# 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 1.7 2008/08/14 00:51:08 asuraparaju Exp $ $Name: Dirac_1_0_2 $
    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 //LOCAL INCLUDES
    00046 #include <libdirac_byteio/parseunit_byteio.h>             // Parent class
    00047 #include <libdirac_byteio/parseparams_byteio.h>           // ParseParamsByteIO class
    00048 #include <libdirac_byteio/displayparams_byteio.h>         // SourceParamsByteIO class
    00049 #include <libdirac_byteio/codingparams_byteio.h>         // CodingParamsByteIO class
    00050
    00051 namespace dirac
    00052 {
    00056     class SequenceHeaderByteIO : public ParseUnitByteIO
    00057     {
    00058     public:
    00059
    00065         SequenceHeaderByteIO( SourceParams& src_params,
    00066                           EncoderParams& enc_params);
    00067
    00075         SequenceHeaderByteIO(const ParseUnitByteIO& parseunit_byteio,
    00076                          ParseParams& parse_params,
    00077                          SourceParams& src_params,
    00078                          CodecParams& codec_params);
    00079
    00083         ~SequenceHeaderByteIO();
    00084
    00088         bool Input();
    00089
    00093         void Output();
    00094
    00095         /*
    00096         * Gets size of access-unit (in bytes)
    00097         */
    00098         int GetSize() const;
    00099
    00103         ParseUnitType GetType() const { return PU_SEQ_HEADER;}
    00104
    00105     private:
    00106
    00111         unsigned char CalcParseCode() const;
    00112
    00116         void InputSourceParams();
    00117
    00121         void InputParseParams();
    00122
    00126         void InputCodingParams();
    00127
    00131         void OutputSourceParams();
    00132
    00136         void OutputParseParams();
    00137
    00141         void OutputCodingParams();
    00142
    00146         ParseParams m_parse_params;
    00147
    00148
    00152         ParseParamsByteIO m_parseparams_byteio;
    00153
    00157         SourceParams m_default_src_params;
    00158
    00162         SourceParams& m_src_params;
    00163
    00167         SourceParamsByteIO m_sourceparams_byteio;
    00168
    00172         CodecParams& m_codec_params;
    00173
    00177         CodingParamsByteIO m_codingparams_byteio;
    00178    };
    00179
    00180 } // namespace dirac
    00181
    00182 #endif

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