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revision 341, Thu Jul 25 00:43:19 2002 UTC revision 430, Fri Sep 6 16:59:47 2002 UTC
# Line 1  Line 1 
1  // 01.05.2002   updated MBMotionCompensationBVOP  /*****************************************************************************
2  // 14.04.2002   bframe compensation   *
3     *  XVID MPEG-4 VIDEO CODEC
4     *  - Motion Compensation module -
5     *
6     *  Copyright(C) 2002 Michael Militzer <michael@xvid.org>
7     *  Copyright(C) 2002 Edouard Gomez <ed.gomez@wanadoo.fr>
8     *  Copyright(C) 2002 Christoph Lampert <gruel@web.de>
9     *
10     *  This program is an implementation of a part of one or more MPEG-4
11     *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending
12     *  to use this software module in hardware or software products are
13     *  advised that its use may infringe existing patents or copyrights, and
14     *  any such use would be at such party's own risk.  The original
15     *  developer of this software module and his/her company, and subsequent
16     *  editors and their companies, will have no liability for use of this
17     *  software or modifications or derivatives thereof.
18     *
19     *  This program is free software; you can redistribute it and/or modify
20     *  it under the terms of the GNU General Public License as published by
21     *  the Free Software Foundation; either version 2 of the License, or
22     *  (at your option) any later version.
23     *
24     *  This program is distributed in the hope that it will be useful,
25     *  but WITHOUT ANY WARRANTY; without even the implied warranty of
26     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
27     *  GNU General Public License for more details.
28     *
29     *  You should have received a copy of the GNU General Public License
30     *  along with this program; if not, write to the Free Software
31     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
32     *
33     *************************************************************************/
34    
35  #include "../encoder.h"  #include "../encoder.h"
36  #include "../utils/mbfunctions.h"  #include "../utils/mbfunctions.h"
# Line 99  Line 130 
130                  dy = (dy & 3) ? (dy >> 1) | 1 : dy / 2;                  dy = (dy & 3) ? (dy >> 1) | 1 : dy / 2;
131    
132                  /* uv-image-based compensation */                  /* uv-image-based compensation */
133    /* Always do block-based compensation, until check for HALFPEL is possible
134  #ifdef BFRAMES  #ifdef BFRAMES
135                  compensate8x8_halfpel(&dct_codes[4 * 64], cur->u, ref->u, refh->u,                  compensate8x8_halfpel(&dct_codes[4 * 64], cur->u, ref->u, refh->u,
136                                                            refv->u, refhv->u, 8 * i, 8 * j, dx, dy,                                                            refv->u, refhv->u, 8 * i, 8 * j, dx, dy,
# Line 107  Line 139 
139                                                            refv->v, refhv->v, 8 * i, 8 * j, dx, dy,                                                            refv->v, refhv->v, 8 * i, 8 * j, dx, dy,
140                                                            edged_width / 2);                                                            edged_width / 2);
141  #else  #else
142    */
143                  /* uv-block-based compensation */                  /* uv-block-based compensation */
144                  interpolate8x8_switch(refv->u, ref->u, 8 * i, 8 * j, dx, dy,                  interpolate8x8_switch(refv->u, ref->u, 8 * i, 8 * j, dx, dy,
145                                                            edged_width / 2, rounding);                                                            edged_width / 2, rounding);
# Line 121  Line 154 
154                                                    cur->v + 8 * j * edged_width / 2 + 8 * i,                                                    cur->v + 8 * j * edged_width / 2 + 8 * i,
155                                                    refv->v + 8 * j * edged_width / 2 + 8 * i,                                                    refv->v + 8 * j * edged_width / 2 + 8 * i,
156                                                    edged_width / 2);                                                    edged_width / 2);
157    /*
158  #endif  #endif
159    */
160          } else                                          // mode == MODE_INTER4V          } else                                          // mode == MODE_INTER4V
161          {          {
162                  int32_t sum, dx, dy;                  int32_t sum, dx, dy;
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