Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: me_mode_decn.h,v 1.18 2008/10/01 01:26:47 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 * 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 #ifndef _ME_MODE_DECN_H_ 00039 #define _ME_MODE_DECN_H_ 00040 00041 #include <libdirac_common/motion.h> 00042 #include <libdirac_motionest/block_match.h> 00043 00044 namespace dirac 00045 { 00046 class EncQueue; 00047 00049 00069 class ModeDecider 00070 { 00071 00072 public: 00074 00079 ModeDecider(const EncoderParams& encp ); 00080 00082 00085 ~ModeDecider(); 00086 00088 00093 void DoModeDecn( EncQueue& my_buffer , int pic_num ); 00094 00095 private: 00096 ModeDecider( const ModeDecider& cpy );//private, body-less copy constructor: this class should not be copied 00097 ModeDecider& operator=( const ModeDecider& rhs );//private, body-less assignment=: this class should not be assigned 00098 00099 //functions 00100 void DoSBDecn(); //called by do_mode_decn for each SB 00101 00103 void DoLevelDecn( int level ); 00104 00106 float DoUnitDecn( const int xpos , const int ypos , const int level ); 00107 00109 void DoME( const int xpos , const int ypos , const int level ); 00110 00112 float ModeCost( const int xindex , const int yindex ); 00113 00115 ValueType GetDCPred( int xblock , int yblock ); 00116 00118 float GetDCVar( const ValueType dc_val , const ValueType dc_pred); 00119 00121 void SetDC( EncQueue& my_buffer, int pic_num); 00122 00124 void SetDC(const PicArray& pic_data, MEData& me_data,CompSort cs); 00125 00127 ValueType GetBlockDC(const PicArray& pic_data, int xloc,int yloc,int split, CompSort cs); 00128 00129 00130 // Member data 00131 PictureSort m_psort; 00132 00134 const EncoderParams& m_encparams; 00135 00137 const PicturePredParams* m_predparams; 00138 00140 float m_lambda; 00141 00143 OneDArray<float> m_level_factor; 00144 00145 00147 OneDArray<float> m_mode_factor; 00148 00150 OneDArray< MEData* > m_me_data_set; 00151 00152 const PicArray* m_pic_data; 00153 const PicArray* m_ref1_updata; 00154 const PicArray* m_ref2_updata; 00155 int num_refs; 00156 00157 IntraBlockDiff* m_intradiff; 00158 BiBlockDiff* m_bicheckdiff; 00159 00160 //position variables, used in all the mode decisions 00161 int m_xsb_loc,m_ysb_loc; //coords of the current SB 00162 00163 }; 00164 00165 } // namespace dirac 00166 00167 #endif
© 2004 British Broadcasting Corporation.
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