libdirac_encoder/prefilter.h

   1 /* ***** BEGIN LICENSE BLOCK *****
   2 *
   3 * $Id$ $Name$
   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
  50 //! Denoises an input frame
  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
  60 //! Denoises a component
  61 void LPFilter( PicArray& pic_data, const float qf, const int strength );
  62
  63 //! Diagonally filters an input component
  64 void DiagFilter( PicArray& pic_data, const float qf , const int strength );
  65
  66 } // namespace dirac
  67
  68 #endif