Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: frame_buffer.h,v 1.13 2006/12/05 14:36:57 tjdwave 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): 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 _FRAME_BUFFER_H_ 00040 #define _FRAME_BUFFER_H_ 00041 00042 #include <vector> 00043 #include <map> 00044 #include <libdirac_common/frame.h> 00045 #include <libdirac_common/common.h> 00046 #include <libdirac_common/pic_io.h> 00047 00048 namespace dirac 00049 { 00051 00060 class FrameBuffer{ 00061 public: 00063 FrameBuffer(); 00064 00066 00079 FrameBuffer(ChromaFormat cf, 00080 const int xlen, 00081 const int ylen, 00082 const int c_xlen, 00083 const int c_ylen, 00084 const unsigned int vd); 00085 00087 00103 FrameBuffer(ChromaFormat cf, 00104 const int numL1, 00105 const int L1sep, 00106 const int xlen, 00107 const int ylen, 00108 const int c_xlen, 00109 const int c_ylen, 00110 const unsigned int vd); 00111 00113 00117 FrameBuffer(const FrameBuffer& cpy); 00118 00120 00123 FrameBuffer& operator=(const FrameBuffer& rhs); 00124 00126 ~FrameBuffer(); 00127 00129 Frame& GetFrame(const unsigned int fnum ); 00130 00132 const Frame& GetFrame(const unsigned int fnum) const; 00133 00135 Frame& GetFrame(const unsigned int fnum, bool& is_present); 00136 00138 const Frame& GetFrame(const unsigned int fnum, bool& is_present) const; 00139 00141 PicArray& GetComponent(const unsigned int frame_num, CompSort c); 00142 00144 const PicArray& GetComponent(const unsigned int frame_num, CompSort c) const; 00145 00147 PicArray& GetUpComponent(const unsigned int frame_num, CompSort c); 00148 00150 const PicArray& GetUpComponent(const unsigned int frame_num, CompSort c) const; 00151 00153 std::vector<int> Members() const; 00154 00156 00163 void PushFrame(const unsigned int frame_num); 00164 00166 00171 void PushFrame(const FrameParams& fp); 00172 00174 00177 void PushFrame( const Frame& frame ); 00178 00180 00187 void PushFrame(StreamPicInput* picin,const FrameParams& fp); 00188 00190 00197 void PushFrame(StreamPicInput* picin,const unsigned int fnum); 00198 00200 00207 void SetRetiredList(const int show_fnum, const int current_coded_fnum); 00208 00210 00217 void Clean(const int show_fnum, const int current_coded_fnum); 00218 00220 00224 void Clean(int fnum); 00225 00227 const FrameParams& GetFParams() const{return m_fparams;} 00228 00229 private: 00231 void SetFrameParams(const unsigned int fnum); 00232 00234 00239 void Remove(const unsigned int fnum); 00240 00241 private: 00242 00244 int m_ref_count; 00245 00247 std::vector<Frame*> m_frame_data; 00248 00250 std::vector<bool> m_frame_in_use; 00251 00253 std::map<unsigned int,unsigned int> m_fnum_map; 00254 00256 FrameParams m_fparams; 00257 00259 unsigned int m_num_L1; 00260 00262 unsigned int m_L1_sep; 00263 00265 unsigned int m_gop_len; 00266 00267 00268 00269 00270 00271 }; 00272 00273 } // namespace dirac 00274 00275 #endif
© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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