comp_compress.h
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- /* ***** BEGIN LICENSE BLOCK *****
- *
- * $Id: comp_compress.h,v 1.2 2005/01/30 05:11:41 gabest Exp $ $Name: $
- *
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.1 (the "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
- * the specific language governing rights and limitations under the License.
- *
- * The Original Code is BBC Research and Development code.
- *
- * The Initial Developer of the Original Code is the British Broadcasting
- * Corporation.
- * Portions created by the Initial Developer are Copyright (C) 2004.
- * All Rights Reserved.
- *
- * Contributor(s): Thomas Davies (Original Author), Scott R Ladd
- *
- * Alternatively, the contents of this file may be used under the terms of
- * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
- * Public License Version 2.1 (the "LGPL"), in which case the provisions of
- * the GPL or the LGPL are applicable instead of those above. If you wish to
- * allow use of your version of this file only under the terms of the either
- * the GPL or LGPL and not to allow others to use your version of this file
- * under the MPL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by the GPL
- * or LGPL. If you do not delete the provisions above, a recipient may use
- * your version of this file under the terms of any one of the MPL, the GPL
- * or the LGPL.
- * ***** END LICENSE BLOCK ***** */
- #ifndef _COMP_COMPRESS_H_
- #define _COMP_COMPRESS_H_
- #include "libdirac_common/arrays.h"
- #include "libdirac_common/wavelet_utils.h"
- #include "libdirac_common/common.h"
- namespace dirac
- {
- //! Compress a frame component
- /*!
- This class compresses one of the three components (Y, U, or V) of a
- frame according to a given set or parameters. CompCompressor is used
- by FrameCompressor.
- */
- class CompCompressor
- {
- public:
- //! Constructor
- /*!
- Create and initialize a component compressor with the given
- characteristics.
- param encp encoding parameters
- param fp frame parameters
- */
- CompCompressor( EncoderParams & encp, const FrameParams& fp);
- //! Compress a frame component
- /*!
- Compress a PicArray containing a frame component (Y, U, or V).
- param pic_data the component data to be compressed
- */
- void Compress(PicArray & pic_data);
- private:
- //! Copy constructor is private and body-less. This class should not be copied.
- CompCompressor(const CompCompressor& cpy);
- //! Assignment = is private and body-less. This class should not be assigned.
- CompCompressor& operator=(const CompCompressor& rhs);
- void GenQuantList();
- void SelectQuantisers( PicArray& pic_data , SubbandList& bands ,
- OneDArray<unsigned int>& est_counts );
- int SelectQuant(PicArray& pic_data,SubbandList& bands,int band_num);
- ValueType PicAbsMax(const PicArray& pic_data,int xp, int yp ,int xl ,int yl) const;
- ValueType PicAbsMax(const PicArray& pic_data) const;
- void SetToVal(PicArray& pic_data,const Subband& node,ValueType val);
- void AddSubAverage(PicArray& pic_data,int xl,int yl,AddOrSub dirn);
- //member variables
- EncoderParams& m_encparams;
- const FrameParams& m_fparams;
- const FrameSort& m_fsort;
- const ChromaFormat& m_cformat;
- CompSort m_csort;
- OneDArray<int> m_qflist;
- OneDArray<int> m_qfinvlist;
- OneDArray<int> m_offset;
- float m_lambda;
- };
- } // namespace dirac
- #endif