# 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 1.1 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.
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