Dirac - A Video Codec

Created by the British Broadcasting Corporation.


picture.h

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00001 /* ***** BEGIN LICENSE BLOCK *****
00002 *
00003 * $Id: picture.h,v 1.4 2008/08/14 00:51:08 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 _PICTURE_H_
00039 #define _PICTURE_H_
00040 
00041 #include <libdirac_common/common.h>
00042 #include <libdirac_common/wavelet_utils.h>
00043 
00044 namespace dirac
00045 {
00047 
00051     class Picture
00052     {
00053 
00054     public:
00055 
00057 
00060         Picture( const PictureParams& pp );
00061 
00063         Picture(const Picture& cpy);
00064 
00066         virtual ~Picture();
00067 
00069         Picture& operator=( const Picture& rhs );
00070 
00072 
00075         void Fill(ValueType val );
00076 
00077         //gets and sets
00079         PictureParams& GetPparams() const  {return m_pparams;}
00080 
00082         void SetPictureSort( const PictureSort ps ){m_pparams.SetPicSort( ps ); }
00083 
00085         void SetPictureType( const PictureType ftype ){m_pparams.SetPictureType( ftype ); }
00086 
00088         void SetReferenceType( const ReferenceType rtype ){m_pparams.SetReferenceType( rtype ); }
00089 
00091         void ReconfigPicture( const PictureParams &pp );
00092 
00094         PicArray& Data(CompSort cs){return *m_pic_data[(int) cs];}
00095 
00097         const PicArray& Data(CompSort cs) const{return *m_pic_data[(int) cs];}    
00098 
00100         PicArray& UpData(CompSort cs);
00101 
00103         const PicArray& UpData(CompSort cs) const;
00104 
00106         const CoeffArray& WltData( CompSort c ) const { return m_wlt_data[(int) c]; }
00107 
00109         CoeffArray& WltData( CompSort c ) { return m_wlt_data[(int) c]; }
00110 
00112         void InitWltData( const int transform_depth );
00113 
00115 
00118         void Clip();
00119 
00121 
00124         void ClipUpData();
00125 
00126     protected:
00127         mutable PictureParams m_pparams;
00128         PicArray* m_pic_data[3];//the picture data 
00129         mutable PicArray* m_up_pic_data[3];//upconverted data. Mutable because we
00130                                          //create them on the fly even in const
00131                                          //functions.
00132 
00133         CoeffArray m_wlt_data[3];// the wavelet coefficient data
00134 
00136         virtual void Init();
00137 
00139         virtual void ClearData();
00140 
00142         void ClipComponent(PicArray& pic_data, CompSort cs) const;
00143 
00144     };
00145 
00146 } // namespace dirac
00147 
00148 
00149 #endif

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