Dirac - A Video Codec

Created by the British Broadcasting Corporation.


accessunit_byteio.h

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00001 /* ***** BEGIN LICENSE BLOCK *****
00002 *
00003 * $Id: accessunit_byteio.h,v 1.3 2007/09/03 11:31:42 asuraparaju Exp $ $Name: Dirac_0_8_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/parseparams_byteio.h>           // ParseParamsByteIO class
00049 #include <libdirac_byteio/displayparams_byteio.h>         // DisplayParamsByteIO class
00050 #include <libdirac_byteio/codingparams_byteio.h>         // CodingParamsByteIO class
00051 
00052 namespace dirac
00053 {
00057     class AccessUnitByteIO : public ParseUnitByteIO
00058     {
00059     public:
00060 
00066         AccessUnitByteIO( SourceParams& src_params,
00067                           CodecParams& codec_params);
00068 
00076         AccessUnitByteIO(const ParseUnitByteIO& parseunit_byteio,
00077                          ParseParams& parse_params,
00078                          SourceParams& src_params,
00079                          CodecParams& codec_params);
00080 
00084         ~AccessUnitByteIO();
00085 
00089         bool Input();
00090 
00094         void Output();
00095      
00096         /* 
00097         * Gets size of access-unit (in bytes)
00098         */
00099         int GetSize() const;
00100 
00104         ParseUnitType GetType() const { return PU_ACCESS_UNIT;}
00105 
00106     private:
00107 
00112         unsigned char CalcParseCode() const;
00113 
00117         void InputDisplayParams();
00118         
00122         void InputParseParams();
00123 
00127         void InputCodingParams();
00128 
00132         void OutputDisplayParams();
00133         
00137         void OutputParseParams();
00138 
00142         void OutputCodingParams();
00143     
00147         ParseParamsByteIO m_parseparams_byteio;
00148         
00152         SourceParams m_default_src_params;
00153    
00157         SourceParams& m_src_params;
00158 
00162         DisplayParamsByteIO m_displayparams_byteio;
00163         
00167         CodecParams& m_codec_params;
00168         
00172         CodingParamsByteIO m_codingparams_byteio;
00173    };
00174 
00175 } // namespace dirac
00176 
00177 #endif

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