Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: comp_compress.h,v 1.6 2004/08/03 09:22:59 asuraparaju Exp $ $Name: Dirac_0_4_3 $ 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 * 00025 * Alternatively, the contents of this file may be used under the terms of 00026 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser 00027 * Public License Version 2.1 (the "LGPL"), in which case the provisions of 00028 * the GPL or the LGPL are applicable instead of those above. If you wish to 00029 * allow use of your version of this file only under the terms of the either 00030 * the GPL or LGPL and not to allow others to use your version of this file 00031 * under the MPL, indicate your decision by deleting the provisions above 00032 * and replace them with the notice and other provisions required by the GPL 00033 * or LGPL. If you do not delete the provisions above, a recipient may use 00034 * your version of this file under the terms of any one of the MPL, the GPL 00035 * or the LGPL. 00036 * ***** END LICENSE BLOCK ***** */ 00037 00038 00039 #ifndef _COMP_COMPRESS_H_ 00040 #define _COMP_COMPRESS_H_ 00041 00042 #include "libdirac_common/arrays.h" 00043 #include "libdirac_common/wavelet_utils.h" 00044 #include "libdirac_common/common.h" 00045 00047 00051 class CompCompressor 00052 { 00053 public: 00055 00060 CompCompressor( EncoderParams & encp, const FrameParams& fp); 00061 00063 00067 void Compress(PicArray & pic_data); 00068 00069 private: 00071 CompCompressor(const CompCompressor& cpy); 00072 00074 CompCompressor& operator=(const CompCompressor& rhs); 00075 00076 void GenQuantList(); 00077 00078 void SelectQuantisers( PicArray& pic_data , SubbandList& bands , 00079 OneDArray<unsigned int>& est_counts ); 00080 00081 int SelectQuant(PicArray& pic_data,SubbandList& bands,int band_num); 00082 00083 ValueType PicAbsMax(const PicArray& pic_data,int xp, int yp ,int xl ,int yl) const; 00084 00085 ValueType PicAbsMax(const PicArray& pic_data) const; 00086 00087 void SetToVal(PicArray& pic_data,const Subband& node,ValueType val); 00088 00089 void AddSubAverage(PicArray& pic_data,int xl,int yl,AddOrSub dirn); 00090 00091 //member variables 00092 EncoderParams& m_encparams; 00093 const FrameParams& m_fparams; 00094 const FrameSort& m_fsort; 00095 const ChromaFormat& m_cformat; 00096 CompSort m_csort; 00097 OneDArray<int> m_qflist; 00098 OneDArray<int> m_qfinvlist; 00099 OneDArray<int> m_offset; 00100 float m_lambda; 00101 00102 }; 00103 00104 00105 00106 #endif
© 2004 British Broadcasting Corporation.
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