Dirac - A Video Codec

Created by the British Broadcasting Corporation.


frame_buffer.h

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00001 /* ***** BEGIN LICENSE BLOCK *****
00002 *
00003 * $Id: frame_buffer.h,v 1.11 2006/06/05 14:53:51 asuraparaju Exp $ $Name: Dirac_0_6_0 $
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,int xlen,int ylen, int c_xlen, int c_ylen, unsigned int vd);
00080 
00082 
00098         FrameBuffer(ChromaFormat cf,int numL1,int L1sep,int xlen,int ylen, int c_xlen, int c_ylen, unsigned int vd);
00099 
00101 
00105         FrameBuffer(const FrameBuffer& cpy);
00106 
00108 
00111         FrameBuffer& operator=(const FrameBuffer& rhs);
00112 
00114         ~FrameBuffer();
00115 
00117         Frame& GetFrame(unsigned int fnum);
00118 
00120         const Frame& GetFrame(unsigned int fnum) const;
00121 
00123         PicArray& GetComponent(unsigned int frame_num, CompSort c);
00124 
00126         const PicArray& GetComponent(unsigned int frame_num, CompSort c) const;    
00127 
00129         PicArray& GetUpComponent(unsigned int frame_num, CompSort c);
00130 
00132         const PicArray& GetUpComponent(unsigned int frame_num, CompSort c) const;
00133 
00135         size_t Size() const {return m_frame_data.size();}
00136 
00138 
00145         void PushFrame(unsigned int frame_num);    
00146 
00148 
00153         void PushFrame(const FrameParams& fp);
00154 
00156 
00159         void PushFrame( const Frame& frame );
00160 
00162 
00169         void PushFrame(StreamPicInput* picin,const FrameParams& fp);
00170 
00172 
00179         void PushFrame(StreamPicInput* picin,unsigned int fnum);
00180 
00182 
00189         void Clean(int show_fnum, int current_coded_fnum);
00190 
00192 
00196         void Clean(int fnum);
00197 
00199         const FrameParams& GetFParams() const{return m_fparams;}
00200 
00201     private:
00203         std::vector<Frame*> m_frame_data;
00204         
00206         std::vector<bool> m_frame_in_use;
00207 
00209         std::map<unsigned int,unsigned int> m_fnum_map;
00210 
00212         FrameParams m_fparams;
00213 
00215         unsigned int m_num_L1;
00216 
00218         unsigned int m_L1_sep;
00219 
00221         unsigned int m_gop_len;
00222 
00223 
00224 
00226         void SetFrameParams(unsigned int fnum);
00227 
00229 
00234         void Remove(unsigned int fnum);
00235 
00236 
00237     };
00238 
00239 } // namespace dirac
00240 
00241 #endif

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