Dirac - A Video Codec

Created by the British Broadcasting Corporation.


accessunit_byteio.h

Go to the documentation of this file.
00001 /* ***** BEGIN LICENSE BLOCK *****
00002 *
00003 * $Id: accessunit_byteio.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(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 accessunit_byteio_h
00043 #define accessunit_byteio_h
00044 
00045 
00046 //LOCAL INCLUDES
00047 #include <libdirac_byteio/parseunit_byteio.h>             // Parent class
00048 #include <libdirac_byteio/displayparams_byteio.h>         // DisplayParamsByteIO class
00049 #include <libdirac_byteio/parseparams_byteio.h>           // ParseParamsByteIO class
00050 #include <libdirac_byteio/seqparams_byteio.h>             // SeqParamsByteIO class
00051 
00052 
00053 namespace dirac
00054 {
00058     class AccessUnitByteIO : public ParseUnitByteIO
00059     {
00060     public:
00061 
00068         AccessUnitByteIO(int& accessunit_fnum,
00069                          SeqParams& seq_params,
00070                          SourceParams& src_params);
00071 
00079         AccessUnitByteIO(const ParseUnitByteIO& parseunit_byteio,
00080                          SeqParams& seq_params,
00081                          SourceParams& src_params,
00082                          ParseParams& parse_params);
00083 
00087         ~AccessUnitByteIO();
00088 
00092         bool Input();
00093 
00097         void Output();
00098      
00102         int GetIdNumber() const;
00103 
00104         /* 
00105         * Gets size of access-unit (in bytes)
00106         */
00107         int GetSize() const;
00108 
00112         ParseUnitType GetType() const { return PU_ACCESS_UNIT;}
00113 
00114     private:
00115 
00120         unsigned char CalcParseCode() const;
00121 
00125         void InputDisplayParams();
00126         
00130         void InputParseParams();
00131 
00135         void InputSequenceParams();
00136 
00140         void OutputDisplayParams();
00141         
00145         void OutputParseParams();
00146 
00150         void OutputSequenceParams();
00151     
00155         ParseParamsByteIO m_parseparams_byteio;
00156    
00160         SeqParams m_default_seq_params;
00161 
00165         SourceParams m_default_src_params;
00166    
00170         SeqParamsByteIO m_seqparams_byteio;
00171 
00175         DisplayParamsByteIO m_displayparams_byteio;
00176    };
00177 
00178 } // namespace dirac
00179 
00180 #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.