Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: comp_compress.h,v 1.12 2006/11/22 11:00:24 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), Scott R Ladd 00024 * Andrew Kennedy 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 00039 00040 #ifndef _COMP_COMPRESS_H_ 00041 #define _COMP_COMPRESS_H_ 00042 00043 #include <libdirac_common/arrays.h> 00044 #include <libdirac_common/wavelet_utils.h> 00045 #include <libdirac_common/common.h> 00046 #include <libdirac_byteio/component_byteio.h> 00047 00048 namespace dirac 00049 { 00050 class MEData; 00051 00053 00058 class CompCompressor 00059 { 00060 public: 00062 00068 CompCompressor( EncoderParams & encp, const FrameParams& fp); 00069 00071 00076 ComponentByteIO* Compress( PicArray & pic_data , 00077 const bool is_a_cut , 00078 const double intra_ratio=100.0 , 00079 MEData *me_data=0 ); 00080 00081 private: 00083 CompCompressor(const CompCompressor& cpy); 00084 00086 CompCompressor& operator=(const CompCompressor& rhs); 00087 00088 00090 void SetCompLambda( const double intra_ratio, const bool is_a_cut ); 00091 00092 00093 void SelectQuantisers( PicArray& pic_data , 00094 SubbandList& bands , 00095 OneDArray<unsigned int>& est_counts, 00096 const CodeBlockMode cb_mode ); 00097 00098 int SelectMultiQuants( PicArray& pic_data , 00099 SubbandList& bands , 00100 const int band_num ); 00101 00102 void SetupCodeBlocks( SubbandList& bands ); 00103 00104 void SetToVal(PicArray& pic_data,const Subband& node,ValueType val); 00105 00106 void AddSubAverage(PicArray& pic_data,int xl,int yl,AddOrSub dirn); 00107 00108 private: 00109 00110 // member variables 00111 EncoderParams& m_encparams; 00112 00113 const FrameParams& m_fparams; 00114 00115 const FrameSort& m_fsort; 00116 00117 const ChromaFormat& m_cformat; 00118 00119 CompSort m_csort; 00120 00121 float m_lambda; 00122 00123 MEData* m_me_data; 00124 }; 00125 00126 } // namespace dirac 00127 00128 00129 00130 #endif
© 2004 British Broadcasting Corporation.
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