Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: picture_buffer.h,v 1.4 2008/06/19 10:07:03 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) 2004. 00021 * All Rights Reserved. 00022 * 00023 * Contributor(s): Thomas Davies (Original Author), 00024 * Anuradha Suraparaju 00025 * 00026 * Alternatively, the contents of this file may be used under the terms of 00027 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser 00028 * Public License Version 2.1 (the "LGPL"), in which case the provisions of 00029 * the GPL or the LGPL are applicable instead of those above. If you wish to 00030 * allow use of your version of this file only under the terms of the either 00031 * the GPL or LGPL and not to allow others to use your version of this file 00032 * under the MPL, indicate your decision by deleting the provisions above 00033 * and replace them with the notice and other provisions required by the GPL 00034 * or LGPL. If you do not delete the provisions above, a recipient may use 00035 * your version of this file under the terms of any one of the MPL, the GPL 00036 * or the LGPL. 00037 * ***** END LICENSE BLOCK ***** */ 00038 00039 #ifndef _PICTURE_BUFFER_H_ 00040 #define _PICTURE_BUFFER_H_ 00041 00042 #include <vector> 00043 #include <map> 00044 #include <libdirac_common/picture.h> 00045 #include <libdirac_common/common.h> 00046 00047 namespace dirac 00048 { 00050 00059 class PictureBuffer{ 00060 public: 00062 PictureBuffer(); 00063 00065 00078 PictureBuffer(ChromaFormat cf, 00079 const int xlen, 00080 const int ylen, 00081 const unsigned int luma_depth, 00082 const unsigned int chroma_depth, 00083 bool using_ac); 00084 00086 00103 PictureBuffer(ChromaFormat cf, 00104 const int numL1, 00105 const int L1sep, 00106 const int xlen, 00107 const int ylen, 00108 const unsigned int luma_depth, 00109 const unsigned int chroma_depth, 00110 bool interlace, 00111 bool using_ac); 00112 00114 00118 PictureBuffer(const PictureBuffer& cpy); 00119 00121 00124 PictureBuffer& operator=(const PictureBuffer& rhs); 00125 00127 ~PictureBuffer(); 00128 00130 Picture& GetPicture(const unsigned int pnum ); 00131 00133 const Picture& GetPicture(const unsigned int pnum) const; 00134 00136 Picture& GetPicture(const unsigned int pnum, bool& is_present); 00137 00139 const Picture& GetPicture(const unsigned int pnum, bool& is_present) const; 00140 00142 bool IsPictureAvail(const unsigned int pnum) const; 00143 00145 std::vector<int> Members() const; 00146 00148 00153 void PushPicture(const PictureParams& pp); 00154 00156 00159 void CopyPicture( const Picture& picture ); 00160 00162 00169 void SetRetiredPictureNum(const int show_pnum, const int current_coded_pnum); 00170 00172 00176 void Remove(int pnum); 00177 00178 private: 00180 00183 void ClearSlot(const unsigned int pos); 00184 00185 // //! the count of the number of reference pictures in the buffer 00186 // int m_ref_count; 00187 00189 std::vector<Picture*> m_pic_data; 00190 00192 std::map<unsigned int,unsigned int> m_pnum_map; 00193 00194 }; 00195 00196 } // namespace dirac 00197 00198 #endif
© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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