Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: seq_decompress.h,v 1.8 2006/04/20 10:41:57 asuraparaju Exp $ $Name: Dirac_0_6_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): 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 FrameBuffer; 00058 class Frame; 00059 class FrameDecompressor; 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 00106 Frame& DecompressNextFrame(ParseUnitByteIO* p_parseunit_byteio, 00107 bool skip = false); 00108 00110 Frame& GetNextFrame(); 00111 00113 const FrameParams& GetNextFrameParams() const; 00115 00120 bool Finished(); 00122 00127 ParseParams & GetParseParams() { return m_parse_params; } 00128 00129 00131 00136 SeqParams & GetSeqParams() { return m_sparams; } 00137 00139 00144 SourceParams & GetSourceParams() { return m_srcparams; } 00145 00146 00147 private: 00149 00154 SequenceDecompressor(const SequenceDecompressor& cpy); 00155 00157 00162 SequenceDecompressor& operator=(const SequenceDecompressor& rhs); 00163 00164 00165 //Member variables 00166 00168 bool m_all_done; 00170 DecoderParams m_decparams; 00172 ParseParams m_parse_params; 00174 SeqParams m_sparams; 00176 SourceParams m_srcparams; 00178 FrameBuffer* m_fbuffer; 00180 int m_current_code_fnum; 00182 int m_delay; 00184 int m_last_frame_read; 00186 int m_show_fnum; 00188 FrameDecompressor *m_fdecoder; 00190 int m_current_accessunit_fnum; 00192 int m_highest_fnum; 00193 }; 00194 00195 } // namespace dirac 00196 00197 #endif
© 2004 British Broadcasting Corporation.
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