitAvailable() const;
130
131 private:
132
133 void Reset(ParseUnitByteIO* p_curr_unit, int pos);
134
135 private:
136
140 typedef std::queue< std::pair <ParseUnitType, ParseUnitByteIO*> > ParseUnitList;
141 ParseUnitList m_parse_unit_list;
142
147 ParseUnitByteIO* mp_prev_parse_unit;
148
152 DiracByteStats m_sequence_stats;
153
154 };
155
156 } // namespace dirac
157
158 #endif

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
HTML documentation generated by Dimitri van Heesch's excellent Doxygen tool.