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/************************************************************************** |
/***************************************************************************** |
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* |
* |
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* XVID MPEG-4 VIDEO CODEC |
* XVID MPEG-4 VIDEO CODEC |
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* - Motion sad header - |
* - Motion Estimation header - |
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* |
* |
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* This program is free software; you can redistribute it and/or modify |
* Copyright(C) 2002 Christoph Lampert <gruel@web.de> |
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* it under the terms of the GNU General Public License as published by |
* |
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* This file is part of XviD, a free MPEG-4 video encoder/decoder |
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* |
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* XviD is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
* (at your option) any later version. |
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* |
* |
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* along with this program; if not, write to the Free Software |
* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
* |
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* Under section 8 of the GNU General Public License, the copyright |
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* holders of XVID explicitly forbid distribution in the following |
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* countries: |
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* |
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* - Japan |
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* - United States of America |
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* |
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* Linking XviD statically or dynamically with other modules is making a |
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* combined work based on XviD. Thus, the terms and conditions of the |
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* GNU General Public License cover the whole combination. |
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* |
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* As a special exception, the copyright holders of XviD give you |
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* permission to link XviD with independent modules that communicate with |
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* XviD solely through the VFW1.1 and DShow interfaces, regardless of the |
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* license terms of these independent modules, and to copy and distribute |
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* the resulting combined work under terms of your choice, provided that |
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* every copy of the combined work is accompanied by a complete copy of |
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* the source code of XviD (the version of XviD used to produce the |
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* combined work), being distributed under the terms of the GNU General |
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* Public License plus this exception. An independent module is a module |
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* which is not derived from or based on XviD. |
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* |
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* Note that people who make modified versions of XviD are not obligated |
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* to grant this special exception for their modified versions; it is |
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* their choice whether to do so. The GNU General Public License gives |
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* permission to release a modified version without this exception; this |
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* exception also makes it possible to release a modified version which |
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* carries forward this exception. |
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* |
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* $Id$ |
* $Id$ |
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* |
* |
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***************************************************************************/ |
***************************************************************************/ |
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#include "../portab.h" |
#include "../portab.h" |
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#include "../global.h" |
#include "../global.h" |
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/* hard coded motion search parameters for motion_est and smp_motion_est */ |
/* hard coded motion search parameters for motion_est */ |
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// very large value |
/* very large value */ |
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#define MV_MAX_ERROR (4096 * 256) |
#define MV_MAX_ERROR (4096 * 256) |
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// stop search if sdelta < THRESHOLD |
/* stop search if sdelta < THRESHOLD */ |
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#define MV16_THRESHOLD 192 |
#define MV16_THRESHOLD 192 |
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#define MV8_THRESHOLD 56 |
#define MV8_THRESHOLD 56 |
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#define NEIGH_MOVE_THRESH 0 |
#define NEIGH_MOVE_THRESH 0 |
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// how much a block's MV must differ from his neighbour |
/* how much a block's MV must differ from his neighbour */ |
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// to be search for INTER4V. The more, the faster... |
/* to be search for INTER4V. The more, the faster... */ |
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/* sad16(0,0) bias; mpeg4 spec suggests nb/2+1 */ |
/* sad16(0,0) bias; mpeg4 spec suggests nb/2+1 */ |
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/* nb = vop pixels * 2^(bpp-8) */ |
/* nb = vop pixels * 2^(bpp-8) */ |
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#define NEIGH_TEND_16X16 2 |
#define NEIGH_TEND_16X16 2 |
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#define NEIGH_TEND_8X8 2 |
#define NEIGH_TEND_8X8 2 |
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// fast ((A)/2)*2 |
/* fast ((A)/2)*2 */ |
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#define EVEN(A) (((A)<0?(A)+1:(A)) & ~1) |
#define EVEN(A) (((A)<0?(A)+1:(A)) & ~1) |
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#define MVzero(A) ( ((A).x)==(0) && ((A).y)==(0) ) |
#define MVzero(A) ( ((A).x)==(0) && ((A).y)==(0) ) |
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#ifndef SEARCH16 |
#ifndef SEARCH16 |
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#define SEARCH16 PMVfastSearch16 |
#define SEARCH16 PMVfastSearch16 |
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//#define SEARCH16 FullSearch16 |
/*#define SEARCH16 FullSearch16 */ |
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//#define SEARCH16 EPZSSearch16 |
/*#define SEARCH16 EPZSSearch16 */ |
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#endif |
#endif |
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#ifndef SEARCH8 |
#ifndef SEARCH8 |
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#define SEARCH8 PMVfastSearch8 |
#define SEARCH8 PMVfastSearch8 |
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//#define SEARCH8 EPZSSearch8 |
/*#define SEARCH8 EPZSSearch8 */ |
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#endif |
#endif |
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const IMAGE * const pRefHV, |
const IMAGE * const pRefHV, |
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const uint32_t iLimit); |
const uint32_t iLimit); |
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#ifdef _SMP |
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bool |
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SMP_MotionEstimation(MBParam * const pParam, |
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FRAMEINFO * const current, |
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FRAMEINFO * const reference, |
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const IMAGE * const pRefH, |
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const IMAGE * const pRefV, |
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const IMAGE * const pRefHV, |
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const uint32_t iLimit); |
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#endif |
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void MotionEstimationBVOP(MBParam * const pParam, |
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FRAMEINFO * const frame, |
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// forward (past) reference |
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const int32_t time_bp, |
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const int32_t time_pp, |
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const MACROBLOCK * const f_mbs, |
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const IMAGE * const f_ref, |
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const IMAGE * const f_refH, |
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const IMAGE * const f_refV, |
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const IMAGE * const f_refHV, |
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// backward (future) reference |
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const MACROBLOCK * const b_mbs, |
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const IMAGE * const b_ref, |
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const IMAGE * const b_refH, |
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const IMAGE * const b_refV, |
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const IMAGE * const b_refHV); |
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void MBMotionCompensationBVOP(MBParam * pParam, |
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MACROBLOCK * const mb, |
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const uint32_t i, |
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const uint32_t j, |
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IMAGE * const cur, |
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const IMAGE * const f_ref, |
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const IMAGE * const f_refh, |
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const IMAGE * const f_refv, |
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const IMAGE * const f_refhv, |
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const IMAGE * const b_ref, |
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const IMAGE * const b_refh, |
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const IMAGE * const b_refv, |
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const IMAGE * const b_refhv, |
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int16_t * dct_codes); |
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typedef int32_t(Halfpel8_RefineFunc) (const uint8_t * const pRef, |
typedef int32_t(Halfpel8_RefineFunc) (const uint8_t * const pRef, |
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const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
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const uint8_t * const pRefV, |
const uint8_t * const pRefV, |