Dirac - A Video Codec

Created by the British Broadcasting Corporation.


mot_comp_mmx.h

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00001 /* ***** BEGIN LICENSE BLOCK *****
00002 *
00003 * $Id: mot_comp_mmx.h,v 1.4 2008/01/09 10:50:23 asuraparaju 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): Anuradha Suraparaju (Original Author),
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
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00037 
00038 //  Motion Compensation routines.
00039 //  Supports different sizes of blocks as long as the parameters
00040 //     describing them are 'legal'. Blocks overlap the edge of the image
00041 //     being written to but blocks in the reference image are forced to
00042 //     lie completely within the image bounds.
00043 
00044 #ifndef _INCLUDED_MOT_COMP_MMX_H
00045 #define _INCLUDED_MOT_COMP_MMX_H
00046 
00047 #if defined (HAVE_MMX)
00048 #include <libdirac_common/common.h>
00049 #include <libdirac_common/motion.h>
00050 namespace dirac
00051 {
00052 
00053     void CompensateComponentAddAndShift_mmx (int start_y, int end_y,
00054                                            int weight_bits,
00055                                            const ImageCoords& orig_pic_size, 
00056                                            TwoDArray<ValueType> &comp_data, 
00057                                            PicArray &pic_data_out);
00058     
00059     void AddMCBlock_mmx (const ImageCoords& start_pos, TwoDArray<ValueType> &comp_strip, TwoDArray<ValueType>& block_data);
00060 }
00061 
00062 #endif // HAVE_MMX
00063 
00064 #endif

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