# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

prefilter.h
Go to the documentation of this file.
1 /* ***** BEGIN LICENSE BLOCK *****
2 *
3 * $Id: prefilter.h,v 1.1 2008/04/29 14:09:35 tjdwave 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) 2008.
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
29 * allow use of your version of this file only under the terms of the either
30 * the GPL or LGPL and not to allow others to use your version of this file
31 * under the MPL, indicate your decision by deleting the provisions above
32 * and replace them with the notice and other provisions required by the GPL
33 * or LGPL. If you do not delete the provisions above, a recipient may use
34 * your version of this file under the terms of any one of the MPL, the GPL
35 * or the LGPL.
36 * ***** END LICENSE BLOCK ***** */
37
38
39 #ifndef _PREFILTER_H_
40 #define _PREFILTER_H_
41
42
43 #include<libdirac_common/picture.h>
44
45 namespace dirac
46 {
47
48 /*************************************************************/
49
51 void CWMFilter( Picture& picture, const int strength );
52
53 void CWMFilterComponent( PicArray& pic_data, const int strength );
54
55 ValueType Median( const ValueType* val_list, const int length);
56
57
58 /*************************************************************/
59
61 void LPFilter( PicArray& pic_data, const float qf, const int strength );
62
64 void DiagFilter( PicArray& pic_data, const float qf , const int strength );
65
66 } // namespace dirac
67
68 #endif
dirac::CWMFilter
void CWMFilter(Picture &picture, const int strength)
Denoises an input frame.
dirac::CWMFilterComponent
void CWMFilterComponent(PicArray &pic_data, const int strength)
dirac::Median
int Median(const int val1, const int val2, const int val3)
Return the median of 3 integers.
dirac::LPFilter
void LPFilter(PicArray &pic_data, const float qf, const int strength)
Denoises a component.
picture.h
dirac::ValueType
short ValueType
Type of picture data (including motion compensated residuals)
Definition: common.h:70
dirac
Definition of class SequenceHeaderByteIO.
Definition: accessunit_byteio.h:51
dirac::DiagFilter
void DiagFilter(PicArray &pic_data, const float qf, const int strength)
Diagonally filters an input component.

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
HTML documentation generated by Dimitri van Heesch's excellent Doxygen tool.