# 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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