Dirac - A Video Codec

Created by the British Broadcasting Corporation.


enc_picture.h

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00001 /* ***** BEGIN LICENSE BLOCK *****
00002 *
00003 * $Id: enc_picture.h,v 1.6 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) 2008.
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 _ENC_PICTURE_H_
00039 #define _ENC_PICTURE_H_
00040 
00041 #include <libdirac_common/picture.h>
00042 #include <libdirac_common/motion.h>
00043 
00044 
00045 namespace dirac
00046 {
00047 static const unsigned int DONE_ME_INIT = 0x1;
00048 static const unsigned int DONE_PEL_ME = 0x2;
00049 static const unsigned int DONE_SUBPEL_ME = 0x4;
00050 static const unsigned int DONE_ME_MODE_DECN = 0x8;
00051 static const unsigned int DONE_MV_CODING = 0x10;
00052 static const unsigned int DONE_MC = 0x20;
00053 static const unsigned int DONE_DWT = 0x40;
00054 static const unsigned int DONE_QUANT_SEL = 0x80;
00055 static const unsigned int DONE_RES_CODING = 0x100;
00056 static const unsigned int DONE_IDWT = 0x200;
00057 static const unsigned int DONE_MC_BACK = 0x400;
00058 static const unsigned int DONE_SET_PTYPE = 0x800;
00059 static const unsigned int DONE_PIC_COMPLEXITY = 0x1000;
00060 
00061 static const unsigned int ALL_ENC = 0xFFFFFFFF;
00062 static const unsigned int NO_ENC = 0;
00063 
00064 class EncPicture : public Picture
00065 {
00066 public:
00067     EncPicture( const PictureParams& pp );
00068 
00069     virtual ~EncPicture();
00070 
00072     void InitMEData( const PicturePredParams& predparams, const int num_refs);
00073 
00075     MEData& GetMEData(){ return *m_me_data;}
00076 
00078     const MEData& GetMEData() const { return *m_me_data;}
00079 
00081     void DropRef( int rindex );
00082 
00083 
00085     const PicArray& OrigData(CompSort c) const { return *m_orig_data[(int) c];}
00086 
00088     const PicArray& UpOrigData(CompSort cs) const;
00089 
00091     void SetOrigData();
00092 
00094     const PicArray& DataForME(bool combined_me) const;
00095 
00097     const PicArray& UpDataForME(bool combined_me) const;
00098 
00099 
00100     void UpdateStatus( const unsigned int mask ){ m_status |= mask; }
00101 
00102     void FlipStatus( const unsigned int mask){ m_status ^= mask; }
00103 
00104     void SetStatus( const int status ){ m_status = status; }
00105 
00106     unsigned int GetStatus() const{ return m_status; }
00107 
00108 
00109     double GetComplexity() const {return m_complexity; }
00110 
00111     void SetComplexity(double c){ m_complexity = c; }
00112 
00113     double GetNormComplexity() const { return m_norm_complexity; }
00114 
00115     void SetNormComplexity( double c ){ m_norm_complexity = c; }
00116 
00117     double GetPredBias() const { return m_pred_bias; }
00118 
00119     void SetPredBias( double b ){ m_pred_bias = b; }
00120 
00121 
00122 private:
00123 
00124     virtual void ClearData();
00125 
00127     void AntiAliasFilter( PicArray& out_data, const PicArray& in_data ) const;
00128 
00130     const PicArray& FiltData(CompSort c) const;
00131 
00132     const PicArray& CombinedData() const;
00133     const PicArray& UpCombinedData() const;
00134     void Combine( PicArray& comb_data, const PicArray& y_data,
00135                           const PicArray& u_data, const PicArray& v_data ) const;
00136 
00138     const PicArray& UpFiltData(CompSort c) const;
00139 
00140 
00141     void SetOrigData(const int c);
00142 
00143 private:
00144 
00145     PicArray* m_orig_data[3];
00146     mutable PicArray* m_orig_up_data[3];
00147     mutable PicArray* m_filt_data[3];
00148     mutable PicArray* m_filt_up_data[3];
00149 
00150     MEData* m_me_data;
00151 
00152     unsigned int m_status;
00153 
00154     double m_complexity;
00155     double m_norm_complexity;
00156 
00157     double m_pred_bias;
00158 };
00159 
00160 
00161 }
00162 
00163 #endif

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