# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

accessunit_byteio.h
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1 /* ***** BEGIN LICENSE BLOCK *****
2 *
3 * $Id: accessunit_byteio.h,v 1.7 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
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37 * ***** END LICENSE BLOCK ***** */
38
42 #ifndef accessunit_byteio_h
43 #define accessunit_byteio_h
44
45 //LOCAL INCLUDES
46 #include <libdirac_byteio/parseunit_byteio.h> // Parent class
47 #include <libdirac_byteio/parseparams_byteio.h> // ParseParamsByteIO class
48 #include <libdirac_byteio/displayparams_byteio.h> // SourceParamsByteIO class
49 #include <libdirac_byteio/codingparams_byteio.h> // CodingParamsByteIO class
50
51 namespace dirac
52 {
56 class SequenceHeaderByteIO : public ParseUnitByteIO
57 {
58 public:
59
65 SequenceHeaderByteIO( SourceParams& src_params,
66 EncoderParams& enc_params);
67
75 SequenceHeaderByteIO(const ParseUnitByteIO& parseunit_byteio,
76 ParseParams& parse_params,
77 SourceParams& src_params,
78 CodecParams& codec_params);
79
83 ~SequenceHeaderByteIO();
84
88 bool Input();
89
93 void Output();
94
95 /*
96 * Gets size of access-unit (in bytes)
97 */
98 int GetSize() const;
99
103 ParseUnitType GetType() const { return PU_SEQ_HEADER;}
104
105 private:
106
111 unsigned char CalcParseCode() const;
112
116 void InputSourceParams();
117
121 void InputParseParams();
122
126 void InputCodingParams();
127
131 void OutputSourceParams();
132
136 void OutputParseParams();
137
141 void OutputCodingParams();
142
146 ParseParams m_parse_params;
147
148
152 ParseParamsByteIO m_parseparams_byteio;
153
157 SourceParams m_default_src_params;
158
162 SourceParams& m_src_params;
163
167 SourceParamsByteIO m_sourceparams_byteio;
168
172 CodecParams& m_codec_params;
173
177 CodingParamsByteIO m_codingparams_byteio;
178 };
179
180 } // namespace dirac
181
182 #endif

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