00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: golomb.h,v 1.2 2005/01/30 05:11:40 gabest Exp $ $Name: $ 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): 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 _GOLOMB_H_ 00040 #define _GOLOMB_H_ 00041 00042 #include <libdirac_common/bit_manager.h> 00043 00044 namespace dirac 00045 { 00046 //exp-golomb coding and decoding 00047 00049 void UnsignedGolombCode(BasicOutputManager& bitman, const unsigned int val); 00050 00052 void UnsignedGolombCode(std::vector<bool>& bitvec, const unsigned int val); 00053 00055 void GolombCode(BasicOutputManager& bitman, const int val); 00056 00058 void GolombCode(std::vector<bool>& bitvec, const int val); 00059 00061 unsigned int UnsignedGolombDecode(BitInputManager& bitman);//returning the value decoded 00062 00064 unsigned int UnsignedGolombDecode(const std::vector<bool>& bitvec);//returning the value decoded 00065 00067 int GolombDecode(BitInputManager& bitman);//returning the value decoded 00068 00070 int GolombDecode(const std::vector<bool>& bitvec);//returning the value decoded 00071 00072 } // namespace dirac 00073 00074 #endif