Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: picture_decompress.h,v 1.2 2008/04/29 08:51:52 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 * Scott R Ladd, 00025 * Anuradha Suraparaju 00026 * Andrew Kennedy 00027 * 00028 * Alternatively, the contents of this file may be used under the terms of 00029 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser 00030 * Public License Version 2.1 (the "LGPL"), in which case the provisions of 00031 * the GPL or the LGPL are applicable instead of those above. If you wish to 00032 * allow use of your version of this file only under the terms of the either 00033 * the GPL or LGPL and not to allow others to use your version of this file 00034 * under the MPL, indicate your decision by deleting the provisions above 00035 * and replace them with the notice and other provisions required by the GPL 00036 * or LGPL. If you do not delete the provisions above, a recipient may use 00037 * your version of this file under the terms of any one of the MPL, the GPL 00038 * or the LGPL. 00039 * ***** END LICENSE BLOCK ***** */ 00040 00041 00042 00043 #ifndef _PICTURE_DECOMPRESS_H_ 00044 #define _PICTURE_DECOMPRESS_H_ 00045 00046 #include <libdirac_common/picture_buffer.h> 00047 #include <libdirac_common/common.h> 00048 #include <libdirac_byteio/picture_byteio.h> 00049 #include <libdirac_byteio/transform_byteio.h> 00050 00051 namespace dirac 00052 { 00053 class MvData; 00054 00056 00061 class PictureDecompressor{ 00062 public: 00064 00072 PictureDecompressor(DecoderParams& decp, ChromaFormat cf); 00073 00075 00078 ~PictureDecompressor(); 00079 00081 00089 bool Decompress(ParseUnitByteIO& parseunit_byteio, 00090 PictureBuffer& my_buffer); 00091 00093 const PictureParams& GetPicParams() const{ return m_pparams; } 00094 00095 private: 00097 00101 PictureDecompressor(const PictureDecompressor& cpy); 00102 00104 00108 PictureDecompressor& operator=(const PictureDecompressor& rhs); 00109 00111 void InitCoeffData( CoeffArray& coeff_data, const int xl, const int yl ); 00112 00114 void CleanReferencePictures( PictureBuffer& my_buffer ); 00115 00117 void CompDecompress(TransformByteIO *p_transform_byteio, 00118 PictureBuffer& my_buffer,int pnum, CompSort cs); 00119 00121 void DecompressMVData( std::auto_ptr<MvData>& mv_data, PictureByteIO& picture_byteio ); 00122 00123 00125 void SetMVBlocks(); 00126 00128 void PushPicture(PictureBuffer &my_buffer); 00129 00130 //Member variables 00131 00133 DecoderParams& m_decparams; 00134 00136 ChromaFormat m_cformat; 00137 00139 bool m_skipped; 00140 00142 bool m_use_global; 00143 00145 bool m_use_block_mv; 00146 00148 PredMode m_global_pred_mode; 00149 00151 PictureParams m_pparams; 00152 }; 00153 00154 } // namespace dirac 00155 00156 #endif
© 2004 British Broadcasting Corporation.
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