Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: seq_compress.h,v 1.14 2006/11/14 10:59:27 tjdwave Exp $ $Name: $ 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 #ifndef _SEQ_COMPRESS_H_ 00042 #define _SEQ_COMPRESS_H_ 00043 00045 //-------------------------------------// 00046 //Class to manage compressing sequences// 00047 //-------------------------------------// 00049 00050 #include <libdirac_common/common.h> 00051 #include <libdirac_common/frame_buffer.h> 00052 #include <libdirac_common/pic_io.h> 00053 #include <libdirac_encoder/quality_monitor.h> 00054 #include <libdirac_encoder/frame_compress.h> 00055 #include <libdirac_byteio/dirac_byte_stream.h> 00056 #include <fstream> 00057 00058 namespace dirac 00059 { 00061 00067 class SequenceCompressor{ 00068 public: 00070 00079 SequenceCompressor(StreamPicInput* pin, 00080 SourceParams& srcp, 00081 EncoderParams& encp, 00082 DiracByteStream& dirac_byte_stream); 00083 00085 00088 ~SequenceCompressor(); 00089 00091 00097 bool LoadNextFrame(); 00098 00100 00119 Frame &CompressNextFrame(); 00120 00122 const Frame *GetFrameEncoded(); 00123 00125 const MEData *GetMEData(); 00126 00127 DiracByteStats EndSequence(); 00128 00130 00135 bool Finished(){return m_all_done;} 00136 00137 00138 private: 00140 00144 SequenceCompressor(const SequenceCompressor& cpy); 00145 00147 00151 SequenceCompressor& operator=(const SequenceCompressor& rhs); 00152 00154 void Denoise( Frame& frame ); 00155 00157 void DenoiseComponent( PicArray& pic_data ); 00158 00159 ValueType Median( const ValueType* val_list, const int length); 00160 00165 SequenceCompressor& operator<<(AccessUnitByteIO *p_accessunit_byteio); 00166 00168 00173 int CodedToDisplay(const int fnum); 00174 00176 void MakeSequenceReport(); 00177 00179 void MakeFrameReport(); 00180 00182 bool m_all_done; 00183 00185 00190 bool m_just_finished; 00191 00193 SourceParams& m_srcparams; 00194 00196 EncoderParams& m_encparams; 00197 00199 StreamPicInput* m_pic_in; 00200 00202 FrameBuffer* m_fbuffer; 00203 00205 FrameBuffer* m_origbuffer; 00206 00207 //state variables for CompressNextFrame 00208 00210 int m_current_display_fnum; 00211 00213 int m_current_code_fnum; 00214 00216 int m_current_accessunit_fnum; 00217 00219 int m_show_fnum; 00220 00222 int m_last_frame_read; 00223 00225 int m_delay; 00226 00228 QualityMonitor m_qmonitor; 00229 00231 FrameCompressor m_fcoder; 00232 00233 00235 DiracByteStream& m_dirac_byte_stream; 00236 }; 00237 00238 } // namespace dirac 00239 00240 #endif
© 2004 British Broadcasting Corporation.
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