Dirac - A Video Codec

Created by the British Broadcasting Corporation.


seq_decompress.h

Go to the documentation of this file.
00001 /* ***** BEGIN LICENSE BLOCK *****
00002 *
00003 * $Id: seq_decompress.h,v 1.13 2008/05/02 06:05:04 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): Thomas Davies (Original Author),
00024 *                 Scott R Ladd,
00025 *                 Anuradha Suraparaju
00026 *                 Andrew Kennedy
00027 *
00028 * Alternatively, the contents of this file may be used under the terms of
00029 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
00030 * Public License Version 2.1 (the "LGPL"), in which case the provisions of
00031 * the GPL or the LGPL are applicable instead of those above. If you wish to
00032 * allow use of your version of this file only under the terms of the either
00033 * the GPL or LGPL and not to allow others to use your version of this file
00034 * under the MPL, indicate your decision by deleting the provisions above
00035 * and replace them with the notice and other provisions required by the GPL
00036 * or LGPL. If you do not delete the provisions above, a recipient may use
00037 * your version of this file under the terms of any one of the MPL, the GPL
00038 * or the LGPL.
00039 * ***** END LICENSE BLOCK ***** */
00040 
00041 
00042 #ifndef _SEQ_DECOMPRESS_H_
00043 #define _SEQ_DECOMPRESS_H_
00044 
00046 //---------------------------------------//
00047 //Class to manage decompressing sequences//
00048 //---------------------------------------//
00050 
00051 #include "libdirac_common/common.h"
00052 #include "libdirac_byteio/parseunit_byteio.h"
00053 #include <iostream>
00054 
00055 namespace dirac
00056 {
00057     class PictureBuffer;
00058     class Picture;
00059     class PictureDecompressor;
00060 
00062 
00065     class SequenceDecompressor{
00066     public:
00067 
00069 
00075         SequenceDecompressor(ParseUnitByteIO& parseunit, bool verbosity);
00076 
00078 
00081         ~SequenceDecompressor();
00082 
00084 
00087         void NewAccessUnit(ParseUnitByteIO& parseunit_byteio);
00088 
00089 
00091 
00105         const Picture* DecompressNextPicture(ParseUnitByteIO* p_parseunit_byteio);
00106 
00108         const Picture* GetNextPicture();
00109 
00111         const PictureParams* GetNextPictureParams() const;
00113 
00118         bool Finished();
00120 
00125         ParseParams & GetParseParams() { return m_parse_params; }
00126 
00127 
00129 
00134         SourceParams & GetSourceParams() { return m_srcparams; }
00135 
00136 
00138 
00143         DecoderParams & GetDecoderParams() { return m_decparams; }
00144     private:
00146 
00151         SequenceDecompressor(const SequenceDecompressor& cpy);
00152 
00154 
00159         SequenceDecompressor& operator=(const SequenceDecompressor& rhs);
00160 
00161 
00162         //Member variables
00163 
00165         bool m_all_done;
00167         DecoderParams m_decparams;
00169         ParseParams m_parse_params;
00171         SourceParams m_srcparams;
00173         PictureBuffer* m_pbuffer;
00175         int m_current_code_pnum;
00177         int m_delay;
00179         int m_last_picture_read;
00181         int m_show_pnum;
00183         PictureDecompressor *m_pdecoder;
00185         int m_highest_pnum;
00186     };
00187 
00188 } // namespace dirac
00189 
00190 #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.