Created by the British Broadcasting Corporation.
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.
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