Dirac - A Video Codec

Created by the British Broadcasting Corporation.


me_mode_decn.h
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37 
38 #ifndef _ME_MODE_DECN_H_
39 #define _ME_MODE_DECN_H_
40 
41 #include <libdirac_common/motion.h>
43 
44 namespace dirac
45 {
46  class EncQueue;
47 
49 
70  {
71 
72  public:
74 
79  ModeDecider(const EncoderParams& encp );
80 
82 
85  ~ModeDecider();
86 
88 
93  void DoModeDecn( EncQueue& my_buffer , int pic_num );
94 
95  private:
96  ModeDecider( const ModeDecider& cpy );//private, body-less copy constructor: this class should not be copied
97  ModeDecider& operator=( const ModeDecider& rhs );//private, body-less assignment=: this class should not be assigned
98 
99  //functions
100  void DoSBDecn(); //called by do_mode_decn for each SB
101 
103  void DoLevelDecn( int level );
104 
106  float DoUnitDecn( const int xpos , const int ypos , const int level );
107 
109  void DoME( const int xpos , const int ypos , const int level );
110 
112  float ModeCost( const int xindex , const int yindex );
113 
115  ValueType GetDCPred( int xblock , int yblock );
116 
118  float GetDCVar( const ValueType dc_val , const ValueType dc_pred);
119 
121  void SetDC( EncQueue& my_buffer, int pic_num);
122 
124  void SetDC(const PicArray& pic_data, MEData& me_data,CompSort cs);
125 
127  ValueType GetBlockDC(const PicArray& pic_data, int xloc,int yloc,int split, CompSort cs);
128 
129 
130  // Member data
132 
135 
138 
140  float m_lambda;
141 
144 
145 
148 
151 
155  int num_refs;
156 
159 
160  //position variables, used in all the mode decisions
161  int m_xsb_loc,m_ysb_loc; //coords of the current SB
162 
163  };
164 
165 } // namespace dirac
166 
167 #endif

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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