# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

picture.h
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1 /* ***** BEGIN LICENSE BLOCK *****
2 *
3 * $Id: picture.h,v 1.4 2008/08/14 00:51:08 asuraparaju Exp $ $Name: Dirac_1_0_2 $
4 *
5 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 *
7 * The contents of this file are subject to the Mozilla Public License
8 * Version 1.1 (the "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 * http://www.mozilla.org/MPL/
11 *
12 * Software distributed under the License is distributed on an "AS IS" basis,
13 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
14 * the specific language governing rights and limitations under the License.
15 *
16 * The Original Code is BBC Research and Development code.
17 *
18 * The Initial Developer of the Original Code is the British Broadcasting
19 * Corporation.
20 * Portions created by the Initial Developer are Copyright (C) 2004.
21 * All Rights Reserved.
22 *
23 * Contributor(s): Thomas Davies (Original Author)
24 *
25 * Alternatively, the contents of this file may be used under the terms of
26 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
27 * Public License Version 2.1 (the "LGPL"), in which case the provisions of
28 * the GPL or the LGPL are applicable instead of those above. If you wish to
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36 * ***** END LICENSE BLOCK ***** */
37
38 #ifndef _PICTURE_H_
39 #define _PICTURE_H_
40
41 #include <libdirac_common/common.h>
42 #include <libdirac_common/wavelet_utils.h>
43
44 namespace dirac
45 {
47
51 class Picture
52 {
53
54 public:
55
57
60 Picture( const PictureParams& pp );
61
63 Picture(const Picture& cpy);
64
66 virtual ~Picture();
67
69 Picture& operator=( const Picture& rhs );
70
72
75 void Fill(ValueType val );
76
77 //gets and sets
79 PictureParams& GetPparams() const {return m_pparams;}
80
82 void SetPictureSort( const PictureSort ps ){m_pparams.SetPicSort( ps ); }
83
85 void SetPictureType( const PictureType ftype ){m_pparams.SetPictureType( ftype ); }
86
88 void SetReferenceType( const ReferenceType rtype ){m_pparams.SetReferenceType( rtype ); }
89
91 void ReconfigPicture( const PictureParams &pp );
92
94 PicArray& Data(CompSort cs){return *m_pic_data[(int) cs];}
95
97 const PicArray& Data(CompSort cs) const{return *m_pic_data[(int) cs];}
98
100 PicArray& UpData(CompSort cs);
101
103 const PicArray& UpData(CompSort cs) const;
104
106 const CoeffArray& WltData( CompSort c ) const { return m_wlt_data[(int) c]; }
107
109 CoeffArray& WltData( CompSort c ) { return m_wlt_data[(int) c]; }
110
112 void InitWltData( const int transform_depth );
113
115
118 void Clip();
119
121
124 void ClipUpData();
125
126 protected:
127 mutable PictureParams m_pparams;
128 PicArray* m_pic_data[3];//the picture data
129 mutable PicArray* m_up_pic_data[3];//upconverted data. Mutable because we
130 //create them on the fly even in const
131 //functions.
132
133 CoeffArray m_wlt_data[3];// the wavelet coefficient data
134
136 virtual void Init();
137
139 virtual void ClearData();
140
142 void ClipComponent(PicArray& pic_data, CompSort cs) const;
143
144 };
145
146 } // namespace dirac
147
148
149 #endif

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