Dirac - A Video Codec

Created by the British Broadcasting Corporation.


prefilter.h

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00001 /* ***** BEGIN LICENSE BLOCK *****
00002 *
00003 * $Id: prefilter.h,v 1.1 2008/04/29 14:09:35 tjdwave 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 
00039 #ifndef _PREFILTER_H_
00040 #define _PREFILTER_H_
00041 
00042 
00043 #include<libdirac_common/picture.h>
00044 
00045 namespace dirac
00046 {
00047 
00048 /*************************************************************/
00049 
00051 void CWMFilter( Picture& picture,  const int strength );
00052 
00053 void CWMFilterComponent( PicArray& pic_data, const int strength );
00054 
00055 ValueType Median( const ValueType* val_list, const int length);
00056 
00057 
00058 /*************************************************************/
00059 
00061 void LPFilter( PicArray& pic_data, const float qf, const int strength );
00062 
00064 void DiagFilter( PicArray& pic_data, const float qf , const int strength );
00065 
00066 } // namespace dirac
00067 
00068 #endif

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