diff options
Diffstat (limited to 'converter/ppm/ppmtompeg/headers/motion_search.h')
| -rw-r--r-- | converter/ppm/ppmtompeg/headers/motion_search.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/converter/ppm/ppmtompeg/headers/motion_search.h b/converter/ppm/ppmtompeg/headers/motion_search.h new file mode 100644 index 00000000..ab83cbca --- /dev/null +++ b/converter/ppm/ppmtompeg/headers/motion_search.h @@ -0,0 +1,154 @@ +/*===========================================================================* + * search.h * + * * + * stuff dealing with the motion search * + * * + *===========================================================================*/ + +/*==============* + * HEADER FILES * + *==============*/ + +#include "ansi.h" + + +/*===========* + * CONSTANTS * + *===========*/ + +#define PSEARCH_SUBSAMPLE 0 +#define PSEARCH_EXHAUSTIVE 1 +#define PSEARCH_LOGARITHMIC 2 +#define PSEARCH_TWOLEVEL 3 + +#define BSEARCH_EXHAUSTIVE 0 +#define BSEARCH_CROSS2 1 +#define BSEARCH_SIMPLE 2 + + +/*========* + * MACROS * + *========*/ + +#define COMPUTE_MOTION_BOUNDARY(by,bx,stepSize,leftMY,leftMX,rightMY,rightMX)\ +leftMY = -2*DCTSIZE*by; /* these are valid motion vectors */ \ +leftMX = -2*DCTSIZE*bx; \ +/* these are invalid motion vectors */ \ +rightMY = 2*(Fsize_y - (by+2)*DCTSIZE + 1) - 1; \ +rightMX = 2*(Fsize_x - (bx+2)*DCTSIZE + 1) - 1; \ +\ +if ( stepSize == 2 ) { \ + rightMY++; \ + rightMX++; \ + } + +#define VALID_MOTION(m) \ +(((m).y >= leftMY) && ((m).y < rightMY) && \ + ((m).x >= leftMX) && ((m).x < rightMX) ) + + +/*===============================* + * EXTERNAL PROCEDURE prototypes * + *===============================*/ + +void +SetPSearchAlg(const char * const alg); +void +SetBSearchAlg(const char * const alg); +const char * +BSearchName(void); +const char * +PSearchName(void); + +int +PLogarithmicSearch(const LumBlock * const currentBlockP, + MpegFrame * const prev, + int const by, + int const bx, + vector * const motionP, + int const searchRange); + +int +PSubSampleSearch(const LumBlock * const currentBlockP, + MpegFrame * const prev, + int const by, + int const bx, + vector * const motionP, + int const searchRange); + +int +PLocalSearch(const LumBlock * const currentBlockP, + MpegFrame * const prev, + int const by, + int const bx, + vector * const motionP, + int const bestSoFar, + int const searchRange); + +int +PTwoLevelSearch(const LumBlock * const currentBlockP, + MpegFrame * const prev, + int const by, + int const bx, + vector * const motionP, + int const bestSoFar, + int const searchRange); +void +PMotionSearch(const LumBlock * const currentBlockP, + MpegFrame * const prev, + int const by, + int const bx, + vector * const motionP); + +/*==================* + * GLOBAL VARIABLES * + *==================*/ + +extern int psearchAlg; + +/* + * Copyright (c) 1995 The Regents of the University of California. + * All rights reserved. + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose, without fee, and without written agreement is + * hereby granted, provided that the above copyright notice and the following + * two paragraphs appear in all copies of this software. + * + * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT + * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF + * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + */ + +/* + * $Header: /n/picasso/project/mpeg/mpeg_dist/mpeg_encode/headers/RCS/search.h,v 1.6 1995/08/15 23:43:36 smoot Exp $ + * $Log: search.h,v $ + * Revision 1.6 1995/08/15 23:43:36 smoot + * *** empty log message *** + * + * Revision 1.5 1995/01/19 23:55:20 eyhung + * Changed copyrights + * + * Revision 1.4 1994/12/07 00:42:01 smoot + * Added seperate P and B search ranges + * + * Revision 1.3 1994/11/12 02:12:58 keving + * nothing + * + * Revision 1.2 1993/07/22 22:24:23 keving + * nothing + * + * Revision 1.1 1993/07/09 00:17:23 keving + * nothing + * + */ + + + |