Dirac - A Video Codec

Created by the British Broadcasting Corporation.


accessunit_byteio.h
Go to the documentation of this file.
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
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 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
51namespace dirac
52{
57 {
58 public:
59
66 EncoderParams& enc_params);
67
75 SequenceHeaderByteIO(const ParseUnitByteIO& parseunit_byteio,
76 ParseParams& parse_params,
77 SourceParams& src_params,
78 CodecParams& codec_params);
79
84
88 bool Input();
89
93 void Output();
94
95 /*
96 * Gets size of access-unit (in bytes)
97 */
98 int GetSize() const;
99
104
105 private:
106
111 unsigned char CalcParseCode() const;
112
117
122
127
132
137
142
147
148
153
158
163
168
173
178 };
179
180} // namespace dirac
181
182#endif
Definition of class SequenceHeaderByteIO.
Definition accessunit_byteio.h:52
ParseUnitType
Definition parseunit_byteio.h:57
@ PU_SEQ_HEADER
Definition parseunit_byteio.h:58
SourceParams m_default_src_params
Default source parameters.
Definition accessunit_byteio.h:157
CodecParams & m_codec_params
Current codec parameters.
Definition accessunit_byteio.h:172
void InputCodingParams()
Parse Coding attributes from bytestream-compatible input (decoding)
void OutputSourceParams()
Output source attributes for bytestream-compatible output (encoding)
~SequenceHeaderByteIO()
Destructor.
void InputParseParams()
Parse parse attributes from bytestream-compatible input (decoding)
int GetSize() const
Gets size (in bytes)
void InputSourceParams()
Parse source attributes from bytestream-compatible input (decoding)
SequenceHeaderByteIO(SourceParams &src_params, EncoderParams &enc_params)
Constructor (encoding)
void Output()
Writes access-unit info to Dirac stream-format (encoding)
CodingParamsByteIO m_codingparams_byteio
Coding-params byte input/output.
Definition accessunit_byteio.h:177
SourceParamsByteIO m_sourceparams_byteio
Source-params byte input/output.
Definition accessunit_byteio.h:167
ParseParams m_parse_params
Current parse parameters.
Definition accessunit_byteio.h:146
void OutputParseParams()
Output parse attributes for bytestream-compatible output (encoding)
bool Input()
Parses data in Dirac-stream format (decoding)
SequenceHeaderByteIO(const ParseUnitByteIO &parseunit_byteio, ParseParams &parse_params, SourceParams &src_params, CodecParams &codec_params)
Constructor (decoding)
void OutputCodingParams()
Output coding attributes for bytestream-compatible output (encoding)
SourceParams & m_src_params
Current source parameters.
Definition accessunit_byteio.h:162
ParseUnitType GetType() const
Gets parse-unit type.
Definition accessunit_byteio.h:103
ParseParamsByteIO m_parseparams_byteio
Parse-params byte input/output.
Definition accessunit_byteio.h:152
unsigned char CalcParseCode() const
Calculates parse-code based on access-unit parameters (encoding)
Represents compressed sequence-parameter data used in an AccessUnit.
Definition codingparams_byteio.h:59
Represents compressed source-parameter data contained in a sequence header.
Definition displayparams_byteio.h:59
Represents compressed parse-parameter data used in an AccessUnit.
Definition parseparams_byteio.h:59
ParseUnitByteIO()
Constructor.
Parameters relating to the source material being encoded/decoded.
Definition common.h:289
Parameters relating to the complexity of encoder/decoder.
Definition common.h:891
Parameters common to coder and decoder operation.
Definition common.h:1099
Parameters for the encoding process.
Definition common.h:1280

© 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.