Dirac - A Video Codec

Created by the British Broadcasting Corporation.


picture_compress.h
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3 * $Id: picture_compress.h,v 1.7 2008/08/14 02:30:50 asuraparaju Exp $ $Name: Dirac_1_0_2 $
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25 * Anuradha Suraparaju
26 * Andrew Kennedy
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40 
41 
42 #ifndef _PICTURE_COMPRESS_H_
43 #define _PICTURE_COMPRESS_H_
44 
46 #include <libdirac_common/common.h>
47 #include <libdirac_common/motion.h>
49 
50 namespace dirac
51 {
52 
53  class MvData;
54 
56 
62  {
63  public:
65 
72 
75 
77  void PixelME( EncQueue& my_buffer , int pnum );
78 
80  void CalcComplexity( EncQueue& my_buffer, int pnum , const OLBParams& olbparams );
81  void CalcComplexity2( EncQueue& my_buffer, int pnum );
82 
84  void NormaliseComplexity( EncQueue& my_buffer, int pnum );
85 
87  void SubPixelME( EncQueue& my_buffer , int pnum );
88 
90  void ModeDecisionME( EncQueue& my_buffer, int pnum );
91 
93  void IntraModeAnalyse( EncQueue& my_buffer, int pnum );
94 
96  void MotionCompensate( EncQueue& my_buffer, int pnum, AddOrSub dirn );
97 
99  void Prefilter( EncQueue& my_buffer, int pnum );
100 
102  void DoDWT( EncQueue& my_buffer , int pnum, Direction dirn );
103 
105 
111  void CodeResidue( EncQueue& my_pbuffer , int pnum , PictureByteIO* pic_byteio);
112 
114  void CodeMVData( EncQueue& my_buffer, int pnum, PictureByteIO* pic_byteio);
115 
117  bool IsSkipped(){ return m_skipped; }
118 
120  bool IsMEDataAvail() const { return m_medata_avail; }
121 
123  const MEData* GetMEData() const;
124 
125  private:
127 
131  PictureCompressor( const PictureCompressor& cpy );
132 
134 
139 
141  void InitCoeffData( CoeffArray& coeff_data, const int xl, const int yl );
142 
144  float GetCompLambda( const EncPicture& my_picture,
145  const CompSort csort );
146 
147  void SelectQuantisers( CoeffArray& coeff_data ,
148  SubbandList& bands ,
149  const float lambda,
150  OneDArray<unsigned int>& est_counts,
151  const CodeBlockMode cb_mode,
152  const PictureParams& pp,
153  const CompSort csort );
154 
155  int SelectMultiQuants( CoeffArray& coeff_data ,
156  SubbandList& bands ,
157  const int band_num,
158  const float lambda,
159  const PictureParams& pp,
160  const CompSort csort );
161 
162  void SetupCodeBlocks( SubbandList& bands );
163 
164 
165  void AddSubAverage(CoeffArray& coeff_data,int xl,int yl,AddOrSub dirn);
166 
167  private:
168 
169  //member variables
170  // a local copy of the encoder params
172 
173  // True if the picture has been skipped, false otherwise
174  bool m_skipped;
175 
176  // True if we use global motion vectors, false otherwise
178 
179  // True if we use block motion vectors, false otherwise
181 
182  // Prediction mode to use if we only have global motion vectors
184 
185  // A pointer to the current picture motion vector data
187 
188  // True if motion estimation data is available
190 
191  // True if we have detected a cut
193 
194  // The original MV precision type
196 
197  };
198 
199 } // namespace dirac
200 
201 #endif

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