Dirac - A Video Codec

Created by the British Broadcasting Corporation.


comp_decompress.h

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00001 /* ***** BEGIN LICENSE BLOCK *****
00002 *
00003 * $Id: comp_decompress.h,v 1.7 2005/02/02 14:50:25 tjdwave Exp $ $Name: Dirac_0_5_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), Scott R Ladd
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
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00034 * your version of this file under the terms of any one of the MPL, the GPL
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00036 * ***** END LICENSE BLOCK ***** */
00037 
00038 
00039 
00040 #ifndef _COMP_DECOMPRESS_H_
00041 #define _COMP_DECOMPRESS_H_
00042 
00043 #include <libdirac_common/arrays.h>
00044 #include <libdirac_common/wavelet_utils.h>
00045 #include <libdirac_common/common.h>
00046 
00047 namespace dirac
00048 {
00050 
00055     class CompDecompressor
00056     {
00057     public:
00059 
00065         CompDecompressor( DecoderParams& decp, const FrameParams& fp);
00066 
00068 
00073         void Decompress(PicArray& pic_data);
00074 
00075     private:
00077 
00082         CompDecompressor(const CompDecompressor& cpy);
00083 
00085 
00090         CompDecompressor& operator=(const CompDecompressor& rhs);
00091 
00093 
00100         void SetToVal(PicArray& pic_data,const Subband& node,ValueType val);
00101 
00103 
00109         int ReadBandHeader( BitInputManager& bits_in ,
00110                             Subband& band );
00111 
00113 
00118         void SetupCodeBlocks( SubbandList& bands , const FrameSort fsort );
00119 
00121         DecoderParams& m_decparams;
00122 
00124         const FrameParams& m_fparams;
00125 
00126     };
00127 
00128 } // namespace dirac
00129 
00130 #endif

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